BE425838A - - Google Patents
Info
- Publication number
- BE425838A BE425838A BE425838DA BE425838A BE 425838 A BE425838 A BE 425838A BE 425838D A BE425838D A BE 425838DA BE 425838 A BE425838 A BE 425838A
- 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
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 |
|---|---|---|---|
| DEI0056935 | 1937-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE425838A true BE425838A (xx) |
Family
ID=7194471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE425838D BE425838A (xx) | 1937-01-21 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2268630A (xx) |
| BE (1) | BE425838A (xx) |
| FR (1) | FR832245A (xx) |
| GB (1) | GB511770A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR961137A (xx) * | 1947-02-17 | 1950-05-05 | ||
| FR965348A (xx) * | 1947-05-07 | 1950-09-08 | ||
| US2623822A (en) * | 1949-12-06 | 1952-12-30 | Gen Aniline & Film Corp | Method of obtaining multicolored photographic images of increased color density |
| US2704710A (en) * | 1950-04-18 | 1955-03-22 | Gen Aniline & Film Corp | Precipitation of azo dyes in silver halide emulsions by means of guanidine and biguanide compounds containing long alkyl chains |
| BE549815A (xx) * | 1952-04-15 |
-
0
- BE BE425838D patent/BE425838A/xx unknown
-
1938
- 1938-01-06 US US183588A patent/US2268630A/en not_active Expired - Lifetime
- 1938-01-18 FR FR832245D patent/FR832245A/fr not_active Expired
- 1938-01-19 GB GB1792/38A patent/GB511770A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR832245A (fr) | 1938-09-23 |
| GB511770A (en) | 1939-08-24 |
| US2268630A (en) | 1942-01-06 |