Substituted At Coupling Position With Other Than Hydrogen Patents (Class 430/553)
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Patent number: 5654132Abstract: A photographic element comprises a light-sensitive silver halide emulsion layer having associated therewith a cyan dye forming coupler having the formula: ##STR1## wherein: X represents hydrogen or a coupling-off group bonded to the coupling position of the coupler and capable of being split off by an oxidized color developer; andR represents an aliphatic or aromatic substituent group. The element provides improved hue of the cyan dye formed from the coupler upon coupling.Type: GrantFiled: May 10, 1996Date of Patent: August 5, 1997Assignee: Eastman Kodak CompanyInventors: Philip T.S. Lau, Stanley Wray Cowan
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Patent number: 5630927Abstract: A silver halide color light-sensitive material is disclosed which contains a compound capable of reacting with an oxidation product of a developing agent to release a photographically useful group, preferably a development inhibitor. The coupling product of the compound is dissolved into a processing solution when subjected to development processing, and, therefore, forms no substantial color image. The light-sensitive material shows improvements in sharpness, graininess, color reproducibility, and storage stability.Type: GrantFiled: April 8, 1994Date of Patent: May 20, 1997Assignee: Fuji Photo Film Co., Ltd.Inventors: Toshio Kawagishi, Kensuke Morita, Yoshio Ishii, Keiji Mihayashi
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Patent number: 5616446Abstract: Disclosed is a silver halide photographic light-sensitive material comprising a support having on one side thereof hydrophilic colloid layers including a silver halide emulsion layer, wherein at least one of the hydrophilic colloid layers contains a redox compound having at least one carbonyl group, wherein said redox compound is capable of being oxidized with an oxidized product of a developing agent in a photographic processing so as to release a development inhibitor, and wherein said redox compound satisfies the following Formulae 1 through 3:Formula 1development inhibitor releasing rate (%) under a condition (A).gtoreq.4.5,Formula 2development inhibitor releasing rate (%) under a condition (B)<15.0,Formula 3development inhibitor releasing rate (%) under a condition (A)>development inhibitor releasing rate (%) under condition (B).Type: GrantFiled: September 26, 1995Date of Patent: April 1, 1997Assignee: Konica CorporationInventors: Norio Miura, Tawara Komamura, Seiji Hidaka, Takeo Arai
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Patent number: 5614357Abstract: The invention provides a photographic element comprising a light sensitive silver halide emulsion layer having associated therewith a cyan coupler represented by formula (I): ##STR1## wherein: R.sub.3 represents an alkyl group of 2 to 15 carbon atoms;R.sub.4 and R.sub.5 each independently represents a hydrogen atom, an alkyl group or an aryl group;R.sub.6 represents an alkyl or aryl group;X represents a halogen atom; andZ represents a hydrogen atom or a group capable of being split off by oxidized color developer.Type: GrantFiled: June 10, 1996Date of Patent: March 25, 1997Assignee: Eastman Kodak CompanyInventors: Philip T. S. Lau, Stanley W. Cowan
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Patent number: 5605786Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon at least one hydrophilic colloid layer, wherein at least one of said hydrophilic colloid layer(s) is a silver halide light-sensitive emulsion layer and wherein at least one of said hydrophilic colloid layer(s) contains a coupler represented by formula (1): ##STR1## wherein R represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; T represents a divalent linking group bonded to the --O--CO-- group via an atom other than a carbon atom; n represents 0, 1 or 2; and ETA represents a group functioning as an electron transfer agent after cleavage from --O--CO--(T).sub.n.Type: GrantFiled: April 4, 1995Date of Patent: February 25, 1997Assignee: Fuji Photo Film Co., Ltd.Inventors: Naoki Saito, Toshihiro Nishikawa
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Patent number: 5597679Abstract: A silver halide color photographic light-sensitive material is disclosed which comprises a support having thereon, in any order, at least one yellow generating light-sensitive silver halide emulsion layer, at least one magenta generating light-sensitive silver halide emulsion layer, and at least one cyan generating light-sensitive silver halide emulsion layer, wherein at least one of the magenta generating light-sensitive silver halide emulsion layer contains at least one dye-forming coupler represented by a specific formula (M-I), and at least one of the yellow generating light-sensitive silver halide emulsion layer contains at least one dye-forming coupler represented by a specific forrmula (Y-I). This material can be used, for example, as a material suitable for quick developing material.Type: GrantFiled: April 19, 1995Date of Patent: January 28, 1997Assignee: Fuji Photo Film Co., Ltd.Inventor: Yasuhiro Yoshioka
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Patent number: 5597684Abstract: A silver halide color photographic light sensitive material comprising a support having thereon a silver halide emulsion layer containing a cyan coupler represented by formula (I). The photographic material may further contain a cyan coupler represented by formula (II) or (III).Type: GrantFiled: November 27, 1995Date of Patent: January 28, 1997Assignee: Konica CorporationInventors: Satoru Ikesu, Yutaka Kaneko
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Patent number: 5585227Abstract: A silver halide color photographic light-sensitive material has, 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 blue-sensitive silver halide emulsion layer contains a specified acylacetamide type yellow dye-forming coupler. The red-sensitive silver halide emulsion layer contains a specified phenol type cyan coupler.Type: GrantFiled: November 12, 1993Date of Patent: December 17, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshio Ishii, Yasuhiro Yoshioka
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Patent number: 5585230Abstract: Dispersions comprising particles of a phenolic cyan photographic coupler of Formula I dispersed in an aqueous gelatin solution substantially free of permanent organic solvent demonstrate improved stability to dispersion crystallization. ##STR1## R.sub.1 and R.sub.2 in Formula I each represent an aliphatic group, an aromatic group, or a heterocyclic group. R.sub.3 represents a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, an acylamino group, or a non-metallic atomic group necessary to form a nitrogen-containing 5-membered or 6-membered ring together with R.sub.2. X represents a hydrogen atom or a group capable of being released upon a coupling reaction with oxidation product of a developing agent, and n represents 0 or 1.Type: GrantFiled: March 23, 1995Date of Patent: December 17, 1996Assignee: Eastman Kodak CompanyInventors: Paul L. Zengerle, Allan F. Sowinski, Ronda E. Factor
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Patent number: 5576165Abstract: A silver halide color photographic material having improved stability with respect to fog and latent images, which contains at least one compound of formula (A) and at least one polymer having repeating units of formula (I) or (II): ##STR1## wherein R.sub.a1 to R.sub.a5 are as defined in the specification ##STR2## wherein R.sup.1 represents a hydrogen atom or an alkyl group; and Q represents a group selected from the group consisting of groups represented by formulae 1) to 4): ##STR3## (wherein the definitions of each symbols are the same as in the application) ##STR4## wherein E represents --COR.sub.21, --COOR.sub.22, --CONHR.sub.23, --CONHCOR.sub.24 or --SO.sub.2 R.sub.25 (wherein R.sub.21, R.sub.22, R.sub.23, R.sub.24 and R.sub.25 each represents an alkyl, aryl or cycloalkyl group, or a hydrogen atom); and G represents an alkylene group.Type: GrantFiled: January 17, 1996Date of Patent: November 19, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Yasushi Nozawa, Masakazu Morigaki
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Patent number: 5576127Abstract: A process for producing a color filter is disclosed, which comprises the steps of (a) pattern-exposing a light-sensitive material comprising a light-transmitting substrate having thereon at least three silver halide emulsion layers, and (b) subjecting the exposed light-sensitive material to color development processing, bleaching and fixing processing, and washing processing, wherein the at least three silver halide emulsion layers (i) comprise a layer containing at least a cyan coupler, a layer containing at least a magenta coupler and a layer containing at least a yellow coupler and (ii) have different color sensitivity; and the cyan coupler is a compound represented by the following formula (I): ##STR1## A color filter produced by the above-described process is also disclosed.Type: GrantFiled: April 20, 1995Date of Patent: November 19, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Hiroyuki Hirai, Kozo Sato
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Patent number: 5545513Abstract: A multilayered color photographic element contains a support having coated thereon photographic silver halide emulsion layers including at least three layers each having the same spectral sensitivity but having, respectively, the most, mid, and least light sensitivity wherein the most and mid sensitive layers are contiguous and the most sensitive layer is extremely starved of image dye-forming coupler.Type: GrantFiled: June 11, 1993Date of Patent: August 13, 1996Assignee: Eastman Kodak CompanyInventor: Larry D. Edwards
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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: 5523199Abstract: A photographic element and imaging process employ a light-sensitive silver halide emulsion layer having associated therewith a magenta azine dye-forming coupler which is a phenol having(1) an acylamino group in the 2-position wherein the amino nitrogen contains a substituent which is an aliphatic or aromatic group;(2) hydrogen or a coupling-off group in the 4-position; and(3) a sulfonamido group in the 5-position.Type: GrantFiled: December 6, 1994Date of Patent: June 4, 1996Assignee: Eastman Kodak CompanyInventors: Philip T. S. Lau, Rakesh Jain
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Patent number: 5521057Abstract: Photographic elements comprising certain 2-phenylcarbamoyl-1-naphthol image-modifying couplers exhibit proper hue, a resistance to dye crystallization, and a resistance to leuco cyan dye formation. Such couplers can be utilized for their image-modifying effect and can contribute substantially to the overall dye density of an image.Type: GrantFiled: July 28, 1993Date of Patent: May 28, 1996Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, Jerrold N. Poslusny, Ronald E. Leone, David A. Steele
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Patent number: 5518870Abstract: A silver halide color photographic 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 each silver halide emulsion layer contains silver halide grains having a silver chloride content of not lower than 90 mol %, a yellow coupler in said yellow coupler-containing silver halide emulsion layer is coated in an amount of at least 1.1 mmol/m.sup.2, oil/coupler ratio by weight in the yellow coupler-containing silver halide emulsion layer is 0.32 or less and the magenta coupler-containing layer contains at least one magenta coupler represented by the following general formula (I): ##STR1## wherein R.sup.1 and R.sup.Type: GrantFiled: May 25, 1995Date of Patent: May 21, 1996Assignee: Fuji Photo Film Co., Ltd.Inventor: Yoshio Sakakibara
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Patent number: 5514530Abstract: Photographic elements comprising certain 2-phenylcarbamoyl-1-naphthol image-modifying couplers exhibit proper hue, a resistance to dye crystallization, and a resistance to leuco cyan dye formation. Such couplers can be utilized for their image-modifying effect and can contribute substantially to the overall dye density of an image.Type: GrantFiled: July 28, 1993Date of Patent: May 7, 1996Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, Jerrold N. Poslusny, Melvin M. Kestner, Ronald E. Leone, David A. Steele
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Patent number: 5510235Abstract: Photographic elements comprising certain 2-phenylcarbamoyl-1-naphthol couplers exhibit proper hue, a resistance to dye crystallization, and a resistance to leuco cyan dye formation. Such couplers can be utilized for their image-modifying effect and can contribute substantially to the overall dye density of an image.Type: GrantFiled: July 28, 1993Date of Patent: April 23, 1996Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, Jerrold N. Poslusny, Daniel L. Kapp, John R. Ross
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Patent number: 5508148Abstract: A photographic element comprises a light sensitive silver halide emulsion layer having associated therewith a cyan dye-forming coupler dispersed in an organic solvent, the coupler having the formula: ##STR1## wherein A, B, and C are hydrogen or fluoride;X is selected from the group consisting of halogen, alkoxy and methyl groups;R is an aromatic or aliphatic group and n is 1 or 2;R' is a substituent group and m is from 0 to 4;COG is hydrogen or a coupling-off group capable of being split-off by an oxidized color developer; andwherein the substituent groups X, R, and R' are selected so as to ballast the coupler and keep it from wandering within the photographic elements.Type: GrantFiled: December 19, 1994Date of Patent: April 16, 1996Assignee: Eastman Kodak CompanyInventors: Philip T. S. Lau, Thomas H. Jozefiak, Thomas R. Welter
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Patent number: 5506094Abstract: Photographic elements comprising certain 2-phenylcarbamoyl-1-naphthol image-modifying couplers exhibit proper hue, a resistance to dye crystallization, and a resistance to leuco cyan dye formation. Such couplers can be utilized for their image-modifying effect and can contribute substantially to the overall dye density of an image.Type: GrantFiled: July 28, 1993Date of Patent: April 9, 1996Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, Jerrold N. Poslusny, Melvin M. Kestner, Ronald E. Leone, David A. Steele
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Patent number: 5500330Abstract: A photographic element comprises at least three light sensitive silver halide layers spectrally sensitized to the same region of the electromagnetic spectrum wherein the least sensitive such layer, or a nonsensitive layer adjacent thereto, comprises a compound which contains a releasable thiol fragment or a precursor thereof wherein:A. the amount of the thiol-containing compound or precursor contained in such layers is both sufficient to increase the extent of silver bleaching during bleaching and is greater than the amount contained in any of the more sensitive layers of the same sensitivity; andB. the thiol fragment contains a sulfur atom which is not directly bonded to an aromatic atom and contains a water-solubilizing group.Type: GrantFiled: July 1, 1994Date of Patent: March 19, 1996Assignee: Eastman Kodak CompanyInventors: Richard P. Szajewski, Allan F. Sowinski
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Patent number: 5492796Abstract: A silver halide color photographic material having on a support at least one light-sensitive silver halide emulsion layer, wherein the color photogrphic material contains a nondiffusing coupler represented by formula (I):Cp--(LINK).sub.n --N(R.sub.1)--Ar(OR.sub.2)--X (I)wherein Cp represents a coupler residue (residual group) which can undergo coupling reaction with the oxidation product of a color developing agent to release --(LINK).sub.n --N(R.sub.1)--Ar(OR.sub.2)--X; LINK represents a group which can release --N(R.sub.1)--Ar(OR.sub.2)--X after cleavage of bond to Cp; n represents 0 or an integar of 1 or 2, Ar represents an arylene group; X represents an amino group, an alkoxy group or a hydroxyl group; R.sub.1 represents a hydrogen atom or a substituent; and R.sub.Type: GrantFiled: October 26, 1994Date of Patent: February 20, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Masashi Ogiyama, Seiji Ichijima
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Patent number: 5476757Abstract: A photographic element comprises a light sensitive silver halide emulsion layer having associated therewith a cyan dye-forming coupler dispersed in an organic solvent, the coupler having the formula: ##STR1## wherein A, B, and C are hydrogen or fluorine;X is selected from the group consisting of halogen, alkoxy and methyl groups;R is a straight chain aliphatic group which is unsubstituted or substituted with one or members selected from the group consisting of --F, --R", --OR", --SO.sub.2 R", --SO.sub.2 NHR", --CONHR", --COOR", --NHCOR", --NHSO.sub.2 R", and --OCOR" where R" is a primary or secondary alkyl group;R' is a substituent group and m is from 0 to 4;COG is hydrogen or a coupling-off group capable of being split-off by an oxidized color developer; andwherein the substituent groups X, R, and R' are selected so as to ballast the coupler and prevent it from wandering within the photographic coatings.Type: GrantFiled: December 19, 1994Date of Patent: December 19, 1995Assignee: Eastman Kodak CompanyInventors: Philip T. S. Lau, Thomas H. Jozefiak, Thomas R. Welter
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Patent number: 5476758Abstract: Disclosed herein is a silver halide color photographic light-sensitive material which has a specific photographic sensitivity of 320 or more, and which comprises a support layer and silver halide emulsion layers formed thereon. The material has a film thickness of 22 .mu.m or less, measured from the light-sensitive layer closest to the support layer up to the surface of the material facing away from the support layer. At least one of the silver halide emulsion layers contains a spectral sensitizer represented by the following formula (I): ##STR1## In the formula, R.sup.1 and R.sup.2 are alkyl groups, at least one of which at least one carbon atom bonds together with at least three atoms other than hydrogen atoms, X is an anion, p is 0 or 1, k is 0, 1 or 2, L.sub.1 and L.sub.2 are a methyne group or a substituted methyne group, Z.sup.1 and Z.sup.2 are groups of atoms numerous enough to form a 5- or 6-membered nitrogen-containing heterocyclic ring.Type: GrantFiled: June 6, 1994Date of Patent: December 19, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoichi Suga, Masaki Okazaki
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Patent number: 5459022Abstract: A silver halide color photographic material comprises a support having thereon at least one silver halide emulsion layer, a yellow-colored cyan coupler, and a compound capable of releasing a bleaching accelerator or a precursor thereof on reaction with an oxidation product of an aromatic primary amine developing agent.Type: GrantFiled: November 12, 1993Date of Patent: October 17, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshio Ishii, Yoshihiro Fujita, Keiji Mihayashi
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Patent number: 5457008Abstract: The invention provides a photographic element comprising a light-sensitive photographic silver halide emulsion having associated therewith a coupler compound having the formula: ##STR1## wherein X represents a hydrogen atom or a coupling-off group;m is an integer from 0 to 4, n is 1 or 2, and p is an integer from 0 to 4; andA, B, and R each independently represent a substituent group.Type: GrantFiled: December 19, 1994Date of Patent: October 10, 1995Assignee: Eastman Kodak CompanyInventors: Philip T. S. Lau, Thomas H. Jozefiak, Thomas R. Welter
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Patent number: 5455149Abstract: Yellow azomethine dyes of particularly elevated stability are obtained from yellow couplers of the formula I by chromogenic development ##STR1## In formula I Q means a residue to complete a 4-pyrimidone ring;X means a residue which is eliminable on chromogenic development;R.sup.1 means alkyl with 1 to 6 C atoms;R.sup.2 means halogen, --CF.sub.3, alkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, acylamino, sulphonamido, sulphuramido, carbamoyl, alkoxycarbonyl, sulphonyl, sulphamoyl or a heterocyclic residue, wherein two adjacent residues R.sup.2 may complete a ring;n means an integer from 1 to 4.Type: GrantFiled: August 19, 1994Date of Patent: October 3, 1995Assignee: Agfa-Gevaert, AGInventor: Peter Bergthaller
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Patent number: 5451496Abstract: Color photographic materials comprise a substrate bearing a silver halide emulsion and a coupler composition comprising (a) a 2-phenylcarbamoyl-1-naphthol compound selected from the group consisting of development inhibitor releasing couplers and timed development inhibiting releasing couplers, and (b) a phenolic coupler solvent. The phenolic coupler solvent is employed to reduce dye density changes and/or dye hue changes resulting from cold storage of the photographic materials.Type: GrantFiled: March 28, 1994Date of Patent: September 19, 1995Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, Melvin M. Kestner, Paul L. Zengerle
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Patent number: 5429915Abstract: A silver halide color photographic light-sensitive material has red-, green-, and blue-sensitive silver halide emulsion layers, and the red-sensitive emulsion layer contains a cyan coupler and a yellow coupler with a relative coupling rate of 0.7 to 3.0 with respect to the cyan coupler. In addition, at least one layer may contain a specific DIR compound, the average silver iodide content of a silver halide emulsion contained in the red-sensitive silver halide emulsion may be higher than that of a silver halide emulsion contained in the green-sensitive silver halide emulsion layer, or at least one layer may contain a monodisperse silver halide grain emulsion with a grain diameter/grain thickness ratio of 2 to 8.Type: GrantFiled: October 13, 1993Date of Patent: July 4, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshihiko Shibahara, Kei Sakanoue
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Patent number: 5415989Abstract: Magenta dye images with excellent stability to light are obtained with a color photographic recording material which contains, associated with a light-sensitive silver halide emulsion layer, at least one magenta coupler corresponding to formula I and at least one compound corresponding to formula II.Type: GrantFiled: February 22, 1994Date of Patent: May 16, 1995Assignee: Agfa-Givaert AGInventors: Erich Wolff, Dieter Lowski
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Patent number: 5399467Abstract: Novel photographic silver halide materials contain dye-forming couplers represented by formula (I): ##STR1## wherein K is a coupler moiety based on pyrazolone, phenol, naphthol, enamine, or acylacetamide to which the ballast group is attached, are useful in photographic materials and processes. The containing the couplers exhibit increased coupling activity, and provide formation of dyes having improved maximum magenta image dye density, contrast, and development speed.Type: GrantFiled: October 29, 1993Date of Patent: March 21, 1995Assignee: Eastman Kodak CompanyInventors: Sundaram Krishnamurthy, Stanley W. Cowan
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Patent number: 5385815Abstract: A photographic element comprising a UV absorbing polymer latex which is loaded with a non-polymeric UV absorbing compound. The polymer is a homopolymer or heteropolymer comprising monomeric units containing a 2-hydroxybenzotriazole. The benzotriazole preferably is of the formula I: ##STR1## wherein: the phenyl ring and benzo ring are optionally additionally substituted; and one of m and n is 1, and M and N have the formula: ##STR2## wherein R3 is H or an alkyl group; L is a bivalent linking group; and p is 0 or 1. The elements may additionally have a polmer present (which is preferably different from the UV absorbing polymer) which has a glass transition temperature (T.sub.g) of less than 5.degree. C.Type: GrantFiled: December 29, 1993Date of Patent: January 31, 1995Assignee: Eastman Kodak CompanyInventors: Edward Schofield, Richard P. Szajewski
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Patent number: 5384235Abstract: A photographic element with particular polymeric ultraviolet absorbers. The ultraviolet absorbers have repeating units of the formula: ##STR1## wherein: X is O or NH;Y is H or halogen;R.sub.1 is selected from the group consisting of H, halogen, alkoxy , straight chain or branched alkyl group of 1 to 8 carbons;R.sub.2 is C.sub.2 -C.sub.10 alkylene which may be straight chain or branched; andR.sub.3 is H or CH.sub.3.Elements of the invention have good fresh Dmin and image dye stability, and the ultraviolet absorbers therein are highly light stable.Type: GrantFiled: July 1, 1992Date of Patent: January 24, 1995Assignee: Eastman Kodak CompanyInventors: Tien-Teh Chen, Edward Schofield, Hwei-Ling Yau, Lal C. Vishwakarma
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Patent number: 5382502Abstract: 8-hydroxyquinoline and 5-hydroxyquinoline compounds of the following formulae: ##STR1## , wherein: R.sub.1 is a substituted or unsubstituted alkyl group with 8 to 30 carbon atoms;R.sub.2 is hydrogen or another substituent;X is a group capable of being released by a coupling reaction with an oxidized aromatic primary amine developing agent; andZ is a nonnucleophilic substituent or a group not capable of being eliminated during or following a coupling reaction with an oxidized color developerhave been found to be useful in photographic materials as cyan dye-forming couplers. A process in which a substituted aminophenol salt reacts with two molar equivalents of an enolizable aldehyde containing at least two a-substituted hydrogen atoms is used to make these couplers and other hydroxyquinoline compounds.Type: GrantFiled: July 23, 1993Date of Patent: January 17, 1995Assignee: Eastman Kodak CompanyInventors: Philip T. S. Lau, Danny R. Thompson, Stanley W. Cowan
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Patent number: 5380638Abstract: There is disclosed a cyan dye-forming coupler represented by the following formula (I) and a silver halide color photographic material containing the same: formula (I) ##STR1## wherein R represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or an aryl group having 6 to 20 carbon atoms, Y represents a group capable of substitution onto a benzene ring, Z represents a group capable of substitution onto a naphthalene ring, X represents a hydrogen atom or a coupling-off group, m is an integer of 0 to 4, and n is an integer of 0 to 4.Type: GrantFiled: October 2, 1992Date of Patent: January 10, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Hiroo Takizawa, Hideotoshi Kobayashi, Hideki Naito
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Patent number: 5378594Abstract: There is disclosed a silver halide color photographic material comprising at least one sparingly water-soluble epoxy compound represented by formula (I), (II), or (III) and a silver halide emulsion layer which comprises high-silver-chloride grains containing metal ions and/or having silver bromide localized phases on the surface thereof, and/or that have been sensitized by a gold compound: ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 each represent a substituted or unsubstituted alkyl group or a halogen atom; L.sup.1 and L.sup.2 each represent a divalent aliphatic group, which may be substituted or unsubstituted; M.sup.1 represents an oxygen atom or a nitrogen atom; A represents a polyvalent linking group; a, b, and c each are an integer of 0 to 4; x and y each are an actual number of 0 to 20; l is 1 or 2; and m represents an integer of 2 to 4.Type: GrantFiled: September 17, 1991Date of Patent: January 3, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Kentaro Okazaki, Naoto Oshima, Kiyoto Takada
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Patent number: 5378593Abstract: Color photographic materials comprise a substrate bearing a silver halide emulsion and a coupler composition comprising (a) a 2-phenylcarbamoyl-1-naphthol compound selected from the group consisting of development inhibitor releasing couplers and timed development inhibiting releasing couplers, and (b) a carbonamide coupler solvent. The carbonamide coupler solvent is employed to reduce dye density changes and/or dye hue changes resulting from cold storage of the photographic materials.Type: GrantFiled: May 22, 1992Date of Patent: January 3, 1995Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, Melvin M. Kestner, Paul L. Zengerle
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Patent number: 5378596Abstract: A silver halide color photographic material comprises a support having provided thereon at least one silver halide emulsion layer containing at least one pyrrolotriazole cyan coupler represented by the following Formula (I) or (II) and at least one phenol or 1-naphtol cyan coupler represented by the following Formulas (III), (IV), (V) and (VI): ##STR1## wherein Za and Zb each represents --C(R.sub.3).dbd. or --N.dbd.; R.sub.1 and R.sub.2 each independently represents an electron attractive group having a Hammett's substituent constant .sigma..sub.p of 0.2 or more and the sum of the .sigma..sub.p values of R.sub.1 and R.sub.2 is 0.65 or more; R.sub.Type: GrantFiled: November 27, 1992Date of Patent: January 3, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Hideaki Naruse, Makoto Suzuki
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Patent number: 5376514Abstract: A silver halide photosensitive photographic material comprising a support and provided thereon, photographic component layers including at least one silver halide emulsion layer is disclosed, wherein the photosensitive silver halide grains contained in all the silver halide emulsion layers have an average silver iodide content ranging from 0 to 3 mol % and contain at least silver bromide; and at least one of the silver halide emulsion layers contain a diequivalent phenolic cyan dye-forming coupler having a ureido group in a 2-position of a phenolic nucleus.Type: GrantFiled: March 4, 1994Date of Patent: December 27, 1994Assignee: Konica CorporationInventors: Satoru Shinba, Toshihiko Kimura, Fumio Ishii
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Patent number: 5376484Abstract: A method for photographically recording an information pattern on a photographic film is disclosed. The method comprises the steps of (1) writing an information pattern at an area outside the picture taking area of a silver halide color photographic film with a red-light having an intensity peak at a wavelength of 620 nm or more emitted from a photoemission diode, (2) processing the color photographic film, and (3) optically reading an image of the pattern formed on the color photographic film with red-light having a intensity peak a wavelength of 620 nm or above. In the method, a red-sensitive silver halide emulsion layer of the color photographic film contains a coupler represented by the following Formula CU; ##STR1## wherein X is a substituent capable of splitting-off upon reaction with the oxidation product of an aromatic primary amine color developing agent; R.sup.1 is an aryl group or a heterocyclic group; R.sup.2 is a an aliphatic group or an aryl group; and the above groups represented by R.sup.Type: GrantFiled: August 30, 1993Date of Patent: December 27, 1994Assignee: Konica CorporationInventor: Masaru Iwagaki
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Patent number: 5376515Abstract: A silver halide color photographic light-sensitive material has, on a support, at least one green-sensitive silver halide emulsion layer containing a magenta coupler, at least one blue-sensitive silver halide emulsion layer containing a yellow coupler, and at least two red-sensitive silver emulsion layers containing a cyan coupler and having different sensitivities. The highest sensitivity layer of the red-sensitive silver halide emulsion layers contains a yellow coupler, and a red-sensitive emulsion layer having a lower sensitivity contains a yellow-colored cyan coupler.Type: GrantFiled: June 17, 1993Date of Patent: December 27, 1994Assignee: Fuji Photo Film Co., Ltd.Inventor: Yuji Kume
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Patent number: 5376513Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the light-sensitive material contains a yellow colored cyan coupler and an acylacetamide yellow dye forming coupler having an acyl moiety represented by the general formula (A): ##STR1## wherein R.sub.1 represents a univalent group, Q represents a group of non-metal atoms required to form, together with C, a three to five membered hydrocarbon ring or a three to five membered heterocyclic ring which has within the ring at least one hetero atom selected from among N, O, S and P, with the proviso that R.sub.1 is not a hydrogen atom and it does not join with Q to form a ring.Type: GrantFiled: November 9, 1993Date of Patent: December 27, 1994Assignee: Fuji Photo Film Co., Ltd.Inventor: Keiji Mihayashi
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Patent number: 5372920Abstract: A multilayered color photographic element contains a support having coated thereon photographic silver halide emulsion layers including at least one blue-sensitive and at least three red-sensitive silver halide emulsion layers, said red-sensitive layers respectively being most, mid, and least red-sensitive relative to each other, said most and mid red-sensitive layers being contiguous, and the most red-sensitive layer being a coupler starved layer, which element comprises:(a) a yellow image dye-forming coupler and substantially no development inhibitor releasing coupler in the most red-sensitive layer; and(b) at least one development inhibitor releasing coupler in the mid red-sensitive layer.Type: GrantFiled: June 11, 1993Date of Patent: December 13, 1994Assignee: Eastman Kodak CompanyInventor: Larry D. Edwards
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Patent number: 5370979Abstract: A silver halide color photographic light-sensitive material has, on a support, at least one green-sensitive silver halide emulsion layer containing a magenta coupler, at least one blue-sensitive silver halide emulsion layer containing a yellow coupler, and at least two red-sensitive silver emulsion layers containing a cyan coupler and having different sensitivities. The highest sensitivity layer of the red-sensitive silver halide emulsion layers contains a magenta coupler, and a red-sensitive emulsion layer having a lower sensitivity contains a magenta colored cyan coupler.Type: GrantFiled: May 18, 1993Date of Patent: December 6, 1994Assignee: Fuji Photo Film Co., Ltd.Inventor: Yuji Kume
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Patent number: 5364748Abstract: There is disclosed a silver halide color photo-graphic light-sensitive material capable of providing a dye image having excellent color reproducibility, sharpness and image fastness. The light-sensitive material comprises a support having provided thereon a photographic constituent layer comprising 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 non-light-sensitive hydrophilic colloid layers.Type: GrantFiled: July 8, 1993Date of Patent: November 15, 1994Assignee: Fuji Photo Film Co., Ltd.Inventor: Hiroyuki Yoneyama
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Patent number: 5358828Abstract: A color photographic element is disclosed comprising a support bearing at least one photographic silver halide emulsion layer, an image dye-forming coupler, and a coupler (A) capable of forming a compound that is washed out of the photographic element upon processing and capable of releasing a bleach accelerator group, wherein the coupler (A) is represented by the formula:(SOL).sub.x --COUP--(R.sup.1).sub.y --(R.sup.2).sub.Type: GrantFiled: June 29, 1992Date of Patent: October 25, 1994Assignee: Eastman Kodak CompanyInventors: William J. Begley, Stephen P. Singer, David T. Southby, Donald Singleton, Jr.
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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: 5352570Abstract: A new method of preparation of a single isomer of a benzotriazole compound comprises the step of reacting a benzotriazole compound containing symmetrical substituents on the benzo ring with phosgene to produce the corresponding carbamyl chloride. The carbamyl chloride can be reacted with a timeing group of a coupling-off group of a photographic coupler to form a photographic development inhibitor releasing coupler. Such compounds are useful in photographic materials and processes.Type: GrantFiled: June 28, 1991Date of Patent: October 4, 1994Assignee: Eastman Kodak CompanyInventor: William J. Begley
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Patent number: 5350666Abstract: A silver halide photographic material having on a support, at least one photosensitive silver halide emulsion layer, which contains a coupler which releases at least two groups selected from the group consisting of a photographically useful group and a precursor thereof via a timing group upon undergoing a coupling reaction with an oxidized product of a developing agent, in which a plurality of photographically useful groups or precursors thereof are present on different atoms of the timing group, provided that when the plurality of photographically useful groups have a different function to each other, the timing group is not a group utilizing an intramolecular nucleophilic substitution reaction.Type: GrantFiled: June 26, 1991Date of Patent: September 27, 1994Assignee: Fuji Photo Film Co., Ltd.Inventors: Masuji Motoki, Atsuhiro Ohkawa, Keiji Mihayashi
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Patent number: H1429Abstract: The present invention offers a silver halide photographic light-sensitive material which is excellent in dye image storage stability, which undergoes little change in the photographic performance thereof between initiation and completion of continuous processing, which has excellent color reproducibility and sufficient color developability. The present invention comprises a silver halide photographic light-sensitive material having at least one silver halide emulsion layer containing a dye-forming coupler on the support, wherein said silver halide emulsion layer contains at least one compound having an ester group and an oxidation potential of not more than 1800 mV.Type: GrantFiled: June 19, 1992Date of Patent: April 4, 1995Assignee: Konica CorporationInventors: Motoi Nishimura, Hirokazu Sato, Katsumasa Yamazaki, Shigeto Hirabayashi