GB1429915A - Dispersions of silver halide developing agents - Google Patents

Dispersions of silver halide developing agents

Info

Publication number
GB1429915A
GB1429915A GB3299174A GB3299174A GB1429915A GB 1429915 A GB1429915 A GB 1429915A GB 3299174 A GB3299174 A GB 3299174A GB 3299174 A GB3299174 A GB 3299174A GB 1429915 A GB1429915 A GB 1429915A
Authority
GB
United Kingdom
Prior art keywords
silver halide
developing agent
agent
polymers
developing agents
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3299174A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of GB1429915A publication Critical patent/GB1429915A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/32—Development processes or agents therefor
    • G03C8/36—Developers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C2200/00—Details
    • G03C2200/47—Polymer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Abstract

1429915 Silver halide developing agents FUJI PHOTO FILM CO Ltd 25 July 1974 [26 July 1973] 32991/74 Heading G2C A silver halide developing agent dispersion comprises a hydrophilic colloid having dispersed therein fine droplets of a silver halide developing agent dissolved in a substantially water-insoluble solvent, and at least one surface active polymer containing recurring units of the Formula wherein R is a hydrocarbon chain or a fluorine substituted hydrocarbon chain containing 4 to 22 carbon atoms or an aryl group; n is 0 to 40; and M is a hydrogen atom or a cation. The developing agent is defined as a compound capable of acting as a reducing agent for an exposed silver halide, such as a dye developer and/or an auxiliary developing agent. The polymers are esterfied maleic anhydride polymers or polymers of maleic acid half esters or their salts, including copolymers with e.g. ethylene, styrene, methyl vinyl ether, methyl methacrylate, ethyl acrylate, acrylonitrile, acrylamide, vinyl acetate and vinyl chloride. The dispersion may also contain conventional surface-active agents. The dye developers are conventional. Derivatives of hydroquinone, catechol and dihydroxy-tetrahydronaphthalene are specified as auxiliary developing agents. The developing agents may be dissolved in a high boiling solvent (e.g. b.p. above 150‹C) with optionally an auxiliary solvent and the solution is then dispersed in an aqueous solution of hydrophilic colloid to form colloidal particles of size less than 1 Á, e.g. down to 0.3 Á. An oleophilic polymer or viscosity increasing agent may be added to the oil phase of the dispersion.
GB3299174A 1973-07-26 1974-07-25 Dispersions of silver halide developing agents Expired GB1429915A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48084438A JPS5034233A (en) 1973-07-26 1973-07-26

Publications (1)

Publication Number Publication Date
GB1429915A true GB1429915A (en) 1976-03-31

Family

ID=13830583

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3299174A Expired GB1429915A (en) 1973-07-26 1974-07-25 Dispersions of silver halide developing agents

Country Status (4)

Country Link
US (1) US3929485A (en)
JP (1) JPS5034233A (en)
DE (1) DE2436185A1 (en)
GB (1) GB1429915A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5932784B2 (en) * 1975-10-16 1984-08-10 コニカ株式会社 Color diffusion transfer method
JPS5830569B2 (en) * 1977-03-31 1983-06-30 富士写真フイルム株式会社 photographic material
JPS6021371B2 (en) * 1977-07-04 1985-05-27 コニカ株式会社 Method for manufacturing silver halide photographic materials
EP0239363B1 (en) 1986-03-25 1992-10-28 Konica Corporation Light-sensitive silver halide photographic material feasible for high speed processing
US5422233A (en) * 1994-05-17 1995-06-06 Polaroid Corporation Photographic processing compositions including hydrophobically modified thickening agent

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE470936A (en) * 1940-02-24
BE543746A (en) * 1955-08-11
CA684233A (en) * 1959-05-25 1964-04-14 C. Haas Howard Photographic products and processes
US3359108A (en) * 1964-04-02 1967-12-19 Eastman Kodak Co Photographic emulsion having a low modulus of elasticity and process for its manufacture
US3518088A (en) * 1965-12-17 1970-06-30 Eastman Kodak Co Developing agent dispersions
DE1472790A1 (en) * 1965-12-22 1969-03-13 Agfa Gevaert Ag Photographic developer concentrate
DE1812578A1 (en) * 1968-10-04 1970-06-25 Wolfen Filmfab Veb Coloured photographic products are obtained by dissolving a coloured coupling agent (I) in an emulsion of polymers (II), adjusting the pH to 3-8 and then adding
DE1957467A1 (en) * 1969-11-15 1971-05-27 Heinz Reber Clamps for concrete formwork
DE2049689A1 (en) * 1970-10-09 1972-07-20 Agfa-Gevaert Ag, 5090 Leverkusen Storage procedure
US3647437A (en) * 1970-12-18 1972-03-07 Polaroid Corp Photographic products, processes and compositions
US3785824A (en) * 1971-09-24 1974-01-15 Minnesota Mining & Mfg Photographic aqueous dispersion concentrates
JPS5017637A (en) * 1973-06-14 1975-02-25

Also Published As

Publication number Publication date
DE2436185A1 (en) 1975-02-06
US3929485A (en) 1975-12-30
JPS5034233A (en) 1975-04-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee