BE431548A - - Google Patents
Info
- Publication number
- BE431548A BE431548A BE431548DA BE431548A BE 431548 A BE431548 A BE 431548A BE 431548D A BE431548D A BE 431548DA BE 431548 A BE431548 A BE 431548A
- 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
- G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Optical Filters (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB34080/37A GB507151A (en) | 1937-12-09 | 1937-12-09 | Coloured photographic multilayer material |
| GB34079/37A GB507485A (en) | 1937-12-09 | 1937-12-09 | Photographic light-sensitive material for colour photography |
| GB1656538 | 1938-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE431548A true BE431548A (xx) | 1939-01-31 |
Family
ID=27257396
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE431546D BE431546A (xx) | 1937-12-09 | 1938-12-09 | |
| BE431548D BE431548A (xx) | 1937-12-09 | 1938-12-09 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE431546D BE431546A (xx) | 1937-12-09 | 1938-12-09 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2219306A (xx) |
| BE (2) | BE431546A (xx) |
| DE (1) | DE703260C (xx) |
| FR (1) | FR847291A (xx) |
| GB (3) | GB507151A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2486680A (en) * | 1949-11-01 | Chime | ||
| US3929487A (en) * | 1966-10-03 | 1975-12-30 | Harbans Singh | Spectral balancing means for color photography |
| CA1039556A (en) * | 1973-11-16 | 1978-10-03 | Dan Neuberger | Hybrid color photographic elements and processes for developing same |
-
1937
- 1937-12-09 GB GB34080/37A patent/GB507151A/en not_active Expired
- 1937-12-09 GB GB34079/37A patent/GB507485A/en not_active Expired
-
1938
- 1938-12-03 US US243890A patent/US2219306A/en not_active Expired - Lifetime
- 1938-12-05 GB GB16565/39A patent/GB522190A/en not_active Expired
- 1938-12-06 DE DE1938703260D patent/DE703260C/de not_active Expired
- 1938-12-09 FR FR847291D patent/FR847291A/fr not_active Expired
- 1938-12-09 BE BE431546D patent/BE431546A/xx unknown
- 1938-12-09 BE BE431548D patent/BE431548A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB522190A (en) | 1940-06-11 |
| DE703260C (de) | 1941-03-05 |
| BE431546A (xx) | 1939-01-31 |
| GB507151A (en) | 1939-06-09 |
| GB507485A (en) | 1939-06-09 |
| FR847291A (fr) | 1939-10-05 |
| US2219306A (en) | 1940-10-29 |