Phenol Or Naphthol Coupler Patents (Class 430/552)
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Patent number: 4590152Abstract: A heat-developable color light-sensitive material comprising a support having thereon at least: (1) a light-sensitive silver-halide, (2) a coupler capable of coupling with an oxidation product of a developing agent, (3) a hydrophilic binder, and (4) at least one compound represented by the following general formula (Z): ##STR1## the substituents A, R.sub.1, R.sub.2 R.sub.3, R.sub.4, X and R.sub.5 are defined herein.The heat-developable color light-sensitive material containing the developing agent or the precursor thereof represented by the general formula (Z) which is excellent in stability during storage, silver developing property and coupling property has good preservability and can provide color images having a high S/N ratio and a high image density.Type: GrantFiled: July 8, 1985Date of Patent: May 20, 1986Assignee: Fuji Photo Film Co., Ltd.Inventors: Kozo Sato, Hideki Naito
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Patent number: 4576909Abstract: A silver halide color photographic light-sensitive material comprising a support having at least one silver halide emulsion layer in which there is provided a polymer coupler and a compound of the formulaAr--O--RO).sub.p H [I]wherein Ar is an aryl group, R is an alkylene group, and p is an integer from to 1 to 3.Type: GrantFiled: October 4, 1984Date of Patent: March 18, 1986Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Sohei Goto, Ken Okauchi
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Patent number: 4567134Abstract: A method for processing of a light-sensitive silver halide color photographic material comprising a continuous processing method comprising a stabilizing processing step involving substantially no water washing step after fixing processing, characterized in that said light-sensitive silver halide color photographic material contains at least one of cyan couplers represented by the formula (I) or (II) shown below, and the amount of stabilizing solution supplemented is 0.1 to 30 times the amount carried over from the precedent bath per unit area of said light-sensitive material to be processed: ##STR1## wherein X represents ##STR2## (wherein R.sub.2 is an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group or a hetero ring; R.sub.3 is a hydrogen atom, an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group or a hetero ring; or R.sub.2 and R.sub.3 may be bonded together to form a 5- or 6-membered ring), R.sub.Type: GrantFiled: March 26, 1984Date of Patent: January 28, 1986Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shigeharu Koboshi, Masayuki Kurematsu
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Patent number: 4565777Abstract: A silver halide color photographic light-sensitive material is described, comprising a coupler represented by formula (I): ##STR1## wherein A represents the residue of a coupler, R.sub.1 represents an alkyl group having from 4 to 15 carbon atoms, R.sub.2 represents an alkyl group having from 1 to 20 carbon atoms, with the total number of carbon atoms of R.sub.1 and R.sub.2 being from 8 to 27.Type: GrantFiled: July 20, 1984Date of Patent: January 21, 1986Assignee: Fuji Photo Film Co., Ltd.Inventors: Akira Ogawa, Kozo Aoki, Osami Tanabe, Makoto Umemoto
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Patent number: 4564590Abstract: A silver halide photographic material having one or more silver halide emulsion layers formed on a reflective support is disclosed, wherein at least one of the silver halide emulsion layers contains at least one cyan coupler of formula (I) dispersed therein with the aid of at least one high-boiling organic solvent having a dielectric constant of 6.1 or more, and wherein at least one photographic layer contains at least one dye of formula (II) and/or formula (III): ##STR1## wherein R.sub.1 is a straight- or branched-chain alkyl group having 2 to 4 carbon atoms; R.sub.2 is a ballast group; and X is a hydrogen atom or a group capable of leaving upon coupling reaction with the oxidized product of a color developing agent; ##STR2## wherein R.sub.3 and R.sub.5 are each a hydrogen atom, an alkyl group or an aryl group; R.sub.4 and R.sub.Type: GrantFiled: March 19, 1985Date of Patent: January 14, 1986Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masao Sasaki, Toyoki Nishijima, Shun Takada, Takashi Kadowaki, Kaoru Onodera
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Patent number: 4564586Abstract: A silver halide color photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer, wherein the silver halide color photographic light-sensitive material contains a cyan dye forming coupler represented by the following general formula (I): ##STR1## wherein R.sub.1 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; R.sub.2, R.sub.3, R.sub.4 and R.sub.Type: GrantFiled: January 30, 1985Date of Patent: January 14, 1986Assignee: Fuji Photo Film Co., Ltd.Inventors: Kozo Aoki, Michio Ono, Kiyoshi Nakazyo
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Patent number: 4554244Abstract: There is disclosed a silver halide photosensitive material for color photography which comprises a phenol type cyan coupler having the formula: ##STR1## wherein the substituents X.sup.1, X.sup.2, Y, Z and n are as defined in the specification and claim of this application.The cyan coupler mentioned above is a novel cyan dye image-forming coupler and the photosensitive material containing the same according to the present invention has removed the various drawbacks in the prior art.Type: GrantFiled: June 4, 1984Date of Patent: November 19, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Ryosuke Sato, Katsunori Kato, Takashi Sasaki, Hiroshi Sugita
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Patent number: 4551422Abstract: A silver halide photographic light-sensitive material comprising a support bearing thereon at least one silver halide emulsion layer, in which at least one of phenol cyan couplers having Formula (I) below and at least one of non-color-developable and diffusion resistive phenol compounds are contained. ##STR1## wherein, R.sub.1 represents a ballast radical necessary for endowing a phenol cyan coupler having Formula (I) and a cyan dye to be formed by the above-mentioned coupler with diffusion resistance; Ar represents an aryl radical; and X represents a hydrogen atom or a radical capable of splitting off through a coupling to an oxidant of an aromatic primary amine color developing agent.Type: GrantFiled: December 21, 1984Date of Patent: November 5, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Toshihiko Kimura, Yutaka Kaneko, Takashi Sasaki
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Patent number: 4540658Abstract: A silver halide color photographic product with dye images having improved fastness to light is disclosed. The product has at least one dye image forming layer on a support and further includes at least one of the compounds of formula (I) or (II) in said dye image forming layer and/or an adjoining or an adjacent layer: ##STR1## wherein R is an alkyl group, an aryl group or a heterocyclic group; X is an alkylene group; and Y is an alkylene or arylene group; and ##STR2## wherein R.sub.1 is a hydrogen atom, an alkyl group or an aryl group; R.sub.2 and R.sub.3 are each an alkyl group; Y.sub.1 is an alkylene or arylene group; Z is an oxygen atom, a sulfur atom, a sulfonyl group, a carbonyl group or an alkylene group; and n is an integer of 1 to 20.Type: GrantFiled: June 24, 1983Date of Patent: September 10, 1985Assignee: Konishiroku Photo Industry Co. Ltd.Inventors: Masao Sasaki, Kaoru Onodera
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Patent number: 4537856Abstract: A method of processing a silver halide color photographic material is disclosed. The material is treated with a bleach-fixing solution or a fixing solution, and then, without washing with water, treated with a stabilizing solution incorporating a water-soluble chelate compound of at least one metal selected from the group consisting of Ba, Ca, Ce, Co, In, La, Mn, Ni, Pb, Ti, Sn, Zn and Zr and the group consisting of Mg, Al and Sr.Type: GrantFiled: April 5, 1984Date of Patent: August 27, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masayuki Kurematsu, Shigeharu Koboshi
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Patent number: 4537857Abstract: A silver halide light-sensitive material having a support and at least one silver halide emulsion is provided. The silver halide emulsion layer contains in combination at least one cyan coupler of Formula (I) and at least one cyan coupler of Formula (II).Type: GrantFiled: November 29, 1983Date of Patent: August 27, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shun Takada, Kaoru Onodera, Takashi Kadowaki
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Patent number: 4533625Abstract: A color photographic light-sensitive material which contains a photographic coupler having a naphthalene nucleus in the bonding position other than the coupling position, wherein the naphthalene nucleus contains at least one hydroxyl group and at least one sulfonyl group as a substituent or contains at least one hydroxyl group and at least one sulfinyl group as a substituent is disclosed.Type: GrantFiled: March 26, 1984Date of Patent: August 6, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Seiji Ichijima, Takeshi Hirose
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Patent number: 4532202Abstract: There is disclosed a coupler for photography represented by the formula: ##STR1## wherein R.sub.1 represents a branched alkyl group having 3 to 5 carbon atoms; R.sub.2 represents an aryl group; X represents a divalent linking group; Ar represents an aryl group; and Z is a hydrogen atom or a group eliminable through the coupling reaction with the oxidized product of an aromatic primary amine type color developing agent,and a light-sensitive silver halide photographic material comprising the same.The coupler mentioned above is not only excellent in solubility in organic solvents, but also can be easily purified, thus being capable of exhibiting excellent characteristics with respect to spectral absorption characteristics, sensitivity, color density, color staining as well as with respect to image storability such as light resistance, heat resistance and humidity resistance.Type: GrantFiled: December 21, 1983Date of Patent: July 30, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Takashi Sasaki, Yutaka Kaneko, Fumio Ishii, Yasuo Tsuda, Kazuhiko Kimura, Katsunori Kato
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Patent number: 4528263Abstract: Disclosed is a light-sensitive silver halide color photographic material having at least one light-sensitive silver halide emulsion layer on a support, characterized in that said light-sensitive silver halide emulsion layer contains a cyan coupler represented by the formula [I] shown below, and said light-sensitive silver halide emulsion layer and/or a layer contiguous to said light-sensitive silver halide emulsion layer contains at least one of a timing DIR compound represented by the formula [II] shown below and a non-timing type DIR compound: ##STR1## wherein X, R.sub.1 and R.sub.2 are as defined in the specification; ##STR2## wherein Cp, TIME and Z are as defined in the specification.Type: GrantFiled: February 27, 1984Date of Patent: July 9, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Hiroshi Sugita, Yasuo Tsuda, Kenji Ito, Satoru Shimba
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Patent number: 4526864Abstract: A silver halide photographic material. A support contains at least one silver halide emulsion layer that has in combination at least one cyan coupler of Formula I with at least one dye image stabilizer of Formula II or III.Type: GrantFiled: December 29, 1983Date of Patent: July 2, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shun Takada, Kaoru Onodera, Takashi Kadowaki
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Patent number: 4525450Abstract: A silver halide color photographic light-sensitive material containing a coupler having at least one of a sulfamoylphenylenesulfonyl group, a sulfamoylaminophenylenesulfonyl group and a sulfonamidophenylenesulfonyl group as a substituent. Preferred couplers are represented by the formula: ##STR1## wherein all moieties are defined in the specification wherein Cp is a coupler residue, L is a divalent linking group and X represents --NHSO.sub.2 --, ##STR2## or --SO.sub.2 NH, and n represents 0-4. Groups R.sup.1, R.sup.2 and R.sup.3 are defined in the specification.Type: GrantFiled: March 23, 1984Date of Patent: June 25, 1985Inventors: Isamu Itoh, Takeshi Hirose
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Patent number: 4525451Abstract: A novel color stain inhibitor is disclosed, which is a compound comprising a phenol or naphthol ring substituted by at least one substituted or unsubstituted sulfamoyl group. Preferred examples of these compounds are represented by the general formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and Q are as defined herein. In light-sensitive materials containing the color stain inhibitors of the present invention, color stain is efficiently prevented.Type: GrantFiled: April 16, 1984Date of Patent: June 25, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobutaka Ohki, Yoshinobu Yoshida
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Patent number: 4524132Abstract: A color photographic silver halide light-sensitive material is described, comprising a support base having thereon a silver halide emulsion layer wherein said material contains at least one coupler represented by formula (I) ##STR1## wherein A represents a yellow coupler residue, a magenta coupler residue, or a cyan coupler residue; R.sub.1 represents a substituted or unsubstituted acyclic or cyclic alkylene group; R.sub.2 represents a halogen atom, a hydroxyl group, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted acylamino group, a substituted or unsubstituted sulfonamido group or a substituted or unsubstituted acyl group; and n represents an integer of 0 to 3.Type: GrantFiled: September 6, 1984Date of Patent: June 18, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Kozo Aoki, Makoto Umemoto, Akira Ogawa
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Patent number: 4518687Abstract: A silver halide color photographic light-sensitive material is disclosed. The material is comprised of a support base having thereon a silver halide emulsion layer containing a cyan dye-forming oleophilic polymer coupler. The polymer coupler is comprised of three repeating units including a repeating unit of a cyan coupler corresponding to general formula (I), an ethylene type unsaturated monomer repeating unit corresponding to general formula (II) which contains an acid component and an ethylene type unsaturated monomer repeating unit corresponding to general formula (III). The cyan dye-forming oleophilic polymer coupler is present in the form of a dispersed product, said polymer coupler having been dissolved in an organic solvent followed by emulsion dispersion of a gelatine aqueous solution in the presence of a surfactant. The general formulae and their substituents are described in the specification.Type: GrantFiled: October 7, 1983Date of Patent: May 21, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Tsumoru Hirano, Makoto Umemoto, Mitsunori Hirano
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Patent number: 4518680Abstract: Disclosed is a bleach-fixing solution for light-sensitive silver halide color photographic material, comprising a diethylenetriamine pentaacetic acid iron (III) complex salt and having a pH value of 4.0 or higher. Also disclosed is a method for processing a light-sensitive silver halide color photographic material, which comprises processing a light-sensitive silver halide color photographic material containing a cyan coupler by the use of the above bleach-fixing solution.Type: GrantFiled: February 9, 1984Date of Patent: May 21, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shigeharu Koboshi, Masao Ishikawa, Kazuhiro Kobayashi, Toshihiko Kimura, Moeko Higuchi
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Patent number: 4518683Abstract: A silver halide color photographic light-sensitive material. A support has thereon at least one silver halide emulsion layer and a non-light-sensitive layer adjacent to the silver halide emulsion layer. The silver halide emulsion layer contains a cyan coupler having Formula (I) and a compound having Formula (II). The non-light-sensitive layer contains a compound having Formula (II) ##STR1## wherein X is a hydrogen atom or a group which can be split off by the coupling reaction with the oxidized product of an aromatic primary amine color developing agent; R.sub.1 is an aryl group or a heterocyclic group; and R.sub.2 is a ballasting group necessary to cause the cyan coupler having the Formula (I) and the cyan dye formed from the cyan coupler to be nondiffusible ##STR2## wherein R.sub.3 and R.sub.4 each is an alkyl group, an alkenyl group, or a cycloalkyl group each having from 3 to 20 carbon atoms, or an aryl group having from 6 to 20 carbon atoms.Type: GrantFiled: August 31, 1983Date of Patent: May 21, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Kazuo Kato, Fumio Hamada, Kenji Ito
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Patent number: 4517283Abstract: A color-photographic recording material which, in at least one light-sensitive silver halide emulsion layer, an interlayer and/or a protective layer, contains a stabilizer mixture comprising(i) a compound with at least one group of the formula ##STR1## or a polymer with recurring structural units of the formula I, and (ii) a phenolic antioxidant.Color images obtained by imagewise exposure and development of this color-photographic recording material show good stability to the action of visible and ultraviolet light.With respect to the definitions of the substituents in formula I, reference is made to the description.Type: GrantFiled: December 15, 1983Date of Patent: May 14, 1985Assignee: Ciba-Geigy AGInventors: David G. Leppard, Jean Rody
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Patent number: 4513082Abstract: A silver halide color photographic light-sensitive material containing at least one coupler having a ballast group represented by the following general formula (I): ##STR1## wherein X represents a halogen atom, an alkyl group, an aryl group, a heterocyclic group, a hydroxy group, an alkoxy group, an aryloxy group, an acylamino group, a sulfonamido group, a carbamoyl group, a sulfamoyl group, a ureido group, an alkoxycarbonyl group, an alkoxycarbonylamino group, a sulfonyl group, an alkylthio group, a cyano group, a nitro group or a carboxyl group, l represents an integer of 1 to 4, and m represents an integer of 1 or 2, with the proviso that when X represents a hydroxyl group, a substituent other than a hydroxy group is also present on the phenyl ring.Type: GrantFiled: March 23, 1984Date of Patent: April 23, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobuo Furutachi, Takeshi Hirose
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Patent number: 4513081Abstract: A silver halide photographic emulsion is described containing in combination at least one sensitizing dye represented by formula (I) and at least one cyan coupler represented by formula (II): ##STR1## wherein all the symbols are defined in the specification. In a preferred embodiment, in addition to the sensitizing dye (I) and the cyan coupler (II), there may also be included at least one compound represented by formula (III) ##STR2## wherein all the symbols are also defined in the specification.Type: GrantFiled: May 21, 1984Date of Patent: April 23, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Masaki Okazaki, Osami Tanabe, Satoshi Nagaoka, Yuji Mihara, Keizo Kimura, Makoto Umemoto
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Patent number: 4513079Abstract: A silver halide color photographic material is disclosed. The material is comprised of a support base having provided thereon a fine grain silver halide emulsion layer and, positioned adjacent to the fine grain silver halide emulsion layer, a silver halide emulsion layer containing a coupler. The coupler is a phenolic cyan coupler substituted at the 5-position with an acylamino group and at the 2-position with an ureido group. The material has high sensitivity and good granularity. The material produces an image which has excellent fastness to light and heat.Type: GrantFiled: October 14, 1983Date of Patent: April 23, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Kei Sakanoue, Kozo Aoki
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Patent number: 4511647Abstract: A silver halide color photographic light-sensitive material is disclosed. Their material is comprised of a support having thereon a silver halide emulsion layer containing a cyan color image forming polymer coupler latex. This latex is comprised of a recurring unit of a cyan coupler monomer capable of forming a dye upon coupling with an oxidation product of an aromatic primary amine developing agent represented by the general formula (I) and a recurring unit of an ethylenically unsaturated monomer containing an acid component represented by the general formula (II) and a recurring unit of methyl acrylate. ##STR1## The cyan color image forming polymer coupler latex has excellent color forming properties and photographic material containing the coupler latex provides a cyan image having good fastness to heat and the combination of heat and humidity. A method for forming a color image utilizing the disclosed photographic material containing the novel couple of latex is also disclosed.Type: GrantFiled: November 9, 1983Date of Patent: April 16, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Tsumoru Hirano, Morio Yagihara, Makoto Umemoto
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Patent number: 4507386Abstract: A silver halide photographic emulsion containing a coupler for photography, comprising silver halide particles in said emulsion consisting essentially of 2 mole % or less of silver iodide, 50 to 97 mole % of silver bromide and 1 to 50 mole % of silver chloride, and said particles are core/shell type silver halide particles containing a higher content of said 50 to 97 mole % silver bromide in the surface layers of said particles than in the inner portions thereof, the surface layer of said particles containing 70 to 100 mole % of silver bromide and the inner portion containing 40 to 70 mole % of silver bromide.Type: GrantFiled: September 7, 1983Date of Patent: March 26, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Syoji Matsuzaka, Makoto Kajiwara, Masanobu Miyoshi, Kiyoshi Yamashita
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Patent number: 4503141Abstract: A silver halide color photographic light-sensitive material containing at least one coupler having a ballast group represented by the following general formula (I): ##STR1## wherein ##STR2## represents a substituted or unsubstituted aromatic heterocyclic ring, and m represents an integer of 1 or 2.Type: GrantFiled: March 23, 1984Date of Patent: March 5, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobuo Furutachi, Takeshi Hirose
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Patent number: 4500635Abstract: A color photographic silver halide light-sensitive material is described. The material includes a cyan coupler represented by the general formula (I): ##STR1## (the symbols are as described in the claims). This coupler is easily soluble in high boiling organic solvents, exhibits a high dye-forming rate in developers, and furthermore, provides color images of high fastness.Type: GrantFiled: March 14, 1984Date of Patent: February 19, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Kozo Aoki, Akira Ogawa, Osami Tanabe
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Patent number: 4496650Abstract: A silver halide color photographic light-sensitive material comprised of a support having thereon a silver halide emulsion layer containing a cyan color image forming polymer coupler latex is disclosed. The cyan color image forming polymer coupler latex is comprised of at least one repeating unit capable of forming a dye upon coupling with an oxidation product of an aromatic primary amine developing agent represented by the general formula (Ia) and at least one repeating unit represented by the general formula (II): ##STR1## the substituents within the general formulae are disclosed within the specification. The cyan color image forming polymer coupler latex has excellent color forming properties and the silver halide color photographic light-sensitive material which contains the latex provides a photograph in which the occurrence of color stain due to light is substantially prevented. A method of forming a color image using the silver halide color photographic light-sensitive material is also described.Type: GrantFiled: January 17, 1984Date of Patent: January 29, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Morio Yagihara, Tsumoru Hirano, Makoto Umemoto
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Patent number: 4495272Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer containing a cyan color image forming polymer coupler latex capable of forming a dye upon coupling with an oxidation product of an artomatic primary amine developing agent wherein the cyan color image forming polymer coupler latex contains at least one repeating unit represented by the general formula (I) described below and at least one repeating unit represented by the general formula (II) described below. ##STR1## wherein R.sub.1 represents a hydrogen atom, a lower alkyl group containing from 1 to 4 carbon atoms or a chlorine atom; and Q represents a cyan coupler residue capable of forming a dye upon coupling with an oxidized aromatic primary amine developing agent, ##STR2## wherein R.sub.2 represents a hydrogen atom, a lower alkyl group containing from 1 to 4 carbon atoms or a chlorine atom; and R.sub.3 and R.sub.Type: GrantFiled: July 12, 1983Date of Patent: January 22, 1985Assignee: Fuji Photo Film Co., Ltd.Inventors: Morio Yagihara, Tsumoru Hirano, Mitsunori Hirano, Makoto Umemoto
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Patent number: 4481268Abstract: A method of forming a photographic azo or azamethine dye image in an exposed photographic silver halide element, the method of comprising the steps of (a) developing the imagewise exposed material to form an imagewise pattern of oxidized color developing agent, (b) reacting the oxidized color developing agent with a color coupler to produce an image dye, characterized in that at least one of the color developing agent and the color coupler possesses a metal chelating site such that the image dye is capable of forming a bi-, tri- or higher-dentate metallized dye, and (c) contacting the image dye with polyvalent metal ions to form a metallized dye image. Specified color developing agents include heterocyclic substituted hydrazides and specified couplers include benziso-oxazolones and 2H-pyrazolo-[3,4-b]pyridines in addition to more conventional compounds.Type: GrantFiled: April 29, 1983Date of Patent: November 6, 1984Assignee: Eastman Kodak CompanyInventors: Joseph Bailey, David Clarke, Michael W. Crawley, Peter D. Marsden, Jasbir Sidhu
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Patent number: 4477558Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, the color photographic light-sensitive material containing a cyan dye forming coupler represented by the following general formula (I): ##STR1## wherein R represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a heterocyclic group; X represents a hydrogen atom or a group capable of being released upon an oxidative coupling reaction with a developing agent; R.sup.1 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group.Type: GrantFiled: April 21, 1983Date of Patent: October 16, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Akira Ogawa, Kozo Aoki, Takayoshi Kamio
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Patent number: 4465766Abstract: There is disclosed a silver halide photosensitive material for color photography which comprises a phenol type cyan coupler having the formula: ##STR1## wherein the substituents X.sup.1, X.sup.2, Y, Z and n are as defined in the specification and claim of this application.The cyan coupler mentioned above is a novel cyan dye image-forming coupler and the photosensitive material containing the same according to the present invention has removed the various drawbacks in the prior art.Type: GrantFiled: October 11, 1983Date of Patent: August 14, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Ryosuke Sato, Katsunori Kato, Takashi Sasaki, Hiroshi Sugita
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Patent number: 4458011Abstract: The present invention relates to compounds of the type comprising a ballasting group which renders said compounds substantially fast to diffusion in hydrophilic colloid media and at least one photographically useful group which is chemically linked to said ballasting group, and to photographic elements containing at least one compound of the type referred to.The ballasting groups in the compounds according to the present invention are derived from mono- or di-esters or -ethers of glycerol. The linkage between ballasting group and photographically useful group can be realized via acid chlorides which are derived from the above-said glycerol derivatives.Type: GrantFiled: October 29, 1982Date of Patent: July 3, 1984Assignee: AGFA-Gevaert, N.V.Inventors: Christian C. Van de Sande, Jan J. Vandewalle, Marcel J. Monbaliu, Raphael K. Van Poucke
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Patent number: 4458012Abstract: Disclosed is a light-sensitive silver halide color photographic material having at least one light-sensitive silver halide emulsion layer on a support, characterized in that said light-sensitive silver halide emulsion layer contains a cyan coupler represented by formula [I] shown below, and said light-sensitive silver halide emulsion layer and/or a layer contiguous to said light-sensitive silver halide emulsion layer contains a colored cyan coupler represented by the formula [II]: ##STR1## wherein X, R.sub.1 and R.sub.2 are as defined in the specification; ##STR2## wherein (Coup--).sub.c, L, Q.sub.1, Q.sub.2, M, j, and G are as defined in the specification.Type: GrantFiled: February 22, 1983Date of Patent: July 3, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Kenji Ito, Satoru Shimba, Yasuo Tsuda, Hiroshi Sugita
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Patent number: 4456681Abstract: A color photographic material comprising on a support a first silver halide emulsion layer containing a yellow coupler, a second silver halide emulsion layer containing a magenta coupler, a third silver halide emulsion layer containing a cyan coupler, said third emulsion layer being positioned farthest from the support, a first non-light-sensitive layer formed on one side of said third emulsion layer opposite to the support, and a second non-light-sensitive layer formed on the other side of said third emulsion layer, at least said first non-light sensitive layer containing a UV absorber.Type: GrantFiled: May 27, 1983Date of Patent: June 26, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Takashi Kadowaki, Kaoru Onodera
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Patent number: 4455367Abstract: A silver halide color photographic light-sensitive material containing particles of a coupler solution, comprising a cyan dye forming coupler represented by the following general formula (I) ##STR1## wherein A represents a cyan coupler residue, but the --NHCO-- group does not bond to A in the active position of A; R.sup.1 represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group; R.sup.2 represents a hydrogen atom or a substituted or unsubstituted alkyl group; R.sup.3 represents a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group; and n represents an integer of 1 to 3, and when n is 2 or more R.sup.3 may be the same or different, and a coupler solvent having a dielectric constant of 2.5 to 5. The silver halide color photographic light-sensitive material provides a color image having good fastness to heat and light as well as excellent color reproducibility.Type: GrantFiled: April 19, 1982Date of Patent: June 19, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshio Seoka, Kozo Aoki
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Patent number: 4455366Abstract: A silver halide color, photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer containing a cyan color image forming polymer coupler latex which is capable of forming a dye upon coupling with an oxidation product of an aromatic primary amine developing agent and which is a polymer or copolymer having a repeating unit derived from a monomer represented by the following general formula (I): ##STR1## wherein R.sub.1 represents a hydroden atom, a lower alkyl group containing from 1 to 4 carbon atoms or a chlorine atom; R.sub.2 represents a hydrogen atom or an unsubstituted or substituted alkyl group having from 1 to 4 carbon atoms; A.sub.1 represents an unsubstituted or substituted alkylene group which may be a straight chain or a branched chain; A.sub.2 represents an unsubstituted or substituted alkylene group which may be a straight chain or a branched chain, an unsubstituted or substituted aralkylene group or an unsubstituted or substituted phenylene group; B.Type: GrantFiled: June 6, 1983Date of Patent: June 19, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Tsumoru Hirano, Makoto Umemoto, Morio Yagihara
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Patent number: 4454225Abstract: A color photographic light-sensitive material comprising a support having thereon a green-sensitive silver halide emulsion layer containing a magenta dye forming coupler represented by the following general formula (I) ##STR1## wherein R.sup.4 represents a halogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted alkoxy group; R.sup.5 represents a hydrogen atom, a halogen atom, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group or a substituted or unsubstituted acylamino group; R.sup.6 represents a hydrogen atom, a halogen atom or a mono-valent organic residue; X represents a hydrogen atom or a group capable of being released upon coupling and exhibiting a two-equivalent property; and n represents an integer from 1 to 5 and when n represents 2 or more, R.sup.Type: GrantFiled: June 1, 1982Date of Patent: June 12, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobuo Sakai, Yoshio Seoka, Kozo Aoki
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Patent number: 4451558Abstract: A silver halide color photographic light-sensitive material containing a phenol cyan coupler having an ureido group in the 2-position dispersed in a phthalic ester.Type: GrantFiled: June 2, 1983Date of Patent: May 29, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Hiroshi Sugita, Satoshi Kawakatsu, Yutaka Kaneko
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Patent number: 4451559Abstract: There is disclosed a silver halide photosensitive material for color photography which comprises a phenol type cyan coupler having the formula: ##STR1## wherein the substituents X.sup.1, X.sup.2, Y, Z and n are as defined in the specification and claim of this application.The cyan coupler mentioned above is a novel cyan dye image-forming coupler and the photosensitive material containing the same according to the present invention has removed the various drawbacks in the prior art.Type: GrantFiled: August 12, 1983Date of Patent: May 29, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Ryosuke Sato, Katsunori Kato, Takashi Sasaki, Hiroshi Sugita
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Patent number: 4450228Abstract: Disclosed is a light-silver silver halide color photographic material, having a blue sensitive silver halide emulsion layer, a green sensitive silver halide emulsion and a red sensitive silver halide emulsion on a support; which comprises said red sensitive silver halide emulsion containing at least one kind of the compounds represented by the formula [I] shown below, and further the content of the silver halide contained in all of the aforesaid light-sensitive silver halide emulsion layers being 7.5 g/m.sup.2 or more as calculated on silver, and the content of the silver halide contained in said red sensitive silver halide emulsion being 3.5 g/m.sup.2 or more as calculated on silver: ##STR1## wherein, X, R.sub.1 and R.sub.2 as defined in the specification.Type: GrantFiled: February 22, 1983Date of Patent: May 22, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Satoru Shimba, Kenji Ito, Yasuo Tsuda, Hiroshi Sugita
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Patent number: 4444870Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon a layer containing at least one copolymer coupler latex having a layered structure capable of forming a dye upon coupling with an oxidation product of an aromatic primary amine developing agent. The polymer coupler latex having a layered structure has an exceptionally good color forming property and is capable of forming a dye with a high yield and without the formation of undesired stains and fogs. The silver halide color photographic light-sensitive material containing the polymer coupler latex has good film strength and a reduced layer thickness and provides a color image having an improved sharpness. A method of forming a color image using the silver halide color photographic light-sensitive material is also disclosed.Type: GrantFiled: September 7, 1982Date of Patent: April 24, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Tsumoru Hirano, Keiji Mihayashi, Morio Yagihara
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Patent number: 4444872Abstract: A method for forming a silver halide color photographic image comprising forming a dye image in the presence of a phenol cyan coupler. The phenol cyan coupler has the following formula: ##STR1## wherein R is an alkyl, an aryl or a heterocyclic group; X is selected from the group consisting of an alkyl, acyloxy, acylamino, succinimide, and sulfoneamide moiety; Z is a hydrogen atom or a group capable of eliminating itself from the coupler during the coupling reaction with the oxidized product of a color developing agent; and n is an integer from 1 to 3, and when n is 2 or 3, X may be the same or different.Type: GrantFiled: August 10, 1982Date of Patent: April 24, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Katsunori Kato, Ryosuke Sato
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Patent number: 4443536Abstract: Photographic couplers comprising a coupler moiety and a ballast moiety have advantageous properties when the ballast moiety is terminated with a hydroxyphenylsulfonyl or hydroxyphenylsulfinyl group. The couplers are useful in photographic emulsions and element.Type: GrantFiled: April 8, 1982Date of Patent: April 17, 1984Assignee: Eastman Kodak CompanyInventor: Gregory J. Lestina
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Patent number: 4434225Abstract: Disclosed is a light-sensitive silver halide color photographic material having at least one light-sensitive silver halide emulsion layer on a support, characterized in that said light-sensitive silver halide emulsion layer contains a cyan coupler represented by the formula [I] shown below, and said light-sensitive silver halide emulsion layer and/or a layer contiguous to said light-sensitive silver halide emulsion layer contains at least one of a timing DIR compound represented by the formula [II] shown below and a non-timing type DIR compound: ##STR1## wherein X, R.sub.1 and R.sub.2 are as defined in the specification; ##STR2## wherein Cp, TIME and Z are as defined in the specification.Type: GrantFiled: February 22, 1983Date of Patent: February 28, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Hiroshi Sugita, Yasuo Tsuda, Kenji Ito, Satoru Shimba
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Patent number: 4433050Abstract: A direct positive type light sensitive silver halide photographic material is disclosed. At least one layer containing an unfogged internal latent image type silver halide emulsion, is provided on a support, and an internal latent image type silver halide emulsion having fog centers in silver halide grains, is incorporated in said layer or in another constituent layer of the photographic material. A dye image forming substance may be incorporated in the same layer or in a separate layer to form a color diffusion transfer type light sensitive photograhic material. The photographic materials present a positive image having a high maximum density and a low minimum density.Type: GrantFiled: September 9, 1981Date of Patent: February 21, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Takao Abe, Satoru Hohnishi
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Patent number: 4430424Abstract: The invention relates to a color photographic light-sensitive material comprising a support and a hydrophilic colloid layer coated thereon, said layer comprising a non-diffusible coupler and a hydrophilic colloid layer having an aromatic primary amine developing agent and/or its precursor and a polymer layer coated thereon wherein said polymer is permeable to an alkaline processing liquid but less permeable to said aromatic primary amine developing agent and/or its precursor, and the diffusion rate of said aromatic primary amine developing agent and/or its precursor, when dissolved in the alkaline processing liquid, in the polymer layer is not greater than 5.times.10.sup.-8 cm.sup.2 /sec per second at room temperature.Type: GrantFiled: September 1, 1982Date of Patent: February 7, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Ken Okauchi, Tatsuhiko Kobayashi
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Patent number: 4427767Abstract: A silver halide color photographic sensitive material is disclosed. The material is comprised of a substrate having a silver halide emulsion layer position thereon and a cyan dye forming coupler. The coupler is reresented by the general formula (I): ##STR1## wherein R represents a substituted or nonsubstituted alkyl group, aryl group or heterocyclic group, X represents a group capable of releasing by an oxidative coupling reaction with a developing agent, and R.sup.1 represents a substituted or nonsubstituted alkyl group or aryl group. The coupler of the invention can be easily dissolved in a high boiling point organic solvent and makes possible production of a light sensitive material having a high dye forming rate, high maximum color density and good fastness to light. Furthermore, the couplers prevent a large decrease in density when the bleaching solution utilized has a weak oxidation ability.Type: GrantFiled: December 6, 1982Date of Patent: January 24, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Kozo Aoki, Yoshio Seoka