Substituted At Coupling Position With Other Than Hydrogen Patents (Class 430/555)
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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: 5270156Abstract: 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 magenta couplers represented by Formula M-I and at least one of compounds capable of releasing a development inhibitor or a precursor of a development inhibitor, upon reaction with oxidized products of a development agent, represented by Formula D-I; ##STR1## wherein Z represents a group consisting of a non-metal atoms necessary to form a nitrogen containing heterocyclic ring, provided, the ring formed by the Z may have a substituent; X represents a hydrogen atom or a group releasable upon reaction with an oxidized product of a color developing agents; and R represents a hydrogen atom or a substituent, ##STR2## wherein R.sub.1 represents an alkyl group, R.sub.Type: GrantFiled: August 28, 1992Date of Patent: December 14, 1993Assignee: Konica CorporationInventors: Shigeto Hirabayashi, Shuichi Sugita, Katsumasa Yamazaki
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Patent number: 5270158Abstract: A light-sensitive silver halide color photographic material is disclosed. The light-sensitive material comprises a support and a silver halide emulsion layer and a non-light-sensitive hydrophilic colloid layer provided on the support. The emulsion layer comprises a mixture of at least two kinds of silver halide emulsions which different from each other in sensitivity. The emulsion layer contains a magenta coupler represented by Formula II and the non-light-sensitive layer contains a compound represented by formula II: ##STR1## wherein Ar is an aryl group; Y is a hydrogen atom or a substituent capable of releasing upon reaction with the oxidation product of a color developing agent; X is a halogen atom, an alkoxy group or an alkyl group; n is an integer of 0 to 4, Xs are the same or different when n is 2 or more; R is a strait chain or branched alkyl group having 1 to 20 carbon atoms, ##STR2## wherein R.sub.1 and R.sub.Type: GrantFiled: May 26, 1992Date of Patent: December 14, 1993Assignee: Konica CorporationInventors: Hiroshi Nakatsugawa, Takaaki Kojima
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Patent number: 5262292Abstract: Pyrazolone magenta dye-forming couplers having a particular arylthio coupling-off group enhance the photographic properties and improve the manufacturing and handling characteristics of materials and processes employing such couplers. The coupler contains an N-phenyl group, a 3-anilino group and a 4-(arylthio) coupling off group containing a particular aryloxymethylacylamino group as an ortho substituent. A broad range of improvements are realized including stability, reactivity, hue, and dye density in addition to simplified and safer manufacture.Type: GrantFiled: April 23, 1992Date of Patent: November 16, 1993Assignee: Eastman Kodak CompanyInventors: Sundaram Krishnamurthy, Thomas A. Rosiek, Vincent J. Flow, David S. Bailey, David J. Giacherio, John L. Pawlak, Stephen P. Singer
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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: 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: 5252446Abstract: There is provided a silver halide color photographic light-sensitive material whose green-sensitive and red-sensitive layers are improved in sensitivity and which involves little variation among printers.Type: GrantFiled: September 9, 1992Date of Patent: October 12, 1993Assignee: Konica CorporationInventors: Shigeto Hirabayashi, Shuichi Sugita, Katsumasa Yamazaki
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Patent number: 5250407Abstract: A silver halide color photographic light-sensitive material, comprising at least one silver halide light-sensitive emulsion layer provided on a support wherein at least one of said light-sensitive emulsion layer contains (i) at least one 5-pyrazolone coupler having an elimination group represented by the following general formula (I) at the coupling position thereof and (ii) at least one monodisperse cubic silver halide emulsion containing at least one metal ion selected from the group consisting of ions of metals of Group VIII of the Periodic Table, transition metals of Group II of the Periodic Table, lead and thallium in an amount of from 1.times.10.sup.-9 to 1.times.10.sup.Type: GrantFiled: February 14, 1992Date of Patent: October 5, 1993Assignee: Fuji Photo Film Co., Ltd.Inventor: Akira Kase
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Patent number: 5250405Abstract: Color photographic materials comprise a support bearing a silver halide emulsion and a coupler composition. The coupler composition comprises a two-equivalent pyrazolone magenta dye-forming coupler, a ballasted carbonamide compound, and a developer inhibitor-releasing coupler. The carbonamide compound reduces continued coupling of the pyrazolone magenta dye-forming coupler during the bleach step in a color photographic process without altering the advantageous properties provided by the combination of the two-equivalent pyrazolone magenta dye-forming coupler and the developer inhibitor-releasing coupler.Type: GrantFiled: August 29, 1991Date of Patent: October 5, 1993Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, Stephen P. Singer
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Patent number: 5246820Abstract: A photographic element having improved granularity contains a dye-forming coupler containing a carbamic acid precursor capable of being converted into a carbamic acid group during processing, and wherein after processing the carbamic acid group decomposes, leaving the dye substantially non-diffusable.Type: GrantFiled: March 3, 1992Date of Patent: September 21, 1993Assignee: Eastman Kodak CompanyInventors: Jared B. Mooberry, James J. Seifert, Stephen P. Singer
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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: 5236804Abstract: A silver halide photographic light-sensitive material comprises a support having thereon photographic component layers including a silver halide emulsion layer, wherein at least one of said photographic component layers contains a compound represented by the following formula:A--(Time)n--FL--BLwherein A represents a group capable of releasing a group of --(Time)n--FL--BL upon reaction with an oxidation product of a developing agent; Time represents a timing group; FL represents a group which comes to emit fluorescence when a --BL is split off; BL represents a group capable of being split off; and n represents an integer of 0 or 1.Type: GrantFiled: February 26, 1991Date of Patent: August 17, 1993Assignee: Konica CorporationInventors: Shigeo Tanaka, Hirokazu Sato, Satoru Ikesu
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Patent number: 5232821Abstract: Photographic coupler compositions comprise (a) a magenta dye-forming coupler compound, and (b) a sulfoxide compound or a sulfone compound in an amount sufficient to improve the light stability of a magenta dye formed from the magenta dye-forming coupler compound. The sulfoxide compound is of the formula ##STR1## and the sulfone compound is of the formula ##STR2## wherein R.sub.1 and R.sub.Type: GrantFiled: April 1, 1991Date of Patent: August 3, 1993Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, Edward Schofield
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Patent number: 5227282Abstract: Disclosed is a light-sensitive silver halide color photographic material having at least three kinds of silver halide emulsion layers with different color sensitivities on a reflective support and also having yellow, magenta and cyan color forming couplers for forming colors related to developing of said silver halide emulsions, characterized in that when the coupler for forming color related to said color sensitive silver halide emulsion bearing primarily cyan color image is color formed to a cyan image density of 0.4, the color difference (color difference .DELTA.E in the CEI 1976 L*a*b* color space) from the minimum density is .DELTA.E.gtoreq.23.Type: GrantFiled: August 27, 1991Date of Patent: July 13, 1993Assignee: Konica CorporationInventors: Shigeo Tanaka, Hirokazu Sato
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Patent number: 5221599Abstract: A compound used as a silver halide photographic light sensitive material for releasing a photographically useful group (PUG) by the reaction with an oxidized developing compound during the developing process is disclosed.The compound has several timing groups so that the releasing can be controlled by several steps of the reactions to meet a required timing.The compound can be modified with various kinds of substituents so that the width of the reacting area is controlled.Type: GrantFiled: May 21, 1991Date of Patent: June 22, 1993Assignee: Konica CorporationInventors: Eisaku Katoh, Shuichi Sugita, Shuji Kida
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Patent number: 5219719Abstract: A silver halide photographic light-sensitive material is disclosed. The light-sensitve material comprises a support having thereon a hydrophilic colloid containing a compound represented by the following Formula I as a colored coupler, ##STR1## wherein R.sup.1 is a substituent; R.sup.3 is a halogen atom or an alkoxy group; R.sup.2 is an acylamino group, a sulfonamido group, an imido group, a carbamoyl group, a sulfamoyl group, an alkoxycarbonyl group or an alkoxycarboxyamido group; m is an integer of 0 to 5 and n is an integer of 0 to 4. The light-sensitive material has a good color reproducibility caused by the masking effect of the colored coupler with less lossing in the speed.Type: GrantFiled: May 2, 1991Date of Patent: June 15, 1993Assignee: Konica CorporationInventor: Shuji Kida
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Patent number: 5204232Abstract: Disclosed is a light-sensitive silver halide photographic material having at least one silver halide emulsion layer on a support, characterized in that at least one layer of the above silver halide emulsion layers contains a compound represented by the following formula (I): ##STR1## wherein n represents 0 or 1; A represents a compound residue which cleaves a bonding to Time in the case of n=1 or a compound residue which cleaves one of bondings to FL in the case of n=0; Time represents a timing group which cleaves a bonding to FL after cleavage from A; and FL represents a compound residue which emits fluorescence by cleavage of a bonding to Time in the case of n=1 and a compound residue which emits fluorescence by cleavage of one of bondings to A in the case of n=0.Type: GrantFiled: March 11, 1991Date of Patent: April 20, 1993Assignee: Konica CorporationInventors: Hirokazu Sato, Shigeo Tanaka, Satoru Ikesu
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Patent number: 5200309Abstract: Color photographic materials comprise a support bearing a silver halide emulsion and a coupler composition. The coupler composition comprises a two-equivalent pyrazolone magenta dye-forming coupler, a ballasted carbonamide compound, and a ballasted aniline or amine compound.Type: GrantFiled: August 29, 1991Date of Patent: April 6, 1993Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, Stephen P. Singer
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Patent number: 5192650Abstract: A silver halide color photographic material is disclosed, which comprises a support having thereon a photographic layer containing at least one compound represented by formula (I): ##STR1## wherein each of R.sub.01, R.sub.02 and R.sub.03, which may be the same or different, represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group; R.sub.01 and R.sub.02, R.sub.02 and R.sub.03, and R.sub.01 and R.sub.03 may be combined with each other, provided that all of R.sub.01, R.sub.02 and R.sub.03 are not hydrogen atoms at the same time; each of X.sub.01, X.sub.02 and X.sub.03, which may be the same or different, represents a mere bond, --O--, --S-- or ##STR2## and R.sub.04 has the same meaning as R.sub.01.Type: GrantFiled: January 23, 1991Date of Patent: March 9, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobuo Seto, Masakazu Morigaki
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Patent number: 5183731Abstract: A silver halide color photographic light-sensitive material having, on a support, at least an emulsion layer containing a yellow coupler represented by the general formula (I) and a sparingly water soluble epoxy compound represented by the general formula (II): ##STR1## An excellent dye images with improved yellow image storability, particularly, heat and wet heat fastness can be obtained.Type: GrantFiled: January 25, 1991Date of Patent: February 2, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Osamu Takahashi, Nobuo Furutachi
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Patent number: 5178993Abstract: A method for rapidly processing a silver halide color photographic material is disclosed, comprising a support having 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, wherein the photographic material contains a yellow colored cyan coupler, the total processing time for the photographic material is 8 minutes or less, and the processing solution having a bleaching ability for the photographic material contains an oxidizing agent having a redox potential of 150 mV or more. The rapid processing method yields excellent color reproducibility and the photographic material processed by the method has excellent resistance to fading.Type: GrantFiled: February 28, 1991Date of Patent: January 12, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshihiro Fujita, Keiji Mihayashi
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Patent number: 5169749Abstract: The improved silver halide photographic material has a substantially colorless coupler that has a leaving group with a protected formyl group at the active site, said protected formyl group being such that subsequent to the elimination of the leaving group upon coupling reaction, the protective group for a formyl group undergoes cleavage, causing reaction with an aromatic primary amine to form a ballasted Schiff type dye. The novel substantially colorless coupler is capable of highly efficient dye formation.Type: GrantFiled: April 17, 1991Date of Patent: December 8, 1992Assignee: Konica CorporationInventors: Eisaku Katoh, Shuji Kida, Shuichi Sugita
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Patent number: 5147764Abstract: Photographic elements are described havinga silver halide emulsion layer,a 2-equivalent 5-pyrazolone coupler is reactive association with said silver halide emulsion, anda competitor for oxidized developer in reactive association with said coupler having the formula: ##STR1## wherein R.sup.1 represents an electron donating group,R.sup.2 represents hydrogen, alkyl, alkoxy, aryl, aryloxy, aralkyl or amino of the formula --NHR.sup.3, where R.sup.3 is phenyl or benzyl, with the proviso that at least one ofthe substitutents R.sup.1 and R.sup.2 (a) represents (1) a ballast group of sufficient size as to render the hydrazide compound non-diffusible in the photographic element prior to development in alkaline processing solution and (b) comprises a polar group, andn is 0, 1 or 2.Type: GrantFiled: April 30, 1991Date of Patent: September 15, 1992Assignee: Eastman Kodak CompanyInventor: Arlyce T. Bowne
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Patent number: 5145766Abstract: Compounds of the formula ##STR1## in which R is hydrogen or hydroxyl, R.sub.1 is alkyl, alkoxy, amino or aryl, and R.sub.2 is hydrocarbylcarbonyl or hydrocarbylsulfonyl, are highly suitable for stabilizing magenta couplers in photographic materials.Type: GrantFiled: May 13, 1991Date of Patent: September 8, 1992Assignee: Ciba-Geigy CorporationInventors: David G. Leppard, David H. Steinberg, Henri Dubas
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Patent number: 5134059Abstract: A color photographic recording material containing a magenta coupler corresponding to the following formula is distinguished during chromogenic development by high sensitivity, gradation and high color density and also minimal yellow secondary density: ##STR1## In the formula, X is H or a group releasable during the color coupling reaction;R.sub.1 and R.sub.2 are Cl, Br, --CF.sub.3 ;R.sub.3 is H, Cl, Br, --CF.sub.3, --OCH.sub.3 ;R.sub.4 is alkyl;R.sub.5 is alkyl or benzyl.Type: GrantFiled: August 16, 1991Date of Patent: July 28, 1992Assignee: Bayer AktiengesellschaftInventors: Friedrich-Wilhelm Kunitz, Werner Liebe
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Patent number: 5126234Abstract: A method for processing a silver halide color photographic material, wherein the silver halide color photographic material having a layer containing at leasst one pyrazolone-based magenta coupler having a coupling releasing group represented by formula (I) and at least one compound represented by formula (II), (III), (IV) or (V) is processed with a color developing solution having a developing solution temperature of 36.degree. to 50.degree. C. and a developing solution pH of 10.3 to 12.0; ##STR1##R.sup.11 --Z.sub.2 (IV) ##STR2## wherein the substituents are as defined in the text of the specification.Type: GrantFiled: August 11, 1989Date of Patent: June 30, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Hideaki Naruse, Hiroshi Fujimoto, Yasuhiro Yoshioka
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Patent number: 5110718Abstract: A silver halide photographic light-sensitive material comprising a support having thereon a photographic silver halide emulsion layer is disclosed.Type: GrantFiled: December 12, 1990Date of Patent: May 5, 1992Assignee: Konica CorporationInventors: Masaki Tanji, Toyoki Nishijima
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Patent number: 5104780Abstract: There is disclosed a light-sensitive silver halide photographic material which comprises containing a compound having ##STR1## group at 4-position of a pyrazole ring, and having a residue of non-diffusion type coupler through an oxygen atom, a sulfur atom or an imino group at the 5-position of the same, wherein A represents a residue of 1-phenyl-3-pyrazolidone derivatives and p is 0 or 1.Type: GrantFiled: November 7, 1990Date of Patent: April 14, 1992Assignee: Konica CorporationInventors: Shuichi Sugita, Shuji Kida, Hidenobu Ohya
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Patent number: 5096804Abstract: A silver halide color photographic material excellent in stability, which comprises 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 on a support and having a specific photographic sensitivity of 320 or more, wherein the total silver content in said silver halide color photographic material is in the range of from 3.0 to 9.0 g/m.sup.2 and the weight ratio of the amount of gold per unit area to the amount of silver incorporated per unit area is in the range of from 1.times.10.sup.-8 to 6.0.times.10.sup.-6.Type: GrantFiled: January 29, 1991Date of Patent: March 17, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinpei Ikenoue, Norihiko Sakata
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Patent number: 5096805Abstract: A silver halide color photographic material containing at least one silver halide emulsion and at least one kind of 5-pyrazolone couplers having the releasable group shown by following formula (I) at the coupling position and at least one kind of the compounds shown by following formula (II): ##STR1## wherein L.sub.1 and L.sub.2 each represents a methylene group or an ethylene group; l and m each represents 0 or 1; R.sub.1 represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; R.sub.2 represents a group bonded to A by a carbon atom, an oxygen atom, a nitrogen atom or a sulfur atom; A represents a carbon atom or a sulfur atom; n represents 1 when A is a carbon atom, or 1 or 2 when A is a sulfur atom; B represents a carbon atom, an oxygen atom, a nitrogen atom, or a sulfur atom; and X represents an atomic group necessary for forming a ring; said R.sub.1 and R.sub.2 may combine with each other to form a ring; and when B is a carbon atom or a nitrogen atom, said B and R.sub.Type: GrantFiled: April 5, 1991Date of Patent: March 17, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Kozo Aoki, Masakazu Morigaki
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Patent number: 5091296Abstract: This invention describes a process of coprecipitating a photographic material such as a dye-forming coupler inside a base ionizable polymeric particle. Preparation of such a dispersion is performed by providing a first flow comprising a solution of a surfactant in water containing a polymer ionizable by base, providing a second flow comprising a water miscible solvent, base, water, and the photographic material, then mixing the said first and said second flow and immediately neutralizing the mixed flow to precipitate the photographic material inside the polymer particles forming a fine particle colloidal dispersion of the photographic material. The polymer dispersions of the invention are characterized by high photographic activity and high dye-stability in some cases.Type: GrantFiled: June 26, 1990Date of Patent: February 25, 1992Assignee: Eastman Kodak CompanyInventors: Pranab Bagchi, Steven J. Sargeant, James T. Beck, Brian Thomas
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Patent number: 5091291Abstract: A coupler having as a coupling-off group an alkyl group substituted with an electron source capable of stabilizing carbonium ion.Type: GrantFiled: October 25, 1990Date of Patent: February 25, 1992Assignee: Eastman Kodak CompanyInventors: Philip T. S. Lau, Danny R. Thompson
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Patent number: 5091293Abstract: A high-speed color negative photographic material which comprises, a support having provided thereon, at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one blue-sensitive emulsion layer, and is designated so as to acquire a specific photographic sensitivity (defined in detailed description of the invention) of 800 or above, and has a combined total of silver coverages ranging from 3.0 g/m.sup.2 to 9.0 g/m.sup.2 so as to minimize an increase in fog, a decrease in photographic speed and deterioration in granularity, which heretofore have occurred in high-speed photographic materials during long-range storage before used. In addition, the present photographic material enables enhancement of pressure resistance and processing efficiency.Type: GrantFiled: June 25, 1990Date of Patent: February 25, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Yasushi Nozawa, Hideto Ikoma, Keiji Mihayashi, Yoshihiko Shibahara
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Patent number: 5071735Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide color photographic material contains a compound represented by the following general formula (I):A--(L).sub.l --B (I)wherein A represents a group whose bond to (L).sub.l --B is capable of being cleaved upon reaction with an oxidation product of a developing agent; L represents a group whose bond to B is capable of being cleaved after being cleaved from A; B represents a 5-membered, 6-membered or 7-membered nitrogen-containing unsaturated heterocyclic group which has 2 to 6 carbon atoms, which is connected to A-(L).sub.l at the nitrogen atom, and which has a sulfonamido group and a development inhibitor group or a precursor thereof on the ring carbon atoms; l represents an integer of 0 to 2, and when l represents 2, the two L's may be the same or different. The silver halide color photographic material has excellent sharpness and color reproducibility.Type: GrantFiled: October 5, 1989Date of Patent: December 10, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Seiji Ichijima, Yasuhiro Shimada
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Patent number: 5068171Abstract: The present invention relates to a silver halide color photographic light sensitive material comprising a support and at least one silver halide emulsion layer on the support, wherein the material contains (1) at least one 5-pyrazolone coupler represented by formulas (II) or (III): ##STR1## and (2) at least one compound selected from the group consisting of compounds represented by formulas (AI), (AII) and (AIII):R.sub.1 --A--.sub.n X (AI) ##STR2##R--Z (AIII)wherein the substituents are as defined in the text of the specification.Type: GrantFiled: July 13, 1989Date of Patent: November 26, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Masakazu Morigaki, Nobuo Seto
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Patent number: 5049482Abstract: A silver halide photographic light-sensitive material improved in fastness to light of the color image formed thereon. The photographic material comprises a support and a silver halide emulsion layer containing a dye-forming coupler, a compound represented by the following Formula I, and a compound represented by the following Formula II: ##STR1## wherein R.sub.1 and R.sub.2 each represents a straight or branched chain alkyl group having 1 to 4 carbon atoms or a straight of branched chain alkenyl group having 1 to 4 carbon atoms; R.sub.5 and R.sub.6 each represents a straight or branched chain alkyl group having 5 to 18 carbon atoms or a straight of branched chain alkenyl group having 5 to 18 carbon atoms; and R.sub.3, R.sub.4, R.sub.7 and R.sub.8 each represents a straight or branched chain alkyl group having 4 to 8 carbon atoms.Type: GrantFiled: August 29, 1989Date of Patent: September 17, 1991Assignee: Konica CorporationInventors: Toyoki Nishijima, Masaki Tanji
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Patent number: 5026628Abstract: Photographic compound (A) capable of releasing a photographically useful group is represented by the formula: SOL-CAR-LINK-PUG wherein SOL is a water-solubilizing group; CAR is a carrier moiety that, upon reaction with oxidized developing agent, is capable of releasing LINK-PUG and capable of forming a compound that is washed out of the photographic element during photographic processing; LINK-PUG is in turn capable of releasing a photographically useful group (PUG) during photographic processing and LINK-PUG is represented by the formula: ##STR1## wherein X, R.sub.1, R.sub.2, R.sub.3, R.sub.4 and PUG are as defined in the application. The photographic compound (A) enables formation of easily removable compounds in photographic elements and processes that provide images having improved acutance.Type: GrantFiled: February 22, 1990Date of Patent: June 25, 1991Assignee: Eastman Kodak CompanyInventors: William J. Begley, Teh-Hsuan Chen, Kenneth N. Kilminster, Jerrold N. Poslusny, Wojciech Slusarek
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Patent number: 5019490Abstract: Silver halide photographic materials are disclosed, comprising a support carrying at elast one hydrophilic organic colloid layer in which at least one photographically useful reagent is dispersed with at least one of ethylenic addition polymerized polymer which contains at least 50% by weight of trifluorochloroethylene units.Type: GrantFiled: October 17, 1988Date of Patent: May 28, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Hidetoshi Kobayashi, Osamu Takahashi
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Patent number: 5002864Abstract: Stable, color neutral images may be produced by a short time photographic process using a color photographic recording material containing at least one silver halide emulsion layer and at least one 2-equivalent magenta coupler corresponding to formula I on a (preferably reflective) layer support. ##STR1## In the above formula, B denotes a stabilizing group,Y denotes halogen, alkoxy, alkyl, alkylsulphonyl, acylamino, alkoxycarbonyl, carbamoyl, sulphamoyl, amino, trifluoromethyl or cyano,n and o stand for 0, 1 or 2 (but not both 0),p stands for 0 or an integer .ltoreq.3-o,q stands for 0 or an integer .ltoreq.5-n, andAlk stands for alkyl which may be straight chained or branched and preferably has 1 to 22 carbon atoms and is optionally substituted, e.g. with hydroxy, alkoxy, aroxy or alkoxycarbonyl.Type: GrantFiled: May 4, 1989Date of Patent: March 26, 1991Assignee: Agfa-Gevaert AktiengesellschaftInventors: Gunter Renner, Werner Liebe
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Patent number: 4994359Abstract: The present invention relates to a silver halide color photographic light-sensitive material comprising (i) at least one 5-pyrazolone magenta coupler possessing an elimination group represented by general formula (I) in coupling posiitons, and (ii) at least one compound represented by general formula (A): ##STR1## wherein L.sub.1 and L.sub.2 each represents a methylene group or an ethylene group;l and m each represents 0 to 1;R.sub.1 represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group or a heterocyclic group;R.sub.2 represents a group linked to A by a carbon atom, an oxygen atom, a nitrogen atom or a sulfur atom;A represents a carbon atom or a sulfur atom;n represents 1 when A is a carbon atom, and 1 or 2 when A is a sulfur atom;B represents a carbon atom, an oxygen atom, a nitrogen atom or a sulfur atom;X represents an atomic group necessary for forming a ring;R.sub.1 and R.sub.2 may be mutually bonded and form a ring; and when B is a carbon atom or a nitrogen atom, B and R.sub.Type: GrantFiled: July 31, 1989Date of Patent: February 19, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Masakazu Morigaki, Kiyoshi Nakazyo
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Patent number: 4992359Abstract: Color photographic elements comprise a support, a silver halide emulsion layer and a polymeric dye-forming coupler comprising a polyester condensation polymer having a pendant coupler moiety in which the coupler is joined via its coupling position.Type: GrantFiled: June 4, 1990Date of Patent: February 12, 1991Assignee: Eastman Kodak CompanyInventors: Ping-Wah Tang, Philip T. S. Lau, Stanley W. Cowan
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Patent number: 4985336Abstract: A silver halide color photographic light-sensitive material is disclosed, comprising a support having provided thereon 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, wherein at least one red-sensitive silver halide emulsion layer and at least one green-sensitive silver halide emulsion layer each contains a precursor compound capable of releasing a compound upon reacting with an oxidation product of a developing agent, and said released compound is capable of releasing a development inhibitor upon further reacting with another molecule of the oxidation product of the developing agent. The material has improved sharpness and color reproducibility.Type: GrantFiled: January 6, 1989Date of Patent: January 15, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Seiji Ichijima, Keiji Mihayashi
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Patent number: 4983507Abstract: The present invention provides silver halide color photographic materials having a layer which contains at least one magenta color image-forming oleophilic coupler of the following formulae (I) and/or (II) and at least one of the following formula (III): ##STR1## in which Ar represents a phenyl group which is substituted by at least one substituent selected from the group consisting of a halogen atom, an alkyl group, an alkoxy group, an alkoxycarbonyl group and a cyano group; Y represents an acylamino group or an anilino group; and Z.sub.1 represents a group capable of being removed by coupling, ##STR2## in which X represents a hydrogen atom or a substituent; Z.sub.2 represents a hydrogen atom or a group capable of being removed by coupling;W represents a hydrogen atom, an acyl group or an aliphatic or aromatic sulfonyl group;Za and Zb each represent a methine group, a substituted methine group or --N.dbd.; andX, Z.sub.Type: GrantFiled: October 26, 1988Date of Patent: January 8, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Osamu Takahashi, Hideaki Naruse, Masakazu Morigaki, Nobutaka Ohki, Nobuo Furutachi
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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: 4977073Abstract: A silver halide light-sensitive color photographic material which comprises a coupler represented by formula [I]; ##STR1## wherein A represents a coupler residue that is capable of releasing the remaining group of said coupler upon reaction with an oxidation product of a developing agent; L represents a timing group which is capable of releasing the rest of the group after said remaining group being released from A; n represents 0 or 1; X represents an oxygen or sulfur atom; Y represents a --NHSO.sub.2 R.sub.1 ' group, a ##STR2## group or a --NHCOR.sub.1 ' group, in which formulas R.sub.1 ' and R.sub.2 ' independently represent a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group; R.sub.1 and R.sub.2 independently represent a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group; R.sub.3 represents a substituent group; m represents 0, 1 or 2, provided that when m is 2, two R.sub.3 s may be different, and that two of R.sub.1, R.sub.2 and R.sub.3 or two of R.sub.Type: GrantFiled: December 23, 1988Date of Patent: December 11, 1990Assignee: Konica CorporationInventors: Osamu Ishige, Toyoaki Masukawa, Shuji Kida, Shigeto Hirabayashi
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Patent number: 4973535Abstract: This invention relates to a color photographic silver halide recording material containing a dye image-forming coupler compound and a sulfonamide compound which is capable of altering the spectral absorption properties of a dye formed by reaction of the coupler compound with oxidized developing agent.Type: GrantFiled: August 12, 1988Date of Patent: November 27, 1990Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, David J. Giacherio
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Patent number: 4960688Abstract: A silver halide color photographic material is described comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide color photographic material contains a water-soluble polymer comprising at least one repeating unit represented by formula (I) ##STR1## wherein A represents a vinyl repeating unit having a color coupler moiety which is capable of forming a dye upon coupling with an oxidation product of an aromatic primary amine developing agent;and at least one repeating unit selected from the group consisting of formulae (II-A), (II-B), (II-C), (II-D), (II-E), and (II-F): ##STR2## The water-soluble polymer is a photographic polymeric coupler incorporating a crosslinkable group with gelatin and the silver halide color photographic material containing the water-soluble coupler is excellent in layer strength and image sharpness.Type: GrantFiled: February 29, 1988Date of Patent: October 2, 1990Assignee: Fuji Photo Film Co., Ltd.Inventors: Kei Sakanoue, Yoshio Ishii, Tsumoru Hirano
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Patent number: 4954431Abstract: A silver halide photographic material containing a specific magenta coupler and a heterocyclic mercapto compound is disclosed. The photographic material is raised in its resistivity to magenta fogging caused by contamination of developer with bleaching solution, without degradation of color reproducibility. The photographic material is comprised of a support having thereon a silver halide emulsion layer and a non-light-sensitive layer and the emulsion layer contains a magenta coupler represented by the following Formula I and at least one of the emulsion layer and the non-light-sensitive layer contains a compound represented by the following formula S.Type: GrantFiled: June 23, 1989Date of Patent: September 4, 1990Assignee: Konica CorporationInventors: Toyoki Nishijima, Masaki Tanji
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Patent number: 4952487Abstract: In combination with oil formers of the alkylphenol type, 3-anilinopyrazolones show absorption maxima displaced by about 8 to 12 nm towards longer wavelengths and a blue secondary absorption further displaced towards the UV range and, hence, a reduced yellow secondary density.Type: GrantFiled: December 28, 1989Date of Patent: August 28, 1990Assignee: Agfa-Gevaert AktiengesellschaftInventors: Gunter Renner, Johannes Sobel, Klaus Wagner, Gunter Junkers, Friedhelm Sommer
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Patent number: 4948717Abstract: Dyes having the structure ##STR1## A represents a substituted or unsubstituted nucleus selected from the group consisting of rhodanines, hydantoins, 2-thiohydantions, 4-thiohydantoins, 2,4-oxazolidindiones, 2-thio-2,4-oxazolidindiones, isoxazolinones, barbiturics, 2-thiobarbiturics, and indandiones, said nucleus having a carboxyphenyl substituent or sulfonamidophenyl substituent,R represents hydrogen, alkyl of 1 to 4 carbon atoms, or benzyl,R.sup.1 and R.sup.2 each independently represents alkyl or aryl, or taken together with R.sup.5, R.sup.6, N, and the carbon atoms to which they are attached represent the atoms needed to complete a julolydyl ring,R.sup.3 represents H, alkyl, or aryl,R.sup.5 and R.sup.6 each independently represents H, or R.sup.5 taken together with R.sup.1, or R.sup.6 taken together with R.sup.2, each may represent the atoms necessary to complete a carbocyclic ring, andm is 0 or 1are disclosed. The dyes are useful as filter dyes in photographic filter layers.Type: GrantFiled: June 30, 1989Date of Patent: August 14, 1990Assignee: Eastman Kodak CompanyInventors: Donald R. Diehl, Ronda E. Factor