BE445959A - - Google Patents
Info
- Publication number
- BE445959A BE445959A BE445959DA BE445959A BE 445959 A BE445959 A BE 445959A BE 445959D A BE445959D A BE 445959DA BE 445959 A BE445959 A BE 445959A
- 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 |
|---|---|---|---|
| DEI0069954 | 1941-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE445959A true BE445959A (nl) |
Family
ID=7197062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE445959D BE445959A (nl) | 1941-06-30 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE445959A (nl) |
| CH (2) | CH234134A (nl) |
| FR (1) | FR883139A (nl) |
| NL (1) | NL60562C (nl) |
-
0
- NL NL60562D patent/NL60562C/xx active
- BE BE445959D patent/BE445959A/xx unknown
-
1942
- 1942-06-15 CH CH234134D patent/CH234134A/de unknown
- 1942-06-15 CH CH230510D patent/CH230510A/de unknown
- 1942-06-16 FR FR883139D patent/FR883139A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH230510A (de) | 1944-01-15 |
| NL60562C (nl) | |
| FR883139A (fr) | 1943-06-24 |
| CH234134A (de) | 1944-09-15 |