BE492847A - - Google Patents
Info
- Publication number
- BE492847A BE492847A BE492847DA BE492847A BE 492847 A BE492847 A BE 492847A BE 492847D A BE492847D A BE 492847DA BE 492847 A BE492847 A BE 492847A
- 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
- G03C7/3244—Couplers forming azinic dyes; Specific developers therefor
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66825A US2522802A (en) | 1948-12-22 | 1948-12-22 | Production of yellow dye images by color development |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE492847A true BE492847A (un) |
Family
ID=22071952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE492847D BE492847A (un) | 1948-12-22 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2522802A (un) |
| BE (1) | BE492847A (un) |
| CH (1) | CH289721A (un) |
| DE (1) | DE827901C (un) |
| FR (1) | FR1003992A (un) |
| GB (1) | GB662419A (un) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3099559A (en) * | 1959-08-31 | 1963-07-30 | Gen Aniline & Film Corp | Silver-free color reproduction process and composition therefor |
| BE584330A (un) * | 1959-11-05 | |||
| US4066456A (en) * | 1974-12-10 | 1978-01-03 | Gaf Corporation | Incorporated carboxy substituted p-phenylenediamine color developer |
| US4066457A (en) * | 1974-12-10 | 1978-01-03 | Gaf Corporation | Color developer for diffusion transfer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE465025A (un) * | 1945-01-27 |
-
0
- BE BE492847D patent/BE492847A/xx unknown
-
1948
- 1948-12-22 US US66825A patent/US2522802A/en not_active Expired - Lifetime
-
1949
- 1949-12-12 GB GB31880/49A patent/GB662419A/en not_active Expired
- 1949-12-16 DE DEG607A patent/DE827901C/de not_active Expired
- 1949-12-20 FR FR1003992D patent/FR1003992A/fr not_active Expired
- 1949-12-22 CH CH289721D patent/CH289721A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB662419A (en) | 1951-12-05 |
| US2522802A (en) | 1950-09-19 |
| FR1003992A (fr) | 1952-03-24 |
| CH289721A (fr) | 1953-03-31 |
| DE827901C (de) | 1952-03-17 |