Phenol Or Naphthol Coupler Patents (Class 430/552)
  • Patent number: 5326666
    Abstract: Dye-donor element for use according to thermal dye sublimation transfer, said dye-donor element comprising a support provided with a dye layer containing a dye dispersed in a polymeric binder, characterized in that said dye corresponds to the following formula (I) ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 independently represent hydrogen, halogen, nitro, an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group, an aryloxy group, a alkylthio group, a arylthio group, an acylamino group, a sulfamoyl group, a carbamoyl group, which groups may be substituted, or R.sup.2 and R.sup.3 together can form a saturated or aromatic or heterocyclic ring fused-on the cyclohexadiene ring, which ring may be substituted;B represents ##STR2## wherein R.sup.4 -R.sup.11 are defined in the specification; K represents ##STR3## wherein: R.sup.12 and R.sup.13 (independently) represent hydrogen, an alkyl group, an aryl group, a heterocyclic group, which groups may be substituted, or R.sup.12 and R.sup.
    Type: Grant
    Filed: March 31, 1993
    Date of Patent: July 5, 1994
    Assignee: AGFA-Gevaert, N.V.
    Inventors: Luc Vanmaele, Wilhelmus Janssens
  • Patent number: 5324625
    Abstract: A silver halide color photographic light-sensitive material is disclosed. The light-sensitive material comprises a support having thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer, and at least one of the silver halide emulsion layers contains a silver salt of dye. The light-sensitive material has a raised sharpness, lowered fog and improved storage stability.
    Type: Grant
    Filed: July 7, 1992
    Date of Patent: June 28, 1994
    Assignee: Konica Corporation
    Inventors: Shigeto Hirabayashi, Yasushi Usagawa, Yasuhiko Kawashima, Nobuaki Kagawa
  • Patent number: 5320930
    Abstract: An optical recording medium comprising a substrate and a thin organic film containing at least one kind of dye selected from polymethine family dyes, perylium family dyes, and cyanine family dyes, and a recording process comprising scanning the optical recording medium with a high intensity light beam such as a laser beam to form optically detectable pits on the recording medium.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: June 14, 1994
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuharu Katagiri, Yoshihiro Oguchi, Yoshio Takasu
  • Patent number: 5316903
    Abstract: There is disclosed a silver halide color photographic material which comprises a compound selected from the group consisting of sparingly water-soluble epoxy compounds represented by formula (I), (II), or (III) given below and a dye-forming coupler in a layer on a base. ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 each represent an alkyl group or a halogen atom, L.sup.1 and L.sup.2 each represent a divalent aliphatic organic group, M represents an oxygen or nitrogen atom, A represents a polyvalent linking group, a, b, and c each are an integer of 0 to 4, x and y each are a real number of 0 to 20, l is 1 or 2, and m is an integer of 2 to 4.
    Type: Grant
    Filed: August 14, 1991
    Date of Patent: May 31, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Hideki Tomiyama
  • Patent number: 5306604
    Abstract: Photographic silver halide materials are disclosed comprising a support and a silver halide emulsion layer having associated therewith a coupler having in a non-coupling position a silyl substituent represented by the formula: ##STR1## wherein R.sub.1 through R.sub.4 individually are unsubstituted or substituted aliphatic, aromatic or heterocyclic groups, R.sub.5 is an unsubstituted or substituted aliphatic, aromatic or heterocyclic group which can be bonded to a non-coupling position of a second coupler moiety, and n=0, 1 or 2. In a preferred embodiment, the coupler is a photographic image dye-forming coupler. Processes for developing images in the photographic materials are also disclosed.
    Type: Grant
    Filed: December 7, 1992
    Date of Patent: April 26, 1994
    Assignee: Eastman Kodak Company
    Inventor: Sundaram Krishnamurthy
  • Patent number: 5302503
    Abstract: A silver halide color photographic light-sensitive material includes a support and at least one hydrophilic colloid layer formed on the support. The hydrophilic layer contains a coupler compound which is represented by formula (I) below and has a high dye formation rate and a high color forming density. This silver halide color photographic light-sensitive material can achieve an improved sharpness and a high sensitivity:A--(SO.sub.2 NHCONR.sup.1 R.sup.2).sub.n Formula (I)(wherein A represents a coupler moiety, each of R.sup.1 and R.sup.2 independently represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heterocyclic group, and n represents an integer of 1 or more, if n being an integer of 2 or more, respective R.sup.1 's and R.sup.2 's being able to be the same or different, and A and R.sup.1, A and R.sup.2, or R.sup.1 and R.sup.2 being able to combine to form a ring.
    Type: Grant
    Filed: February 18, 1992
    Date of Patent: April 12, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Naoki Saito, Keiji Mihayashi, Takayoshi Kamio
  • Patent number: 5300419
    Abstract: Disclosed is a silver halide color photographic material containing at least one cyan dye forming coupler of the following general formula (C-1) and at least one compound of the following general formula (I) in the same layer of the material: ##STR1## where R.sub.0 represents an alkyl group, an alkenyl group, an aryl group, or a heterocyclic group;X represents a hydrogen atom, or a group capable of being split off by a coupling reaction with the oxidation product of an aromatic primary amine color developing agent; andAr represents an aromatic group; ##STR2## where R.sub.1, R.sub.2 and R.sub.3 each represent an aliphatic group, an aryl group, or a heterocyclic group;R.sub.4 represents a hydrogen atom, an aliphatic group, an aryl group, or a heterocyclic group;R.sub.1 and R.sub.2, or R.sub.3 and R.sub.4 may be bonded to each other to form a 5-membered to 8-membered ring along with the nitrogen atom in the formula;the compound of formula (I) may form a dimer or a higher polymer at the position of R.sub.1, R.
    Type: Grant
    Filed: May 27, 1992
    Date of Patent: April 5, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuo Seto, Hiroyuki Yoneyama, Masakazu Morigaki, Hidekazu Sakai, Hidetoshi Kobayashi, Shigeru Yamazaki
  • Patent number: 5294530
    Abstract: A silver halide color photographic material comprising a support having thereon one or more hydrophilic colloid layers, at least one layer which is a light-sensitive silver halide emulsion layer containing in the same layer a color coupler selected from a yellow coupler and a cyan coupler and at least one anti-fading agent represented by formula (I): ##STR1## The novel anti-fading agent effectively prevents yellow and cyan dye images from fading or discoloration, and does not adversely affect other photographic properties.
    Type: Grant
    Filed: May 14, 1992
    Date of Patent: March 15, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuo Seto, Masakazu Morigaki
  • Patent number: 5294524
    Abstract: There is disclosed a silver halide color photographic material which comprises in a blue-sensitive silver halide emulsion layer acylacetamide yellow dye-forming couplers represented by the following formula (I) and in a red-sensitive silver halide emulsion layer cyan dye-forming couplers represented by the following formula (II) or (III): ##STR1## wherein R.sub.1 represents a monovalent group, Q represents a group of non-metallic atoms required to form together with the C a substituted or unsubstituted 3- to 5-membered cyclic hydrocarbon group or a substituted or unsubstituted 3- to 5-membered heterocyclic group having therein at least one heteroatom selected from a group consisting of N, O, S, and P, and Y.sub.R represents a residue remaining after removing the acyl group from the acylacetamide yellow dye-forming coupler, provided that R.sub.1 is not a hydrogen atom and does not bond to Q to form a ring, ##STR2## wherein R.sup.1 represents --CONR.sup.4 R.sup.5, --SO.sub.2 NR.sup.4 R.sup.5, --NHCOR.sup.
    Type: Grant
    Filed: March 11, 1992
    Date of Patent: March 15, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yoshio Ishii, Yasuhiro Yoshioka, Hidetoshi Kobayashi
  • Patent number: 5290669
    Abstract: A silver halide color photographic light-sensitive material having photographic component layers on a support and at least one layer of which contains a silver salt of dye, is disclosed. The material has properties of high sharpness, high speed, less fogging and excellent raw stock stability.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: March 1, 1994
    Assignee: Konica Corporation
    Inventors: Shigeto Hirabayashi, Yasushi Usagawa, Nobuaki Kagawa, Yasuhiko Kawashima
  • Patent number: 5288599
    Abstract: A silver halide color photographic material and an image forming process using the same are disclosed. Said silver halide color photographic material comprises a reflecting support and provided thereon three light-sensitive silver halide emulsion layers each having a different light sensitivity to a different wavelength region, including a light sensitive silver halide emulsion layer containing a yellow dye-forming coupler, a light sensitive silver halide emulsion layer containing a magenta dye-forming coupler, and a light sensitive silver halide emulsion layer containing a cyan dye-forming coupler. The silver halide color photographic material satisfies the following conditions.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: February 22, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Osamu Takahashi, Kazunori Hasebe, Kentaro Osazaki
  • Patent number: 5258270
    Abstract: A silver halide color photographic material having on a support at least one cyan dye-forming coupler-containing silver halide emulsion layer, at least one magenta dye-forming coupler-containing silver halide emulsion layer and at least one yellow dye-forming coupler-containing silver halide emulsion layer, wherein the cyan dye-forming coupler is a 1-naphthol type coupler having a naphtol nucleus, in which a group represented by the following formula (I) binds directly to the 2-position of the naphthol nucleus, and the magenta dye-forming coupler is a 1H-pyrazolo[1,5-b]-1,2,4-triazole type coupler, ##STR1## wherein R.sup.1 represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an aralkyl group, or an aryl group; R.sup.2 represents a substituent group; R.sup.3 and R.sup.4 each represents a hydrogen atom, an alkyl group, an aryl group, a halogen atom, an alkoxy group, or an aryloxy group; l represents an integer from 0 to 4; and m represents an integer from 0 to 4.
    Type: Grant
    Filed: October 4, 1991
    Date of Patent: November 2, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hidetoshi Kobayashi, Hiroo Takizawa, Yoshio Ishii
  • Patent number: 5246814
    Abstract: An optical recording medium comprising a substrate and a thin organic film containing at least one kind of dye selected from polymethine family dyes, perylium family dyes, and cyanine family dyes, and a recording process comprising scanning the optical recording medium with a high intensity light beam such as a laser beam to form optically detectable pits on the recording medium.
    Type: Grant
    Filed: October 1, 1991
    Date of Patent: September 21, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuharu Katagiri, Yoshihiro Oguchi, Toshio Takasu
  • Patent number: 5223385
    Abstract: A silver halide color photographic material comprises at least one silver halide emulsion layer containing a substantially iodide free silver chlorobromide or silver chloride grain of which the silver chloride content is at least 90 mol. % and a color coupler. The color coupler is at least one compound represented by formula (I) or (II). The coupler is dispersed in the emulsion layer, as a dispersion of a fine lipophilic particle obtained by emulsification and dispersion of a solution obtained by dissolution of the coupler together with at least one homopolymer or copolymer which is insoluble in water and soluble in an organic solvent and a high boiling point organic solvent: ##STR1## R.sub.1, R.sub.4, and R.sub.5 represent aliphatic, aromatic or heterocyclic groups; R.sub.3 and R.sub.6 each represents a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group or an acylamino group, or R.sub.6 represents a group of non-metal atoms required to form, together with R.sub.
    Type: Grant
    Filed: January 9, 1989
    Date of Patent: June 29, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Kazunori Hasebe
  • Patent number: 5210011
    Abstract: A silver halide color photographic photosensitive material comprising a support having thereon a at least one silver halide emulsion layer, wherein at least one cyan dye forming coupler represented by the formula (I) indicated below ##STR1## wherein all the symbols are defined in the specification and at least one cyan dye forming coupler which can be represented by the formula (C) indicated below ##STR2## wherein all the symbols are defined in the specification are present in a layer on said support.
    Type: Grant
    Filed: December 11, 1990
    Date of Patent: May 11, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Jiro Tsukahara, Hidetoshi Kobayashi
  • Patent number: 5200304
    Abstract: A multilayer silver halide color photographic material comprising a support having thereon a yellow color forming silver halide emulsion layer, a magenta color forming silver halide emulsion layer and a cyan color forming silver halide emulsion layer, wherein the cyan color forming silver halide emulsion layer contains at least one oil-soluble cyan coupler capable of coupling with an oxidation product of an aromatic primary amine developing agent to form a substantially diffusion-resistant dye, represented by formula (I), at least one member selected from the compounds represented by formulae (II) and (III), and at least one compound represented by formula (IV).The silver halide color photographic material can be rapidly processed. Fluctuations of cyan dye density obtained therefrom owing to change in compositions of processing solutions can be prevented, and deterioration of the image formed therefrom during storage, due to cyan dye density caused after color development processing, can also be prevented.
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: April 6, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hiroyuki Yoneyama, Nobutaka Ohki
  • Patent number: 5200303
    Abstract: A light-sensitive silver halide material composed of a support having thereon at least one light-sensitive silver halide emulsion layer, at least one layer of the light-sensitive silver halide emulsion layer or an adjacent layer thereof containing an oil droplet dispersion in a hydrophilic binder, the oil droplets containing the combination of (a) a polymer insoluble in water and soluble in an organic solvent; (b) a high boiling point organic solvent having a viscosity at 25.degree. C. of at least 500 cp and a boiling point of at least 120.degree. C.; and (c) at least one coupler capable of forming a non-diffusible cyan dye by a coupling reaction with an oxidized form of a primary aromatic amine developing agent.
    Type: Grant
    Filed: February 1, 1991
    Date of Patent: April 6, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Osamu Takahashi, Yoshio Seoka, Hidetoshi Kobayashi, Tsumoru Ishii
  • Patent number: 5200305
    Abstract: A color photographic material containing color couplers which yield heat-stable dyes.A color photographic recording material containing cyan couplers which, during chromogenic development, yield cyan dyes having parameters a and b such thata.(1+b).ltoreq.1.5are suitable for the production of color negatives for multicopy operation in which a plurality of identical copies are successively prepared from the same original.In the above condition:a is the temperature coefficient of the absorption ##EQU1## and b is the temperature coefficient of the absorption wavelength .lambda..sub.(T=23.degree. C.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: April 6, 1993
    Assignee: Agfa Gevaert Aktiengesellschaft
    Inventors: Hans-Joachim Schumann, Erich Wolff
  • Patent number: 5192650
    Abstract: A silver halide color photographic material is disclosed, which comprises a support having thereon a photographic layer containing at least one compound represented by formula (I): ##STR1## wherein each of R.sub.01, R.sub.02 and R.sub.03, which may be the same or different, represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group; R.sub.01 and R.sub.02, R.sub.02 and R.sub.03, and R.sub.01 and R.sub.03 may be combined with each other, provided that all of R.sub.01, R.sub.02 and R.sub.03 are not hydrogen atoms at the same time; each of X.sub.01, X.sub.02 and X.sub.03, which may be the same or different, represents a mere bond, --O--, --S-- or ##STR2## and R.sub.04 has the same meaning as R.sub.01.
    Type: Grant
    Filed: January 23, 1991
    Date of Patent: March 9, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuo Seto, Masakazu Morigaki
  • Patent number: 5192651
    Abstract: The present invention relates to photographic photosensitive material comprising a support having thereon at least one silver halide emulsion layer. The photosensitive material contains at least one cyan dye forming coupler represented by formula (I) ##STR1## and at least one cyan dye forming coupler represented by formula (II) ##STR2## in proportions, respectively from 20 to 99 wt % and from 1 to 80 wt %, wherein all the symbols are defined in the specification.
    Type: Grant
    Filed: December 19, 1990
    Date of Patent: March 9, 1993
    Assignee: Fuji Photo Film Co. Ltd.
    Inventors: Jiro Tsukahara, Hidetoshi Kobayashi
  • Patent number: 5183731
    Abstract: A silver halide color photographic light-sensitive material having, on a support, at least an emulsion layer containing a yellow coupler represented by the general formula (I) and a sparingly water soluble epoxy compound represented by the general formula (II): ##STR1## An excellent dye images with improved yellow image storability, particularly, heat and wet heat fastness can be obtained.
    Type: Grant
    Filed: January 25, 1991
    Date of Patent: February 2, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Osamu Takahashi, Nobuo Furutachi
  • Patent number: 5183729
    Abstract: There is disclosed a method for forming a color image which comprises developing a silver halide color photographic material having a layer containing a cyan coupler represented by formula (I) with a color developer containing a color-developing agent represented by formula (D) ##STR1## wherein R.sup.1 represents an alkyl group, an alkenyl group, or a cycloalkyl group, R.sup.2 represents an alkyl group, alkenyl group, or cycloalkyl group having 4 to 30 carbon atoms in total, R.sup.3 represents an aryl group, and Z represents a hydrogen atom or a group capable of being released upon a coupling reaction, with a color developer containing a color-developing agent represented by the following formula (D): ##STR2## wherein R.sup.4 represents a hydrogen atom, a halogen atom, or a methyl group, R.sup.5 and R.sup.6 each represent a methyl group or an ethyl group, L represents a methylene group or an ethylene group, and n is 1 or 2.
    Type: Grant
    Filed: March 29, 1991
    Date of Patent: February 2, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hideki Naito, Shigeki Yokoyama, Jiro Tsukahara
  • Patent number: 5178991
    Abstract: A novel silver halide color photographic material is provided, containing at least one coupler represented by formula (C-I) and at least one compound represented by formula (A-I) or (A-II) ##STR1## wherein Q.sub.1 represents an atomic group containing at least one nitrogen atom required to form a 5- or more membered nitrogen-containing heterocyclic ring together with the carbon atoms to which it is bonded; Z.sub.1 represents a hydrogen atom or a coupling-off group; R.sub.C1 represents an acyl or sulfonyl group; and R.sub.C2 represents a hydrogen atom or a C.sub.1-8 aliphatic group, or the substituents for R.sub.C1, R.sub.C2, Z.sub.1, or Q.sub.1 form a dimeric or polymeric coupler; ##STR2## wherein R represents a hydrogen atoms, an aliphatic group, an aromatic group, a heterocyclic group, or a hydrolyzable protective group; R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: January 12, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masakazu Morigaki, Kozo Aoki
  • Patent number: 5162197
    Abstract: A silver halide photographic material comprising a support having thereon at least one hydrophilic colloid layer containing at least one cyan coupler forming coupler represented by the general formula (I) and at least one compound represented by the general formulas (II) or (III): ##STR1## wherein R.sub.1 represents an aliphatic group, an aromatic group, a heterocyclic group, an aromatic amino group or a heterocyclic amino group; R.sub.2, R.sub.4 and R.sub.5 each represents an aliphatic group, an aromatic group or a heterocyclic group; R.sub.3 represents a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, an acylamino group, an aliphatic oxy group or an aromatic oxy group; R.sub.2 and R.sub.3 may combine with each other to form a 5-membered, 6-membered or 7-membered ring; Z represents a hydrogen atom or a group or atom which releases upon coupling with a developing agent; L.sub.1 and L.sub.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: November 10, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Osamu Takahashi
  • Patent number: 5158864
    Abstract: Light sensitive color photographic silver halide material containing at least one light sensitive silver halide layer with which a conventional diffusion fast color coupler is associated and optionally other layers, both light sensitive and light insensitive, in which material the one or more than one light sensitive silver halide layer contains, at a concentration of 10.sup.-3 to 10 mmol/mol of silver halide, a compound corresponding to the following formulaA(Z).sub.n K (I)absorbed on and adhering to the silver halide grain and reacting with the developer oxidation product (EOP) with an effective reaction rate constant of K.sub.eff .gtoreq.10.sup.3, in which formulaA is a grain active bonding group,Z denotes a divalent intermediate membern is 0 or 1 andK denotes a group which forms a colored or uncolored reaction product in the reaction with the developer oxidation product,is found to have an improved sensitivity/graininess ratio.
    Type: Grant
    Filed: September 21, 1990
    Date of Patent: October 27, 1992
    Assignee: AGFA Gevaert Aktiengesellschaft
    Inventors: Reinhart Matejec, Erich Wolff, Heinrich Odenwalder, Hans hlschlager
  • Patent number: 5139930
    Abstract: A silver halide photographic light-sensitive material which contains, on a support, a compound represented by the following Formula [I]: ##STR1## wherein R.sub.1 is alkyl, cycloalkyl, aryl, heterocyclic, alkoxy, aryloxy, alkylamino or arylamino;R.sub.2 is hydrogen, halogen, alkyl or alkoxy;R.sub.3 is alkyl, cycloalkyl or aryl; or R.sub.2 and R.sub.3 may be bonded together to form a 5- or 6-membered ring condensed to the phenolic ring; andZ is hydrogen or a group releasable by the coupling reaction with the oxidation product of an organic primary amine color developing agent,and a compound represented by the following Formula [II]: ##STR2## where R.sub.4 and R.sub.5 are alkyl, aryl, --COOH', --COOR', --OR', --NR', --NR'R", --CN, --NHCOR', --NHCONHR', or --CONHR', where R' and R" are alkyl or aryl; andR.sub.6 and R.sub.7 are alkyl or aryl containing at least one carboxy group or sulfonic acid group.
    Type: Grant
    Filed: February 3, 1992
    Date of Patent: August 18, 1992
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Takashi Kadowaki, Kaoru Onodera
  • Patent number: 5120637
    Abstract: A silver halide color photographic material having excellent color reproducibility and image storage stability, which comprises a support having thereon at least one silver halide photographic emulsion layer containing an emulsified dispersion of oleophilic fine particles obtained by dispersing a mixture solution containing at least one cyan coupler represented by formulae (I) or (II) and at least one water-insoluble and organic solvent-soluble polymer; ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 each represents hydrogen, an aliphatic group, an aromatic group, a heterocyclic group, an aromatic amino group, a heterocyclic amino group, an aliphatic amino group, an acylamino group, a sulfonamido group, a carbamoyl group, a sulfamoyl group, a ureido group, an aliphatic oxycarbonyl group, an aromatic oxycarbonyl group, an aliphatic oxycarbonylamino group, an aromatic oxycarbonylamino group, a carboxy group, or a cyano group; and X.sub.1 and X.sub.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: June 9, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Genichi Furusawa, Katsuyoshi Yamakawa
  • Patent number: 5112729
    Abstract: A silver halide color photographic photosensitive material which has at least one silver halide emulsion layer on a support, wherein at least one type of cyan coupler which is represented by general formula (A) indicated below is included in at least one layer, a high boiling point organic solvent is present in the layer which contains the coupler in a weight ratio with respect to the coupler in the layer of not more than 0.3, and an ultraviolet absorber is included in the layer at a rate of at least 0.05 in terms of the ratio by weight with respect to the cyan coupler: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, T, and l' are as defined in the specification.
    Type: Grant
    Filed: January 22, 1990
    Date of Patent: May 12, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Keiji Mihayashi
  • Patent number: 5108883
    Abstract: Color photographic recording material containing as cyan correction dyes, azomethine dyes corresponding to the general formula IV or V ##STR1## is distinguished from materials containing the cyan correction dyes hitherto used by its increased stability of latent image nuclei when stored under tropical conditions (35.degree. C. at 90% relative humidity).In formulae IV and V,R.sub.1 and R.sub.2 denote H, optionally substitued C.sub.1 -C.sub.4 -alkyl, C.sub.6 -C.sub.10 -aryl and C.sub.1 -C.sub.3 -alkoxy,R.sub.3 denotes H, optionally substituted C.sub.1 -C.sub.4 -alkyl, C.sub.6 -C.sub.10 -aryl and C.sub.1 -C.sub.3 -alkoxy nd halogen,R.sub.4 denotes H, optionally substituted C.sub.1 -C.sub.4 -alkyl and C.sub.1 -C.sub.3 -alkoxy, CN, halogen, SO.sub.2 R.sub.7, COOR.sub.7, SO.sub.2 OR.sub.7, COR.sub.7, SO.sub.2 NR.sub.7 R.sub.8 and CONR.sub.7 R.sub.8,R.sub.5 denotes NHCOR.sub.9, NHCOOR.sub.9, NHSO.sub.2 R.sub.9 and NHPO(R.sub.9).sub.2,R.sub.6 denotes CON(R.sub.9).sub.2, NHCOR.sub.9, NHCOOR.sub.9, NHSO.sub.2 R.sub.
    Type: Grant
    Filed: November 9, 1990
    Date of Patent: April 28, 1992
    Assignee: Agfa Gevaert Aktiengesellschaft
    Inventors: Reinhart Matejec, Erich W. Boon, Hans Langen
  • Patent number: 5104774
    Abstract: An image forming method comprising imagewise exposure and color development of a multilayer silver halide color photographic material comprising a support having thereon at least one silver halide light-sensitive emulsion layer containing at least one oil-soluble coupler which is capable of forming a substantially non-diffusible cyan dye upon coupling with an oxidation product of an aromatic primary amine developing agent and which is represented by formula (I), and at least one compound selected from the group consisting of compounds represented by formula (II) or (III) followed by the processing of the multilayer silver halide color photographic material with at least one of a bleaching solution and bleach-fixing solution each having a pH of not higher than 6.3, wherein formula (I), (II) and (III) comprise ##STR1## wherein Y represents --NHCO-- or --CONH--; R.sub.
    Type: Grant
    Filed: April 9, 1990
    Date of Patent: April 14, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobutaka Ohki, Hiroyuki Yoneyama
  • Patent number: 5094938
    Abstract: There is disclosed a silver halide color photographic material having a silver halide emulsion layer on a base which comprises a novel cyan coupler. According to the disclosure, a silver halide color photographic material containing a cyan coupler that has high coupling reactivity and high color density, resulting color image being hardly susceptible to reduction fading and is excellent in heat fast can be obtained.
    Type: Grant
    Filed: October 18, 1990
    Date of Patent: March 10, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Jiro Tsukahara, Shigeru Yamazaki, Hidetoshi Kobayashi
  • Patent number: 5091296
    Abstract: This invention describes a process of coprecipitating a photographic material such as a dye-forming coupler inside a base ionizable polymeric particle. Preparation of such a dispersion is performed by providing a first flow comprising a solution of a surfactant in water containing a polymer ionizable by base, providing a second flow comprising a water miscible solvent, base, water, and the photographic material, then mixing the said first and said second flow and immediately neutralizing the mixed flow to precipitate the photographic material inside the polymer particles forming a fine particle colloidal dispersion of the photographic material. The polymer dispersions of the invention are characterized by high photographic activity and high dye-stability in some cases.
    Type: Grant
    Filed: June 26, 1990
    Date of Patent: February 25, 1992
    Assignee: Eastman Kodak Company
    Inventors: Pranab Bagchi, Steven J. Sargeant, James T. Beck, Brian Thomas
  • Patent number: 5084375
    Abstract: A color photographic light-sensitive material comprising a support having provided thereon a silver halide emulsion layer containing at least one each of cyan color image forming couplers represented by the following general formulae (I) and (II): ##STR1## and at least one compound represented by the formulae (III) or (IV): ##STR2## wherein all the symbols are defined in the specification.
    Type: Grant
    Filed: October 15, 1986
    Date of Patent: January 28, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Makoto Umemoto, Kozo Aoki
  • Patent number: 5082764
    Abstract: There is disclosed a silver halide color photographic material having at least one silver halide emulsion layer on a base, which comprises in the silver halide emulsion layer a silver halide grains of high silver-chloride and an emulsified dispersion containing lipophilic fine particles that have a limited average particle diameter and include a cyan coupler represented by formula (I), a high-boiling organic solvent having a limited viscosity, and a diffusion-resistant compound represented by formula (II) or (III), and a method for forming an image by developing the said silver halide color photographic material. The disclosure as described provides a color photographic material and a method for forming an image being excellent in image quality and preservation property of cyano color image.
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: January 21, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Osamu Takahashi
  • Patent number: 5079127
    Abstract: An optical recording medium comprising a substrate and a thin organic film containing at least one kind of dye selected from polymethine family dyes, perylium family dyes, and cyanine family dyes, and a recording process comprising scanning the optical recording medium with a high intensity light beam such as a laser beam to form optically detectable pits on the recording medium.
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: January 7, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuharu Katagiri, Yoshihiro Oguchi, Yoshio Takasu
  • Patent number: 5077188
    Abstract: A silver halide photographic light-sensitive material is disclosed, which is improved in stability of cyan dye image formed therein. The light-sensitive material comprises a support having thereon a silver halide emulsion layer containing oleophilic dispersed particles. The particles comprises a cyan coupler represented by the following Formula I, an organic solvent selected from phthalic esters having a dielectrical constant of not more than 6.0 and a polymer compounds which is insoluble in water and soluble in a organic solvent: ##STR1## wherein R.sub.1 is a ballast group, R.sub.2 is an alkyl group having 2 or more carbon atoms and Z.sub.1 is a hydrogen atom or a substituent capable of splitting off upon reaction with the oxidation product of a color developing agent.
    Type: Grant
    Filed: February 1, 1990
    Date of Patent: December 31, 1991
    Assignee: Konica Corporation
    Inventors: Masaki Tanji, Toyoki Nishijima, Hirokazu Sato, Tomomi Yoshizawa
  • Patent number: 5075207
    Abstract: Colored cyan couplers corresponding to formula II are eminently suitable for masking the yellow secondary density of cyan dyes. The reproduction of blues and yellows is thus improved. The colored cyan couplers of formula II are preferably used together with phenolic cyan couplers bearing a phenylureido group in the 2-position and an acylamino group with a ballast group in the 5-position ##STR1## In formula II: CC represents a cyan coupler group to the coupling position of which L is attached;L is a bifunctional connecting group;Q.sup.1, Q.sup.2 represent H or photographially inert substituents;R represents a coupling component such that the compound of formula II is a yellow dye. ##STR2## in which R.sup.3 is alkyl, aryl, carboxyl, carbamoyl, acylamino, anilino;R.sup.4 is H, alkyl, aryl, a heterocyclic group;R.sup.5, R.sup.6 (same or different) represent -CO-alkyl, -CO-aryl, -CO-alkoxy, carbamoyl, -CN;represents O, S, NH;Z is the group required to complete a 5- or 6-membered carbocyclic or heterocyclic ring.
    Type: Grant
    Filed: May 2, 1991
    Date of Patent: December 24, 1991
    Assignee: Agfa Gevaert AKtiengesellschaft
    Inventors: Hans Langen, Gunter Renner, Jurgen Plamper
  • Patent number: 5064750
    Abstract: The invention discloses an improved method for processing a silver halide color photographic material wherein said material is imagewise exposed and then processed. The improvement comprises the use of a particular naphthol amido coupler together with a bleaching bath containing (diaminopropanetetraacetatoiron) (III) complex salt at a particular pH.
    Type: Grant
    Filed: August 4, 1989
    Date of Patent: November 12, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Hideki Naito
  • Patent number: 5053324
    Abstract: A silver halide color light-sensitive material comprising, on a support, at least one blue-sensitive silver halide emulsion layer containing a yellow dye-forming color coupler, at least one green-sensitive silver halide emulsion layer containing a magenta dye-forming color coupler and at least one red-sensitive silver halide emulsion layer containing a cyan dye-forming color coupler, in which the weight-averaged wavelength .lambda.G of spectral sensitivity distribution of the green-sensitive layer is in the range of from 520 nm to 580 nm, the weight averaged wavelength .lambda..sub.-R of spectral sensitivity distribution of the interlayer effect received by the red-sensitive layer in the range of from 500 nm to 600 nm is in the range of from 500 nm to 560 nm and the difference, .lambda..sub.G -.lambda..sub.-R is 5 nm or more, the material being characterized in that spectral sensitivity distribution S.sub.-R (.lambda.
    Type: Grant
    Filed: October 29, 1990
    Date of Patent: October 1, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Noboru Sasaki
  • Patent number: 5047316
    Abstract: Disclosed is a silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer containing a cyan dye forming coupler and a polymer latex, the polymer latex is derived from a monomer represented by the following general formula (A): ##STR1## wherein R.sub.1 represents a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms; L.sub.1 represents --CONH-- or ##STR2## p represents an integer of from 1 to 4; and q represents an integer of from 1 to 30.The silver halide color photographic material provides a cyan color image without accompanying decrease in color density even when it is processed with an exhausted bleaching or bleach-fixing solution or a bleach or bleach-fixing solution having an weak oxidizing power. Further, the cyan color image is prevented from the occurrence of stain due to irradiation to light for a long period of time after processing.
    Type: Grant
    Filed: January 9, 1990
    Date of Patent: September 10, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tsumoru Hirano, Kiyoshi Nakajyo
  • Patent number: 5037730
    Abstract: A silver halide photographic light-sensitive material comprising at least one type of cyan dye-forming coupler represented by formula (I) below and at least one type of difficulty water-soluble epoxy represented by formula (II) below: ##STR1## wherein R.sub.1 represents an alkyl group having at least 7 carbon atoms, R.sub.2 represents an alkyl group with 2 to 15 carbon atoms, L represents a simple linkage or a bivalent linking group, Z represents a hydrogen atom, or a group or atom which can be released at the time of the coupling with the developing agent, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each represents a hydrogen atom, an aliphatic group, an aliphatic oxycarbonyl group, an aromatic oxycarbonyl group or a carbamoyl group, provided that R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are not all hydrogen atoms, and the total number of carbon atoms thereof is from 8 to 60, and in formula (II), a 5- to 7-membered ring may be formed with R.sub.3 and R.sub.4 or R.sub.3 and R.sub.5, respectively.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: August 6, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Osamu Takahashi
  • Patent number: 5030544
    Abstract: Color photographic motion picture elements adapted to form a multicolor photographic dye image and an integral, infrared-absorbing, dye sound track and comprising 1-hydroxy-2-N-(5-alkyl-thiazol-2-yl)-naphthamide couplers that are capable of forming quinone imine dyes absorbing infrared radiation in the spectral range from about 600 to about 1000 nm by reaction with an oxidized aromatic primary amino developing agent, the thiazol-2- yl group of said naphthamide couplers bearing a 4-para-C.sub.1 -C.sub.4 alkoxyphenyl group or a 4-para-C.sub.1 -C.sub.4 alkylphenyl group, the hydrogen atoms of said C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkyl being unsubstituted or at least one of them having been substituted by a halogen atom.
    Type: Grant
    Filed: September 26, 1985
    Date of Patent: July 9, 1991
    Assignee: Agfa-Gevaert, N.V.
    Inventors: Henri F. Olbrechts, Raphael K. Van Poucke, Christian C. Van den Sande
  • Patent number: 5028515
    Abstract: In a color print containing cyan, magenta and yellow colored dyes, the color print where the spectral absorption peak wave lengths of the respective colored dyes lie in the range represented by the following formula:1/2(.lambda.y+.lambda.c).gtoreq..lambda.m.gtoreq.1/2(.lambda.y+.lambda.c)-1 0.lambda.c=Spectral absorption peak wave length (nm) of the colored cyan dye.lambda.m=Spectral absorption peak wave length (nm) of the colored magenta dye.lambda.y=Spectral absorption peak wave length (nm) of the colored yellow dyeIn the color print, improvement of the color reproduction and improvement of the observation light source dependency, which hitherto tend to conflict with each other, can be attained at the same time.
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: July 2, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kazunori Hasebe, Koji Takahashi
  • Patent number: 5024925
    Abstract: A method of forming a color image which comprises subjecting a silver halide color reversal photographic material to imagewise exposure and then to color reversal processing, said color reversal photographic material comprising a support having provided thereon at least one red-sensitive emulsion layer, at least one green-sensitive emulsion layer and at least one blue-sensitive emulsion layer wherein the emulsion layers have an average silver iodide content of up to 5 mol %, and wherein the peak sensitivity of the red layer is in a range between 615 and 640 nm, wherein on the shorter wavelength side, 80% of the peak is in a range between 600 and 633 nm, 50% of the peak is in a range between 585 and 625 nm and 25% of the peak is in a range between 570 and 615 nm, and wherein on the longer wavelength side, 80% of the peak is in a range between 620 and 648 nm, 50% of the peak is in a range between 625 and 655 nm and 25% of the peak is in a range between 630 and 665 nm, wherein the wavelength difference between t
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: June 18, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Naoyasu Deguchi
  • Patent number: 5021555
    Abstract: A color photographic material with good photographic performance, such as sharpness, speed and granularity, contains a development inhibitor releasing compound having the structure: ##STR1## wherein: CAR is a carrier moiety;TIME is a timing group; andINH is a development inhibitor moiety,in association with a cyan dye-forming coupler having the structure: ##STR2## wherein: R.sup.1, R.sup.2, R.sup.3, Q, Z, Y, m, and n are as defined in the specification.
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: June 4, 1991
    Assignee: Eastman Kodak Company
    Inventors: Richard P. Szajewski, Terry R. Taber
  • Patent number: 5021321
    Abstract: A photosensitive member suitable for multi-color image formation is obtained by forming a plurality of photosensitive layers laminated on a substrate. Each photosensistive layer comprises a matrix phase and particles dispersed therein. The matrix phase contains a photosensitive silver salt, an organic silver salt and a reducing agent which react with each other on exposure and heating to form a light-absorbing organic compound. The particles contain a heat-diffusive colorant, a polymerizable polymer precursor and a photopolymerization initiator. The light-absorbing organic compound in a photosensitive layer being capable of absorbing a wavelength of light to which the photopolymerization initiator in the photosensitive layer is sensitive. Because the heat-diffusive colorant, the polymerizer and the initiator are contained in the particles, the diffusion of the heat-diffusive colorant can be effectively controlled to prevent color fog.
    Type: Grant
    Filed: August 8, 1990
    Date of Patent: June 4, 1991
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuro Fukui, Masato Katayama, Akihiro Mouri, Kazuo Isaka, Kenji Kagami, Masao Suzuki
  • Patent number: 5019489
    Abstract: A combination in a color photographic silver halide element and process of at least one red-sensitive silver halide emulsion layer comprising a particular phenolic cyan dye-forming coupler with at least one green-sensitive silver halide emulsion layer comprising a particular pyrazolo[3,2-c]-s-triazole coupler and at least one blue-sensitive silver halide emulsion layer comprising a particular pivaloylacetanilide yellow dye-forming coupler enables improved color saturation of dye images, better relation of speed to grain characteristics and reduced unwanted spectral absorption of dye images formed. This combination is particularly useful in color photographic silver halide materials and processes for forming improved reversal dye images.
    Type: Grant
    Filed: July 26, 1989
    Date of Patent: May 28, 1991
    Assignee: Eastman Kodak Company
    Inventor: Arlyce T. Bowne
  • Patent number: 5019493
    Abstract: A silver halide photographic material that has at least one silver halide emulsion layer containing a phenolic cyan coupler of the general formula (I) and an amine of the general formula (II). The maximum absorption of the dye formed in sufficiently shifted to a longer wavelength range of the spectrum to achieve satisfactory color reproduction. The dye image produced has a high maximum density and improved keeping quality.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: May 28, 1991
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Hirokazu Sato, Shigeto Hirabayashi
  • Patent number: 5015565
    Abstract: A color photographic recording material comprising at least one silver halide emulsion layer and a naphtholic cyan coupler corresponding to formula I ##STR1## in which Q is a 5-, 6- or 7-membered heterocyclic radical;S is a substituent which, in the 6-position of the naphthol ring, can form a fused heterocyclic ring with Y;l is 0, 1, 2 or 3;X represents H or a group releasable during color coupling which is capable of forming a fused heterocyclic ring with Y;Y represents --Z--R.sup.1 or --NH--R.sup.2 ;Z represents --O--, --S(O).sub.m -- or --SO.sub.2 --NH--;m is 0, 1 or 2;R.sup.1 represents H, CF.sub.3, alkyl, aryl or a heterocyclic radical;R.sup.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: May 14, 1991
    Assignee: Agfa Gevaert Aktiengesellschaft
    Inventor: Erich Wolff
  • Patent number: H1248
    Abstract: A Silver halide color photographic materials comprising a support having thereon at least one silver halide emulsion layer, wherein said material contains (1) at least one type of compound which reacts with the oxidized product of a primary aromatic amine based developing agent and releases a bleach accelerating agent, and (2) at least one type of cyan dye forming coupler represented by general formula (A) below: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, T and l' are defined as in the specification.
    Type: Grant
    Filed: June 14, 1988
    Date of Patent: November 2, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kei Sakanoue, Hidetoshi Kobayashi