Substituted At Coupling Position With Other Than Hydrogen Patents (Class 430/385)
  • Patent number: 6001551
    Abstract: A silver halide color light-sensitive material containing a cyan coupler which provides an excellent hue and an improved fastness at a low color-developing area and which has small change in a color developing density, which is caused by change of a composition of a blix solution and provides a small fog in a cyan color at a non-exposed area in a continuous processing. The silver halide color light-sensitive material contains at least one cyan coupler represented by the following Formula (I) in at least one layer on a support: wherein Y represents --N.dbd. or --C(R.sub.3).dbd.; X represents a hydrogen atom or a group which splits off upon a coupling reaction with an oxidized product of a color developing agent; Z represents a non-metallic atomic group necessary for forming an alicyclic group or a heterocyclic ring; R.sub.1, R.sub.2 and R.sub.3 each represents a hydrogen atom or a substituent; and R.sub.
    Type: Grant
    Filed: November 16, 1994
    Date of Patent: December 14, 1999
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuhiro Shimada, Koushin Matsuoka, Hiroyuki Yoneyama
  • Patent number: 5962198
    Abstract: A photographic element comprising a light sensitive silver halide emulsion layer having associated therewith a cyan dye forming coupler having Formula (I): ##STR1## wherein R.sub.1 represents hydrogen or an alkyl group;R.sub.2 represents a phenyl group having an electron withdrawing group having a Hammett's Sigma value greater than 0 in a position meta or para to the amido group and has no group having a Hammett's Sigma value greater than 0 in a position ortho to the amido group;n represents 1, 2, or 3;each X is located at a position of the phenyl ring meta or para to the sulfonyl group and is independently selected from the group consisting of alkyl, alkenyl, alkoxy, aryloxy, acyloxy, acylamino, sulfonyloxy, sulfamoylamino, sulfonamido, ureido, oxycarbonyl, oxycarbonylamino, and carbamoyl groups; andZ represents a hydrogen atom or a group which can be split off by the reaction of the coupler with an oxidized color developing agent.
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: October 5, 1999
    Assignee: Eastman Kodak Company
    Inventors: Philip T. Lau, Stanley W. Cowan, Louis J. Rossi
  • Patent number: 5935767
    Abstract: Increased speed of the red record is realized when a color negative film is developed in 2 minutes or less and contains a fast and slow pair of red recording emulsion layers, the fast layer containing at a concentration of at least 0.1 mole per silver mole a colorless cyan dye-forming 2-(alkoxyarylcarbamoyl)-1-naphthol coupler.
    Type: Grant
    Filed: January 29, 1998
    Date of Patent: August 10, 1999
    Assignee: Eastman Kodak Company
    Inventors: John H. Becher, Roger A. Bryant
  • Patent number: 5916739
    Abstract: An image forming method of a silver halide light sensitive photographic material having at least one color image forming layer containing a silver halide emulsion and a dye forming coupler, the image forming method comprising the steps of exposing the photographic material to light and subjecting the exposed photographic material to amplification development to form a dye image, wherein the color image forming layer contains a coupler capable of forming a dye, upon development, having a molar extinction coefficient at a wavelength of an absorption maximum of 60,000 or more.
    Type: Grant
    Filed: November 18, 1997
    Date of Patent: June 29, 1999
    Assignee: Konica Corporation
    Inventors: Kazuhiro Miyazawa, Shigeo Tanaka
  • Patent number: 5858635
    Abstract: A silver halide color photographic material is described, containing a 1H-pyrazolo?5,1-c!-1,2,4-triazole magenta coupler represented by formula (I) ##STR1## wherein R.sub.1 and R.sub.4 each represent a substituent; R.sub.2 and R.sub.3 each represent a hydrogen atom, an alkyl group, an aryl group, a hydroxyl group or an alkyl group substituted with at least one hydroxyl group; R.sub.9 represents a hydrogen atom, an alkyl group, an aryl group, an acyl group or a sulfonyl group; L represents --SO.sub.2 --, --CO--, --SO.sub.2 NR.sub.10 --, --CONR.sub.10 -- or --COO--; R.sub.10 represents a hydrogen atom, an alkyl group or an aryl group; A.sub.1, A.sub.2, and A.sub.3 each represent --O--, --NR.sub.5 --, --NR.sub.5 CO--, --CONR.sub.5 --, --NR.sub.5 SO.sub.2 --, --SO.sub.2 NR.sub.5 --, --COO--, --OCO--, --NR.sub.5 CONR.sub.5 --, --OCONR.sub.5 -- or --NHCOO--; R.sub.5 represents a hydrogen atom, an alkyl group, an aryl group or an alkyl group substituted with at least one hydroxyl group; B.sub.1, B.sub.2, and B.sub.
    Type: Grant
    Filed: February 20, 1997
    Date of Patent: January 12, 1999
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takeshi Nakamine, Masuji Motoki, Toshio Kawagishi, Naoto Matsuda
  • Patent number: 5834166
    Abstract: The invention provides a photographic element which comprises a light-sensitive silver halide emulsion layer having associated therewith a cyan dye-forming coupler having the formula: ##STR1## wherein: each R.sub.1 independently represents an alkyl or aryl group;R.sub.2 represents a linear or branched alkyl group of 1 to 20 carbon atoms;R.sub.3 is selected from the group consisting of an alkyl group, an aryl group, a perfluoroalkyl group, or an arylamino group; andZ represents a hydrogen atom or a group capable of being split off by oxidized color developer.The element of the invention exhibits improved cyan dye light stability.
    Type: Grant
    Filed: October 31, 1996
    Date of Patent: November 10, 1998
    Assignee: Eastman Kodak Company
    Inventors: Philip T.S. Lau, Stanley W. Cowan, David Hoke
  • Patent number: 5756274
    Abstract: A silver halide color photographic material is described, comprising a support having provided thereon at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer, and at least on red-sensitive silver halide emulsion layer, wherein at least one layer of the at least one red-sensitive silver halide emulsion layer contains at least one of the cyan couplers represented by formula (1), and at least one layer contains at least one compound selected from the compounds represented by the following formula (2) and the compounds which react with the oxidized product of an aromatic primary amine color developing agent but substantially do not form color images: ##STR1## wherein the variables are defined herein.
    Type: Grant
    Filed: July 25, 1996
    Date of Patent: May 26, 1998
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Naoto Matsuda, Takayuki Ito, Naoki Saito
  • Patent number: 5691125
    Abstract: There is disclosed a silver halide color photographic material having a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a blue-sensitive silver halide emulsion layer, which comprises a cyan dye-forming coupler represented by formula (I) and (a) a monodisperse silver halide emulsion, (b) non-photosensitive silver halide emulsion wherein the inside or the surface of grains is fogged, (c) a colloidal silver, (d) negative-type interval latent image-type silver halide grains chemically sensitized to a defined depth from the surface, (e) a sensitizing dye containing a sulfonamide group, (f) three separated layers of high, medium, and low sensitivities, (g) two separated layers each having different content of iodine, (h) grains each having a defined spectral sensitivity distribution and a DIR-hydroquinone, or (i) a DIR-hydroquinone: formula (I) ##STR1## wherein R.sup.1 represents a hydrogen atom or a substituent, R.sup.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: November 25, 1997
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takefumi Hara, Kazuyoshi Yamakawa, Sadanobu Shuto, Mitsuru Yamamoto, Makoto Suzuki, Yasuhiro Shimada, Katsuro Nagaoka, Satoshi Nagaoka, Yoshihiko Shibahara, Hideo Ikeda
  • Patent number: 5686235
    Abstract: A photographic element comprises a light sensitive silver halide emulsion layer having associated therewith a cyan dye forming coupler having Formula (I): ##STR1## wherein R.sub.1 represents hydrogen or an alkyl group;R.sub.2 represents an alkyl group or an aryl group;n represents 1, 2, or 3;each X is located at a position of the phenyl ring meta or para to the sulfonyl group and is independently selected from the group consisting of alkyl, alkenyl, alkoxy, aryloxy, acyloxy, acylamino, sulfonyloxy, sulfamoylamino, sulfonamido, ureido, oxycarbonyl, oxycarbonylamino, and carbamoyl groups; andZ represents a hydrogen atom or a group which can be split off by the reaction of the coupler with an oxidized color developing agent.The element forms a dye upon development which has a desirably low wavelength of maximum absorbance and low unwanted green absorbance.
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: November 11, 1997
    Assignee: Eastman Kodak Company
    Inventors: Philip T. S. Lau, Stanley Wray Cowan, Louis Joseph Rossi
  • Patent number: 5681690
    Abstract: The invention provides a photographic light sensitive silver halide emulsion layer having associated therewith a phenolic dye-forming coupler having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 are independently selected from hydrogen and alkyl or aryl groups;R.sup.3 is a substituent group containing .beta. to the carbonyl carbon of the coupler nucleus the group --S(O).sub.n -- where n is 0 to 2;R.sup.4 is an aliphatic or aromatic group containing fluoride;R.sup.5 is hydrogen or a substituent group; andZ is hydrogen or a coupling-off group.The invention also provides a coupler compound, a photographic element containing the emulsion layer of the invention, and an imaging process.
    Type: Grant
    Filed: March 27, 1996
    Date of Patent: October 28, 1997
    Assignee: Eastman Kodak Company
    Inventors: Ping-Wah Tang, Thomas H. Jozefiak
  • Patent number: 5674666
    Abstract: The invention provides a photographic element which comprises a light-sensitive silver halide emulsion layer having associated therewith a cyan dye-forming coupler having the formula: ##STR1## wherein: R.sub.1 represents an alkyl or aryl group;R.sub.2 represents an alkyl group of 2 to 4 carbon atoms;Ar represents an aryl group; andZ represents a hydrogen atom or a group capable of being split off by reaction of the coupler with an oxidized color developing agent.Such elements provide an improved cyan dye hue upon development.
    Type: Grant
    Filed: October 31, 1996
    Date of Patent: October 7, 1997
    Assignee: Eastman Kodak Company
    Inventors: Philip T. Lau, Louis J. Rossi, Stanley W. Cowan
  • Patent number: 5631122
    Abstract: A silver halide color photographic material having provided on a support at least one light-sensitive silver halide emulsion layer, wherein said photographic material contains a coupler of formula (I) and at least one coupler selected from the group consisting of couplers represented by formula (II) and (III), wherein the substituents are as defined herein the specification. ##STR1## The material has improved coloring capacity and color image fastness and fluctuation of the properties of the material due to variation of the processing conditions is reduced.
    Type: Grant
    Filed: April 7, 1993
    Date of Patent: May 20, 1997
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Keiji Mihayashi, Katsuyoshi Yamakawa
  • Patent number: 5578436
    Abstract: There is disclosed a silver halide color photographic material having a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a blue-sensitive silver halide emulsion layer, which comprises a cyan dye-forming coupler represented by formula (I) and (a) a monodisperse silver halide emulsion, (b) non-photosensitive silver halide emulsion wherein the inside or the surface of grains is fogged, (c) a colloidal silver, (d) negative-type interval latent image-type silver halide grains chemically sensitized to a defined depth from the surface, (e) a sensitizing dye containing a sulfonamide group, (f) three separated layers of high, medium, and low sensitivities, (g) two separated layers each having different content of iodine, (h) grains each having a defined spectral sensitivity distribution and a DIR-hydroquinone, or (i) a DIR-hydroquinone: formula (I) ##STR1## wherein R.sup.1 represents a hydrogen atom or a substituent, R.sup.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: November 26, 1996
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takefumi Hara, Kazuyoshi Yamakawa, Sadanobu Shuto, Mitsuru Yamamoto, Makoto Suzuki, Yasuhiro Shimada, Katsuro Nagaoka, Satoshi Nagaoka, Yoshihiko Shibahara, Hideo Ikeda
  • Patent number: 5578441
    Abstract: There is disclosed a silver halide color photographic material having a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a blue-sensitive silver halide emulsion layer, which comprises a cyan dye-forming coupler represented by formula (Ia) and (a) a sensitizing dye containing a sulfonamide group, (b) negative-type internal latent image-type silver halide grains chemically sensitized to a defined depth from the surface, (c) grains each having a defined spectral sensitivity distribution and a DIR-hydroquinone, (d) a monodisperse silver halide emulsion, (e) non-photosensitive silver halide emulsion wherein the inside or the surface of grains is fogged, (f) a colloidal silver, or (g) a DIR-hydroquinone: formula (Ia) ##STR1## wherein the substituents are as defined herein the specification.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: November 26, 1996
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Satoshi Nagaoka, Kazuyoshi Yamakawa, Mitsuru Yamamoto, Makoto Suzuki, Yasuhiro Shimada, Katsuro Nagaoka, Hideo Ikeda, Takefumi Hara, Sadanobu Shuto
  • Patent number: 5545513
    Abstract: 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: Grant
    Filed: June 11, 1993
    Date of Patent: August 13, 1996
    Assignee: Eastman Kodak Company
    Inventor: Larry D. Edwards
  • Patent number: 5512103
    Abstract: The invention provides a cyan color producing silver halide emulsion layer or a magenta color producing silver halide emulsion layer wherein said at least one layer has an exposure range of at least 0.6 log E from the point where the instantaneous contrast is 1.0 and wherein the instantaneous contrast of said layer increases as a function of increasing exposure over at least 70 percent of said exposure range.
    Type: Grant
    Filed: January 19, 1995
    Date of Patent: April 30, 1996
    Assignee: Eastman Kodak Company
    Inventors: James L. Edwards, Eric L. Bell, Benjamin T. Chen, Richard L. Parton
  • Patent number: 5508148
    Abstract: 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: Grant
    Filed: December 19, 1994
    Date of Patent: April 16, 1996
    Assignee: Eastman Kodak Company
    Inventors: Philip T. S. Lau, Thomas H. Jozefiak, Thomas R. Welter
  • Patent number: 5508421
    Abstract: A pyrrolotriazole azomethine dye represented by formula (I), (II) or (IV) is disclosed: ##STR1## Also, a heat transfer dye providing material is disclosed, in which the material includes a support having thereon a dye providing layer containing a heat migrating dye, with the dye providing layer containing at least one pyrrolotriazole azomethine dye represented by any of the above formulae (I), (II) and (IV).
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: April 16, 1996
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Makoto Suzuki, Hisashi Mikoshiba, Seiiti Kubodera, Osamu Takahashi, Yasuhiro Shimada, Koushin Matsuoka, Shigeru Yamazaki, Katsuyoshi Yamakawa, Kozo Sato
  • Patent number: 5476757
    Abstract: 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: Grant
    Filed: December 19, 1994
    Date of Patent: December 19, 1995
    Assignee: Eastman Kodak Company
    Inventors: Philip T. S. Lau, Thomas H. Jozefiak, Thomas R. Welter
  • Patent number: 5462847
    Abstract: A silver halide color photographic material is provided comprising at least one yellow-developable silver halide emulsion layer, at least one magenta-developable silver halide emulsion layer and at least one cyan-developable silver halide emulsion layer on a support, characterized in that said at least one cyan-developable silver halide emulsion layer comprises at least one cyan dye-forming coupler represented by the following general formula (Ia) and silver bromochloride or silver chloride emulsion grains substantially free of silver iodide having a silver chloride content of 95 mol % or more spectrally sensitized with at least one sensitizing dye having a reduction potential of -1.27 V (vs. SCE) or lower: ##STR1## wherein Za represents --NH-- or --CH(R.sub.3)--; Zb and Zc each represents --C(R.sub.4).dbd. or --N.dbd.; R.sub.1, R.sub.2 and R.sub.3 each represents an electron withdrawing group having a Hammett's substituent constant .sigma..sub.p value of 0.20 or more, with the proviso that the sum of .sigma.
    Type: Grant
    Filed: June 2, 1993
    Date of Patent: October 31, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Shigeaki Otani
  • Patent number: 5460927
    Abstract: The invention provides a novel and economic method for the production of an activated propene from a malonitrile dimer which comprises reacting a compound of the formula (I) ##STR1## with a nucleophile D to provide a compound of the formula (II) ##STR2## wherein substituents A, B and E each individually represent hydrogen, a substituted or unsubstituted alkyl acyl carboxyl or aryl group or an electron withdrawing group, and X is a group capable of displacement via a substitution reaction.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: October 24, 1995
    Assignee: Eastman Kodak Company
    Inventor: Hugh M. Williamson
  • Patent number: 5460929
    Abstract: There is disclosed a silver halide color photographic material having a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a blue-sensitive silver halide emulsion layer, which comprises a cyan dye-forming coupler represented by formula (Ia) and (a) a sensitizing dye containing a sulfonamide group, (b) negative-type internal latent image-type silver halide grains chemically sensitized to a defined depth from the surface, (c) grains each having a defined spectral sensitivity distribution and a DIR-hydroquinone, (d) a monodisperse silver halide emulsion, (e) non-photosensitive silver halide emulsion wherein the inside or the surface of grains is fogged, (f) a colloidal silver, or (g) a DIR-hydroquinone: ##STR1## wherein Za represents --NH-- or --CH(R.sub.3)--, Zb and Zc each represent --C(R.sub.4).dbd. or --N.dbd., R.sub.1, R.sub.2, and R.sub.3 each represent an electron-attracting group wherein the Hammett substituent constant .sigma..sub.p value is 0.
    Type: Grant
    Filed: April 14, 1993
    Date of Patent: October 24, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Satoshi Nagaoka, Kazuyoshi Yamakawa, Mitsuru Yamamoto, Makoto Suzuki, Yasuhiro Shimada, Katsuro Nagaoka, Hideo Ikeda, Takefumi Hara, Sadanobu Shuto
  • Patent number: 5457008
    Abstract: 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: Grant
    Filed: December 19, 1994
    Date of Patent: October 10, 1995
    Assignee: Eastman Kodak Company
    Inventors: Philip T. S. Lau, Thomas H. Jozefiak, Thomas R. Welter
  • Patent number: 5453348
    Abstract: An image forming method for silver halide color photographic light-sensitive material is disclosed. The method is excellent in stability and rapidness of processing. And in the photographic color image formed by the method, staine formation due to storage is inhibited in unimaged area of the picture. The method is comprises steps of developing an imagewise exposed silver halide color photographic material with a color developer, bleaching with a bleaching solution, immediately after the developing step, and treating, after the bleaching step, with a solution having fixing capability. The bleaching solution contains a ferric complex salt of a compound represented by the following formula A, and the solution having fixing capability contains at least one of thiocyanate and an iodide in a total amount of not less than 0.5 mol per liter of the solution, ##STR1## wherein A, through A.sub.4 are each a --CH.sub.2 OH group, a --COOM group or a --PO.sub.3 M.sup.1 M.sub.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: September 26, 1995
    Assignee: Konica Corporation
    Inventors: Satoru Kuse, Masao Ishikawa, Shigeharu Koboshi
  • Patent number: 5445924
    Abstract: There is disclosed a method for forming a color image using a silver halide color photographic material having three silver halide photosensitive layers on a support, comprising, in a cyan color-forming coupler-containing photosensitive layer, a cyan dye-forming coupler represented by formula (I) or (II), wherein said photographic material is exposed by a scanning exposure system and then is subjected to color development processing: ##STR1## wherein Za and Zb each represent --C(R.sub.3).dbd. or --N.dbd., provided that one of Za and Zb represents --N.dbd. and the other represents --C(R.sub.3).dbd.; R.sub.1 and R.sub.2 each represent an electron-attracting group; R.sub.3 represents a hydrogen atom or a substituent; and X represents a hydrogen atom or a coupling-off group, provided that R.sub.1, R.sub.2, R.sub.3, or X may be a divalent group, to form a dimer or higher polymer, or to bond to a polymer chain to form a homopolymer or copolymer.
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: August 29, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Kiyoshi Kawai
  • Patent number: 5441863
    Abstract: Novel imidazo[3,2-a]imidazole cyan dye-forming couplers and photographic elements containing them are described. The couplers are represented by the following structure: ##STR1## wherein: EWG.sub.1 and EWG.sub.2 each independently represent an electron withdrawing group;X is hydrogen or a coupling-off group; andR.sup.1 is hydrogen or a substituent group.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: August 15, 1995
    Assignee: Eastman Kodak Company
    Inventors: Ping W. Tang, Thomas H. Jozefiak, David J. Decker
  • Patent number: 5437967
    Abstract: A silver halide color photographic light-sensitive material capable of providing a dye image having excellent color reproducibility, less fading of cyan, magenta and yellow colors and a dye image fastness with a good balance of the three colors, comprise a support and provided thereon a silver halide light-sensitive layer containing a cyan coupler, a silver halide light-sensitive layer containing a magenta coupler, and a silver halide light-sensitive layer containing a yellow coupler, wherein the silver halide light-sensitive layer containing the cyan coupler contains at least one pyrrolotriazole cyan couplers represented by the following Formula (I) or (II) as a cyan coupler and the silver halide light-sensitive layer containing the magenta coupler contains a pyrazoloazole magenta coupler represented by the following Formula (M) as a magenta coupler: ##STR1## wherein the substituents are defined herein the specification.
    Type: Grant
    Filed: April 18, 1994
    Date of Patent: August 1, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hideaki Naruse, Makoto Suzuki
  • Patent number: 5434034
    Abstract: There is disclosed a silver halide color photographic material and a method for forming a color image using said color photographic material. The silver halide color photographic material comprises silver halide emulsion grains comprising silver chlorobromide having a high silver chloride content and being substantially free from silver iodide, and a cyan dye-forming coupler represented by formula (I) or (II), and said silver halide emulsion grains being formed by adding a water-soluble bromide at the grain formation step, and/or during the period from the completion of the formation of the grains to the coating of the cyan dye-forming layer onto the support: ##STR1## wherein Za and Zb each represent --N.dbd. or --C(R.sub.3).dbd., with one of Za and Zb being --N.dbd. and the other being --C(R.sub.3).dbd.; R.sub.1 and R.sub.2 each represent an electron-attracting group, whose Hammett substituent constant .sigma..sub.p value is 0.20 or more, with the sum of the .sigma..sub.p values of R.sub.1 and R.sub.
    Type: Grant
    Filed: April 15, 1993
    Date of Patent: July 18, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Masahiro Asami
  • Patent number: 5427896
    Abstract: A method for processing a color photographic material comprising a support having on at least one surface thereof at least one layer containing a light-sensitive silver halide emulsion and a non-diffusing oil-soluble coupler capable of forming a dye by coupling with the oxidation product of an aromatic primary amine developing agent, wherein the oil-soluble dye is a pyrrolotriazole cyan coupler and the color photographic material is processed after color development with a bath containing, as a fixing agent, at least one of nitrogen-containing heterocyclic compounds having a sulfide group, meso-ionic compounds and thioether compounds.
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: June 27, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Hiroshi Hayashi
  • Patent number: 5427897
    Abstract: A method for processing an imagewise exposed silver halide color photographic material comprising a support having thereon at least a silver halide emulsion layer containing a cyan dye-forming coupler, a silver halide emulsion layer containing a magenta dye-forming coupler, and a silver halide emulsion layer containing a yellow dye-forming coupler: wherein the silver halide color photographic material contains at least one cyan dye-forming coupler represented by the following general formula (I) or (II) in the silver halide emulsion layer containing the cyan dye-forming coupler: and wherein the processing comprises color developing the imagewise exposed silver halide color photographic material with a color developer containing a p-phenylenediamine derivative represented by the following general formula (III): ##STR1## wherein the substituents are defined herein the specification.
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: June 27, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Koichi Nakamura, Masato Taniguchi
  • Patent number: 5415985
    Abstract: Disclosed is a silver halide color photographic material which contains at least one pyrroloazole compound as cyan coupler and has a layer structure in which a cyan coupler-containing silver halide emulsion layer is disposed in the position nearer to a support than at least either a magenta coupler-containing silver halide emulsion layer or a yellow coupler-containing silver halide emulsion layer, whereby ensuring excellent color reproducibility and high fastness in color images.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: May 16, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hidekazu Sakai, Yasuhiro Shimada
  • Patent number: 5415990
    Abstract: A novel cyan coupler for photographic dye, a process of forming a dye using the coupler and a photographic material containing the cyan coupler are disclosed. The coupler is represented by formula ##STR1## R, R.sub.1, X, m and n are defined in the specification.
    Type: Grant
    Filed: April 7, 1994
    Date of Patent: May 16, 1995
    Assignee: Konica Corporation
    Inventors: Yutaka Kaneko, Rudchenko F. Vladimir, Satoru Ikesu
  • Patent number: 5415982
    Abstract: A color image-forming method wherein a cyan dye image having an excellent hue and less fading due to light and humidity can be obtained and the discharge amount of a processing solution can be reduced is disclosed, which comprises subjecting a silver halide color photographic light-sensitive material comprising a support, having provided thereon 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, a light-sensitive silver halide emulsion layer containing a cyan dye-forming coupler, and a non-light-sensitive hydrophilic colloid layer, to an exposure and then to a color development with a color developing solution, wherein the above silver halide color photographic light-sensitive material contains at least one scarcely water soluble epoxy compound having at least one group represented by Formula (AO) in at least one layer of the silver halide emulsion layers and non-light-sensitive hydrop
    Type: Grant
    Filed: May 28, 1993
    Date of Patent: May 16, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Yasuaki Deguchi
  • Patent number: 5403704
    Abstract: A silver halide color photographic material which contains at least one pyrrolotriazole cyan coupler having two electron attracting groups and at least one non-color forming, nondiffusing compound.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: April 4, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuhiro Yoshioka, Shigeo Hirano, Makoto Suzuki
  • Patent number: 5401624
    Abstract: A silver halide color photosensitive material which forms a cyan dye that has superior heat resistance and that will not readily fade in a reducing atmosphere. The silver halide color photosensitive material contains in at least one layer on a support at least one coupler represented by formula (I): ##STR1## wherein R.sup.1 represents hydrogen atom or a substituent; R.sup.2 represents a substituent; X represents hydrogen atom or a group releasable on a coupling reaction with an oxidation product of a color developing agent; Z.sup.1 represents a nonmetallic atom group necessary for forming a nitrogen-containing, six-membered, heterocyclic ring which has at least one dissociative group: Z.sup.1 cannot be --C(.dbd.O)--N(R)--C(.dbd.O)--NH--; and R represents a substituent.Also disclosed is a novel dye forming coupler which exhibits a high coupling activity and which gives a dye having a large molar extinction coefficient and superior stability, the coupler being represented by the following formula (XX) or (XXI).
    Type: Grant
    Filed: November 4, 1993
    Date of Patent: March 28, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Sato, Yoshio Ishii, Katsuyoshi Yamakawa
  • Patent number: 5399467
    Abstract: 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: Grant
    Filed: October 29, 1993
    Date of Patent: March 21, 1995
    Assignee: Eastman Kodak Company
    Inventors: Sundaram Krishnamurthy, Stanley W. Cowan
  • Patent number: 5385815
    Abstract: 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: Grant
    Filed: December 29, 1993
    Date of Patent: January 31, 1995
    Assignee: Eastman Kodak Company
    Inventors: Edward Schofield, Richard P. Szajewski
  • Patent number: 5384235
    Abstract: 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: Grant
    Filed: July 1, 1992
    Date of Patent: January 24, 1995
    Assignee: Eastman Kodak Company
    Inventors: Tien-Teh Chen, Edward Schofield, Hwei-Ling Yau, Lal C. Vishwakarma
  • Patent number: 5384236
    Abstract: A silver halide color photographic material comprising a support having provided thereon at least one layer containing at least one cyan coupler represented by formula (I) ##STR1## wherein R.sub.1 and R.sub.2 each represent a substituent except methyl group;R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each represent a hydrogen atom or a substituent;Z represents a non-metallic atom or a non-metallic atomic group necessary for forming a ring and the non-metallic atomic group of Z may optionally be substituted by substituent(s); andX represents a hydrogen atom, or a group of splitting off from the formula by coupling reaction with an oxidation product of an aromatic primary amine color developing agent.
    Type: Grant
    Filed: June 8, 1994
    Date of Patent: January 24, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Koushin Matsuoka, Yasuhiro Shimada, Hiroyuki Yoneyama
  • Patent number: 5380625
    Abstract: A method for processing a silver halide color photographic material, which comprises processing an image-wise exposed silver halide color photographic material comprising at least one silver halide emulsion layer and containing an N,N-substituted malondiamide type coupler with a color developer containing an aromatic primary amine color developing agent represented by the following general formula (D) or (E): ##STR1## In a preferred embodiment, the photographic light-sensitive material contains a cyan coupler represented by the following general formula (C): ##STR2##
    Type: Grant
    Filed: February 5, 1993
    Date of Patent: January 10, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Keiji Mihayashi, Masato Taniguchi, Naoki Saito
  • Patent number: 5372920
    Abstract: 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: Grant
    Filed: June 11, 1993
    Date of Patent: December 13, 1994
    Assignee: Eastman Kodak Company
    Inventor: Larry D. Edwards
  • Patent number: 5370978
    Abstract: Disclosed is a silver halide color photographic material which contains the combination of a pyrroloazole type cyan coupler and a carboxylic acid ester type high boiling organic solvent having a dielectric constant of at most 6.0 in a cyan color-forming silver halide emulsion layer and further contains a pyrazoloazole type magenta coupler in a magenta color-forming silver halide emulsion layer, thereby acquiring high color formability, excellent color reproducibility and preventing stains from generating in the white area after photographic processing.
    Type: Grant
    Filed: May 18, 1993
    Date of Patent: December 6, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Osamu Takahashi
  • Patent number: 5366856
    Abstract: A silver halide color photosensitive materials wherein a coupler represented by the formula indicated below is included in at least one layer on a support. In the formula, for example, Za represents --NH--, Zb represents --C(R.sub.4).dbd. and Zc represents --N.dbd.. R.sub.1, R.sub.2 and R.sub.3 each represents an electron withdrawing group of which the Hammett substituent group constant .sigma..sub.p value is 0.20 or above. However, the sum of the .sigma..sub.p values of R.sub.1 and R.sub.2 is 0.65 or above. R.sub.4, R.sub.a, R.sub.b, R.sub.c, R.sub.d and R.sub.e each represents a hydrogen atom or a substituent group. However, for example at least one of R.sub.a, R.sub.b, R.sub.c, R.sub.d and R.sub.e represents an electron withdrawing group, and the sum of the Hammett substituent group constant .sigma..sub.p values of each of R.sub.a, R.sub.b, R.sub.c, R.sub.d and R.sub.e is 0.5 or above.
    Type: Grant
    Filed: May 21, 1993
    Date of Patent: November 22, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuhiro Shimada, Hiroyuki Yoneyama
  • Patent number: 5362882
    Abstract: A novel pyrrolotriazole derivative is disclosed, represented by any one of formulae (I), (II), (III), (IV), or (V): ##STR1## A heat transfer dye providing material is also disclosed, comprising a support having thereon a dye providing layer containing a heat migrating dye, said dye providing layer containing at least one pyrrolotriazole azomethine dye represented by any one of formulae (I), (II), (III), or (IV).
    Type: Grant
    Filed: June 5, 1992
    Date of Patent: November 8, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Makoto Suzuki, Yasuhiro Shimada, Koushin Matsuoka, Shigeru Yamazaki, Katsuyoshi Yamakawa, Kozo Sato
  • Patent number: 5358828
    Abstract: 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: Grant
    Filed: June 29, 1992
    Date of Patent: October 25, 1994
    Assignee: Eastman Kodak Company
    Inventors: William J. Begley, Stephen P. Singer, David T. Southby, Donald Singleton, Jr.
  • Patent number: 5352573
    Abstract: A silver halide color photographic light-sensitive material having an improved color forming property, color reproducibility and image preservative performance is described. The light-sensitive material comprises a support having provided thereon at least one silver halide emulsion layer comprising (a) a cyan dye-forming coupler represented by the following formulas (I) or (II): ##STR1## wherein Za, Zb, R.sub.1, R.sub.2 and X represent substituents described herein; (b) a compound represented by the following formula (A): ##STR2## wherein R.sub.a1 -R.sub.a6 represent substituents described herein.
    Type: Grant
    Filed: November 27, 1992
    Date of Patent: October 4, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuo Seto, Yasuhiro Yoshioka, Makoto Suzuki, Masakazu Morigaki
  • Patent number: 5348847
    Abstract: Disclosed is a silver halide color photographic material comprising a support having thereon at least one layer containing one or more cyan couplers of formula (I): ##STR1## wherein R.sub.11 represents a branched or cyclic alkyl group, a branched or cyclic alkoxy group, a substituted aryl group, or a substituted aryloxy group; R.sub.21 represents a substituent which may optionally be substituted. R.sub.12 represents an aliphatic group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylamino group, an anilino group, a heterocyclic-oxy group, or a heterocyclic-amino group; R.sub.22 and R.sub.32 each represents a substituent; r.sub.2 represents an integer of from 0 to 4; provided that when r.sub.2 is a plural number, the plurality of R.sub.32 groups may be the same or different; R.sub.13, R.sub.23 and R.sub.33 each represent a hydrogen atom or a substituent; provided that the total of Taft's substituent constant .sigma.* values of R.sub.13, R.sub.23 and R.sub.33 is 1.5 or more; R.
    Type: Grant
    Filed: November 27, 1992
    Date of Patent: September 20, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Makoto Suzuki, Osamu Takahashi, Yasuhiro Shimada, Koushin Matsuoka, Yasuhiro Yoshioka
  • Patent number: 5342742
    Abstract: A silver halide color photographic light-sensitive material capable of providing a dye image having an improved spectral absorption characteristic, excellent color reproducibility and yet a sufficiently low minimum density, comprises a support having thereon a silver halide emulsion layer containing a yellow dye-forming coupler, a silver halide emulsion layer containing a magenta dye-forming coupler, and a silver halide emulsion layer containing a cyan dye-forming coupler, wherein the silver halide emulsion layer containing the cyan dye-forming coupler contains at least one cyan coupler represented by the following formula (I) or (II) and the silver halide emulsion layer containing the yellow dye-forming coupler contains at least one yellow coupler represented by the following formula (III): ##STR1## With the substituents as defined herein the specification.
    Type: Grant
    Filed: November 27, 1992
    Date of Patent: August 30, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hideaki Naruse, Makoto Suzuki, Takehiko Sato
  • Patent number: 5342740
    Abstract: A method of processing an imagewise exposed silver halide color photographic material is disclosed, wherein the photographic material comprises a support having thereon a photosensitive silver halide emulsion layer containing a silver halide emulsion having a silver chloride content of at least 80 mol %. The processing method comprises the steps of color developing the photographic material in a color developing solution, and then bleach-fixing in a bleach-fixing solution, further comprising replenishing the bleach-fixing solution as the photographic material is processed by adding thereto a regenerated bleach-fixing replenisher and collecting the resulting overflow solution from the bleach-fixing tank, the regenerated bleach-fixing replenisher comprising a regenerating agent and the overflow solution from the bleach-fixing tank, and wherein the solids content of the regenerating agent is at least 70 wt % of the total weight of the regenerating agent.
    Type: Grant
    Filed: October 2, 1991
    Date of Patent: August 30, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masatoshi Goto, Takatoshi Ishikawa
  • Patent number: 5342747
    Abstract: Disclosed is a silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer containing a pyrrolotriazole cyan coupler and a specific lipophilic compound. The color photographic material have improved color reproducibility and preservability.
    Type: Grant
    Filed: November 27, 1992
    Date of Patent: August 30, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masakazu Morigaki, Yasuhiro Yoshioka, Nobuo Seto