BE500322A - - Google Patents
Info
- Publication number
- BE500322A BE500322A BE500322DA BE500322A BE 500322 A BE500322 A BE 500322A BE 500322D A BE500322D A BE 500322DA BE 500322 A BE500322 A BE 500322A
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Coloring (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3347549A GB674103A (en) | 1949-12-31 | 1949-12-31 | Improvements in or relating to the production of colour photographic images |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE500322A true BE500322A (en) |
Family
ID=10353452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE500322D BE500322A (en) | 1949-12-31 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE500322A (en) |
| DE (1) | DE838696C (en) |
| FR (1) | FR1031787A (en) |
| GB (1) | GB674103A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1040372B (en) * | 1956-07-19 | 1958-10-02 | Wolfen Filmfab Veb | Process for the production of colored photographic reflective or transparent images with the aid of chromogenic development |
-
0
- BE BE500322D patent/BE500322A/xx unknown
-
1949
- 1949-12-31 GB GB3347549A patent/GB674103A/en not_active Expired
-
1950
- 1950-12-28 DE DEG4904A patent/DE838696C/en not_active Expired
- 1950-12-29 FR FR1031787D patent/FR1031787A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1031787A (en) | 1953-06-26 |
| GB674103A (en) | 1952-06-18 |
| DE838696C (en) | 1952-05-12 |