GB504376A - Improvements in the production of colour photographic pictures - Google Patents

Improvements in the production of colour photographic pictures

Info

Publication number
GB504376A
GB504376A GB23190/37A GB2319037A GB504376A GB 504376 A GB504376 A GB 504376A GB 23190/37 A GB23190/37 A GB 23190/37A GB 2319037 A GB2319037 A GB 2319037A GB 504376 A GB504376 A GB 504376A
Authority
GB
United Kingdom
Prior art keywords
colour
pyridine
chloracetophenone
chloride
bromacetophenone
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
GB23190/37A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB504376A publication Critical patent/GB504376A/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
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32—Colour coupling substances
    • G03C7/36—Couplers containing compounds with active methylene groups

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB23190/37A 1937-07-30 1937-08-24 Improvements in the production of colour photographic pictures Expired GB504376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0058706 1937-07-30

Publications (1)

Publication Number Publication Date
GB504376A true GB504376A (en) 1939-04-24

Family

ID=7194843

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23190/37A Expired GB504376A (en) 1937-07-30 1937-08-24 Improvements in the production of colour photographic pictures

Country Status (4)

Country Link
US (1) US2154918A (ja)
BE (1) BE429448A (ja)
FR (1) FR841425A (ja)
GB (1) GB504376A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418748A (en) * 1944-06-07 1947-04-08 Gen Aniline & Film Corp Heterocyclic color couplers

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440526A (en) * 1942-12-23 1948-04-27 Nellie W Solomon Fibrous sheet material for the electrolytic formation of an azo dyestuff thereon
US2433632A (en) * 1942-12-23 1947-12-30 Rca Corp Fibrous sheet material for the electrolytic formation of azo dye image records thereon
US2421693A (en) * 1944-09-16 1947-06-03 Gen Aniline & Film Corp Imidazolone color formers
NL62542C (ja) * 1945-08-03
US2440954A (en) * 1945-08-23 1948-05-04 Du Pont Process for eliminating stain from color-yielding elements by treatment with aromatic aldehydes containing an acyl group
US2776116A (en) * 1953-10-29 1957-01-01 Acme Highway Prod Beam guard for highways and the like
DE3933238A1 (de) * 1989-10-05 1991-04-11 Agfa Gevaert Ag Farbfotografisches aufzeichnungsmaterial mit einem dir-kuppler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418748A (en) * 1944-06-07 1947-04-08 Gen Aniline & Film Corp Heterocyclic color couplers

Also Published As

Publication number Publication date
FR841425A (fr) 1939-05-19
US2154918A (en) 1939-04-18
BE429448A (ja)

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