And Chemical Or Optical Sensitizer Patents (Class 430/550)
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Patent number: 9714218Abstract: Sulfonate-, sulfate-, or carboxylate-capped, alkoxylated anti-misting agents having the structure: R((AO)nX)m((AO)nH)p, and methods of suppressing mist from electrolyte solutions by adding a mist-suppressing amount of one or more compounds selected from the group consisting of compounds of the Formulas R((AO)nX)m((AO)nH)p and R3N+(CH3)2R4, and mixtures thereof, to electrolyte solutions.Type: GrantFiled: June 23, 2015Date of Patent: July 25, 2017Assignee: BASF SEInventors: Michael Virnig, Jack Bender, Louis Rebrovic
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Patent number: 7303863Abstract: A silver halide emulsion, which is chemically sensitized by a compound of formula (1): wherein Ch represents a sulfur, selenium, or tellurium atom; X1 represents NR1 or N+(R2)R3Y?; R1 represents a hydrogen atom or a substituent; R2 and R3 each represent an alkyl group or another substituent; Y? represents an anionic ion; X2 represents OR4, N(R5)R6, or another substituent; R4 to R6 each represent a hydrogen atom or a substituent; and E is a group selected from groups represented by formula (2) to (5): wherein, in formulas (2) to (5), Z represents a hydrogen atom or a substituent; A1 and A2 each represent an oxygen atom, etc.; and R10 to R16 each represent a hydrogen atom or a substituent; W represents a substituent; n is an integer from 0 to 4; L represents a divalent linking group; and EWG represents an electron withdrawing group.Type: GrantFiled: February 17, 2006Date of Patent: December 4, 2007Assignee: FUJIFILM CorporationInventors: Hiroyuki Suzuki, Toshihiro Kariya
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Patent number: 7229750Abstract: A silver halide emulsion chemically sensitized by a compound of formula (1), (6-1), (6-2) or (7); and a silver halide photographic light-sensitive material containing the silver halide emulsion: Formula (1) E1-Ch-E2 Formula (6-1) W1 . . . AuX2m Formula (6-2) [W1 . . . Au . . . W2]X2m Formula (7) E5-Ch-Au . . . (L2)1 wherein Ch is a sulfur, selenium or tellurium atom; E1, E2, and E5 each are, for example, a specific methylene group having a substituent; Au is a monovalent or trivalent gold ion; W1 and W2 each are a specific chalcogen compound; X2 is a monovalent anion; m is 1, 2 or 3; L2 is a compound that can coordinate with gold through a nitrogen, sulfur, selenium, tellurium or phosphorous atom; and l is 0, 1, 2 or 3.Type: GrantFiled: August 26, 2004Date of Patent: June 12, 2007Assignee: Fujifilm CorporationInventors: Hiroyuki Suzuki, Masami Sakurada, Toshihiro Kariya
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Patent number: 6887656Abstract: Disclosed is a color photographic element comprising at least one light sensitive silver halide emulsion layer containing a compound that does not react with oxidized developer, has a Log Kow high enough to improve speed, compared to the same layer without the compound, and comprises (1) a thiadiazole, or (2) an oxadiazole, or (3) a 1,2,4 triazole bearing an amido substituent, and does not contain a hydroxyl or thiol group or their tautomeric equivalents on the azole ring.Type: GrantFiled: January 17, 2003Date of Patent: May 3, 2005Assignee: Eastman Kodak CompanyInventors: Louis E. Friedrich, Philip A. Allway, Judith A. Bogie, Bernard A. Clark, Charles E. Heckler, Stephen P. Singer
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Publication number: 20040142289Abstract: Disclosed is a color photographic element comprising at least one light sensitive silver halide emulsion layer containing a compound that does not react with oxidized developer, has a Log Kow high enough to improve speed, compared to the same layer without the compound, and comprisesType: ApplicationFiled: January 17, 2003Publication date: July 22, 2004Inventors: Louis E. Friedrich, Philip A. Allway, Judith A. Bogie, Bernard A. Clark, Charles E. Heckler, Stephen P. Singer
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Patent number: 6759187Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein: the substituents are as defined in the application.Type: GrantFiled: July 11, 2000Date of Patent: July 6, 2004Assignee: Eastman Kodak CompanyInventors: Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy, Jared B. Mooberry, James J. Seifert, James H. Reynolds, Lyn M. Irving
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Patent number: 6756192Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein: the substituents are as defined in the application.Type: GrantFiled: December 30, 1999Date of Patent: June 29, 2004Assignee: Eastman Kodak CompanyInventors: Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy, Jared B. Mooberry, James J. Seifert, James H. Reynolds, Lyn M. Irving
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Publication number: 20040058282Abstract: A method of processing, with a developer in which a solution physical development arises, a silver halide photosensitive material containing a compound capable of undergoing a one-electron oxidation to thereby form a one-electron oxidation product thereof which belongs to the following types 1 to 4:Type: ApplicationFiled: September 10, 2003Publication date: March 25, 2004Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Kimiyasu Mor imura, Kohzaburoh Yamada
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Patent number: 6649330Abstract: In accordance with one embodiment of the invention, a photographic element is described comprising a support bearing one or more hydrophilic colloid layers including at least one photographic silver halide emulsion layer, wherein sequestered silver ions are incorporated into at least one hydrophilic colloid layer in the form of a silver ion containing material which sequesters silver ions prior to photographic processing and releases silver ions upon exposure to photographic processing solutions. Method for preparing and processing such photographic element are also described. In accordance with particular embodiments of the invention, the silver ion containing material comprises a silver ion-exchanged zeolite material or an intercalation composition comprising a layered host material having silver ions inserted as guest ions between the layers of the host material.Type: GrantFiled: December 28, 2001Date of Patent: November 18, 2003Assignee: Eastman Kodak CompanyInventors: Joseph F. Bringley, Kenneth J. Lushington, Tiecheng A. Qiao, James S. Honan
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Publication number: 20030203326Abstract: A silver halide color photographic photosensitive material comprising: a transmitting support; at least three types of photosensitive hydrophilic colloid layers disposed on the support, each type including at least one of a yellow, a magenta and a cyan color forming coupler; silver halide emulsion particles, which have a color sensitivity different from the other types, wherein at least one of the color sensitivities comprises green-sensitivity; and an Fe content of no more than 2×10−5 moles/m2; each silver halide emulsion particle including a halogen composition, which comprises at least one of silver chlorobromide, silver chloroiodide, silver chloroiodide bromide and silver chloride having a silver chloride content ratio of 95% by mole or more, an average sphere-equivalent particle diameter of the green-sensitive silver halogen emulsion particles comprising no more than 0.25 &mgr;m and at least one type of the green-sensitive silver halogen emulsion particles being doped with Ir.Type: ApplicationFiled: September 26, 2002Publication date: October 30, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Kiyohito Takada, Hidekazu Sakai, Terukazu Yanagi
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Publication number: 20030157445Abstract: In accordance with one embodiment of the invention, a photographic element is described comprising a support bearing one or more hydrophilic colloid layers including at least one photographic silver halide emulsion layer, wherein sequestered silver ions are incorporated into at least one hydrophilic colloid layer in the form of a silver ion containing material which sequesters silver ions prior to photographic processing and releases silver ions upon exposure to photographic processing solutions. Method for preparing and processing such photographic element are also described. In accordance with particular embodiments of the invention, the silver ion containing material comprises a silver ion-exchanged zeolite material or an intercalation composition comprising a layered host material having silver ions inserted as guest ions between the layers of the host material.Type: ApplicationFiled: December 28, 2001Publication date: August 21, 2003Inventors: Joseph F. Bringley, Kenneth J. Lushington, Tiecheng A. Qiao, James S. Honan
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Patent number: 6528243Abstract: A silver halide color photographic light-sensitive material has a support provided thereon a photographic constitutional layer including at least one photographic light-sensitive layer that contains a light-sensitive silver halide, an organosilver salt having a nitrogen-containing heterocycle, a compound capable of forming a dye by coupling reaction with an oxidized developing agent, and a binder, wherein the light-sensitive layer contains: (A) as the silver halide, a silver halide emulsion composed of tabular silver halide grains having a main face made up of a (111) plane, an average diameter of an equivalent circle of at least 0.70 &mgr;m, and an average thickness of less than 0.20 &mgr;m; and (B) as the organosilver salt, a compound in which a hydrogen on a 5- or 6-membered nitrogen-containing heterocycle having at least one —NH— group is replaced with Ag.Type: GrantFiled: October 25, 2001Date of Patent: March 4, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Tomoyuki Koide, Toshio Kawagishi
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Patent number: 6506546Abstract: This invention comprises an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein PUG is a photographically useful group; LINK 1 and LINK 2 are linking groups; TIME is a timing group; T represents t independently selected substituted or unsubstituted alkyl or aryl groups, t is 0, 1, or 2 and if t is 2, the T groups can form a ring; HET is a heterocyclic group which optionally can form a ring with a T group; R12 is hydrogen, substituted or unsubstituted alkyl or substituted or unsubstituted aryl, or R12 can form a ring with a T group or with HET; 1 is 0 or 1; m is 0, 1, or 2; and n is 0 or 1.Type: GrantFiled: December 30, 1999Date of Patent: January 14, 2003Assignee: Eastman Kodak CompanyInventors: Zbyslaw R. Owozarczyk, Xiqiang Yang, David T. Southby
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Patent number: 6426179Abstract: This invention relates to an imaging element, such as a photographic or photothermographic element comprising a silver halide emulsion layer, wherein the element also comprises a compound of Structure I: wherein the substituents are as defined in the specification.Type: GrantFiled: December 30, 1999Date of Patent: July 30, 2002Assignee: Eastman Kodak CompanyInventors: Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy
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Patent number: 6379878Abstract: A silver halide color photosensitive material having at least one blue-sensitive emulsion layer, at least one green-sensitive emulsion layer, and at least one red-sensitive emulsion layer on a support, wherein the red-sensitive emulsion layer has the maximum value of sensitivity in a wavelength region of 580 nm to 650 nm, and the green-sensitive emulsion layer contains at least one magenta coupler represented by formula (MC-1) below: wherein the substituent are defined herein the specification.Type: GrantFiled: May 26, 2000Date of Patent: April 30, 2002Assignee: Fuji Photo Film Co., Ltd.Inventors: Naoto Matsuda, Yoshio Shimura, Tetsuo Nakamura, Hisashi Mikoshiba
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Publication number: 20020042033Abstract: Disclosed is a color photographic element comprising at least one of (1) a light sensitive silver halide emulsion layer and (2) a non-silver containing light insensitive layer, said at least one layer containing a compound with a minimum of three heteroatoms that does not react with oxidized developer and that has a ClogP sufficient to increase the photographic speed of said element compared to the same element without the compound. The invention provides improved light sensitivity.Type: ApplicationFiled: September 18, 2001Publication date: April 11, 2002Inventors: Philip A. Allway, Bernard A. Clark, John D. Goddard, Louis E. Friedrich, James A. Friday, Stephen P. Singer, Marcello Vitale
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Patent number: 6316177Abstract: Disclosed is a color silver halide photographic element comprising a light-sensitive silver halide emulsion layer or a non-silver containing light-insensitive layer, said light-sensitive or light-insensitive layer containing a polymer compound comprising a heterocycle unit derived from: (a) a heterocycle monomer (1) comprising two or more annulated rings containing, in total, a minimum of three ring heteroatoms of which no more than two of the heteroatoms are connected in sequence to each other and (2) having a ClogP less than 6.2; or (b) a monocyclic heterocycle monomer having exactly three ring heteroatoms and having a ClogP less than 8.75; with the proviso that the heterocycle unit does not contain a hydroxy or mercapto group (or their tautomeric equivalent), and does not react with oxidized developer; and the amount of the polymer compound in the element being sufficient to increase the photographic speed of the element compared to the same element without the compound.Type: GrantFiled: March 31, 2000Date of Patent: November 13, 2001Assignee: Eastman Kodak CompanyInventors: Philip A. Allway, Tienteh Chen, David S. Ross, Stephen P. Singer
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Patent number: 6316178Abstract: Disclosed is a silver halide emulsion comprising gold-sensitized silver halide grains having a silver chloride content of 95 mole % or more, wherein from 8% to 50% of the amount of gold existing on the part of the silver halide grains is in the state of metal gold. The silver halide emulsion is an emulsion having a high silver chloride content that has high sensitivity and low fogging, and reduced both high illumination intensity reciprocity law failure and regression of latent image in the initial stage after exposure.Type: GrantFiled: November 30, 2000Date of Patent: November 13, 2001Assignee: Fuji Photo Film Co., Ltd.Inventor: Seiji Yamashita
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Patent number: 5994041Abstract: An aqueous-based slurry comprising:a particulate solid substance comprising a weak acid functional group having effective pK.sub.a1 >1 and less than 1% by weight aqueous solubility at pH=pK.sub.a1 ;an aqueous continuous phase at pH<pK.sub.a1 +3;a buffering salt of a weak acid, where the weak acid associated with this buffering salt has pK.sub.a2 and wherepK.sub.a1 -2.ltoreq.pK.sub.a2 ;andwhere the incremental molar ionic strength in the continuous phase of said slurry resulting from said buffering salt is less than 0.04 mol/L is disclosed.Type: GrantFiled: February 6, 1998Date of Patent: November 30, 1999Assignee: Eastman Kodak CompanyInventors: John Texter, Ravi Sharma, David Alan Czekai
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Patent number: 5856057Abstract: A motion picture sound recording chromogenic photographic film element for forming non-neutral images is disclosed comprising a film support bearing at least one silver halide emulsion layer comprising at least one dye-forming coupler which forms a dye which absorbs primarily in the green or red light region of the electromagnetic spectrum upon processing with color negative developer, wherein the element does not comprise a neutral-balanced combination of cyan, magenta, and yellow dye-forming couplers.Type: GrantFiled: May 5, 1997Date of Patent: January 5, 1999Assignee: Eastman Kodak CompanyInventors: Vicky Sinn, Richard C. Sehlin, Mitchell J. Bogdanowicz, Patricia R. Greco, Gary N. Barber
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Patent number: 5691130Abstract: A color recording photographic element is disclosed containing a support and, superimposed on the support, blue, green and red recording layer units. The layer unit nearest the support contains a high chloride tabular grain emulsion and an optionally esterified glycolic ether having a molecular weight of at least 300 and containing at least one thioether moiety. The layer unit farthest from the support is free of the optionally esterified glycol compound. The advantages realized are an increased imaging density range, increased sensitivity, and increased contrast.Type: GrantFiled: November 28, 1995Date of Patent: November 25, 1997Assignee: Eastman Kodak CompanyInventors: Lois Ann Buitano, Richard Peter Szajewski
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Patent number: 5604079Abstract: There is described a photographic system wherein development of an exposed photosensitive element is carried out in the presence of an acylpyridine-N-oxide compound.Type: GrantFiled: May 14, 1996Date of Patent: February 18, 1997Assignee: Polaroid CorporationInventors: Michael P. Filosa, Edward D. Kingsley, Kenneth C. Waterman
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Patent number: 5573903Abstract: A silver halide photographic material having the improved storability and anti-stress property is disclosed, which comprises a support having provided thereon at least one light-sensitive silver halide emulsion layer containing a silver halide emulsion, wherein the silver halide emulsion is subjected to a chemical sensitization with a selenium compound, and the emulsion layer or another layer provided on the support contains at least one of the compounds represented by formulas (I), (II) and (III): ##STR1## wherein R.sub.11 to R.sub.16, R.sub.21 to R.sub.26, R.sub.1 and R.sub.2 are defined in the specification.Type: GrantFiled: March 13, 1995Date of Patent: November 12, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Seiji Yamashita, Tetsuro Kojima, Hiroyuki Mifune, Mikio Ihama, Hirotomo Sasaki
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Patent number: 5543278Abstract: An infrared sensitive silver halide photographic element is disclosed comprising a support and at least one silver halide emulsion layer spectrally sensitized to the infrared portion of the electromagnetic spectrum. In particular, an infrared sensitive color photographic element, capable of providing full color images without exposure to corresponding visible radiation, is disclosed, said element comprising at least three silver halide emulsion layers on a substrate, each associated with different photographic color image forming materials, such as color couplers capable of forming dyes of different colors upon reaction with an oxidized color photographic developer, diffusing dyes, bleachable dyes, or oxidized leuco dyes. The three emulsion layers are sensitized to three different portions of the electromagnetic spectrum with at least two layers sensitized to different regions of the infrared region of the electromagnetic spectrum.Type: GrantFiled: January 18, 1991Date of Patent: August 6, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Marco Bucci, Ivano Delprato, Giorgio Spazzapan
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Patent number: 5541050Abstract: A silver halide color photographic light-sensitive material having at least one light-sensitive silver halide emulsion layer formed on a support containing light-sensitive silver halide grains which have been chemically sensitized by at least one of a selenium sensitizer, a gold sensitizer and a sulfur sensitizer and at least one of the layers of the material contains a compound represented by the following formula (I) and/or a compound represented by the following formula (II) in which A is a coupler residue or a redox group, L.sub.1 and L.sub.3 are divalent timing groups, L.sub.2 is a timing group with a valency of 3 or more, PUG is a photographically useful group, j and n are integers, each of 0 to 2, m is 1 or 2, s is 2 or a greater integer obtained by subtracting 1 from the valence of L.sub.2, L.sub.4 is --OCO-- group, and L.sub.5 is a group which releases PUG by electron transfer along a conjugated system.Formula (I)A'--(L.sub.1).sub.j --(L.sub.2).sub.m --[(L.sub.3).sub.n --PUG].sub.8Formula (II)A--L.Type: GrantFiled: August 10, 1994Date of Patent: July 30, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiji Mihayashi, Mikio Ihama
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Patent number: 5534399Abstract: A silver halide color photographic photosensitive material is disclosed, comprising a support having thereon at least one hydrophilic colloid layer, at least one layer of which is a photosensitive silver halide emulsion layer. At least 50% of the total projected area of the silver halide grains constituting the at least one silver halide emulsion layer is accounted for by tabular grains having an average aspect ratio of at least 2:1, and a yellow colored cyan coupler is contained in at least one hydrophilic colloid layer.Type: GrantFiled: October 25, 1994Date of Patent: July 9, 1996Assignee: Fuji Photo Film Co., Ltd.Inventor: Keiji Mihayashi
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Patent number: 5478711Abstract: A photographic element comprising a support having located thereon at least one silver halide emulsion layer, the emulsion layer containing a development accelerator and a release compound that provides a non-imagewise distribution of a development inhibitor moiety. The release compound is characterized in that it comprises a blocking group from which the development inhibitor moiety is released.Type: GrantFiled: May 27, 1994Date of Patent: December 26, 1995Assignee: Eastman Kodak CompanyInventors: Keath T. Chen, John V. Nelson, David A. Dickinson, Thomas R. Welter
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Patent number: 5476759Abstract: A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer is disclosed, wherein said light-sensitive material contains a DIR coupler represented by formula (I): ##STR1## wherein A represents a coupler residue; R represents an alkyl group having from 1 to 4 carbon atoms or a pyridyl group; and n represents 1 when A represents a phenol type or naphthol type coupler residue, or n represents 0 when A represents other coupler residues, and said emulsion layer contains chemically sensitized silver halide grains which individually have a distinct layer comprising silver iodobromide containing from 7 to 45 mol % of silver iodide and which individually have an overall silver iodide content of more than 4 mol %.Type: GrantFiled: July 28, 1993Date of Patent: December 19, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiji Mihayashi, Seiji Ichijima, Toshio Kawagishi, Naoki Saito, Masuji Motoki
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Patent number: 5462843Abstract: A silver halide material for colour photography, comprising a support, at least one blue-sensitive yellow-coupling silver halide emulsion layer, at least one green-sensitive, magenta-coupling silver halide emulsion layer, and at least one red-sensitive, cyan-coupling silver halide emulsion layer applied to the support and conventional intermediate and protective layers, the emulsion in at least one of the silver halide layers comprising not less than 80 mol-% AgCl and not more than 0.5 mol-% AgI, and the last-mentioned silver halide emulsion is doped with at least one compound of a metal in the groups (a) and (b), where (a) comprises rhodium, iridium, osmium, ruthenium, rhenium and cadmium and (b) comprises gold and platinum. The material has very good development kinetics.Type: GrantFiled: September 20, 1994Date of Patent: October 31, 1995Assignee: Agfa-Gevaert AGInventors: Sieghart Klotzer, Bruno Mucke
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Patent number: 5429913Abstract: Photographic coupler compositions comprise a magenta dye-forming coupler and an alcohol in an amount sufficient to increase the activity of the dye-forming coupler. The alcohol is of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of (a) unsubstituted alkyl and alkenyl groups, (b) alkyl groups containing one or more substitutents selected from the group consisting of aryl groups, alkenyl groups, halogen atoms, alkoxy groups, alkoxy carbonyl groups and acyloxy groups, (c) unsubstituted aryl groups and (d) aryl groups containing one or more substituents selected from the group consisting of alkyl groups, alkoxy groups, alkoxy carbonyl groups and acyloxy groups; and R.sub.2 and R.sub.3 are individually selected from hydrogen and the group of moieties from which R is selected, provided that the total number of carbon atoms contained in R.sub.1, R.sub.2 and R.sub.3 is at least 10.Type: GrantFiled: August 30, 1993Date of Patent: July 4, 1995Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, Edward Schofield
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Patent number: 5415980Abstract: A method of forming a photographic image comprising imagewise exposing a silver halide color photographic material comprising a support having thereon a cyan color image forming layer, a magenta color image forming layer and an yellow color image forming layer, wherein the cyan color image forming layer in the photographic material contains silver halide emulsion grains having a silver chloride content of 95 mol % or more and containing substantially no silver iodide and contains a color sensitizing dye of the following general formula (I), ##STR1## wherein the terms are as defined in the specification and color developing the exposed material with a color developer, wherein the color developer has a chloride ion content of from 3.5.times.10.sup.-2 to 1.5.times.10.sup.-1 mol/liter and a bromide ion content of from 1.5.times.10.sup.-5 to 1.0.times.10.sup.-3 mol/liter.Type: GrantFiled: March 25, 1994Date of Patent: May 16, 1995Assignee: Fuji Photo Film Co., Ltd.Inventor: Naoto Ohshima
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Patent number: 5397691Abstract: A silver halide color photo-graphic light-sensitive material having an excellent performance in a rapid processing and color reproduction and providing a stable photographic performance against a composition change in a processing solution is disclose, which comprises a support and provided thereon a photographic constitutional layer comprising each at least one layer of a light-sensitive silver halide emulsion layer containing a yellow dye-forming coupler, a light-sensitive silver halide emulsion layer containing a magenta dye-forming coupler, and a light-sensitive silver halide emulsion layer containing a cyan dye-forming coupler, and at least one non-light-sensitive layer, wherein the above silver halide emulsion layer containing the cyan dye-forming coupler contains (i) at least one of specific pyrroloazole cyan couplers, and (ii) (a) silver bromochloride grains having a silver chloride content of 90 mole % or more or silver chloride grains, each chemically sensitized with a gold compound or (b) silver brType: GrantFiled: May 28, 1993Date of Patent: March 14, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Kiyohito Takada, Kentaro Okazaki
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Patent number: 5376508Abstract: Disclosed is a method for forming a silver halide color photographic image comprising:exposing a silver halide color photographic light-sensitive material for photographing which comprises a support and provided thereon at least one blue-sensitive silver halide emulsion layer (B layer), at least one green-sensitive silver halide emulsion layer (G layer) and at least one red-sensitive silver halide emulsion layer (R layer) to light to obtain a latent image; processing said latent image to obtain a color negative image;printing said color negative image on a silver halide color photographic light-sensitive material for printing which comprises a support and provided thereon a yellow color-forming layer (Y layer), a magenta color-forming layer (M layer) and a cyan color-forming layer (C layer) to obtain a color photographic image; wherein:(A) the spectral sensitivity distribution of the G layer S.sub.G (.lambda.) has a maximum value at a certain point .lambda..sub.Type: GrantFiled: September 20, 1993Date of Patent: December 27, 1994Assignee: Konica CorporationInventors: Yoshitaka Yamada, Satoru Shimba, Hiroshi Shimazaki
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Patent number: 5356768Abstract: Light-sensitive silver halide color photographic elements comprising a silver halide photographic emulsion layer including a) at least one 2,5-diacylamino phenol cyan coupler dissolved in low-boiling water-immiscible organic solvent droplets dispersed in said emulsion layer in reactive association with at least one non-ionic surfactant compound having a HLB higher than 20 and at least one anionic surfactant compound and b) at least one cationic carbocyanine spectral sensitizing dye.Type: GrantFiled: June 10, 1993Date of Patent: October 18, 1994Assignee: Minnesota Mining and Manufacturing CompanyInventors: Walter Bertramini, Agostino Baldassarri
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Patent number: 5354649Abstract: A color photographic silver halide material in which at least one silver halide emulsion consists of 85 to 99 mol-% AgCl, 1 to 10 mol-% AgI and 0 to 5 mol-% AgBr has high sensitivity (camera sensitivity) and can be developed in at most 120 s.Type: GrantFiled: August 4, 1993Date of Patent: October 11, 1994Assignee: Agfa Gevaert AktiengesellschaftInventors: Peter Bell, Jurgen Haekel, Cuong Ly, Reinhart Matejec, Ralf Wichmann
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Patent number: 5330887Abstract: A silver halide color photographic material comprising a support having on one side thereof at least one silver halide emulsion layer corresponding to each of the colors cyan, magenta, and yellow in which each of the colors cyan, magenta and yellow, respectively, are formed, wherein the layer which forms a magenta color is a green sensitive layer comprising (A) at least one coupler represented by formula (I) or formula (II) below ##STR1## wherein R.sub.1, R.sub.2, R'.sub.2 and X are as defined in the above specification and (B) silver halide grains which have been spectrally sensitized in such a way that they have a peak sensitivity between 540 nm and 555 nm by at least one spectrally sensitizing dye represented by the formulae (A), (B) and (C) below ##STR2## wherein W.sub.1, W.sub.2, V.sub.1, V.sub.2, V.sub.3, V.sub.4, V.sub.5, V.sub.6, R.sub.21, R.sub.22, R.sub.23, R.sub.24, R.sub.25, R.sub.26, R.sub.27, R.sub.28, R.sub.29, Y, X.sub.1, X.sub.2, X.sub.Type: GrantFiled: June 23, 1992Date of Patent: July 19, 1994Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazunori Hasebe, Kiyoshi Nakazyo
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Patent number: 5264335Abstract: A color photographic recording material is described which comprises a silver halide emulsion layer containing a coupler compound capable of releasing a development accelerator or fogging agent and which material also contains silver halide grains which are more developable than the grains in the silver halide emulsion layer.Type: GrantFiled: July 14, 1992Date of Patent: November 23, 1993Assignee: Eastman Kodak CompanyInventors: Peter J. Twist, John R. Jarvis
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Patent number: 5264332Abstract: There is disclosed a silver halide color photographic material containing a support having thereon three color-forming layers, which comprises, in said color-forming silver halide emulsion layers, high-silver-chloride grains, silver halide grains in the cyan color-forming layer being spectrally sensitized with a red-sensitive sensitizing dye having a prescribed reduction potential, and/or, in the cyan color-forming layer, an oil-soluble cyan coupler that cause coupling reaction with the oxidized product of an aromatic primary amine developing-agent to form a nondiffusible dye, a compound represented by formula (I) or (II), and a compound represented by formula (II) or (IV). ##STR1## wherein R.sub.1 and R.sub.3 each represent a hydrogen atom, an alkyl group, or a halogen atom, R.sub.2, R.sub.4, R.sub.5, R.sub.7, and R.sub.Type: GrantFiled: October 8, 1991Date of Patent: November 23, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Shigeaki Otani, Hiroyuki Yoneyama
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Patent number: 5260176Abstract: A method of forming a color image on a silver halide color photographic light-sensitive material having at least one silver halide emulsion layer provided on a reflective support, which does not substantially contain silver iodide and which contains silver chlorobromide or silver chloride grains having a silver chloride content of at least 95 mol %, said grains containing at least one metal ion consisting of a group 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 at least 10.sup.-9 mol per mol of silver halide, comprising exposing said photographic material by means of a scanning exposure using an image signal formed by scanning an original image and thereafter continuously processing said photographic material with a color developer substantially not containing benzyl alcohol, wherein the amount of the replenisher to the developer is 200 ml or less per m.sup.2 of the photographic material processed thereby.Type: GrantFiled: January 8, 1992Date of Patent: November 9, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Shigeaki Otani, Yoji Okazaki
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Patent number: 5238779Abstract: Silver halide photographic elements which are capable of high-contrast development and are especially useful in the field of graphic arts comprise surface latent image forming high-chloride silver halide grains and have incorporated therein a hydrazine compound which functions as a nucleator, an amino compound which functions as an incorporated booster, and a benzimidazolocarbocyanine sensitizing dye that provides enhanced photographic sensitivity yet leaves substantially no sensitizing dye stain after rapid access processing.Type: GrantFiled: July 25, 1991Date of Patent: August 24, 1993Assignee: Eastman Kodak CompanyInventors: Anthony Adin, Linda J. Knapp, Steven G. Link
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Patent number: 5187053Abstract: A silver halide color photographic material comprising a support having thereon at least three silver halide emulsion layers which have different color sensitivities from each other, wherein at least one of the silver halide emulsion layers contains at least one magenta coupler represented by general formula (I) shown below, at least one of the silver halide emulsion layers contains at least one compound represented by general formula (II) shown below, at least one of the silver halide emulsion layers contains at least one compound represented by general formula (III) shown below and the pH of the layers of the silver halide color photographic material is from 5.0 to 6.5: ##STR1## wherein R.sup.1, X, Za, Zb, Zc, Q, M, Z, R.sub.4, R.sub.5, V.sub.1, V.sub.2, V.sub.3, V.sub.4, V.sub.5, V.sub.6, B.sub.7, V.sub.8, and X.sub.n are defined in the specification.Type: GrantFiled: November 15, 1989Date of Patent: February 16, 1993Assignee: Fuji Photo Film Co., Ltd.Inventor: Yasuhiro Hayashi
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Patent number: 5180659Abstract: A photosensitive silver halide photographic material having a support and provided thereon, photographic component layers including at least one silver halide emulsion layer is disclosed. At least one silver halide emulsion layer comprises silver halide grains having silver chloride content of not less than 90 mol %; at least one of the photographic component layers comprises a specific dye excellent in decolorization and capable of improving sharpness; at least one silver halide emulsion layer comprises a mercapto compound for improving aging stability of silver halide emulsions; a photographic component layer is hardened with cyanuric chloride series hardeners for improving fog.Type: GrantFiled: July 23, 1991Date of Patent: January 19, 1993Assignee: Konica CorporationInventors: Kazuhiro Murai, Shun Takada
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Patent number: 5153110Abstract: A method of forming colored images by exposing and then developing a silver halide color photographic photosensitive material which has a blue sensitive silver halide emulsion layer, a green sensitive silver halide emulsion layer and a red sensitive silver halide emulsion layer on a support. In the method, silver halide grains which have a silver bromide containing phase of which the silver bromide content is from 10 to 60 mol % localized at the surface or within the grains, and in which from 95 to 99.5 mol % (average value) of the grains as a whole in the emulsion layer consists of silver chloride, the remainder consisting of substantially silver iodide free silver bromide, are included in at least one of the green sensitive and red sensitive silver halide emulsion layers. The material is subjected to a scanning exposure with blue light, green light and red light.Type: GrantFiled: February 12, 1992Date of Patent: October 6, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Kiyoshi Kawai, Yoji Okazaki
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Patent number: 5147770Abstract: A silver halide color photographic material is disclosed. The photographic material comprises a support having provided thereon at least one silver halide emulsion layer wherein silver halide grains comprise monodisperse silver chlorobromide containing at least 2 mol % of silver chloride and having an area ratio of crystal face of Mirror indeces (100) satisfying the relationship:5.0.ltoreq.K.ltoreq..infin.wherein K represents the ratio of the intensity of diffracted rays attributable to (200) face to that of diffracted rays attributable to (222) face determined by X-ray diffraction analytical method, represented by: ##EQU1## and wherein said silver halide color photographic material contains at least one dye represented by the formula (II): ##STR1## wherein n, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and L are as defined above.Type: GrantFiled: December 30, 1991Date of Patent: September 15, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Kokichi Waki, Shigeru Ohno
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Patent number: 5126235Abstract: A full color recording material comprising a support having thereon at least three silver halide photosensitive emulsion layers which contain respectively couplers which form yellow, magenta and cyan colorations and which are sensitive to light of different wavelength regions, at least two of the said layers being spectrally sensitized selectively to match laser light beams of wavelengths of at least 670 nm, wherein the at least two layers aforementioned contain at least one type of crosslinking type spectrally sensitizing dye.Type: GrantFiled: March 22, 1990Date of Patent: June 30, 1992Assignee: Fuji Photo Film Co., Ltd.Inventor: Takanori Hioki
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Patent number: 5118593Abstract: A method of color image formation is disclosed, comprising imagewise exposing a color photographic light-sensitive material comprising a reflective support having provided thereon at least one light-sensitive layer containing a color coupler capable of forming a color image upon coupling with an oxidation product of an aromatic primary amine developing agent and a silver halide emulsion, and processing the exposed light-sensitive material with a color developing solution containing substantially no benzyl alcohol within a development time of 2 minutes and 30 seconds, wherein said processing is carried out in the pressence of at least one compound represented by formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 each represents a hydrogen atom, a hydroxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, an acyl group, or a sulfonyl group; or R.sup.1 and R.sup.2, or R.sup.3 and R.sup.Type: GrantFiled: September 19, 1991Date of Patent: June 2, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Kokichi Waki, Shigeo Hirano
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Patent number: 5108877Abstract: A method for forming a color image is described, using an image-wise exposed silver halide color photographic material comprising, a reflective support having thereon at least one silver halide emulsion layer containing at least one coupler that forms a dye by means of a coupling reaction with the oxidation product of an aromatic primary amine developing agent and silver halide grains comprising silver bromochloride containing not less than 90 mol % silver chloride and substantially not containing silver iodide, said silver halide grains having a localized silver bromide phase having a silver bromide content of not less than 20 mol % and being chemically sensitized at the surface thereof to provide substantially surface latent image type grains, comprising developing the light-sensitive material with a color developing solution containing from 3.5.times.10.sup.-2 to 1.5.times.10.sup.-1 mol/l of chloride ions and from 3.0.times.10.sup.-5 to 1.0.times.10.sup.-3 mol/l of bromide ions.Type: GrantFiled: April 9, 1991Date of Patent: April 28, 1992Assignee: Fuji Photo Film Co., Ltd.Inventor: Masahiro Asami
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Patent number: 5093226Abstract: A method for forming an image of a silver halide color photograph, which comprises processing a silver halide color photographic material with a color developing solution containing at least one aromatic primary amine color developing agent, comprises: processing a silver halide color photographic material having at least one layer containing a compound represented by formula (S) and a silver halide emulsion comprising at least 80 mol % of silver chloride with a color developing solution containing chlorine ion in an amount of 3.5.times.10.sup.-2 to 1.5.times.10.sup.-1 mol/l and bromine ion in an amount of 3.0.times.10.sup.-5 to 1.0.times.10.sup.-3 mol/l: ##STR1## wherein Z.sub.1 represents a nitrogen atom, an oxygen atom, a sulfur atom or a selenium atom; Z.sub.2 represents an oxygen atom, a sulfur atom or a selenium atom; L.sub.1, L.sub.2, L.sub.3, L.sub.4 and L.sub.5 each represents a methine group which may be optionally substituted or may be combined together with another methine group to form a ring; R.Type: GrantFiled: October 3, 1989Date of Patent: March 3, 1992Assignee: Fuji Photo Film Co., Ltd.Inventor: Naoto Ohshima
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Patent number: 5089382Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, wherein in at least one silver halide emulsion layer contains a compound represented by the following general formula (I) ##STR1## wherein Z represents an oxygen atom or a sulfur atom; R.sub.101 and R.sub.102, which may be the same or different, represent each an alkyl group and at least one of R.sub.101 and R.sub.102 is a butyl group, a pentyl group, a hexyl group, a heptyl group or an octyl group; V.sub.1, V.sub.2, V.sub.3, V.sub.4, V.sub.5, V.sub.6, V.sub.7 and V.sub.8, which may be the same or different, each represent a hydrogen atom, a halogen atom, an alkyl group, an acyl group, an acyloxy group, an alkoxycarbonyl group, a carbamoyl group, a sulfamoyl group, a carboxyl group, a cyano group, an alkoxy group, an alkylthio group, an alkylsulfonyl group, a sulfo group or an aryl group; of V.sub.1 to V.sub.Type: GrantFiled: October 17, 1989Date of Patent: February 18, 1992Assignee: Fuji Photo Film Co., Ltd.Inventor: Nobuo Sakai
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Patent number: 5081006Abstract: A silver halide photographic light-sensitive material comprising a support having thereon a yellow coupler-containing silver halide emulsion layer, a magenta coupler-containing silver halide emulsion layer and a cyan coupler-containing silver halide emulsion layer, wherein at least one of said silver halide emulsion layers contains silver halide grains having a silver chloride content of not less than 80 mol %, at least one of the sensitizing dyes represented by the following Formula [I] and at least one of the sensitizing dyes represented by the following Formula [II]; and said cyan coupler-containing silver halide emulsion layer contains at least one of the cyan couplers represented by the following Formula [III]: ##STR1##Type: GrantFiled: September 5, 1990Date of Patent: January 14, 1992Assignee: Konica CorporationInventors: Shigeo Tanaka, Masahiro Shibuya