FR1570844A - - Google Patents
Info
- Publication number
- FR1570844A FR1570844A FR1570844DA FR1570844A FR 1570844 A FR1570844 A FR 1570844A FR 1570844D A FR1570844D A FR 1570844DA FR 1570844 A FR1570844 A FR 1570844A
- Authority
- FR
- France
- 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
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2703667A GB1170859A (en) | 1967-06-12 | 1967-06-12 | Pyrazolone Colour Couplers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1570844A true FR1570844A (forum.php) | 1969-06-13 |
Family
ID=10253126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1570844D Expired FR1570844A (forum.php) | 1967-06-12 | 1968-06-12 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE716407A (forum.php) |
| DE (1) | DE1770617C3 (forum.php) |
| FR (1) | FR1570844A (forum.php) |
| GB (1) | GB1170859A (forum.php) |
-
1967
- 1967-06-12 GB GB2703667A patent/GB1170859A/en not_active Expired
-
1968
- 1968-06-11 BE BE716407D patent/BE716407A/xx unknown
- 1968-06-11 DE DE19681770617 patent/DE1770617C3/de not_active Expired
- 1968-06-12 FR FR1570844D patent/FR1570844A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1770617B2 (de) | 1974-01-03 |
| BE716407A (forum.php) | 1968-11-04 |
| GB1170859A (en) | 1969-11-19 |
| DE1770617C3 (de) | 1974-07-25 |
| DE1770617A1 (de) | 1972-02-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |