GB662419A - Production of yellow dye photographic images by color development - Google Patents

Production of yellow dye photographic images by color development

Info

Publication number
GB662419A
GB662419A GB31880/49A GB3188049A GB662419A GB 662419 A GB662419 A GB 662419A GB 31880/49 A GB31880/49 A GB 31880/49A GB 3188049 A GB3188049 A GB 3188049A GB 662419 A GB662419 A GB 662419A
Authority
GB
United Kingdom
Prior art keywords
prepared
acid
bis
condensing
reducing
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
GB31880/49A
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.)
GAF Chemicals Corp
Original Assignee
General Aniline and Film Corp
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 General Aniline and Film Corp filed Critical General Aniline and Film Corp
Publication of GB662419A publication Critical patent/GB662419A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32Colour coupling substances
    • G03C7/3244Couplers forming azinic dyes; Specific developers therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB31880/49A 1948-12-22 1949-12-12 Production of yellow dye photographic images by color development Expired GB662419A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66825A US2522802A (en) 1948-12-22 1948-12-22 Production of yellow dye images by color development

Publications (1)

Publication Number Publication Date
GB662419A true GB662419A (en) 1951-12-05

Family

ID=22071952

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31880/49A Expired GB662419A (en) 1948-12-22 1949-12-12 Production of yellow dye photographic images by color development

Country Status (6)

Country Link
US (1) US2522802A (enrdf_load_stackoverflow)
BE (1) BE492847A (enrdf_load_stackoverflow)
CH (1) CH289721A (enrdf_load_stackoverflow)
DE (1) DE827901C (enrdf_load_stackoverflow)
FR (1) FR1003992A (enrdf_load_stackoverflow)
GB (1) GB662419A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3099559A (en) * 1959-08-31 1963-07-30 Gen Aniline & Film Corp Silver-free color reproduction process and composition therefor
BE584330A (enrdf_load_stackoverflow) * 1959-11-05
US4066456A (en) * 1974-12-10 1978-01-03 Gaf Corporation Incorporated carboxy substituted p-phenylenediamine color developer
US4066457A (en) * 1974-12-10 1978-01-03 Gaf Corporation Color developer for diffusion transfer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE465025A (enrdf_load_stackoverflow) * 1945-01-27

Also Published As

Publication number Publication date
CH289721A (fr) 1953-03-31
US2522802A (en) 1950-09-19
BE492847A (enrdf_load_stackoverflow)
DE827901C (de) 1952-03-17
FR1003992A (fr) 1952-03-24

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