BE716408A - - Google Patents
Info
- Publication number
- BE716408A BE716408A BE716408DA BE716408A BE 716408 A BE716408 A BE 716408A BE 716408D A BE716408D A BE 716408DA BE 716408 A BE716408 A BE 716408A
- 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)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2703767A GB1174135A (en) | 1967-06-12 | 1967-06-12 | Pyrazolone Colour Couplers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE716408A true BE716408A (ref) | 1968-11-04 |
Family
ID=10253143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE716408D BE716408A (ref) | 1967-06-12 | 1968-06-11 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE716408A (ref) |
| DE (1) | DE1770632A1 (ref) |
| FR (1) | FR1570845A (ref) |
| GB (1) | GB1174135A (ref) |
-
1967
- 1967-06-12 GB GB2703767A patent/GB1174135A/en not_active Expired
-
1968
- 1968-06-11 BE BE716408D patent/BE716408A/xx unknown
- 1968-06-12 DE DE19681770632 patent/DE1770632A1/de active Pending
- 1968-06-12 FR FR1570845D patent/FR1570845A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1570845A (ref) | 1969-06-13 |
| DE1770632A1 (de) | 1972-02-10 |
| GB1174135A (en) | 1969-12-10 |