BE479305A - - Google Patents
Info
- Publication number
- BE479305A BE479305A BE479305DA BE479305A BE 479305 A BE479305 A BE 479305A BE 479305D A BE479305D A BE 479305DA BE 479305 A BE479305 A BE 479305A
- 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
-
- 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
- G03C7/407—Development processes or agents therefor
- G03C7/413—Developers
- G03C7/4136—Developers p-Phenylenediamine or derivatives thereof
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 |
|---|---|---|---|
| GB9547A GB626958A (en) | 1947-01-01 | 1947-01-01 | Improvements in or relating to photographic processes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE479305A true BE479305A (xx) |
Family
ID=9698300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479305D BE479305A (xx) | 1947-01-01 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE479305A (xx) |
| CH (1) | CH267709A (xx) |
| FR (1) | FR959090A (xx) |
| GB (1) | GB626958A (xx) |
-
0
- BE BE479305D patent/BE479305A/xx unknown
- FR FR959090D patent/FR959090A/fr not_active Expired
-
1947
- 1947-01-01 GB GB9547A patent/GB626958A/en not_active Expired
- 1947-12-31 CH CH267709D patent/CH267709A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB626958A (en) | 1949-07-25 |
| FR959090A (xx) | 1950-03-23 |
| CH267709A (de) | 1950-04-15 |