BE491617A - - Google Patents
Info
- Publication number
- BE491617A BE491617A BE491617DA BE491617A BE 491617 A BE491617 A BE 491617A BE 491617D A BE491617D A BE 491617DA BE 491617 A BE491617 A BE 491617A
- 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
- G03C7/3212—Couplers characterised by a group not in coupling site, e.g. ballast group, as far as the coupling rest is not specific
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2678448A GB663550A (en) | 1948-10-14 | 1948-10-14 | Improvements in or relating to the production of colour photographic images |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE491617A true BE491617A (it) |
Family
ID=10249135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE491617D BE491617A (it) | 1948-10-14 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE491617A (it) |
| FR (1) | FR997031A (it) |
| GB (1) | GB663550A (it) |
-
0
- BE BE491617D patent/BE491617A/xx unknown
-
1948
- 1948-10-14 GB GB2678448A patent/GB663550A/en not_active Expired
-
1949
- 1949-10-07 FR FR997031D patent/FR997031A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR997031A (fr) | 1951-12-31 |
| GB663550A (en) | 1951-12-27 |