BE516241A - - Google Patents
Info
- Publication number
- BE516241A BE516241A BE516241DA BE516241A BE 516241 A BE516241 A BE 516241A BE 516241D A BE516241D A BE 516241DA BE 516241 A BE516241 A BE 516241A
- Authority
- BE
- Belgium
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing three or more hetero rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
- C07D231/52—Oxygen atom in position 3 and nitrogen atom in position 5, or vice versa
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- 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
- G03C7/384—Couplers containing compounds with active methylene groups in rings in pyrazolone rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US261909A US2706683A (en) | 1951-12-15 | 1951-12-15 | Bis-pyrazolone for color photography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE516241A true BE516241A (no) |
Family
ID=22995400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE516241D BE516241A (no) | 1951-12-15 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2706683A (no) |
| BE (1) | BE516241A (no) |
| FR (1) | FR1067680A (no) |
| GB (1) | GB721520A (no) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2879341A (en) * | 1954-05-06 | 1959-03-24 | Ford Motor Co | Tape recorder and player |
| BE544737A (no) * | 1955-01-28 | |||
| US2933391A (en) * | 1956-09-06 | 1960-04-19 | Eastman Kodak Co | Photographic emulsions containing 5-pyrazolone coupler compounds |
| GB852922A (en) * | 1957-09-04 | 1960-11-02 | Gen Aniline & Film Corp | Color formers containing a m-alkylphenoxyacyl group |
| US3148062A (en) * | 1959-04-06 | 1964-09-08 | Eastman Kodak Co | Photographic elements and processes using splittable couplers |
| BE619300A (no) * | 1959-04-06 | |||
| JPS55105248A (en) * | 1979-02-06 | 1980-08-12 | Konishiroku Photo Ind Co Ltd | Dye image forming method |
| JPS57111536A (en) | 1980-12-27 | 1982-07-12 | Konishiroku Photo Ind Co Ltd | Color photographic sensitive silver halide material |
| US5091291A (en) * | 1990-10-25 | 1992-02-25 | Eastman Kodak Company | Alkyl substituted photographic couplers and photographic elements and processes employing same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB513596A (en) * | 1938-04-08 | 1939-10-17 | John David Kendall | Improvements in and relating to the production of coloured photographic images by colour development |
| US2294909A (en) * | 1939-02-13 | 1942-09-08 | Du Pont | Chemical process and composition |
| US2411951A (en) * | 1944-09-28 | 1946-12-03 | Gen Aniline & Film Corp | 4,4'-bis (pyrazolone) couplers for color photography |
| US2435550A (en) * | 1945-11-08 | 1948-02-03 | Gen Aniline & Film Corp | 4, 4'-bis (pyrazolone-1-carboxamide and thiocarboxamide) couplers for color photography |
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0
- BE BE516241D patent/BE516241A/xx unknown
-
1951
- 1951-12-15 US US261909A patent/US2706683A/en not_active Expired - Lifetime
-
1952
- 1952-12-15 FR FR1067680D patent/FR1067680A/fr not_active Expired
- 1952-12-15 GB GB31796/52A patent/GB721520A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB721520A (en) | 1955-01-05 |
| US2706683A (en) | 1955-04-19 |
| FR1067680A (fr) | 1954-06-17 |