GB2017324B - Photographic silver dye bleach process - Google Patents

Photographic silver dye bleach process

Info

Publication number
GB2017324B
GB2017324B GB7842022A GB7842022A GB2017324B GB 2017324 B GB2017324 B GB 2017324B GB 7842022 A GB7842022 A GB 7842022A GB 7842022 A GB7842022 A GB 7842022A GB 2017324 B GB2017324 B GB 2017324B
Authority
GB
United Kingdom
Prior art keywords
photographic silver
silver dye
dye bleach
bleach process
photographic
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
GB7842022A
Other versions
GB2017324A (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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Priority to GB7842022A priority Critical patent/GB2017324B/en
Publication of GB2017324A publication Critical patent/GB2017324A/en
Application granted granted Critical
Publication of GB2017324B publication Critical patent/GB2017324B/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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • 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
GB7842022A 1977-10-28 1978-10-26 Photographic silver dye bleach process Expired GB2017324B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7842022A GB2017324B (en) 1977-10-28 1978-10-26 Photographic silver dye bleach process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4488277 1977-10-28
GB7842022A GB2017324B (en) 1977-10-28 1978-10-26 Photographic silver dye bleach process

Publications (2)

Publication Number Publication Date
GB2017324A GB2017324A (en) 1979-10-03
GB2017324B true GB2017324B (en) 1982-03-24

Family

ID=26265468

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7842022A Expired GB2017324B (en) 1977-10-28 1978-10-26 Photographic silver dye bleach process

Country Status (1)

Country Link
GB (1) GB2017324B (en)

Also Published As

Publication number Publication date
GB2017324A (en) 1979-10-03

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Legal Events

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