GB546704A - Improvements in the production of coloured photographic images - Google Patents

Improvements in the production of coloured photographic images

Info

Publication number
GB546704A
GB546704A GB812/41A GB81241A GB546704A GB 546704 A GB546704 A GB 546704A GB 812/41 A GB812/41 A GB 812/41A GB 81241 A GB81241 A GB 81241A GB 546704 A GB546704 A GB 546704A
Authority
GB
United Kingdom
Prior art keywords
acid
coupling
mols
dye made
tetrazotized
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
GB812/41A
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
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB546704A publication Critical patent/GB546704A/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

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)
  • Indole Compounds (AREA)
GB812/41A 1940-10-10 1941-01-21 Improvements in the production of coloured photographic images Expired GB546704A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US360622A US2322001A (en) 1940-10-10 1940-10-10 Method of producing dye images
GB10577/41A GB551501A (en) 1940-10-10 1941-08-19 Improvements in multi-layer colour photography

Publications (1)

Publication Number Publication Date
GB546704A true GB546704A (en) 1942-07-27

Family

ID=26247618

Family Applications (2)

Application Number Title Priority Date Filing Date
GB812/41A Expired GB546704A (en) 1940-10-10 1941-01-21 Improvements in the production of coloured photographic images
GB10577/41A Expired GB551501A (en) 1940-10-10 1941-08-19 Improvements in multi-layer colour photography

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB10577/41A Expired GB551501A (en) 1940-10-10 1941-08-19 Improvements in multi-layer colour photography

Country Status (3)

Country Link
US (2) US2322001A (fr)
FR (2) FR919792A (fr)
GB (2) GB546704A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE23357E (en) * 1939-08-28 1951-04-17 Processes for producing same
US2418624A (en) * 1943-03-02 1947-04-08 Eastman Kodak Co Azo dyes for color photography
US2434272A (en) * 1944-05-03 1948-01-13 Eastman Kodak Co Color photography with azosubstituted couplers
US2688542A (en) * 1949-02-09 1954-09-07 Bela Gaspar Material and process for the production of color photographic images
GB711233A (en) * 1951-08-16 1954-06-30 Geigy Ag J R Improvements in or relating to colour photography
US2899305A (en) * 1957-05-09 1959-08-11 Colour photography
US3061433A (en) * 1958-08-04 1962-10-30 Ilford Ltd Process and solution for bleaching photographic images
NL282992A (fr) * 1961-09-08
CH511456A (de) * 1969-07-30 1971-08-15 Ciba Geigy Ag Verfahren zum Entfernen von metallischem Silber aus photographischem Material
US4029509A (en) * 1975-11-17 1977-06-14 E. I. Du Pont De Nemours And Company Positive process using a low coating weight silver halide
US4047956A (en) * 1975-11-17 1977-09-13 E. I. Du Pont De Nemours And Company Low coating weight silver halide element and process
JPS5565952A (en) * 1978-11-13 1980-05-17 Fuji Photo Film Co Ltd Color image formation method

Also Published As

Publication number Publication date
FR919792A (fr) 1947-03-18
GB551501A (en) 1943-02-25
US2326055A (en) 1943-08-03
US2322001A (en) 1943-06-15
FR54933E (fr) 1951-04-30

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