GB504376A - Improvements in the production of colour photographic pictures - Google Patents
Improvements in the production of colour photographic picturesInfo
- 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
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)
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 (de) |
BE (1) | BE429448A (de) |
FR (1) | FR841425A (de) |
GB (1) | GB504376A (de) |
Cited By (1)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2433632A (en) * | 1942-12-23 | 1947-12-30 | Rca Corp | Fibrous sheet material for the electrolytic formation of azo dye image records thereon |
US2440526A (en) * | 1942-12-23 | 1948-04-27 | Nellie W Solomon | Fibrous sheet material for the electrolytic formation of an azo dyestuff thereon |
US2421693A (en) * | 1944-09-16 | 1947-06-03 | Gen Aniline & Film Corp | Imidazolone color formers |
NL62542C (de) * | 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 |
-
0
- BE BE429448D patent/BE429448A/xx unknown
-
1937
- 1937-08-24 GB GB23190/37A patent/GB504376A/en not_active Expired
-
1938
- 1938-06-28 US US216293A patent/US2154918A/en not_active Expired - Lifetime
- 1938-07-29 FR FR841425D patent/FR841425A/fr not_active Expired
Cited By (1)
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 |
---|---|
BE429448A (de) | |
FR841425A (fr) | 1939-05-19 |
US2154918A (en) | 1939-04-18 |
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