GB1490248A - Photographic photosensitive silver halide elements and colour diffusion transfer film units - Google Patents

Photographic photosensitive silver halide elements and colour diffusion transfer film units

Info

Publication number
GB1490248A
GB1490248A GB411275A GB411275A GB1490248A GB 1490248 A GB1490248 A GB 1490248A GB 411275 A GB411275 A GB 411275A GB 411275 A GB411275 A GB 411275A GB 1490248 A GB1490248 A GB 1490248A
Authority
GB
United Kingdom
Prior art keywords
amino
hydroxy
give
prepared
sodium
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
GB411275A
Other languages
English (en)
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
Priority claimed from US05/439,787 external-priority patent/US3932380A/en
Priority claimed from US05/439,809 external-priority patent/US3954476A/en
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1490248A publication Critical patent/GB1490248A/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
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • G03C8/08—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds
    • G03C8/10—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors
    • G03C8/12—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors characterised by the releasing mechanism
    • G03C8/14—Oxidation of the chromogenic substances
    • G03C8/16—Oxidation of the chromogenic substances initially diffusible in alkaline environment
    • G03C8/18—Dye 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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • G03C8/08—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds
    • G03C8/10—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB411275A 1974-02-05 1975-01-30 Photographic photosensitive silver halide elements and colour diffusion transfer film units Expired GB1490248A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/439,787 US3932380A (en) 1974-02-05 1974-02-05 Magenta image-providing phenylazo-naphthyl dyes
US05/439,809 US3954476A (en) 1974-02-05 1974-02-05 Diffusable dye-releasing compounds which are cleavable upon oxidation

Publications (1)

Publication Number Publication Date
GB1490248A true GB1490248A (en) 1977-10-26

Family

ID=27032168

Family Applications (1)

Application Number Title Priority Date Filing Date
GB411275A Expired GB1490248A (en) 1974-02-05 1975-01-30 Photographic photosensitive silver halide elements and colour diffusion transfer film units

Country Status (4)

Country Link
CH (1) CH616248A5 (nl)
FR (1) FR2273304B1 (nl)
GB (1) GB1490248A (nl)
NL (1) NL178911C (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3863375D1 (de) * 1987-03-19 1991-08-01 Agfa Gevaert Nv Organische verbindungen fuer das farbstoffdiffusionsuebertragungsverfahren und diese verbindungen enthaltende photographische elemente.

Also Published As

Publication number Publication date
NL7501348A (nl) 1975-08-07
FR2273304B1 (nl) 1978-03-17
AU7786175A (en) 1976-08-05
NL178911B (nl) 1986-01-02
FR2273304A1 (nl) 1975-12-26
CH616248A5 (en) 1980-03-14
NL178911C (nl) 1986-06-02

Similar Documents

Publication Publication Date Title
GB1361989A (en) Colour photographic light-sensitive silver halide material
US4172728A (en) High contrast continuous tone developer and process of use
GB1490248A (en) Photographic photosensitive silver halide elements and colour diffusion transfer film units
GB1422057A (en) Spectrally sensitized silver halide photosensitive elements
GB655009A (en) Improvements in photographic processes
GB382483A (en) Improvements in or relating to the manufacture of light-sensitive layers
US5853964A (en) Weakly alkaline ascorbic acid developing composition, processing kit and method using same
GB1469078A (en) Silverhalide photographic emulsions and developers containing cyclic ketomethyleneamide yellow-forming photographic couplers
GB742330A (en) Improvements in single-powder photographic developers
GB1307203A (en) Hardening gelatine for use in a light-sensitive silver halide photographic element
GB907146A (en) Improvements in photographic reproduction processes
GB255925A (en) Improvements in and relating to the preparation of photographic developers
US3549364A (en) Photographic processes and compositions
GB1309365A (en) Diffusion-transfer process for photographic silver halide emulsion
GB1475769A (en) Colour diffusion-transfer photographic silver halide material
GB1336421A (en) Colour photographic developing method and developer therefor
GB1479836A (en) Photographic material for producing direct positives
GB537696A (en) Improvements in and relating to colour-forming development and colour photographic elements
GB712374A (en) Improvements in photographic processes
GB518662A (en) Improvements in or relating to the production of photo-mechanical printing surfaces
GB705842A (en) Photosensitive material
US4083722A (en) Developer composition and process for developing photographic film
GB1330356A (en) Photographic light-sensitive materials
GB425615A (en) Improvements in or relating to the construction of scanning discs for television, telecinematographic and like systems
GB900171A (en) Improvements in photographic developing solutions

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee