And Solvent Or Emulsifier Or Coating Aid Patents (Class 430/546)
  • Patent number: 4810625
    Abstract: Color photographic recording material which contain pyrazolone magenta couplers, in particular 3-acylaminopyrazolone magenta couplers, have increased stability to formaldehyde if a compound corresponding to formula (I) is used as oil former for the magenta couplers:A[-(R.sup.1).sub.1 -L-(R.sup.2).sub.m -B].sub.n (I)In the above formula,A, B each denote a hydrocarbon group optionally substituted by COOH, OH or NH.sub.2, at least one of the groups A and B being a bicyclic or tricyclic hydrocarbon group with at least 7 carbon atoms optionally substituted by COOH, OH or NH.sub.2,R.sup.1 and R.sup.2 denote an alkylene group with 1 to 6 carbon atoms,L denotes CO--O, O--CO, CO--NH or NH--CO,l and m have the value 0 or 1 andn has the value 1 or 2.
    Type: Grant
    Filed: April 15, 1987
    Date of Patent: March 7, 1989
    Assignee: Agfa-Gevaert Aktiengesellschaft
    Inventors: Klaus Wagner, Johannes Sobel, Fritz Nittel
  • Patent number: 4808502
    Abstract: This invention relates to a color photographic silver halide recording material containing a dye image-forming coupler compound and a compound which is capable of altering the spectral absorption properties of a dye formed by reaction of the coupler compound with oxidized developing agent.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: February 28, 1989
    Assignee: Eastman Kodak Company
    Inventor: Paul B. Merkel
  • Patent number: 4803151
    Abstract: A photographic material for the silver dye bleach process comprises, in at least one layer, a colloidal dispersion of azo in gelatine, the ratio of azo dye to gelatine being 1:1 to 1:10.
    Type: Grant
    Filed: February 11, 1987
    Date of Patent: February 7, 1989
    Assignee: Ciba-Geigy AG
    Inventors: Rolf Steiger, Matthias Schellenberg
  • Patent number: 4795696
    Abstract: Disclosed is a light-sensitive silver halide photographic material, comprising a plural number of photographic constituent layers on a support, wherein at least one of the layers is a silver halide emulsion layer containing a magenta coupler represented by Formula (I) shown below, and at least one of the photographic constituent layers excluding at least the above silver halide emulsion layer contains at least one of the compounds represented by Formula (a) and Formula (b) shown below:Formula (I): ##STR1## Formula (a) ##STR2## Formula (b) ##STR3## The light-sensitive silver halide photographic material according to this invention have excellent color reproducibility, and is remarkably improved in both the fastness to light of magenta dye images and the resistance to the yellowing thereof to be generated by light (light stain).
    Type: Grant
    Filed: April 19, 1988
    Date of Patent: January 3, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Sasaki, Kaoru Onodera
  • Patent number: 4794072
    Abstract: A photographic element comprising a support having thereon at least one silver halide emulsion layer having associated therewith a yellow or cyan dye-forming coupler and a dye stabilizer comprising a phosphate ester compound having the formula: ##STR1## wherein each Ar independently represents a substituted or unsubstituted arcyl group, andX is a linking group.
    Type: Grant
    Filed: February 24, 1988
    Date of Patent: December 27, 1988
    Assignee: Eastman Kodak Company
    Inventor: John D. Goddard
  • Patent number: 4791050
    Abstract: A silver halide color photographic material is described, which comprises a support having provided therein at least a blue-sensitive emulsion layer, a green-sensitive emulsion layer and a red-sensitive emulsion layer, with the blue-sensitive emulsion layer comprising at least two layers differing in sensitivity, one of which is the highest sensitive emulsion layer containing at least one yellow-dye-forming coupler represented by the general formula (I), and the other of which is the lowest sensitive emulsion layer containing at least one yellow-dye-forming coupler represented by the general formula (II), whereby a yellow dye image having high maximum density and excellent in sharpness, graininess and light fastness can be produced: ##STR1##
    Type: Grant
    Filed: May 7, 1987
    Date of Patent: December 13, 1988
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Akira Ogawa, Hiroshi Fukuzawa
  • Patent number: 4774166
    Abstract: A method for the formation of a color image is described, wherein a silver halide color photographic material comprising a photographic layer provided on a reflective support is imagewise exposed and then subjected to development for a period of time within 2 minutes and 30 seconds with a color developer which contains an aromatic primary amine developing agent but does not substantially contain benzyl alcohol, wherein said photographic layer contains at lesat one specific non-coloring coloration accelerator selected from the group consisting of compounds represented by formulae (I) through (VII) defined in the specification.
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: September 27, 1988
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Minoru Sasaki, Tadahisa Sato, Nobuo Furutachi, Takeshi Hirose
  • Patent number: 4770987
    Abstract: A silver halide color photographic material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer having dispersed therein lipophilic fine particles containing an image dye forming lipophilic coupler, wherein the lipophilic fine particles further contain at least one lipophilic compound having a water-solubility of not more than 1% by weight at 25.degree. C. and represented by formula (I):R.sub.0 SO.sub.2 X (I)wherein R.sub.0 represents a substituted or unsubstituted alkyl, aryl or heterocyclic group having 8 or more total carbon atoms; and X represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, a nitrogen-containing organic base, ammonium or a group represented by formula (A): ##STR1## wherein R.sub.1 represents a hydrogen atom or a substituted or unsubstituted alkyl, aryl or heterocyclic group; R.sub.2 represents a hydrogen atom, a halogen atom or a substituted or unsubstituted alkyl, aryl, acyloxy or sulfonyl group; and R.sub.
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: September 13, 1988
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Osamu Takahashi, Hideaki Naruse, Masakazu Morigaki, Nobutaka Ohki, Tadahisa Sato
  • Patent number: 4770983
    Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide color photographic material contains at least one yellow dye-forming coupler represented by the formula (I) ##STR1## wherein R.sub.1 represents a substituted or unsubstituted tertiary alkyl group or a substituted or unsubstituted aryl group; R.sub.2 represents a chlorine atom or an alkoxy group; R.sub.3 represents a straight chain or branched chain alkyl group having from 8 to 26 carbon atoms; R.sub.4 represents a branched alkyl group having from 3 to 12 carbon atoms; and R.sub.5 represents a hydrogen atom or a halogen atom.
    Type: Grant
    Filed: August 11, 1987
    Date of Patent: September 13, 1988
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Akira Ogawa, Hiroshi Fukuzawa
  • Patent number: 4767697
    Abstract: Photographic coupler solvents which are solid at ordinary temperature are described for incorporation in photographic emulsions and elements. The solvents are employed in combination with a cyan dye forming coupler of the specific phenol type and a discoloration inhibitor of the dihydroxybenzene ether type to improve long-term preservability of the developed cyan dye particularly by exposure to mild heat and humidity.
    Type: Grant
    Filed: January 21, 1986
    Date of Patent: August 30, 1988
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Makoto Umemoto, Yoshio Seoka, Masakazu Morigaki
  • Patent number: 4766061
    Abstract: Loss in dark stability of a photographic silver halide element can be reduced by introducing into a dispersion comprising a dye-forming coupler for preparing such an element, a lipophilic anionic surfactant which comprises a sulphate or sulphonate group as the sole hydrophilic group and either a single aliphatic hydrocarbon group having at least 15 carbon atoms or two or more aliphatic hydrocarbon groups which together contain at least 17 carbon atoms. A second, less lipophilic, anionic surfactant can also be used in preparing the coupler dispersion.
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: August 23, 1988
    Assignee: Eastman Kodak Company
    Inventor: Michael J. Simons
  • Patent number: 4753870
    Abstract: A light-sensitive silver halide photographic material having a support and at least one silver halide emulsion layer on the support. At least one layer of the silver halide emulsion layer contains a compound of the Formula I ##STR1## wherein Z represents a group of non-metallic atoms necessary to complete a nitrogen-containing heterocyclic ring which may have a substituent; X represents a hydrogen atom or a substituent capable of being split off upon reaction with an oxidation product of a color developing agent; and R represents a hydrogen atom or a substituent; and a compound represented by formula 1R.sup.1 (O).sub.n SO.sub.3 Mwherein R.sup.1 represents an alkyl group; M represents a hydrogen atom or a cation and n is 0 or 1.
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: June 28, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shun Takada, Toyoki Nishijima, Kaoru Onodera
  • Patent number: 4749645
    Abstract: A photographic element comprising a silver halide emulsion layer having associated therewith a compound having the formula ##STR1## wherein Y is --O--, --S--, --NH-- or --NR.sup.1 --;n is 0 or 1;each R.sup.1 independently is the residue of a phosphorus acid;each Z independently represents the atoms necessary to complete a substituted or unsubstituted benzene ring; and,X is a single bond or a linking group having a single atom which separates the two benzene rings.Use of the compound provides increased stability of the dye image obtained during photographic processing.
    Type: Grant
    Filed: September 30, 1987
    Date of Patent: June 7, 1988
    Assignee: Eastman Kodak Company
    Inventors: John D. Goddard, Llewellyn J. Leyshon
  • Patent number: 4745049
    Abstract: A silver halide photographic light-sensitive material improved in the color fastness of yellow dye images against light is disclosed. The photographic material comprises a silver halide emulsion layers containing a compound represented by General Formula [I] and a yellow coupler represented by General Formula [II]: ##STR1## wherein J is an alkylene group, R.sub.1 through R.sub.3 are each substituents and n is an integer 1 to 3, ##STR2## wherein R.sub.11 and R.sub.12 are each a hydrogen atom or substituents and R.sub.13 is a hydrogen atom or a substituent and Z.sub.1 is a group capable of being splitted of from the coupler residue upon reaction of the coupler with the oxidized product of a color developing agent.
    Type: Grant
    Filed: April 7, 1987
    Date of Patent: May 17, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Keiji Ohbayashi, Akiyoshi Tai, Noboru Mizukura
  • Patent number: 4731320
    Abstract: A silver halide photographic material having one or more silver halide emulsion layers formed on a support is disclosed wherein at least one of said silver halide emulsion layers contains at least one cyan coupler of formula (I) dispersed therein with the aid of a high-boiling organic solvent having a dielectric constant of not more than 6.0: ##STR1## (wherein R.sub.1 is a straight- or branched-chain alkyl group having 2 or 4 carbon atoms; X is a hydrogen atom or a group capable of leaving upon coupling reaction; and R.sub.2 is a ballast group).
    Type: Grant
    Filed: August 13, 1986
    Date of Patent: March 15, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Sasaki, Toyoki Nishijima, Shun Takada, Takashi Kadowaki, Kaoru Onodera
  • Patent number: 4728599
    Abstract: Photographic coupler dispersion addenda comprising phenolic esters of di-, tri- and tetra-carboxybenzene derivatives having bulky ortho substituents are described for incorporation in photographic emulsions and elements. The solvents are preferably employed in the cyan layer to protect the cyan dye against ferrous ion reduction. The solvents also provide improvements in yellow dye stability to light and cyan dye stability to light, heat and humidity.
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: March 1, 1988
    Assignee: Eastman Kodak Company
    Inventor: Sundaram Krishnamurthy
  • Patent number: 4727015
    Abstract: A photographic element comprising a support having thereon at least one silver halide emulsion layer having associated therewith a dye-forming coupler and an organosilane, nonhydrolyzable in an alkaline medium, wherein:(a) one or two aryloxy groups are attached to the silicon atom of the silane either directly or indirectly through an alkylene group or an alkyleneoxy group, and(b) each aryloxy group is attached directly or indirectly through a single linking group to an aryl group substituted with a hydroxy, hydroxyalkoxy, organosilyloxy, organosilylalkoxy or organosilyloxyalkoxy group.Use of the compounds provides an improvement in density and contrast.
    Type: Grant
    Filed: January 2, 1987
    Date of Patent: February 23, 1988
    Assignee: Eastman Kodak Company
    Inventor: Christopher P. Moore
  • Patent number: 4724197
    Abstract: A color photographic recording material contains at least one silver halide emulsion layer which is divided into a partial layers of different sensitivity, at least one relatively high-sensitivity partial layer containing a synthetic polymer and gelatin in a ratio by weight of from 30:70 to 80:20.
    Type: Grant
    Filed: May 30, 1986
    Date of Patent: February 9, 1988
    Assignee: Agfa Gevaert Aktiengesellschaft
    Inventors: Reinhart Matejec, Wolfgang Himmelmann, Gunter Helling
  • Patent number: 4716099
    Abstract: Liquid petroleum sulfonates are useful alone or in combination with less lipophilic anionic surfactants in the preparation of dispersions of water-insoluble photographic addenda, such as couplers and ultraviolet absorbers, in hydrophilic colloid compositions. Such dispersions are useful in photographic elements. Crystallization of the addenda is inhibited and, for some addenda, other advantages are obtained.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: December 29, 1987
    Assignee: Eastman Kodak Company
    Inventor: Michael J. Simons
  • Patent number: 4714671
    Abstract: Polymer latices in which the dispersed particles consist of a soft core and a hard shell are suitable plasticizers for gelatine in photographic recording materials.
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: December 22, 1987
    Assignee: Agfa Gevaert Aktiengesellschaft
    Inventors: Gunter Helling, Wolfgang Himmelmann
  • Patent number: 4710454
    Abstract: Photographic recording materials with improved processing stability are obtained by incorporating at least one phosphonic acid and at least one polyacrylic derivative.
    Type: Grant
    Filed: January 6, 1986
    Date of Patent: December 1, 1987
    Inventors: Hans Langen, Heinz-Dieter Schutz, Ubbo Wernicke, Wolfgang Himmelmann, Gunter Renner
  • Patent number: 4704350
    Abstract: A silver halide color photographic material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer having dispersed therein lipophilic fine particles containing a certain type of lipophilic pyrazoloazole coupler, and said lipophilic fine particles further contain at least one lipophilic mercapto compound represented by formula (II)R--SH (II)wherein R represents a substituted or unsubstituted alkyl, alkenyl, or aryl group, and said compound of formula (II) has a water solubility of not more than 1% by weight at 25.degree. C.The material is prevented from forming color stain caused by processing solution components that become incorporated into the materials during development processing.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: November 3, 1987
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masakazu Morigaki, Nobutaka Ohki, Osamu Takahashi, Hideaki Naruse
  • Patent number: 4684606
    Abstract: Photographic coupler solvents comprising aromatic carboxylic esters such as phthalates and isophthalates having bulky or branched ester substituents are described for incorporation in photographic emulsions and elements. The solvents are preferably employed in the cyan layer to protect the cyan dye against ferrous ion reduction. The solvents also provide improvements in yellow dye stability to light, cyan dye stability in the dark and magenta dye stability to heat and light.
    Type: Grant
    Filed: December 24, 1985
    Date of Patent: August 4, 1987
    Assignee: Eastman Kodak Company
    Inventor: Sundaram Krishnamurthy
  • Patent number: 4668611
    Abstract: A color photographic light-sensitive material comprising a support having thereon, in sequence:(1) a blue-sensitive silver halide emulsion layer containing, dispersed in the emulsion using a high-boiling organic solvent, a yellow coupler represented by the following general formula (I): ##STR1## with the weight ratio of the high-boiling organic solvent for dispensing the coupler to the yellow coupler being 1.0:1 or less;(2) a green-sensitive silver halide emulsion layer containing a magenta coupler represented by the following general formula (II): ##STR2## (3) a red-sensitive silver halide emulsion layer containing a cyan coupler represented by the following general formula (III): ##STR3## (4) an ultraviolet light absorbing layer containing an ultraviolet light absorbent represented by the following general formula (IV): ##STR4## in which the substituents X, Z, and R.sub.1 -R.sub.12 are as defined in the specification.
    Type: Grant
    Filed: October 8, 1986
    Date of Patent: May 26, 1987
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Kotaro Nakamura
  • Patent number: 4639413
    Abstract: A silver halide color photographic material is described, comprising a support having formed thereon at least one silver halide emulsion layer having dispersed therein, in a coexisting state, at least one magenta coupler represented by formula (I) and at least one high-boiling point organic solvent represented by the formula (II) ##STR1## wherein R.sup.1 and R.sup.2 each represents a hydrogen atom or a substituent and x represents a hydrogen atom or a group capable of being released by a coupling reaction with the oxidation product of an aromatic primary amine developing agent; andwherein R.sup.3, R.sup.4, and R.sup.5 each represents an alkyl group, a cycloalkyl group, or an alkenyl group, and the total number of carbon atom of the groups R.sup.3, R.sup.4 and R.sup.5 is from 12 to 60.
    Type: Grant
    Filed: August 14, 1985
    Date of Patent: January 27, 1987
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Toshio Kawagishi, Kiyoshi Nakazyo
  • Patent number: 4631252
    Abstract: New hydroquinone ether compounds of formula I are described: ##STR1## wherein p is 1 or 2 and q is 0 or 1, provided that p+q is 1 or 2, R is a residue of formula II ##STR2## and R.sub.o, R.sub.oo, R.sub.1, R.sub.2, R.sub.3, Q, n and k are as defined in the specification.The new compounds are useful e.g. as stabilizers in photographic material.
    Type: Grant
    Filed: June 6, 1985
    Date of Patent: December 23, 1986
    Assignee: Ciba-Geigy AG
    Inventor: Frederick H. Howell
  • Patent number: 4624903
    Abstract: Liquid petroleum sulfonates are useful alone or in combination with less lipophilic anionic surfactants in the preparation of dispersions of water-insoluble photographic addenda, such as couplers and ultraviolet absorbers, in hydrophilic colloid compositions. Such dispersions are useful in photographic elements. Crystallization of the addenda is inhibited and, for some addenda, other advantages are obtained.
    Type: Grant
    Filed: November 21, 1985
    Date of Patent: November 25, 1986
    Assignee: Eastman Kodak Company
    Inventor: Michael J. Simons
  • Patent number: 4614709
    Abstract: A silver halide photographic light-sensitive material having a support with at least one silver halide emulsion layer is provided. The silver halide emulsion layer containing in combination at least one yellow dye image-forming coupler of Formula I and at least one high-boiling organic solvent of Formula II to reduce the light discoloration of a yellow dye image.
    Type: Grant
    Filed: December 20, 1983
    Date of Patent: September 30, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Sasaki, Kaoru Onodera
  • Patent number: 4610945
    Abstract: An encapsulated toner for use in electrostatography which comprises a shell and a core material comprising a colorant, a binder and a surface active polymer containing at least 5 mol % of a unit having the formula (I): ##STR1## wherein R is an aliphatic hydrocarbon group having 4 to 22 carbon atoms, A is a divalent aliphatic group having 1 to 50 carbon atoms, B is --O-- or NH--, M is a cation or a cationic radical capable of forming a salt with a sulfonic acid, and m and n are independently 0 or 1. A process for preparing the encapsulated toner which comprises forming a shell around a core material comprising a colorant and a binder in an aqueous medium, characterized in that said core material contains a surface active polymer containing at least 5 mol % of a unit having the above formula (I).
    Type: Grant
    Filed: December 14, 1984
    Date of Patent: September 9, 1986
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Katsumi Matsuoka, Takeshi Mikami
  • Patent number: 4609618
    Abstract: Silver halide photographic light-sensitive material comprising a support and at least one silver halide emulsion layer thereon, said layer comprising at least one cyan coupler of Formula I, said coupler having been dispersed in said emulsion layer by use of at least one solvent of Formula II, ##STR1## wherein R.sub.1 is an alkyl radical or an aryl radical; R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each is a radical selected from the group consisting of hydrogen, halogens, hydroxyl radical, nitro radical, cyano radical, alkyl radicals, alkoxy radicals, aryl radicals, aryloxy radicals, alkylsulfamoyl radicals, arylsulfamoyl radicals, alkyloxycarbonyl radicals, aryloxycarbonyl radicals, alkylsulfonamido radicals, arylsulfonamido radicals, alkylsulfonyl radicals and arylsulfonyl radicals, provided that when R.sub.2 is a radical selected from said alkylsulfonamido radicals, R.sub.6 also is selected from said alkylsulfonamido radicals; and Z.sub.
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: September 2, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Sasaki, Kaoru Onodera
  • Patent number: 4594314
    Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon a lower-speed emulsion containing a phenol cyan coupler and a higher-speed emulsion containing a naphthol cyan coupler. Both the lower-speed emulsion and the higher-speed emulsion have the same color sensitivity.
    Type: Grant
    Filed: July 5, 1985
    Date of Patent: June 10, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshihiko Kimura, Takashi Sasaki, Yutaka Kaneko
  • Patent number: 4592991
    Abstract: A silver halide photographic printing paper is described, comprising a support and a photographic layer containing a silver halide developing agent, wherein a dispersion of an oil-soluble brightening agent in a high boiling point organic solvent having a specific inductive capacity of 7.5 or less is contained in the photographic layer. This printing paper yields a background of high whiteness even when processed under rapid processing conditions.
    Type: Grant
    Filed: December 20, 1984
    Date of Patent: June 3, 1986
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tetsuo Yoshida, Tadayoshi Kokubo, Keiichi Adachi, Tadashi Ikeda, Hidetoshi Kobayashi
  • Patent number: 4585728
    Abstract: A silver halide color photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer is described, the color photographic light-sensitive material having at least one layer containing (1) at least one 2-equivalent magenta coupler represented by formula (I): ##STR1## wherein W represents a phenyl group substituted with at least one halogen atom, alkyl group, alkoxy group, alkoxycarbonyl group or cyano group; Y represents an acylamino group or an anilino group; and Z represents a group capable of being released upon coupling, and (2) at least one amine compound having at least two groups other than a hydrogen atom represented by formula (II): ##STR2##
    Type: Grant
    Filed: June 7, 1985
    Date of Patent: April 29, 1986
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuo Furutachi, Takeshi Hirose
  • Patent number: 4576909
    Abstract: 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: Grant
    Filed: October 4, 1984
    Date of Patent: March 18, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Sohei Goto, Ken Okauchi
  • Patent number: 4569905
    Abstract: A silver halide photographic light-sensitive material comprising a support having thereon at least one photographic silver halide emulsion layer. The light-sensitive material contains at least one hydrophilic organic colloid layer in which at least one photographically useful reagent is dispersed in the presence of a specific surface-active polymer. The polymer contains at least 5 mole % of units represented by the following general formula (I-1) or (I-2): ##STR1## wherein R.sub.1 represents a substituted or unsubstituted alkyl, alkenyl or aryl group having 1 to 30 carbon atoms, A and D each represents a single bond or a divalent linking group, R.sub.2 represents a substituted or unsubstituted alkyl or aryl group, R.sub.3 and R.sub.4 each represents hydrogen or a substituted or unsubstituted alkyl or aryl group, R.sub.2 and R.sub.3 or R.sub.3 and R.sub.4 may respectively form a ring, X represents a single bond or a substituted or unsubstituted alkylene, alkenylene or arylene group, Y represents --COOM, --SO.
    Type: Grant
    Filed: March 21, 1985
    Date of Patent: February 11, 1986
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuo Mukunoki, Jiro Yamaguchi, Masakazu Yoneyama
  • Patent number: 4562146
    Abstract: A silver halide color photographic material is disclosed. The material contains a photographic magenta coupler of formula (I) and a phenolic compound of formula (II) within a silver halide emulsion layer: ##STR1## (wherein R.sub.1 and R.sub.2 are each an alkyl group or an aryl group; Z is a hydrogen atom or a group that can be eliminated upon coupling reaction with the oxidized product of a color developing agent); ##STR2## (wherein R.sub.3 is an alkyl group, an alkoxy group, an aryl group or an amino group; R.sub.4 is an alkyl group, an alkoxy group or a halogen atom; s is an integer of 0 to 2, provided that when s is 2, R.sub.4 may be the same or different).
    Type: Grant
    Filed: November 16, 1984
    Date of Patent: December 31, 1985
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kosaku Masuda, Kaoru Miyagi, Katsunori Katoh, Noritaka Nakayama, Toshihiko Kimura, Satoshi Kawakatsu
  • Patent number: 4557999
    Abstract: 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 and a cyan dye forming coupler. The coupler is a compound represented by the general formula (I): ##STR1## wherein the substituents in the general formula (I) are as defined in the specification. The coupler has good solubility in an organic solvent having a high boiling point and a high dye forming rate even in a color developing solution which does not contain benzyl alcohol. Further, the coupler provides a cyan color image having a high maximum density and excellent fastness to light. Decreasing in optical density of the cyan color image is not substantially observed even when the color photographic light-sensitive material is processed with a bleaching solution which has a weak oxidation power or a bleaching solution which is exhausted.
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: December 10, 1985
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Akira Ogawa, Osami Tanabe
  • Patent number: 4554247
    Abstract: A silver halide photographic material having as essential photographic layers at least one photosensitive silver halide emulsion layer and at least one non-sensitive hydrophilic colloidal layer on a support is disclosed. At least one of said photographic layers contains fine oil globules at a density of 1 or more, and a hardener having at least three functional groups is incorporated in at least one photographic layer containing said fine oil globules and/or at least one photographic layer which is farther from said support than the photographic layer containing said fine oil globules.
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: November 19, 1985
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kiyotoshi Yamashita, Minoru Ishikawa, Hideo Ohta, Kenji Kumashiro
  • Patent number: 4551422
    Abstract: 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: Grant
    Filed: December 21, 1984
    Date of Patent: November 5, 1985
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshihiko Kimura, Yutaka Kaneko, Takashi Sasaki
  • Patent number: 4551424
    Abstract: A silver halide photographic light-sensitive material is described, comprising a support and at least one silver halide emulsion layer on the support, wherein the silver halide emulsion layer contains at least one specific type of sensitizing dye, at least one of the silver halide emulsion layer and other hydrophilic colloid layers contains at least one compound of four specific types of compounds and the silver halide grains contained in the silver halide emulsion are substantially tetradecahedral grains in which the proportion of (100) faces is at least 50%; this material is superior in both sensitivity and stain resistance.
    Type: Grant
    Filed: December 14, 1984
    Date of Patent: November 5, 1985
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tadashi Ikeda, Kenichi Kuwabara, Kiyohiko Yamamuro, Tadayoshi Kokubo
  • Patent number: 4547459
    Abstract: A photographic silver halide light-sensitive material is disclosed comprising a support and at least one silver halide emulsion layer on the support, wherein the emulsion layer or another hydrophilic organic colloid layer contains a compound represented by formula (I) ##STR1## wherein R.sub.1 and R.sub.2 represent the same or different groups and are each hydrogen, an alkyl group, or an aryl group, or R.sub.1 and R.sub.2 can be linked together to form an N-containing heterocyclic ring, provided that R.sub.1 and R.sub.2 are not both hydrogens; R.sub.f is a fluorine-containing group; one of X and Y is a hydrogen atom and another is a --SO.sub.3 M group wherein M is a cation.A method for high speed coating a photographic emulsion or another hydrophilic organic colloid composition is also disclosed wherein the improvement comprises a compound represented by formula (I) to the emulsion or the composition.
    Type: Grant
    Filed: October 7, 1981
    Date of Patent: October 15, 1985
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takayoshi Kamio, Kunihiko Ohga, Yasuo Mukunoki
  • Patent number: 4540657
    Abstract: Photographic coupler solvents having at least one terminal epoxy group and at least one ester or amide group are described for incorporation in photographic emulsions and elements. The solvents are preferably employed in the magenta layer to reduce background stain produced by exposure to light, heat and humidity.
    Type: Grant
    Filed: June 6, 1984
    Date of Patent: September 10, 1985
    Assignee: Eastman Kodak Company
    Inventor: Sundaram Krishnamurthy
  • Patent number: 4522917
    Abstract: A photographic silver halide light-sensitive material is disclosed. The material is comprised of a support and a photographic layer or layers on the support. The photographic layer contains at least one of the compounds represented by the general formula: A--OCH.sub.2 --Z (wherein A is a group capable of undergoing cleavage on application of alkali hydrolysis, and Z is a photographically useful group containing a nitrogen atom through which it is linked to the group A--OCH.sub.2 --). The compounds, i.e., photographically useful group precursors, as used herein are stable during the storage of the raw film and can release the photographically useful group at a controlled speed during development.
    Type: Grant
    Filed: November 18, 1983
    Date of Patent: June 11, 1985
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Seiji Ichijima, Keiji Mihayashi, Isamu Itoh
  • Patent number: 4518683
    Abstract: 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: Grant
    Filed: August 31, 1983
    Date of Patent: May 21, 1985
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kazuo Kato, Fumio Hamada, Kenji Ito
  • Patent number: 4517286
    Abstract: A color diffusion transfer process light-sensitive element is disclosed. The element is comprised of a support having coated thereon a light-sensitive silver halide emulsion layer which is associated with a dye image-providing compound. The dye image-providing compound is dispersed in a copresent state with a compound represented by the general formula (I): ##STR1## wherein the substituents within the general formula (I) are defined within the specification. The element has improved maximum image density and by utilizing the compound of the general formula (I) it is possible to obtain improved dispersion stability.
    Type: Grant
    Filed: December 2, 1983
    Date of Patent: May 14, 1985
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuhiro Noguchi, Masakazu Morigaki
  • Patent number: 4497893
    Abstract: A silver halide color reversal photographic material comprising a backing layer containing both gelatin of an isoelectric point of 5.5 or more and a cationic polymer is disclosed. By utilizing the particular backing layer the color reversal photographic material has increased retouchability.
    Type: Grant
    Filed: January 31, 1984
    Date of Patent: February 5, 1985
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Naoyasu Deguchi, Koji Kameyama, Taku Nakamura
  • Patent number: 4490462
    Abstract: There is disclosed a light-sensitive silver halide photographic material comprising at least one hydrophilic colloid layer containing at least one compound represented by the following general formula [I]: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 have the same meanings as defined in the specification.The light-sensitive silver halide photographic material according to this invention has excellent bacteriocidal properties and does not adversely affect photographic performance.
    Type: Grant
    Filed: March 21, 1983
    Date of Patent: December 25, 1984
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yasushi Kawaguchi, Kiyomitsu Mine, Keiko Ide, Yukie Yamashita, Soichiro Irie, Yotaro Hirao
  • Patent number: 4483918
    Abstract: A silver halide color photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer, the color photographic light-sensitive material having at least one layer containing at least one kind of 5-pyrazolone type 2-equivalent magenta coupler represented by the following general formula (Ia): ##STR1## wherein W represents phenyl substituted with at least one halogen, alkyl, alkoxy, alkoxycarbonyl or cyano; Y represents acylamino or anilino; and Z represents aryloxy, alkoxy, heterocyclic oxy, alkylthio, arylthio, heterocyclic thio, acylthio, acylamino, sulfonamido, alkoxycarbonylamino, aryloxycarbonylamino or nitrogen containing heterocyclic ring which is bonded to the active position of the pyrazolone ring through the nitrogen atom, and at least one kind of compound represented by the following general formula (II): ##STR2## wherein R.sub.1 represents substituted or unsubstituted alkyl, aralkyl, cycloalkyl or alkenyl; R.sub.
    Type: Grant
    Filed: December 14, 1982
    Date of Patent: November 20, 1984
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuo Sakai, Yoshimasa Aotani, Yoshiharu Yabuki, Nobuo Furutachi
  • Patent number: 4477558
    Abstract: 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: Grant
    Filed: April 21, 1983
    Date of Patent: October 16, 1984
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Akira Ogawa, Kozo Aoki, Takayoshi Kamio
  • Patent number: H122
    Abstract: A silver halide color photographic light-sensitive material which comprises a support having thereon at least one silver halide emulsion layer containing dispersed therein at least one magenta coupler represented by the following general formula (I): ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different, each represents a hydrogen atom or a substituent, each represents a hydrogen atom or a substituent, X represents a hydrogen atom or a group capable of being eliminated upon coupling with an oxidation product of an aromatic primary amine developing agent, Z represents a nitrogen atom or --CR.sup.6 where R.sup.6 represents a hydrogen atom or a substituent and dimers or higher polymers thereof,together with at least one high boiling organic solvent represented by the following general formula (II): ##STR2## wherein R.sup.3, R.sup.4 and R.sup.
    Type: Grant
    Filed: July 19, 1985
    Date of Patent: September 2, 1986
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Toshio Kawagashi, Kiyoshi Nakazyo, Masakazu Morigaki