Substituted At Coupling Position With Other Than Hydrogen Patents (Class 430/553)
  • Patent number: 4948717
    Abstract: Dyes having the structure ##STR1## A represents a substituted or unsubstituted nucleus selected from the group consisting of rhodanines, hydantoins, 2-thiohydantions, 4-thiohydantoins, 2,4-oxazolidindiones, 2-thio-2,4-oxazolidindiones, isoxazolinones, barbiturics, 2-thiobarbiturics, and indandiones, said nucleus having a carboxyphenyl substituent or sulfonamidophenyl substituent,R represents hydrogen, alkyl of 1 to 4 carbon atoms, or benzyl,R.sup.1 and R.sup.2 each independently represents alkyl or aryl, or taken together with R.sup.5, R.sup.6, N, and the carbon atoms to which they are attached represent the atoms needed to complete a julolydyl ring,R.sup.3 represents H, alkyl, or aryl,R.sup.5 and R.sup.6 each independently represents H, or R.sup.5 taken together with R.sup.1, or R.sup.6 taken together with R.sup.2, each may represent the atoms necessary to complete a carbocyclic ring, andm is 0 or 1are disclosed. The dyes are useful as filter dyes in photographic filter layers.
    Type: Grant
    Filed: June 30, 1989
    Date of Patent: August 14, 1990
    Assignee: Eastman Kodak Company
    Inventors: Donald R. Diehl, Ronda E. Factor
  • Patent number: 4946770
    Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer containing a dispersion, said dispersion comprising oleophilic fine particles containing (a) at least one oil-soluble cyan coupler represented by formula (I) (described herein) capable of forming substantially non-diffusible cyan dye upon coupling with an oxidation product of an aromatic primary amine developing agent, and (b) a water-insoluble, organic solvent-soluble homopolymer or copolymer comprising not more than about 20% by weight of a repeating unit having an acid radical in the main chain or a side chain thereof, wherein the dispersion does not contain high-boiling point organic solvents. The photographic material provides color images excellent in preservability, particularly resistance to dark discoloration and light discoloration in good balance.
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: August 7, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Osamu Takahashi, Tsumoru Hirano, Seiki Sakanoue
  • Patent number: 4945031
    Abstract: An image-forming process, which comprises subjecting a multilayer silver halide color photographic material containing, in an oil droplet dispersion in a light-sensitive layer provided on a support, at least one of the diffusion-resistant oil-soluble couplers capable of coupling with an oxidation product of an aromatic primary amine developing agent to form a substantially non-diffusible cyan dye represented by the following formula (I) and at least one member selected from the compounds represented by the following formulae (II) and (III), to imagewise exposure and color development, and then processing the multilayer silver halide photographic material with a bleaching or bleach-fixing solution having a pH of 6.3 or less: ##STR1## wherein: Y represents --NHCO-- or --CONH--;R.sub.1 represents an aliphatic group, an aromatic group, a heterocyclic group or an amino group;X represents a hydrogen atom, a halogen atom, an aliphatic group, an alkoxy group or an acylamino group;R.sub.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: July 31, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Minoru Sakai, Osamu Takahashi, Kozo Aoki
  • Patent number: 4929539
    Abstract: 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: Grant
    Filed: May 6, 1988
    Date of Patent: May 29, 1990
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Ryosuke Sato, Katsunori Kato, Takashi Sasaki, Hiroshi Sugita
  • Patent number: 4929538
    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.Cl 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.Cl, R.sub.C2, Z.sub.1, or Q.sub.1 form a dimeric or polymeric coupler; ##STR2## wherein R represents a hydrogen atom, 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: September 29, 1987
    Date of Patent: May 29, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masakazu Morigaki, Kozo Aoki
  • Patent number: 4923791
    Abstract: A photographic recording material is disclosed which contains a phenolic cyan dye-forming coupler which has a carbonamido group or a ureido substituted group in the 2-position of the phenolic ring, and a ballast containing acylamino group in the 5-position of the ring. The ballast moiety comprises a sulfoxide, an amide, an ester, or a ketone group or a phosphine oxide group.
    Type: Grant
    Filed: April 7, 1989
    Date of Patent: May 8, 1990
    Assignee: Eastman Kodak Company
    Inventors: Paul B. Merkel, David Hoke
  • Patent number: 4923783
    Abstract: A silver halide photographic material comprising a support having thereon at least one hydrophilic colloid layer containing at least one high boiling point organic solvent and at least one substantially water-insoluble photographically useful reagent both dispersed therein, wherein at least one of the high boiling point organic solvents is a compound represented by formula (I):(ArCOO).sub.n --L (I)(the symbols of which are described herein).By incorporation of a compound of formula (I), reductive fading of cyan dyes formed in the material due to heat, moisture is minimized.A method of processing the silver halide photographic material as imagewise exposed with a color developer containing substantially no benzyl alcohol is also disclosed.
    Type: Grant
    Filed: October 14, 1988
    Date of Patent: May 8, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hidetoshi Kobayashi, Hideaki Naruse
  • Patent number: 4916050
    Abstract: A silver halide light-sensitive photographic material comprising on a support photographic component layers containing a compound of Formula [I] and/or Formula [II]:R.sub.1 OOC--R.sub.2 --COO--R.sub.3 --OOC--R.sub.2 --COO).sub.n R.sub.4 [I],R.sub.5 O--R.sub.6 --OOC--R.sub.7 --COO--R.sub.6).sub.n OR.sub.8 [II]wherein R.sub.1 and R.sub.4 are independently selected from the group consisting of an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group and a heterocyclic group; R.sub.2, R.sub.3, R.sub.6 and R.sub.7 are divalent groups independently selected from the group consisting of an alkylene group, an alkenylene group, a cycloalkylene group and a group of any combination of these groups; R.sub.5 and R.sub.6 each is either an acyl group or a phosphonyl group; and n is an integer of from 1 to 20; is disclosed.
    Type: Grant
    Filed: May 25, 1988
    Date of Patent: April 10, 1990
    Assignee: Konica Corporation
    Inventors: Toyoki Nishijima, Kaoru Onodera
  • Patent number: 4914008
    Abstract: There is disclosed a processing method of a light-sensitive silver halide color photographic material comprising, in a method of processing a light-sensitive silver halide color photographic material with a bleach-fixing solution after color developing, and successively with a stabilizing solution substituted for water washing, said bleach-fixing solution contains as main components an organic acid ferric complex salt with which a molecular weight of a free acid being not more than 280, a thiosulfate and a sulfite, and a processing time by said stabilizing solution substituted for water washing is 2 minutes or shorter.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: April 3, 1990
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masayuki Kurematsu, Shigeharu Koboshi
  • Patent number: 4914005
    Abstract: The reduction of cyan image dye to a leuco compound in a color photographic element by ferrous ion contained in a bleach processing solution is inhibited by the presence in the element of a polymeric latex having recurring units that are derived from certain lower alkoxyacrylate monomers optionally copolymerized with recurring units derived from certain acrylic ionomers.
    Type: Grant
    Filed: August 11, 1989
    Date of Patent: April 3, 1990
    Assignee: Eastman Kodak Company
    Inventors: Philip T. S. Lau, Ping W. Tang, Stanley W. Cowan
  • Patent number: 4912024
    Abstract: Photographic elements are disclosed having a first coupler represented by the formula:COUP.sub.1 --T--INH--CH.sub.2 --QwhereinCOUP.sub.1 is a coupler moiety,T is a timing group that is bonded to the coupler moiety at a coupling position and that is cleaved from --INH--CH.sub.2 --Q after it is released from the coupler moiety upon exposure and processing of the element, andINH--CH.sub.2 --Q is a development inhibitor moiety wherein Q is a ballasting group, anda second coupler represented by the formula:COUP.sub.2 --(TIME).sub.n --S--R.sub.1 --R.sub.2wherein COUP.sub.2 is a coupler moiety, TIME is a timing group, n is 0 or 1, R.sub.1 is a divalent linking group that does not include a heterocyclic ring attached directly to S, and R.sub.2 is a water solubilizing group.
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: March 27, 1990
    Assignee: Eastman Kodak Company
    Inventors: Drake M. Michno, Richard P. Szajewski, Stephen P. Singer
  • Patent number: 4910128
    Abstract: A silver halide color photographic material comprising as a cyan-dye-forming coupler a compound represented by of formula (I) ##STR1## wherein R.sub.1 represents a ballast group imparting diffusion fastness to the coupler of formula (I) and a cyan dye formed from said coupler; X represents a hydrogen atom or a group represented by --R, --OR, --SR, ##STR2## --COR, --COOR, --SO.sub.2 R, --SO.sub.2 OR, ##STR3## or --OCOR; Y represents a halogen atom, a cyano group, a trifluoromethyl group, a nitro group, or a group represented by --R, --OR, --SR, --COR, --COOR, --SO.sub.2 R, --SO.sub.2 OR, ##STR4## m and n each represents an integer of 1 to 5, and when m or n is more than 1, the X or Y, respectively, are the same or different; R represents an aliphatic group, an aromatic group, or a heterocyclic group, and R' and R" each represents a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group; with the proviso that the total number of carbon atoms in the substituent (X).sub.m is 4 or more.
    Type: Grant
    Filed: September 19, 1988
    Date of Patent: March 20, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takayoshi Kamio, Katsuyoshi Yamakawa, Hidetoshi Kobayashi, Isamu Itoh
  • Patent number: 4904575
    Abstract: A silver halide color photographic material comprising a support having coated thereon at least one silver halide emulsion layer, the silver halide color photographic material containing a photographic cyan dye forming coupler represented by the following general formula (I): ##STR1## wherein R.sub.1 represents an aliphatic group, an aromatic group, heterocyclic group or a substituted amino group; R.sub.2 and R.sub.3, which may be the same or different, each represents an aliphatic group, an aromatic group or a heterocyclic group, or R.sub.2 and R.sub.3 may combine with each other to form a ring; and X represents a group capable of beiing released upon an oxidative coupling with a developing agent (including a hydrogen atom).
    Type: Grant
    Filed: July 8, 1988
    Date of Patent: February 27, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Michio Ono, Minoru Sakai, Kozo Aoki
  • Patent number: 4900656
    Abstract: A silver halide color photographic material and a process for preparing the photographic material are disclosed, comprising a support and at least one silver halide emulsion layer on the support, wherein the emulsion layer contains a silver halide emulsion which has been spectrally sensitized by adding a spectrally sensitizing dye prior to the completion of formation of silver halide particles, and at least one cyan coupler represented by formula (I) ##STR1## wherein R.sub.11 and R.sub.12 each represents an alkyl group, an aryl group, a heterocyclic group, an alkyloxy group, an aryloxy group, a heterocyclic oxy group, an alkylamino group, an arylamino group, or a heterocyclic amino group, R.sub.13 represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an alkoxyl group, an aryloxy group, an acyloxy group, or an acylamino group, X is a group capble of being released upon the oxidative coupling reaction with a developing agent, or R.sub.12 and R.sup.13 together form a 5- or 6-membered ring.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: February 13, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tadaaki Tani, Mikio Ihama, Masaki Okazaki
  • Patent number: 4898812
    Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, said emulsion layer containing at least one cyan dye forming coupler represented by the general formula (I): ##STR1## wherein, Q.sub.1 contains at least one nitrogen atom and represents a group of atoms that are combined to form, together with a carbon atoms attached thereto a 5- or more membered nitrogen-containing heterocyclic ring;Z.sub.1 represents a hydrogen atom or a group that can be released in a coupling reaction with the oxidation product of a color developing agent;R represents an acyl group or a sulfonyl group; andR' represents a hydrogen atom or an aliphatic group having 1 to 8 carbon atoms which may be substituted with one or more substituents; anda dimer coupler or a polymer coupler may be formed through R, R', Z.sub.1 or Q.sub.1 ;and at least one color development accelerator.The silver halide color photographic material has increased D.sub.max and sensitivity.
    Type: Grant
    Filed: August 7, 1987
    Date of Patent: February 6, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Nobuo Furutachi
  • Patent number: 4892807
    Abstract: A color photographic material is disclosed, which is improved in the preservability of the dye image and in the resistance to the pH fluctuation or the contamination with bleach-fixer of the color developer. The photographic light-sensitive material comprising a support having thereon photographic component layers comprising a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer containing silver halide grains each comprising not less than 90 mol % of silver chloride, a compound represented by the following formula [S] and a cyan coupler represented by the following formula [I].
    Type: Grant
    Filed: July 29, 1987
    Date of Patent: January 9, 1990
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shigeto Hirabayashi, Hirokazu Sato, Eiichi Sakamoto
  • Patent number: 4892810
    Abstract: A silver halide color photographic light-sensitive material is described, the light-sensitive material containing a cyan dye forming coupler represented by the following general formula (I): ##STR1## wherein R.sub.1 represents an alkyl group having 2 to 15 carbon atoms, R.sub.2 and R.sub.3 represent each a hydrogen atom or an alkyl group, R.sub.4 represents a substituted aryl group which is substituted by a group other than an aryl group or an aralkyl group, X represents a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group, Z represents a hydrogen atom or a group capable of release by an oxidation coupling reaction with the developing agent, n represents an integer of 1 to 4, and the total number of carbon atoms in the alkyl groups contained in R.sub.1, R.sub.2, R.sub.3, R.sub.4, X and Z is 8 or more, and the total number of carbon atoms in the alkyl groups substituted in R.sub.1 and R.sub.4, in the case that n is 1, is 11 or less.
    Type: Grant
    Filed: December 22, 1987
    Date of Patent: January 9, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Michio Ono, Naoki Saito
  • Patent number: 4883746
    Abstract: A novel silver halide color photographic material is provided which comprises at least one colored coupler represented by the general formula (I) and at least one cyan coupler represented by the general formula (II), (III), (IV) or (V): ##STR1## wherein R.sub.1 represents an aromatic or heterocyclic group; R.sub.2 represents a group capable of being substituted on a naphthol ring; R.sub.3 represents an aliphatic, heterocyclic or aromatic group; R.sub.4 represents an aromatic group excluding p-cyanophenyl group; R.sub.5 represents an aromatic or heterocyclic group; R.sub.6 represents an aliphatic group; n represents an integer of 0 to 4; m represents an integer of 0 to 3; A--B--N.dbd.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: November 28, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuhiro Shimada, Hiroshi Fukuzawa, Seiji Ichijima
  • Patent number: 4882267
    Abstract: A silver halide photographic light-sensitive material having a high color reproducibility is disclosed. The photographic 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 in which the red sensitive emulsion layer contains a non-color-forming compound represented by the following formula [I], a compound represented by the following formula [II] and at least one cyan-forming coupler represented by the following formula [III] or [IV]: ##STR1## The photographic material is improved in spectral aborption, stability and maximum density of the cyan image thereof.
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: November 21, 1989
    Assignee: Konica Corporation
    Inventors: Shigeto Hirabayashi, Hirokazu Sato
  • Patent number: 4879206
    Abstract: A silver halide color photographic material which comprises a support having provided thereon at least one silver halide emulsion layer containing a cyan dye image-forming coupler represented by the following general formula (I), wherein the emulsion layer comprises silver bromide grains or silver chloro-bromide grains in which tabular grains having a mean aspect ratio of 5 or more amount to 50% or more based on the total projection area of the whole grains, and which are spectrally sensitized with a cyanine dye of the trimethine or pentamethine type or a merocyanine dye, which dye has a desensitization degree of 10 or more, thereby achieving high sensitivity and excellent fastness of photographic images and ensuring uniform quality in mass production: ##STR1## wherein R.sub.1 and R.sub.2 each represents a substituted or ubsubstituted aliphatic, aromatic or heterocyclic group; R.sub.
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: November 7, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Masahiro Asami
  • Patent number: 4874689
    Abstract: A silver halide color photographic material containing new dye image-forming couplers consisting of polymer couplers obtained by a polymerization reaction which employs a chain transfer agent having 8 or more carbon atoms. The silver halide color photographic material exhibits a high sensitivity and a high color-forming property.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: October 17, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Junichi Yamanouchi, Shigetoshi Ono, Tsumoru Hirano, Toshiyuki Watanabe, Nobuo Sakai, Keiji Mihayashi
  • Patent number: 4871657
    Abstract: A color photographic recording material having at least one silver halide emulsion layer contains at least one coupler corresponding to the general formula I ##STR1## wherein K represents a coupler group,L a direct bond of a linking member,R.sup.1 alkyl, aralkyl, aryl or amino andR.sup.2 hydrogen or a group -L-K.The couplers of formula I are suitable for high temperature processing without the presence of benzyl alcohol.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: October 3, 1989
    Assignee: Agfa-Gevaert Aktiengesellschaft
    Inventor: Erich Wolff
  • Patent number: 4871655
    Abstract: A light-sensitive silver halide color photographic material, comprising at least one photographic constituent layer containing a multi-functional dye which becomes substantially colorless in the presence of the oxidized product of a color developing agent through the reaction with the oxidized product, and becomes substantially colorless in the absence of the oxidized product of the color developing agent during the color-photographic processing step.According to the present invention, a color light-sensitive material containing a multi-functional compound having excellent sharpness, good color reproducibility and further excellent graininess can be obtained.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: October 3, 1989
    Assignee: Konica Corporation
    Inventors: Mitsuto Fujiwhara, Takashi Uchida, Toshihiko Kimura
  • Patent number: 4868101
    Abstract: A silver halide color photographic material, wherein a dye stabilizer as described in the claims is contained in a photographic layer such as a coupler-containing silver halide photosensitive emulsion layer. The dye images obtained eventually by developing the photographic material is excellent in preventing it from fading or discoloring.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: September 19, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masakazu Morigaki, Nobuo Seto
  • Patent number: 4865957
    Abstract: A silver halide photographic material is disclosed, comprising a reflective support having provided thereon a silver halide emulsion layer containing at least one 2,5-diacylaminophenol cyan coupler, a silver halide emulsion layer containing a magenta coupler, and a silver halide emulsion layer containing a yellow coupler, wherein said silver halide emulsion layer containing a cyan coupler and/or a photographic layer that is farther from the support than the cyan coupler-containing layer contains at least one of 2-(2'-hydroxyphenyl)benzotriazole ultraviolet absorbents and at least one of benzophenone ultraviolet absorbents. By the combined use of the 2-(2'-hydroxyphenyl)benzotriazole ultraviolet absorbents and the benzophenone ultraviolet absorbents, light-fastness of a cyan image is markedly improved, to provide a color image having a satisfactory color balance.
    Type: Grant
    Filed: October 15, 1986
    Date of Patent: September 12, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Minoru Sakai, Keiichi Adachi
  • Patent number: 4865959
    Abstract: A silver halide color photographic material having on a support at least one silver halide emulsion layer, wherein the color photographic material contains at least one compound releasing a bleach accelerator upon reaction with the oxidation product of an aromatic primary amine color developing agent and at least one cyan dye-forming coupler represented by formula (A); ##STR1## wherein R.sub.1 represents a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group; or a substituted or unsubstituted heterocyclic group; X represents a hydrogen atom or a group capable of releasing upon a coupling reaction with the oxidation product of an aromatic primary amine color developing agent; and Ar represents an aromatic group having at least one substituent, wherein the sum of the .sigma..sub.m and .sigma..sub.p values of the substituent is at least 0.67.
    Type: Grant
    Filed: June 24, 1988
    Date of Patent: September 12, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kei Sakanoue, Hidetoshi Kobayashi
  • Patent number: 4865961
    Abstract: A silver halide color photographic light-sensitive material comprising a silver halide emulsion layer containing a cyan coupler represented by the following general formula [I]. The color photographic material is improved in sensitivity, density of cyan image, density losing of cyan image due to processing by a fatigued bleach or bleach-fix solution.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: September 12, 1989
    Assignee: Konica Corporation
    Inventors: Norio Miura, Shuji Kida, Satoshi Nakagawa, Toshihiko Kimura
  • Patent number: 4863840
    Abstract: A silver halide color photographic light-sensitive material is disclosed, which is satifactory in the overall discoloration color balance of a dye image composed of yellow, magenta and cyan dyes in the light discoloration as well as in the dark discoloration and produces little or no yellow color stain when stored being exposed to a light or in the dark over an extensive period of time and which is excellent in the quality of the dye image even when stored over an extensive period of time.The color photographic material comprises a silver halide emulsion layers containing a specific yellow dye-forming coupler, a silver halide emulsion layer containing a specific magenta dye-forming coupler and a silver halide emulsion layer containing two kinds of specific cyan dye-forming couplers, and the respective emulsion layers each contain high-boiling organic solvent having a dielectric constant of not more than 6.0.
    Type: Grant
    Filed: January 13, 1987
    Date of Patent: September 5, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kazuo Komorita, Kaoru Onodera
  • Patent number: 4863836
    Abstract: There is provided a method for processing a silver halide color photographic material which comprises processing the silver halide color photographic material with a color developer containing an aromatic primary amine color developing agent and a specific amino compound. According to this method the stability and color forming property of a color developer are improved so that the increased fogging problem in continuous processing is lessened and the processing time is shortened. There is also provided a color developer composition which can be used as the developer, as it is or after adjusting its composition.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: September 5, 1989
    Assignee: Fuji Photo Film, Co., Inc.
    Inventors: Takatoshi Ishikawa, Nobutaka Ohki, Morio Yagihara
  • Patent number: 4861701
    Abstract: Photographic compounds capable of releasing a photographically useful group are more effective in photographic materials when the photographic compounds comprise at least two differing timing groups in sequence between a carrier moiety and the photographically useful group. The two timing groups in sequence enable improved timing and control of release of the photographically useful group.
    Type: Grant
    Filed: October 5, 1987
    Date of Patent: August 29, 1989
    Assignee: Eastman Kodak Company
    Inventors: Paul A. Burns, Terry R. Taber
  • Patent number: 4857442
    Abstract: The present invention provides an economical method for the processing of silver halide color photographic materials comprising fixing or bleach-fixing of the material followed by the washing thereof with a small amount of a washing replenisher. The present method is characterized in that the silver halide color photographic material to be processed contains at least one cyan dye-forming coupler of the following formula (I) or (II) and that the amount of the washing replenisher in the washing step falls within the range of 30 to 50 times of the amount of the processing solution carried over from a previous bath based on the unit area of the photographic material being processed, ##STR1## wherein, R.sub.1 represents --CONR.sub.5 R.sub.6, --NHCOR.sub.5, --NHCOOR.sub.7, --NHSO.sub.2 R.sub.7, --NHCONR.sub.5 R.sub.6 or --NHSO.sub.2 NR.sub.5 R.sub.6 ;R.sub.2 represents a substituent on the naphthol ring;m is an integer of 0 to 3;R.sub.3 represents a mono-valent organic group;R.sub.
    Type: Grant
    Filed: October 17, 1986
    Date of Patent: August 15, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yoshihiro Fujita, Toshihiro Nishikawa
  • Patent number: 4857444
    Abstract: A silver halide color photographic material is disclosed, comprising a support having provided thereon a red-sensitive layer, a green-sensitive layer, and a blue-sensitive layer, in which at least one of couplers represented by the formulae (I) and/or (II), at least one of couplers represented by the following formula (III), and at least one of couplers represented by the following formula (IV) are respectively incorporated in the light-sensitive layers different from each other in color sensitivity: ##STR1## wherein: R.sub.1, R.sub.2, R.sub.4 each represents a substituted or unsubstituted aliphatic, aromatic or heterocyclic group;R.sub.3, R.sub.5, and R.sub.6 each represents a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, or an acylimino group or, when taken together, R.sub.3 and R.sub.2 represent non-metallic atoms necessary for forming a nitrogen-containing 5- or 6-membered ring;R.sub.7 represents an alkoxy group, an aryloxy group, or a heterocyclic oxy group;R.sub.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: August 15, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takeshi Hirose, Tadashi Ogawa, Nobuo Furutachi
  • Patent number: 4857446
    Abstract: Dyes having structure ##STR1## A represents a substituted or unsubstituted nucleus having a carboxyphenyl or sulfonamidophenyl substituent selected from the group consisting of 2-pryazolin-5-ones free of any substituent bonded thereto through a carboxyl group, rhodanines, hydantoins, 2-thiohydantoins, 4-thiohydantoins, 2,4-oxazolidindiones, 2-thio-2,4-oxazolidindiones, isoxazolinones, barbiturics, 2-thiobarbiturics, and indandiones,R represent hydrogen, substituted or unsubstituted alkyl of 1 to 4 carbon atoms, or benzyl,R.sup.1 and R.sup.2 each independently represents substituted or unsubstituted alkyl or aryl, or taken together with R.sup.5, R.sup.6, N and the carbon atoms to which they are attached, represent the atoms needed to complete a julolydyl ring,R.sup.3 represents H, or substituted or unsubstituted alkyl or aryl,R.sup.5 and R.sup.6 each independently represents H, or R.sup.5 taken together with R.sup.1, or R.sup.6 taken together with R.sup.
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: August 15, 1989
    Assignee: Eastman Kodak Company
    Inventors: Donald R. Diehl, Ronda E. Factor
  • Patent number: 4857440
    Abstract: Photographic compound (A) capable of releasing a photographically useful group by means of intramolecular nucleophilic displacement exhibits increased resistance to hydrolysis when the compound contains in a coupling position a coupling-off group represented by the formula: ##STR1## wherein Q, R.sub.q, R.sub.1, R.sub.2, R.sub.3, n and PUG are as defined in the application. Such a compound (A) is useful in a photographic silver halide material and process.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: August 15, 1989
    Assignee: Eastman Kodak Company
    Inventors: William J. Begley, Michael J. Carmody, John M. Buchanan
  • Patent number: 4855220
    Abstract: A photographic element is disclosed that comprises a support having thereon spectrally-sensitized light-sensitive silver halide, a color dye-forming coupler, a DIR compound capable of inhibiting development of the silver halide, and, between the silver halide layer and the source of the image exposure, a layer comprising a non-diffusible filter dye that absorbs light in the region of the spectrum to which the silver halide is sensitized.
    Type: Grant
    Filed: January 14, 1988
    Date of Patent: August 8, 1989
    Assignee: Eastman Kodak Company
    Inventor: Richard P. Szajewski
  • Patent number: 4849325
    Abstract: A light-sensitive material package unit having an exposure function is disclosed, in which said light-sensitive material comprises a support having provided thereon at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing a magenta coupler, and at least one blue-sensitive silver halide emulsion layer containing a yellow coupler; at least one of said light-sensitive emulsion layers is composed of at least two layers being substantially the same in color sensitivity and different in sensitivity; and said light-sensitive emulsion layer composed of at least two layers contains a compound represented by formula (I)A--L.sub.1).sub.b Z.sub.1 (I)wherein A represents a component capable of releasing --(L.sub.1).sub.b Z.sub.1 upon reacting with an oxidation product of a color developing agent; L.sub.1 represents a timing group; Z.sub.
    Type: Grant
    Filed: June 30, 1987
    Date of Patent: July 18, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Noboru Sasaki, Keisuke Shiba
  • Patent number: 4849328
    Abstract: Novel phenolic cyan dye-forming couplers are disclosed. The coupler compounds contain a p-cyanophenylureido group in the 2- position and an acylamino group in the 5- position of the phenolic ring. The acylamino group contains bulky substituents to provide steric interaction within the coupler molecule as well as within the dye molecule derived therefrom. The coupler compounds are useful in photographic recording materials.
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: July 18, 1989
    Assignee: Eastman Kodak Company
    Inventors: David Hoke, Kenneth N. Kilminster
  • Patent number: 4847188
    Abstract: A thermally developable light-sensitive material having at least a light-sensitive silver halide, a reducing agent, a binder and a dye-providing material on a support is disclosed. The dye-providing material is a compound that releases or forms a diffusible dye as a function of development and which has a group capable of reacting with the nucleophilic agent.
    Type: Grant
    Filed: February 1, 1988
    Date of Patent: July 11, 1989
    Assignee: Konica Corporation
    Inventors: Tawara Komamura, Hidenobu Ohya
  • Patent number: 4847185
    Abstract: Photographic compounds capable of releasing a photographically useful group (PUG) by means of an intramolecular nucleophilic displacement provide increased image acutance when a coupling-off group in the coupling position of the compound is a group of the formula: ##STR1## wherein PUG is a photographically useful group; Q is N or C--R where R is hydrogen or a substituent that does not adversely affect imaging; and Z represents atoms completing a non-aromatic, heterocyclic ring. The photographic compounds are useful in photographic materials and processes.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: July 11, 1989
    Assignee: Eastman Kodak Company
    Inventors: William J. Begley, Michael J. Carmody, John M. Buchanan
  • Patent number: 4842985
    Abstract: A conventional silver halide color photographic material is described, containing a coupler having a dye moiety having the maximum absorption wave length shifted to a short wave length by a linkage which is cleaved directly or through a timing group by a coupling reaction with the oxidation product of a developing agent and forming a compound or the precursor thereof (compound A) having a dye moiety having the maximum absorption wave length before shifting as the result of the above-described reaction and a compound capable of fixing the hue of the compound A at a long wave length and/or capable of immobilizing the compound A in the photographic layer.
    Type: Grant
    Filed: December 8, 1987
    Date of Patent: June 27, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Mitsunori Ono, Koji Tamoto, Keiji Mihayashi, Seiji Ichijima, Isamu Itoh, Yoshisada Nakamura
  • Patent number: 4842994
    Abstract: A silver halide photographic material is described, comprising a support having provided thereon at least one silver halide photographic emulsion layer and comprising a bleach accelerator-releasing coupler, wherein said bleach accelerator-releasing coupler is represented by formula (I)A--(TIME).sub.n --S--X--(Y).sub.m --(Z)l]a (I)wherein A represents a coupler residual group; TIME represents a timing group; n represents 0 or 1; X represents a cyclic aliphatic group or a saturated heterocyclic group; Y represents an aliphatic group having from 1 to 8 carbon atoms which may contain a group of --O--, a group of --S--, a group of --COO--, a group of --CO--, a group of ##STR1## a group of ##STR2## a group of --SO.sub.2 --or a group of ##STR3## in its chain; m represents an integer of from 0 to 3, and when m represents 2 or more, the two or more Y groups may be the same or different; Z represents a group of --OH, a group of --COOM, a group of --SO.sub.
    Type: Grant
    Filed: November 12, 1987
    Date of Patent: June 27, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kei Sakanoue, Seiji Ichijima
  • Patent number: 4840884
    Abstract: A new photographic coupler comprises a coupling-off group bonded to the coupler at the coupling position represented by the formula:--L--NR.sup.1 --DYEwherein L is a linking group; NR.sup.1 is a substituted nitrogen atom bonded to DYE that together with NR.sup.1 is a releasable dye comprising an electrically neutral chromophore. Such a coupler enables dye hue stabilization without mordanting the dye formed. Such a new coupler is useful in a photographic silver halide element and process to provide increased dye density, higher contrast dye images, and lower pH sensitivity upon processing.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: June 20, 1989
    Assignee: Eastman Kodak Company
    Inventors: Jared B. Mooberry, Stephen P. Singer
  • Patent number: 4840883
    Abstract: There is disclosed a light-sensitive silver halide color photographic material containing novel cyan coupler which comprises a light-sensitive silver halide color photographic material having at least one silver halide emulsion layer on a support, characterized in that at least one layer of the silver halide emulsion layer contains at least one cyan coupler represented by the formula (I) shown below: ##STR1## wherein R.sub.1 and R.sub.2 each represent an alkyl group, an aryl group, a heterocyclic group, a dialkylamino group, an anilino group, an alkoxy group or an arloxy group; R.sub.3 represents a hydrogen atom or an alkyl group; R.sub.4 represents a hydrogen atom, an alkyl group, an aryl group, A R.sub.5 CO--group or a R.sub.5 SO.sub.2 --group; provided that R.sub.3 and R.sub.4 cannot be hydrogen atoms at the same time; R.sub.
    Type: Grant
    Filed: June 14, 1988
    Date of Patent: June 20, 1989
    Assignee: Konica Corporation
    Inventors: Toyoaki Masukawa, Hidetaka Ninomiya, Hiroyuki Iizuka
  • Patent number: 4840878
    Abstract: A method for forming a color image is disclosed, which comprises imagewise exposing a multi-layer silver halide color photographic material comprising a reflective support having provided thereon at least three silver halide emulsion layers different in color sensitivity, each of which separately contains at least one coupler selected from a specific combination of cyan, magenta, and yellow couplers, and processing the exposed material with a color developing solution containing substantially no benzyl alcohol for a period of not more than 2 minutes and a half. A color image excellent in color reproducibility and preservability can be obtained rapidly without using benzyl alcohol.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: June 20, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takeshi Hirose, Nobuo Furutachi, Kozo Aoki, Kiyoshi Nakazyo, Genichi Furusawa
  • Patent number: 4839267
    Abstract: Color photographic motion picture elements adapted to form a multicolor photographic dye image and an integral, infrared-absorbing, dye sound track and comprising a 1-hydroxy-2-N-(5-ballasted-thiazol-2-yl)-naphthamide coupler dispersed with the aid of a water-immiscible, high-boiling, oil-type hydrocarbon oil-former, said coupler bearing a phenyl group or a substituted phenyl group at the 4-position of the thiazol-2-yl ring and being capable of forming infrared-absorbing quinone imine dyes by reaction with an oxidized aromatic primary amino developing agent.
    Type: Grant
    Filed: October 21, 1987
    Date of Patent: June 13, 1989
    Assignee: AGFA-Gevaert, N.V.
    Inventors: Marcel J. Monbaliu, Paul L. Van Meerbeeck
  • Patent number: 4837139
    Abstract: There are disclosed a processing solution of a light-sensitive silver halide color photographic material, which comprises containing a compound represented by the formula (I) shown below, and a processing method of the same, which comprises subjecting a light-sensitive silver halide color photographic material having at least one layer of silver halide emulsion layer on a support to imagewise exposure and then applying processing including at least a color developing processing, characterized in that the color developing solution to be used in the color developing processing contains a compound represented by the formula (I) shown below: ##STR1## wherein R.sub.1 represents an alkyl group having 1 to 5 carbon atoms substituted with an alkoxy group, and R.sub.2 represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms or an alkyl group having 1 to 5 carbon atoms substituted with an alkoxy group, and R.sub.1 and R.sub.2 may be bonded with each other to form a ring containing an oxygen atom.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: June 6, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kazuhiro Kobayashi, Shigeharu Koboshi, Satoru Kuse, Masao Ishikawa
  • Patent number: 4837136
    Abstract: A silver halide photographic material is described comprising a support having coated thereon at least one silver halide emulsion layer, wherein at least one of the silver halide emulsion layer and other hydrophilic colloid layer contains a nondiffusible photographically useful compound having a sulfo group and a group represented by the following general formula (I): ##STR1## wherein R.sub.1 and R.sub.2 each represents an aliphatic group having at least 2 carbon atoms and r represents 0 or 1.The compounds represented by the general formula (I) are photographically useful compounds which impart excellent photographic properties to silver halide photographic materials, including improved dispersibility.
    Type: Grant
    Filed: October 9, 1986
    Date of Patent: June 6, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Seiji Ichijima, Yasuhiro Shimada, Jun Arakawa
  • Patent number: 4822729
    Abstract: Cyan-forming color couplers according to the formula: ##STR1## wherein Z is hydrogen or a coupling off group, R.sup.1 is hydrogen, a halogen atom, alkyl, or alkoxy, R.sup.2 is hydrogen or alkyl, R.sub.3 is hydrogen, a halogen atom, alkyl, alkoxy, alkylsulphonyl, alkanamidosulphonyl, alkoxycarbonyl, alkanamidocarbonyl, alkanamido, alkylsulphonamido, or cyano, R.sup.4 is a substituent standing at the 3- or 6-position of the phenol and selected from hydrogen, a halogen atom, and alkyl, and n is 0 or 1. These couplers can be incorporated into (a) red-sensitized silver halide emulsion layer(s) of a photographic multilayer color element or in a non-light-sensitive colloid layer in water-permeable relationship with the red-sensitized emulsion layer(s).
    Type: Grant
    Filed: November 24, 1987
    Date of Patent: April 18, 1989
    Assignee: AGFA-Gevaert, N.V.
    Inventors: Marcel J. Monbaliu, Paul L. Van Meerbeeck
  • Patent number: 4818670
    Abstract: A silver halide photographic material is disclosed, which has high image quality in addition to high sensitivity. The photographic material comprises a support and at least one silver halide light-sensitive emulsion layer containing a compound being capable of splitting off a diffusible development-inhibitor or a precursor thereof upon a reaction with an oxidized product of a color developing agent. At least one of the silver halide light-sensitive emulsion layer layer and a layer adjacent to the light-sensitive emulsion layer contains a silver halide emulsion comprising a silver halide grain having an internal fog nucleus.
    Type: Grant
    Filed: February 17, 1987
    Date of Patent: April 4, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshihiko Yagi, Hiroshi Shimazaki
  • Patent number: H782
    Abstract: A silver halide color photographic material in disclosed which comprises a support having thereon at least one silver halide emulsion layer, wherein the photographic material contains at least one compound represented by general formula (I) and at least one compound represented by general formula (II) in combination:Cp--(TIME).sub.n --X--Dye (I)wherein Cp represents a coupler residue capable of releasing --(TIME).sub.n --X--Dye upon coupling with an oxidation product of an aromatic primary amine developing agent; TIME represents a timing group; n represents 0 or a positive integer; Dye represents a dye residue, and X represents an auxochromic group of said dye; ##STR1## wherein R represents a hydrogen atom or a substituent; Y represents a hydrogen atom or a coupling-off group; Za, Zb and Zc each represents a methine group, a substituted methine group, .dbd.
    Type: Grant
    Filed: September 14, 1987
    Date of Patent: May 1, 1990
    Inventors: Mitsunori Ono, Koji Tamoto, Yoshisada Nakamura, Shingo Sato