BE792525A - Nouveaux coupleurs chromogenes et leur utilisation en photographie - Google Patents
Nouveaux coupleurs chromogenes et leur utilisation en photographieInfo
- Publication number
- BE792525A BE792525A BE792525DA BE792525A BE 792525 A BE792525 A BE 792525A BE 792525D A BE792525D A BE 792525DA BE 792525 A BE792525 A BE 792525A
- Authority
- BE
- Belgium
- Prior art keywords
- photography
- new chromogenic
- chromogenic couplers
- couplers
- new
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
-
- 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
- G03C7/38—Couplers containing compounds with active methylene groups in rings
- G03C7/381—Heterocyclic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- 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 |
---|---|---|---|
GB5761171A GB1398979A (en) | 1971-12-10 | 1971-12-10 | Pyrazolotriazole compounds |
Publications (1)
Publication Number | Publication Date |
---|---|
BE792525A true BE792525A (fr) | 1973-06-08 |
Family
ID=10479593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE792525D BE792525A (fr) | 1971-12-10 | Nouveaux coupleurs chromogenes et leur utilisation en photographie |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE792525A (fr) |
FR (1) | FR2162518B1 (fr) |
GB (1) | GB1398979A (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8508756D0 (en) * | 1985-04-03 | 1985-05-09 | Kodak Ltd | Synthesis of photographic couplers |
US4959480A (en) * | 1987-03-09 | 1990-09-25 | Eastman Kodak Company | Photographic silver halide materials and process comprising a pyrazoloazole coupler |
US5645981A (en) * | 1987-03-09 | 1997-07-08 | Eastman Kodak Company | Photographic silver halide materials and process comprising a pyrazolotriazole coupler |
US5183728A (en) * | 1987-03-09 | 1993-02-02 | Eastman Kodak Company | Photographic silver halide materials and process comprising new pyrazoloazole couplers |
EP0429098A1 (fr) | 1987-03-09 | 1991-05-29 | Eastman Kodak Company | Matériaux photographiques à l'halogénure d'argent et procédé comprenant un coupleur pyrazoloazole |
US4942118A (en) * | 1987-03-09 | 1990-07-17 | Eastman Kodak Company | Photographic silver halide materials and process comprising a pyrazoloazole coupler |
US4992361A (en) * | 1987-03-09 | 1991-02-12 | Eastman Kodak Company | Photographic silver halide materials and process comprising a pyrazolotriazole coupler |
US4942117A (en) * | 1988-03-21 | 1990-07-17 | Eastman Kodak Company | Photographic silver halide materials and process comprising a pyrazoloazole coupler |
US4948722A (en) * | 1988-10-31 | 1990-08-14 | Eastman Kodak Company | Photographic material and process comprising a pyrazoloazole dye-forming coupler |
US4892805A (en) * | 1988-10-31 | 1990-01-09 | Eastman Kodak Company | Photographic element and process |
US5021325A (en) * | 1989-12-19 | 1991-06-04 | Eastman Kodak Company | Photographic material and process comprising a pyrazolotriazole coupler |
-
0
- BE BE792525D patent/BE792525A/fr not_active IP Right Cessation
-
1971
- 1971-12-10 GB GB5761171A patent/GB1398979A/en not_active Expired
-
1972
- 1972-12-07 FR FR7243489A patent/FR2162518B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2162518B1 (fr) | 1980-04-18 |
FR2162518A1 (fr) | 1973-07-20 |
GB1398979A (en) | 1975-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: EASTMAN KODAK CY Effective date: 19891231 |