GB1240706A - Photographic physical developer compositions - Google Patents

Photographic physical developer compositions

Info

Publication number
GB1240706A
GB1240706A GB613471A GB613471A GB1240706A GB 1240706 A GB1240706 A GB 1240706A GB 613471 A GB613471 A GB 613471A GB 613471 A GB613471 A GB 613471A GB 1240706 A GB1240706 A GB 1240706A
Authority
GB
United Kingdom
Prior art keywords
heavy metal
salt
ions
group
developer
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
GB613471A
Inventor
Joseph Samuel Yudelson
Barbara Fox Dernbach
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1240706A publication Critical patent/GB1240706A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/14—Esterification
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/50—Compositions containing noble metal salts other than silver salts, as photosensitive substances
    • 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
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • G03C8/04—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of inorganic or organo-metallic compounds derived from photosensitive noble metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

1,240,706. Photographic physical developers. EASTMAN KODAK CO. July 12, 1968 [April 22, 1968], No.6134/71. Divided out of 1,240,705. Heading G2C. A photographic physical developer for a latent palladium image comprises a reducible watersoluble heavy metal salt (i.e. a salt of a Group IB, Group VIB or Group VIII metal), a reducing agent therefor, a complexing agent for the heavy metal ions and a complexing agent for palladium ions which is gluconic acid, saccharic acid or quinic acid or a salt thereof. Heavy metal salts specified are those of Ni, Co, Fe, Cu, Cr, Pd, Pt, Ag or Au; reducing agents include HCHO, hypophosphites, hydrosulphites, borohydrides, borane amines and hydrazine; and complexing agents for the heavy metal ions include NH 4 Cl, aspartic, malic, citric or glycolic acids, sodium or potassium citrate glycolate or succinate or potassium sodium tartrate. The developer may also contain stannous ions.
GB613471A 1967-07-13 1968-07-12 Photographic physical developer compositions Expired GB1240706A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65302567A 1967-07-13 1967-07-13
US72326968A 1968-04-22 1968-04-22

Publications (1)

Publication Number Publication Date
GB1240706A true GB1240706A (en) 1971-07-28

Family

ID=27096425

Family Applications (1)

Application Number Title Priority Date Filing Date
GB613471A Expired GB1240706A (en) 1967-07-13 1968-07-12 Photographic physical developer compositions

Country Status (1)

Country Link
GB (1) GB1240706A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551411A (en) * 1984-12-28 1985-11-05 Eastman Kodak Company Sequestrants used in diffusion transfer elements with metallizable dyes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551411A (en) * 1984-12-28 1985-11-05 Eastman Kodak Company Sequestrants used in diffusion transfer elements with metallizable dyes

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