Ingredient For Color Compensation Or Correction Containing Patents (Class 430/504)
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Patent number: 5364747Abstract: The invention is accomplished by forming balanced cyan, magenta, and yellow coupler and emulsion mixes. There is at least one layer in which silver halide emulsion has been sensitized to blue light or silver halide emulsion sensitive to green light. Regardless of the color sensitivity of the silver halide layer that contains silver contains a mix of cyan, magenta, and yellow dye-forming couplers. Further, in order to have a black-and-white image that has a lightness such as observed by the human eye in a scene, it is preferred that the ratios of red sensitive emulsion to green sensitive emulsion to blue sensitive emulsion in the photographic element is about 2:3:1.Type: GrantFiled: November 25, 1992Date of Patent: November 15, 1994Assignee: Eastman Kodak CompanyInventors: James L. Edwards, Paul T. Hahm, Joseph E. LaBarca
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Patent number: 5364745Abstract: A photographic element including a support bearing a silver halide photographic emulsion, at least one color-forming coupler and a masking coupler, wherein said masking coupler is represented by the formula A:COUP--LINK--DYE (A)wherein COUP is a coupler moiety;LINK is any group releasable or cleavable from COUP by coupling with an oxidized developing agent during photographic processing; and DYE is an azoaniline dye and preferably an azoaniline dye blocked at the nitrogen-inclusive auxochromic site.Type: GrantFiled: December 19, 1991Date of Patent: November 15, 1994Assignee: Eastman Kodak CompanyInventors: Jared B. Mooberry, Stephen P. Singer, James J. Seifert, Robert J. Ross, Daniel L. Kapp
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Patent number: 5352569Abstract: A silver halide color photographic material comprising a support having thereon a cyan color-forming silver halide emulsion layer, a magenta color-forming silver halide emulsion layer, a yellow color-forming silver halide emulsion layer and at least one light-insensitive hydrophilic layer disposed farther from the support than any of these silver halide emulsion layers, in which the light-insensitive hydrophilic layer contains nonglobular fine-particle powder in a dispersion in an amount of at least 25% by weight based on the whole components therein, thereby ensuring excellent tone reproduction in the images and reduced dependence of image qualities upon the positions of viewing light sources. In addition, the color photographic material can provide images well-expressing a feeling of massiveness even in rapid photographic processing.Type: GrantFiled: August 23, 1993Date of Patent: October 4, 1994Assignee: Fuji Photo Film Co., Ltd.Inventor: Kiyohito Takada
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Patent number: 5342748Abstract: A color photographic light-sensitive material for printing use comprising a reflection type support bearing thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer; wherein a silver halide emulsion contained in said green-sensitive silver halide emulsion layer is a monodispersed silver halide emulsion and a coupler combined with said monodispersed silver halide emulsion is a magneta coupler represented by the following formula I ##STR1## wherein Z represents a group of non-metal atoms necessary for forming a nitrogen-containing heterocyclic ring, and the ring formed by the Z is allowed to have substituents; X represents a substituent capable of splitting off through the reaction thereof on the oxidation products of a color developing agent; and R represents hydrogen or a substituent.Type: GrantFiled: November 23, 1993Date of Patent: August 30, 1994Assignee: Konica CorporationInventors: Masanobu Miyoshi, Makoto Kajiwara, Makoto Onodera
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Patent number: 5328787Abstract: Sensitometric Quality Indicator Parameters (SQIP), including Color Radial Error (1), Average Density Error (2), Contrast Mismatch Error (3), HUE (4), and related Auxiliary Quality Parameters, are derived primarily from the deviations in aim values of the red, green, and blue density values over the standard range of exposure steps for a color photographic product. Normalized tolerance limit values common to SQIP 1-3 are established at one exposure reference level within the standard range of exposure steps. A composite graphical display of density deviations versus LOG H exposure, of SQIP 1-4 with associated tolerance limit values versus LOG H exposure, and of the Auxiliary Quality Parameters enables the rapid analysis and disposition of a batch of color photographic product with regard to sensitometric quality.Type: GrantFiled: May 24, 1993Date of Patent: July 12, 1994Assignee: Eastman Kodak CompanyInventors: James D. Clifford, Raymond J. Robbins
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Patent number: 5314792Abstract: A photographic element and process useful therewith comprises at least two light sensitive silver halide layers sensitized to green light and having differing degrees of light sensitivity, comprising in association with a higher sensitivity layer a yellow dye forming DIR coupler which releases a development inhibitor containing a weak inhibitor fragment, and further comprising in association with the lower sensitivity layer a cyan dye forming DIR coupler with a timing group containing a strong inhibitor fragment which releases a precursor of the development inhibitor fragment.Type: GrantFiled: January 29, 1993Date of Patent: May 24, 1994Assignee: Eastman Kodak CompanyInventor: James P. Merrill
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Patent number: 5314796Abstract: A silver halide color photographic light sensitive material excellent in both sharpness and whiteness of background while being capable of satisfactorily displaying the yellow coupler characteristics including an excellent color reproduction is provided, wherein the silver halide color photographic light sensitive material contains a compound represented by the following Formula [I] in at least one of the photographic component layers thereof, a compound represented by the following Formula [II] in at least one of the silver halide emulsion layers thereof, and a compound represented by the following Formula [III] in at least one of the photographic component layers; and ##STR1##Type: GrantFiled: March 26, 1993Date of Patent: May 24, 1994Assignee: Konica CorporationInventors: Kazuhiro Murai, Makoto Kajiwara, Hirokazu Sato, Shinri Tanaka, Mitsuhiro Okumura
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Patent number: 5306605Abstract: A photographic recording material comprising a carrier and at least one photosensitive silver halide emulsion layer, a non-photosensitive layer and optional conventional intermediate and protective layers, characterised in that the photographic recording material (1) contains at least one silver halide emulsion layer having a silver iodide content .gtoreq.3 mol % and an average grain diameter .ltoreq.0.4 .mu.m, and (2), at least in one layer, contains a compound having the formula I ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 denote hydrogen, an optionally substituted hydrocarbon radical, an optionally substituted alkylthio, alkyloxy or arylthio radical, an optionally substituted amino group, OH or halogen or R.sup.1 and R.sup.2 together denote the radical for completing a carbocyclic or heterocyclic ring,R.sub.4, R.sub.5 denote hydrogen, an optionally substituted alkyl or aryl radical, or an optionally substituted heterocyclic radical,R.sub.6, R.sub.Type: GrantFiled: April 5, 1993Date of Patent: April 26, 1994Assignee: AGFA-Gevaert AGInventors: Heinrich Odenwalder, Lothar Rosenhahn, Thomas Stetzer
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Patent number: 5302499Abstract: A color photographic recording material is disclosed which contains tabular silver halide emulsion grains of specified dimensions in at least two color records to enable improved speed and sharpness.Type: GrantFiled: April 16, 1992Date of Patent: April 12, 1994Assignee: Eastman Kodak CompanyInventors: James P. Merrill, Lois A. Buitano, Allan F. Sowinski, Richard P. Szajewski
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Patent number: 5298377Abstract: A photographic element is described havinga photographic support;a green sensitive silver halide emulsion layer on the photographic support and having a magenta dye-forming coupler, anda filter layer on the photographic support and associated with the green sensitive layer, wherein the magenta dye-forming coupler is a 2-equivalent magenta dye-forming coupler, and the filter layer includes a filter dye molecule having the formula:D.dbd.CH--M (I)wherein D is a group which, with the remainder of the molecule, forms a dye having an absorption maximum in the blue or green region of the visible spectrum, andM is a five-membered or six-membered unsaturated heterocyclic ring, which may be fused with another five-membered or six-membered ring system, and which is unsubstituted or substituted with a lower alkyl group having from 1 to 10 carbon atoms, or an electron withdrawing group.Type: GrantFiled: August 28, 1991Date of Patent: March 29, 1994Assignee: Eastman Kodak CompanyInventor: Arlyce T. Bowne
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Patent number: 5288611Abstract: A method and probes for specifically and sensitively detecting, identifying, and quantitating any organism category or group of organisms containing RNA in a sample is disclosed. The nucleic acids of the organisms present in the sample are brought together with a marked probe comprising nucleic acid molecules which are complementary only to nucleic acid containing sequences complementary to RNA sequences known to be conserved in an organism, category or group of organisms. The probe in sample nucleic acid mixture is incubated under nucleic acid hybridization conditions and then assayed to determine the degree of hybridization that has occurred. Hybridization indicates the presence and identity of the organism, category or group of organisms in the sample. The quantity of RNA present in the sample can be determined and compared to that normally present in the known organisms to determine the number of organisms present. Batteries of sequentially more specific probes can also be utilized.Type: GrantFiled: March 19, 1992Date of Patent: February 22, 1994Assignee: Gen-Probe IncorporatedInventor: David E. Kohne
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Patent number: 5286615Abstract: A silver halide color photographic material comprises a support, a blue sensitive layer, a green sensitive layer and a red sensitive layer and at least one non-light-sensitive layer. The non-light-sensitive layer is an intermediate layer arranged between the silver halide emulsion layers. According to the present invention, the non-light-sensitive intermediate layer contains a compound represented by the formula (1a) or (1b): ##STR1## in which R.sup.12 is an aliphatic group, an aromatic group or a heterocyclic group; M is --CO--, --SO.sub.2 --, --N(R.sup.15)CO--, --OCO-- or --N(R.sup.15)SO.sub.2 --; each of R.sup.14, R.sup.15 and R.sup.24 independently is hydrogen, an alkyl group or an aryl group; L is a divalent linking group necessary for forming a 5, 6 or 7-membered ring; each of R.sup.11, R.sup.13 and R.sup.Type: GrantFiled: October 15, 1991Date of Patent: February 15, 1994Assignee: Fuji Photo Film Co., Ltd.Inventors: Sadanobu Shuto, Akio Mitsui
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Patent number: 5284739Abstract: Photographic materials having incorporated sulphonyhdrazide color developing agents. Such photographic materials have at least two color-forming units, each of which has a silver halide emulsion layer and a photographic coupler. A ballasted heterocyclic sulphonhydrazide color developing agent is present in the material in droplets of a high boiling point solvent. A method of forming a photographic color image using such materials is also provided.Type: GrantFiled: November 10, 1992Date of Patent: February 8, 1994Assignee: Eastman Kodak CompanyInventors: David Clarke, John D. Goddard, Paul L. R. Stanley, Nigel E. Milner
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Patent number: 5283164Abstract: A color photographic silver halide negative working duplicating element comprising a support bearing, in order from the support, at least one red-sensitive photographic silver halide emulsion layer package comprising at least one cyan image-dye forming coupler that is capable upon exposure and processing of forming a cyan image dye that absorbs in the range of the original image; at least one green-sensitive photographic silver halide emulsion layer package comprising at least one magenta image-dye forming coupler that is capable, upon exposure and processing, of forming a magenta image dye that absorbs in the range of the original image; and at least one blue-sensitive photographic silver halide emulsion layer package comprising at least one yellow image-dye forming coupler that is capable upon exposure and processing of forming a yellow image dye that absorbs in the range of the original image.Type: GrantFiled: June 19, 1992Date of Patent: February 1, 1994Assignee: Eastman Kodak CompanyInventors: David E. Fenton, John F. Sawyer, Donald H. Hunger
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Patent number: 5275929Abstract: A photographic recording material is disclosed which contains tabular silver halide emulsion grains of specified dimensions to enable improved sharpness.Type: GrantFiled: April 16, 1992Date of Patent: January 4, 1994Assignee: Eastman Kodak CompanyInventors: Lois A. Buitano, Allan F. Sowinski, James P. Merrill, Richard P. Szajewski
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Patent number: 5273870Abstract: Reduced silver halide coverage combined with minimal color granularity and high inter-image effects are obtained with a color photographic negative recording material which, for at least one of the spectral regions blue, green, red, contains a laminate of several component layers containing silver halide and color couplers and consisting of at least one middle component layer B and upper and lower component layers A, A', A", A'", . . . , the middle component layer B having a sensitivity higher by at least 3 DIN than each of the component layers A, A', A", A'", . . . , and in which the component layer B contains a DIR compound which is capable of releasing an inhibitor having a diffusibility of not less than 0.4.Type: GrantFiled: December 13, 1991Date of Patent: December 28, 1993Assignee: Agfa-Gevaert AGInventors: Reinhart Matejec, Gunter Helling
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Patent number: 5273867Abstract: A silver halide color photographic light-sensitive material is disclosed. The light-sensitive material comprises a support having thereon a photographic layer includinga silver halide emulsion layer comprising silver halide grains and a binder and a specific pyrazolone type magenta coupler,a non-light-sensitive layer comprising a binder and a compound of Formula II being a liquid at 15.degree. C., and provided adjacently to the surface of said silver halide emulsion layer closer to sais support, anda layer provided at the outermost position of said photographic layer containing a compound represented by Formula II; ##STR1## wherein R.sub.11 and R.sub.12 are each a secondary or tertiary alkyl group and a number of carbon atoms Contained in the groups represented by R.sub.11 and R.sub.12 is 20 or more in total.Type: GrantFiled: June 15, 1992Date of Patent: December 28, 1993Assignee: Konica CorporationInventors: Masahiro Shibuya, Takashi Kadowaki
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Patent number: 5270152Abstract: A color photographic element which contains a color correction layer above at least one red sensitive layer of the element results in an element having excellent color reproduction.Type: GrantFiled: December 30, 1991Date of Patent: December 14, 1993Assignee: Eastman Kodak CompanyInventor: Jeffrey L. Hall
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Patent number: 5266451Abstract: A color photographic recording material with a reflective support which contains a spectrally sensitized silver halide emulsion containing at least one sensitizer for the spectral region B in a layer free from color coupler adjacent at least one dye-producing silver halide emulsion layer sensitized for the spectral region A, the sensitivity of the spectrally sensitized silver halide emulsion of the layer free from color coupler being lower by 0.6 to 2.5 log H units than the sensitivity of the sensitized silver halide emulsion of the dye-producing silver halide emulsion layer, is distinguished by an extended gradation range in the region of the maximum densities and, hence, by distinctly improved fine detail resolution at high densities.Type: GrantFiled: May 4, 1992Date of Patent: November 30, 1993Assignee: Agfa Gevaert AktiengesellschaftInventors: Arno Schmuck, Manfred Peters, Helmut Kampfer, Wolfgang Schmidt
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Patent number: 5262284Abstract: A photographic element including a support bearing a silver halide photographic emulsion and an image dye-forming coupler, wherein the image dye-forming coupler includes a ballasted arylidene pyrazolone which is also a filter dye that upon exposure and processing of the element is destroyed in both exposed and unexposed areas of said element or a masking coupler that upon exposure and processing is destroyed only in exposed areas of the element. The arylidene pyrazolone compound includes an oxygen-inclusive electron donating group in conjugation with the arylidene function, preferably positioned para to the arylidene function.Type: GrantFiled: July 15, 1991Date of Patent: November 16, 1993Assignee: Eastman Kodak CompanyInventors: Philip T. S. Lau, Danny R. Thompson, Stephen P. Singer
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Patent number: 5262287Abstract: A silver halide color reversal photographic material comprising a support having thereon at least one cyan coupler-containing red-sensitive silver halide emulsion layer, at least one magenta coupler-containing green-sensitive silver halide emulsion layer, and at least one yellow coupler-containing blue-sensitive silver halide emulsion layer, wherein the total light-sensitive silver halide grains in the photographic material have an average silver iodide content of 5.5 mol % or less, and said at least one of light-sensitive silver halide emulsion layers and a substantially light-insensitive hydrophilic colloidal layer adjacent thereto comprises means for producing an interimage effect, said interimage effect satisfying at least one of relationships (a) and (b):(a)0.20.ltoreq..DELTA.logE(R.sub.0.5).ltoreq.0.40,0.ltoreq..DELTA.logE(R.sub.1.5).ltoreq.0.07,and0.18.ltoreq..DELTA.logE(R.sub.0.5)-.DELTA.logE(R.sub.1.5).ltoreq.0.35(b)0.25.ltoreq..DELTA.logE(G.sub.0.5).ltoreq.0.45,0.ltoreq..DELTA.logE(G.sub.1.5).Type: GrantFiled: January 28, 1991Date of Patent: November 16, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Naoyasu Deguchi, Junichi Tamano
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Patent number: 5262286Abstract: The invention is generally accomplished by providing a reflection print material having thereon sensitized silver halide containing layers and at least one layer comprising at least one insoluble colored tint, wherein said at least one tint changes the color of said material to be less yellow. In a preferred form, it has been found that a combination of two tints is preferred to provide ready adjustment of the tinting to match the yellowing characteristics of the print material.Type: GrantFiled: July 31, 1992Date of Patent: November 16, 1993Assignee: Eastman Kodak CompanyInventors: John F. Bacilek, Gary J. McSweeney
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Patent number: 5256523Abstract: A compound (I) having a carrier moiety (CAR) and a releasable development inhibitor moiety (INH) capable of being released during photographic processing by means of at least one timing group (T) bonded to and releasable from the carrier moiety provides improved images in a photographic silver halide element and process when the inhibitor moiety (INH) comprises (R.sup.1) a non-aromatic, sterically hindered substituent group having (a) a tertiary carbon atom bonded directly to the releasable development inhibitor moiety or (b) a secondary carbon atom bonded directly to the releasable development inhibitor moiety and wherein the secondary carbon atom is not part of an unsubstituted carbocyclic ring containing at least 6 carbon atoms. Such compounds, particularly as couplers, are useful in photographic silver halide materials and processes to provide improved acutance and interimage effects.Type: GrantFiled: June 17, 1991Date of Patent: October 26, 1993Assignee: Eastman Kodak CompanyInventors: Richard P. Szajewski, Jerrold N. Poslusny
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Patent number: 5256528Abstract: A photographic element and process provide a magenta coupler of the formula: ##STR1## wherein (a) at least one of X1, X2 and R1 and at least one of R2 and R3 is a substituent individually selected from carbamoyl, alkoxycarbonyl, aryloxycarbonyl, sulfamoyl, alkylsulfonyl, arylsulfonyl, alkoxysulfonyl, aryloxysulfonyl, alkylsulfoxyl, arylsulfoxyl, acyloxy, cyano, nitro, and trifluoromethyl;(b) the substituents X1, X2, R1, R2 and R3 not selected from the (a) group may be selected from alkyl, alkoxy, aryloxy, acylamino, alkylthio, arylthio, sulfonamido, alkylureido, arylureido, alkoxycarbonylamino, aryloxycarbonylamino, and halogen and in the case of R3 hydrogen;(c) substituents R1 and R2 are para or meta to the carbon attached to the nitrogen atom;(d) a and b are 1 to 3;(e) Q is an alkylthio or arylthio coupling-off group.The element provides a deeper magenta hue and reduced blue absorption by the resulting magenta dye.Type: GrantFiled: April 23, 1992Date of Patent: October 26, 1993Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, Stephen P. Singer, Bernard Arthur Clark, Paul Louis R. Stanley
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Patent number: 5254446Abstract: A silver halide color negative photosensitive material comprises at least one red-sensitive silver halide emulsion layer containing a cyan coupler, at least one green-sensitive silver halide emulsion layer containing a magenta coupler and at least one blue-sensitive silver halide emulsion layer containing a yellow coupler formed on a transparent support, wherein it contains 4.times.10.sup.-4 to 3 g, per m.sup.2 of the support, of a ferromagnetic fine powder and that the green-sensitive emulsion layer contains a coupler such as ##STR1## The photosensitive material makes it possible to shorten a printing time and has an excellent sharpness.Type: GrantFiled: May 24, 1991Date of Patent: October 19, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinpei Ikenoue, Toshiyuki Watanabe, Seiji Ichijima
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Patent number: 5252444Abstract: Disclosed is a silver halide color photographic light-sensitive material having at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer on the support, wherein the maximum sensitivity wavelength .lambda..sub.B of the spectral sensitivity distribution in said blue-sensitive silver halide emulsion layer at 400 nm.ltoreq..lambda..sub.B .ltoreq.470 nm, the sensitivity of said blue-sensitive silver halide emulsion layer at 480 nm does not exceed 40% of the sensitivity at the maximum sensitivity wavelength .lambda..sub.B and the gradient of said blue-sensitive silver halide emulsion layer after blue light separation exposure .gamma..sub.SB and the gradient of said blue-sensitive silver halide emulsion layer after white light exposure .gamma..sub.WB bears the relationship of .gamma..sub.SB /.gamma..sub.WB .ltoreq.1.25.Type: GrantFiled: January 22, 1992Date of Patent: October 12, 1993Assignee: Konica CorporationInventors: Yoshitaka Yamada, Hiroshi Shimazaki, Satoru Shimba
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Patent number: 5238797Abstract: Disclosed is a silver halide color photographic light sensitive material comprising a support having thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer, wherein at least one of green-sensitive silver halide emulsion layers contains at least one of colored magenta couplers represented by Formula CM-1 and at least one of dyes having absorption maximum at 590 nm to 610 nm is contained in at least one of layers selected from the layers consisting of silver halide emulsion layers and photographic constitution layers; ##STR1## wherein R.sub.1 represents a substituent, R.sub.2 represents an acylamino group, a sulfonamide group, an imide group, a carbamoyl group, a sulfamoyl group, an alkoxyl group, an alkoxycarbonyl group, an alkoxycarbonylamino group, R.sub.3 represents a halogen atom, an alkoxy group, m is an integer of 0 to 5, n is an integer of 0 to 4.Type: GrantFiled: July 9, 1992Date of Patent: August 24, 1993Assignee: Konica CorporationInventors: Shigeto Hirabayashi, Shuichi Sugita, Katsumasa Yamazaki
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Patent number: 5238794Abstract: A silver halide color reversal light-sensitive material comprising on a transparent support having a red-sensitive silver halide emulsion layer containing a cyan coupler, a green-sensitive silver halide emulsion layer containing a magenta coupler, and a blue-sensitive silver halide emulsion layer containing a yellow coupler is disclosed, wherein the light-sensitive material has a magnetic recording layer containing from 4.times.10.sup.-3 to 3 g/m.sup.2 of a ferromagnetic powder, and the minimum density area of the light-sensitive material after development processing has a chromaticity having an a* value of from -5 to 5, a b* value of from -5 to 5, and an L* value of not less than 80 as calculated from tristimulus values in CIE 1964 X.sub.10 Y.sub.10 Z.sub.10 Colorimetric System under an illuminant C as specified in JIS Z8720 according to the method of JIS Z8729. The photographic material exhibits improved color reproducibility.Type: GrantFiled: July 15, 1991Date of Patent: August 24, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Takeshi Hirose, Koji Takahashi
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Patent number: 5213951Abstract: A silver halide photographic material having at least one silver halide light-sensitive emulsion layer on at least one side of a support, wherein said silver halide emulsion layer comprises tabular silver halide grains having a grain thickness of 0.3 .mu.m or less and accounting for at least 50% of the total projected area, wherein a blue pigment having a maximum absorption wave length of from 570 to 630 nm is present in said silver halide emulsion layer and/or in another hydrophilic layer of the photographic material.Type: GrantFiled: July 12, 1991Date of Patent: May 25, 1993Assignee: Minnesota Mining and Manufacturing CompanyInventor: Gerolamo Delfino
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Patent number: 5200308Abstract: The improved color photographic material has on a support at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer, each of those emulsion layers having a specified spectral response. This color photographic material has high chroma and insures faithful reproduction of color hues even under illumination with a fluorescent lamp.Type: GrantFiled: December 31, 1990Date of Patent: April 6, 1993Assignee: Konica CorporationInventors: Hirofumi Ohtani, Hiroshi Shimazaki, Yoshitaka Yamada
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Patent number: 5185237Abstract: A novel silver halide color photographic material is provided which comprises a support having coated thereon at least three silver halide emulsion layers having maximum spectral sensitivities in at least three sensitive wavelength ranges of 400 nm to 500 nm, 500 nm to 570 nm and 650 nm to 730 nm and is sensitive to said three sensitive wavelength ranges to form yellow, magenta and cyan dye images, respectively, characterized in that said silver halide color photographic material has additionally at least one function to provide a maximum spectral sensitivity in wavelength range other than said three sensitive wavelength ranges and to form any of yellow, magenta or cyan dye image by an exposure to the light of said other wavelength range. A color image formation method is also disclosed which comprises exposing said silver halide color photographic material to light in a print exposure process in combination with a scanning exposure process, and then developing said silver halide color photographic material.Type: GrantFiled: March 30, 1992Date of Patent: February 9, 1993Assignee: Fuji Photo Film Co., Ltd.Inventor: Kiyoshi Kawai
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Patent number: 5180657Abstract: A silver halide color photographic light-sensitive material which offers high chroma and excellent hue reproduction comprises a support having thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer, wherein the maximum sensitivity wavelength .lambda..sub.B of a spectral sensitivity distribution of said blue-sensitive silver halide emulsion layer is in the range of 410 nm.ltoreq..lambda..sub.B .ltoreq.470 nm; and the sensitivity of said blue-sensitive silver halide emulsion layer at 480 nm is not more than half of the sensitivity at said wavelength .lambda..sub.B. Preferably, the maximum sensitivity wavelength .lambda..sub.G of said green-sensitive layer is in the range of 530 nm.ltoreq..lambda..sub.G .ltoreq.560 nm and the sensitivity of said green-sensitive layer at the wavelength of 500 nm is not less than one-fourth of the sensitivity at SG.sub.max ; the maximum sensitivity wavelength .lambda..sub.Type: GrantFiled: December 18, 1990Date of Patent: January 19, 1993Assignee: Konica CorporationInventors: Fumie Fukazawa, Yasushi Irie, Hiroshi Shimazaki, Katuya Yabuuchi, Satoru Shimba
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Patent number: 5169746Abstract: A silver halide color photographic photo-sensitive material comprises a support, and a layer arrangement formed on the support. The layer arrangement includes a red-sensitive silver halide emulsion layer containing a color coupler capable of forming cyan dye upon reacting with an oxidation product of a developing agent, a green-sensitive silver halide emulsion layer containing a color coupler capable of forming magenta dye upon reacting with the oxidation product of the developing agent, and a blue-sensitive silver halide emulsion layer containing a color coupler capable of forming yellow dye upon reacting with the oxidation product of the developing agent. The red-sensitive layer has a sensitivity at 650 nm of 50% or less of its maximum sensitivity, and contains substantially no magenta-colored couplers.Type: GrantFiled: December 24, 1990Date of Patent: December 8, 1992Assignee: Fuji Photo Film Co., Ltd.Inventor: Noboru Sasaki
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Patent number: 5166042Abstract: Disclosed is a silver halide color photographic photosensitive materials comprising, on a support, at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer, and at least one blue-sensitive silver halide emulsion layer. The ISO speed of the photosensitive material is S. The difference (S.sub.G.sup.560 -S.sub.R.sup.560) is in the range of from -0.2 to 1.0. Here, S.sub.G.sup.560 and S.sub.R.sup.560 are, respectively, the speed of the green-sensitive silver halide emulsion layer and the speed of the red-sensitive silver halide emulsion layer with respect to monochromatic light of a wavelength of 560 nm, measured after subjecting the photosensitive material to a uniform exposure of 2/S lux.sec with white light.Type: GrantFiled: December 20, 1989Date of Patent: November 24, 1992Assignee: Fuji Photo Film Co., Ltd.Inventor: Yasushi Nozawa
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Patent number: 5156944Abstract: There is disclosed a light-sensitive silver halide photographic material, having two or more light-sensitive silver halide emulsion layers different in color sensitivities on a support, at least one of the light-sensitive silver halide emulsion layer comprises monodispersed silver halide grains containing 8 to 30 mole % of silver halide in core or contains twinned crystal silver halide grains, at least two of the light-sensitive silver halide emulsion layers different in color sensitivities containing a DIR compound capable of releasing a developing inhibitor or developing inhibitor precursor through the reaction with the oxidized product of a developing agent, the developing inhibitor or developing inhibitor precursor released from the DIR compound being diffusive, wherein the following conditions A:DIR compounds are added and incorporated in the emulsion layers so that the developing inhibitor released from the DIR compound incorporated in one color-sensitive silver halide emulsion layer and the developingType: GrantFiled: July 27, 1990Date of Patent: October 20, 1992Assignee: Konica CorporationInventors: Hiroshi Inoie, Minoru Ishikawa, Hiroshi Shimazaki, Katutoyo Suzuki, Fumio Hamada, Toshihiko Yagi
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Patent number: 5153107Abstract: A direct positive color photographic material having comprising a support at least one previously non-fogged internal latent image-type silver halide emulsion, in which at least one green-sensitive internal latent image-type silver halide emulsion layer contains a 2-equivalent yellow-coloring coupler and a magenta-coloring coupler of the following general formula (M-II) ##STR1## where R.sub.10 represents a hydrogen atom or a substituent;Y.sub.4 represents a hydrogen atom or a removing group;Za, Zb and Zc each represents a methine group, a substituted methine group, .dbd.N-- or --NH--;one of the Za--Zb bond and the Zb--Zc bond is a double bond and the other is a single bond; and when the Zb--Zc bond is a carbon-carbon double bond, it may be part of an aromatic ring; anda dimer or a polymer at the position of R.sub.10 or Y.sub.Type: GrantFiled: November 7, 1990Date of Patent: October 6, 1992Assignee: Fuji Photo Film Co., Ltd.Inventor: Naoyasu Deguchi
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Patent number: 5114837Abstract: A silver halide color photographic material is disclosed comprising a support having thereon at least one blue-sensitive silver halide emulsion layer containing a yellow coupler, at least one green-sensitive silver halide emulsion layer containing a magenta coupler and at least one sensitive silver halide emulsion layer containing a cyan coupler, wherein the sensitive silver halide emulsion layer containinig a cyan coupler comprises a silver chlorobromide or silver chlorobromoiodide emulsion having a silver chloride content of at least 80 mol % and a silver iodide content of no greater than 1 mol % and said sensitive silver halide emulsion is spectrally sensitized with a red-sensitive sensitizing dye and at least one or both of a blue-sensitive sensitizing dye and a green-sensitive sensitizing dye.Type: GrantFiled: November 8, 1989Date of Patent: May 19, 1992Assignee: Fuji Photo Film Co., Ltd.Inventor: Tadashi Ogawa
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Patent number: 5108883Abstract: Color photographic recording material containing as cyan correction dyes, azomethine dyes corresponding to the general formula IV or V ##STR1## is distinguished from materials containing the cyan correction dyes hitherto used by its increased stability of latent image nuclei when stored under tropical conditions (35.degree. C. at 90% relative humidity).In formulae IV and V,R.sub.1 and R.sub.2 denote H, optionally substitued C.sub.1 -C.sub.4 -alkyl, C.sub.6 -C.sub.10 -aryl and C.sub.1 -C.sub.3 -alkoxy,R.sub.3 denotes H, optionally substituted C.sub.1 -C.sub.4 -alkyl, C.sub.6 -C.sub.10 -aryl and C.sub.1 -C.sub.3 -alkoxy nd halogen,R.sub.4 denotes H, optionally substituted C.sub.1 -C.sub.4 -alkyl and C.sub.1 -C.sub.3 -alkoxy, CN, halogen, SO.sub.2 R.sub.7, COOR.sub.7, SO.sub.2 OR.sub.7, COR.sub.7, SO.sub.2 NR.sub.7 R.sub.8 and CONR.sub.7 R.sub.8,R.sub.5 denotes NHCOR.sub.9, NHCOOR.sub.9, NHSO.sub.2 R.sub.9 and NHPO(R.sub.9).sub.2,R.sub.6 denotes CON(R.sub.9).sub.2, NHCOR.sub.9, NHCOOR.sub.9, NHSO.sub.2 R.sub.Type: GrantFiled: November 9, 1990Date of Patent: April 28, 1992Assignee: Agfa Gevaert AktiengesellschaftInventors: Reinhart Matejec, Erich W. Boon, Hans Langen
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Patent number: 5084374Abstract: There is disclosed a silver halide color photographic material having (A) a red-sensitive, (B) a green-sensitive, and (C) a blue sensitive silver halide emulsion layers, wherein the silver halide emulsion of each layer is a high-silver-chloride emulsion, and the silver halide emulsions of the red-sensitive and blue-sensitive layers is spectrally sensitized in the blue light region within a range satisfying specific relationships. Further two or more silver halide emulsions are mixed so that the gammas of the (A) red-sensitive and the (B) green-sensitive layers in the photosensitive region of the blue-sensitive layer may be in a limited range. The disclosure as described provides a silver halide color photographic material which can form a color image giving a stereoscopic feeling that can reproduce bright primary colors less in turbidity over the range from the low-density part to the high-density part, and which can produce fully the high-density region of primary colors with subtle shades.Type: GrantFiled: October 17, 1990Date of Patent: January 28, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Kokichi Waki, Masahiro Asami
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Patent number: 5077182Abstract: Disclosed is a silver halide color photographic material comprising at least one yellow coupler-containing silver halide emulsion layer (BL) spectrally sensitized such that the specific spectral sensitivity range falls within the scope of from 400 nm to 520 nm, at least one magenta coupler-containing silver halide emulsion layer (GL) spectrally sensitized such that the specific spectral sensitivity range falls within the scope of from 470 nm to 620 nm, and at least one cyan coupler-containing silver halide emulsion layer (RL) spectrally sensitized such that the specific spectral sensitivity range falls within the scope of from 540 nm to 700 nm, wherein the center of gravity of the sensitivity wavelength of the GL's spectral sensitivity distribution (.lambda..sub.G) falls within the range of from about 520 nm to about 580 nm, the center of gravity of the sensitivity wavelength of the RL's spectral sensitivity distribution (.lambda..sub.Type: GrantFiled: October 5, 1987Date of Patent: December 31, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Noboru Sasaki, Keisuke Shiba
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Patent number: 5053324Abstract: A silver halide color light-sensitive material comprising, on a support, at least one blue-sensitive silver halide emulsion layer containing a yellow dye-forming color coupler, at least one green-sensitive silver halide emulsion layer containing a magenta dye-forming color coupler and at least one red-sensitive silver halide emulsion layer containing a cyan dye-forming color coupler, in which the weight-averaged wavelength .lambda.G of spectral sensitivity distribution of the green-sensitive layer is in the range of from 520 nm to 580 nm, the weight averaged wavelength .lambda..sub.-R of spectral sensitivity distribution of the interlayer effect received by the red-sensitive layer in the range of from 500 nm to 600 nm is in the range of from 500 nm to 560 nm and the difference, .lambda..sub.G -.lambda..sub.-R is 5 nm or more, the material being characterized in that spectral sensitivity distribution S.sub.-R (.lambda.Type: GrantFiled: October 29, 1990Date of Patent: October 1, 1991Assignee: Fuji Photo Film Co., Ltd.Inventor: Noboru Sasaki
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Patent number: 5049474Abstract: A novel color light-sensitive material is provided, which comprises a support having theron at least a light-sensitive silver halide, an image-forming coupler, and a compound represented by formula (I):PWR--Time).sub.t Z [I]wherein PWR represents a group which undergoes reduction to release --Time).sub.t Z; Time represents a group which releases Z through a reaction after being released as --Time).sub.t Z; t represents an integer of 0 or 1; and Z represents a group which becomes a slightly mobile dye or a precursor thereof after being released from --Time).sub.t Z.Type: GrantFiled: May 20, 1988Date of Patent: September 17, 1991Assignee: Fuji Photo Film Co., LtdInventors: Seiji Ichijima, Kei Sakanoue
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Patent number: 5037728Abstract: A photographic material package unit composed of a container sealed to ambient light containing a silver halide color light-sensitive film, the container having a shutter means for admitting a predetermined amount of light to the container and a lens for forming an image on the film using the light admitted by the shutter means; the color film being composed of a support having thereon:(a) at least one blue-sensitive silver halide emulsion layer containing a yellow coupler and having a spectral sensitivity distribution with a maximum spectral sensitivity of from 406 nm to 480 nm, the distribution within 80% of the maximum value being in a range of from 400 nm to 500 nm;(b) at least one green-sensitive silver halide emulsion layer containing a magenta coupler and having a spectral sensitivity distribution with a maximum spectral sensitivity of from 527 nm to 580 nm, the distribution within 80% of the maximum value being in a range of from 500 nm to 600 nm;(c) at least one red-sensitive silver halide emulsion lType: GrantFiled: September 8, 1988Date of Patent: August 6, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Keisuke Shiba, Noboru Sasaki
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Patent number: 5032496Abstract: A light-sensitive color photographic material with improved color reproducibility which comprises on a support a plurality of light-sensitive silver halide emulsion layers including a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a blue-sensitive silver halide emulsion layer and at least one silver halide emulsion layer having reverse photo-response to that of the red-, green-, and blue-sensitive silver halide emulsion layers, being capable of forming a reverse dye image having substantially the same hue as that is to be formed in the green-sensitive silver halide emulsion layer, and having maximun sensitivity wavelength (.lambda.-G) of the spectral sensitivity distribution in the region of from 400nm to 500nm.Type: GrantFiled: April 24, 1990Date of Patent: July 16, 1991Assignee: Konica CorporationInventors: Tsuyoshi Hattori, Shin-ichi Daiba
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Patent number: 5024928Abstract: A silver halide multilayer color reversal photographic material having improved color reproducibility comprises, in a blue-sensitive silver halide emulsion layer, the combination of a monomethine cyanine spectral sensitizing dye and a thiazole quaternary salt having attached to a quaternary nitrogen atom thereof an alkenyl group having a double bond in the .beta.-position.Type: GrantFiled: July 17, 1989Date of Patent: June 18, 1991Assignee: Minnesota Mining and Manufacturing CompanyInventors: Marco Loiacono, Giuseppe Loviglio
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Patent number: 4994358Abstract: A direct positive color light-sensitive material is disclosed, which comprises a support having thereon at least one internal latent image-forming silver halide emulsion layer containing non-prefogged silver halide grains and which contains at least one color image-forming coupler capable of producing or releasing a non-diffusible or diffusible dye upon oxidative coupling with a color developing agent, with at least one layer different from the internal latent image-forming silver halide emulsion layer containing a surface latent image-forming, negative-working silver halide emulsion and with at least one of the negative-working silver halide emulsion layer and an interlayer adjacent thereto containing at least one compound capable of releasing a fogging agent, a fogging agent precursor, a development promoter or a development promoter precursor in proportion to the amount of developed silver of the negative-working silver halide emulsion upon development processing using an aromatic primary amine developingType: GrantFiled: August 15, 1988Date of Patent: February 19, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Naoyasu Deguchi, Shigeo Hirano
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Patent number: 4992357Abstract: A silver halide color photographic light-sensitive material having an excellent adhesion resistance and capable of preventing deterioration of quality of processed images is disclosed. The light-sensitive material having a support and provided thereon, the photographic component layers including each at least one red-sensitive layer comprising at least a masking cyan coupler, green-sensitive layer comprising at least a masking magenta coupler, and blue-sensitive layer, is characterized by that:A. an uppermost layer of said photographic component layers comprises an alkali-soluble matting agent,B. a total amount of coated silver is 15 to 45 mg/dm.sup.2.Type: GrantFiled: July 3, 1989Date of Patent: February 12, 1991Assignee: Konica CorporationInventors: Yoshihiro Haga, Hiroshi Shimazaki, Atsuo Ezaki, Yoshiro Shigetomi
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Patent number: 4977072Abstract: Improved color graininess can be obtained with a color photographic recording material containing in association with a silver halide emulsion layer unit a non-diffusing colored color coupler which, in the coupling position, contains a diffusion-proofing primary ballast group which is attached through an azo group and which is releasable during the color coupling reaction and which coupler gives a hydrophobic dye of limited mobility in the color coupling reaction.Type: GrantFiled: June 29, 1988Date of Patent: December 11, 1990Assignee: Agfa-Gevaert AktiengesellschaftInventors: Gunter Renner, Reinhart Matejec
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Patent number: 4968594Abstract: A negative-working silver halide color photographic material is disclosed which has at least one silver halide emulsion layer on a support, said material including a pyrazolotriazole-based magenta coupler and means for forming an unsharp positive image.Type: GrantFiled: June 1, 1989Date of Patent: November 6, 1990Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Hiroshi Shimazaki, Mitsuto Fujiwhara
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Patent number: 4965179Abstract: A novel silver halide color photographic material is described, comprising a support having thereon at least three silver halide emulsion layer units each having a sensitivity to each of three primary colors of blue, green and red, wherein at least one unit among said silver halide emulsion layer units comprises a layer group containing at least two layers each having a different sensitivity and at least one layer in said layer group, which satisfies the following condition (A) or (B):(A) in the case where the silver halide emulsion layer unit is a blue-sensitive or green-sensitive unit, the layer is one to take charge of coloration of a substantially highest density range on a characteristic curve; or(B) in the case where the silver halide emulsion layer unit is a red-sensitive unit, the layer is one other than a layer which is in charge of coloration of a substantially highest density range on a characteristic curve,contains at least one compound of the general formula (I): ##STR1## wherein R.sub.Type: GrantFiled: December 27, 1988Date of Patent: October 23, 1990Assignee: Fuji Photo Film Co., Ltd.Inventors: Shigeru Kuwashima, Akio Mitsui