BE449092A - - Google Patents
Info
- Publication number
- BE449092A BE449092A BE449092DA BE449092A BE 449092 A BE449092 A BE 449092A BE 449092D A BE449092D A BE 449092DA BE 449092 A BE449092 A BE 449092A
- Authority
- BE
- Belgium
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
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI0071566 | 1942-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449092A true BE449092A (en) | 1943-03-31 |
Family
ID=7197183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449092D BE449092A (en) | 1942-02-16 | 1943-02-08 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE449092A (en) |
| CH (1) | CH234133A (en) |
| FR (1) | FR890864A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5930264B2 (en) * | 1979-08-13 | 1984-07-26 | 富士写真フイルム株式会社 | Silver halide photographic material |
-
1943
- 1943-02-06 CH CH234133D patent/CH234133A/en unknown
- 1943-02-08 BE BE449092D patent/BE449092A/xx unknown
- 1943-02-11 FR FR890864D patent/FR890864A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR890864A (en) | 1944-02-21 |
| CH234133A (en) | 1944-09-15 |