BE434413A - - Google Patents
Info
- Publication number
- BE434413A BE434413A BE434413DA BE434413A BE 434413 A BE434413 A BE 434413A BE 434413D A BE434413D A BE 434413DA BE 434413 A BE434413 A BE 434413A
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB14671/38A GB514955A (en) | 1938-05-17 | 1938-05-17 | Method of producing photographic dyestuff pictures |
| GB17634/38A GB516059A (en) | 1938-05-17 | 1938-06-14 | Light-sensitive material for colour photography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE434413A true BE434413A (de) |
Family
ID=26250712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE434413D BE434413A (de) | 1938-05-17 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US2221793A (de) |
| BE (1) | BE434413A (de) |
| FR (1) | FR854881A (de) |
| GB (2) | GB514955A (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE453237A (de) * | 1939-11-02 | |||
| BE486550A (de) * | 1947-12-30 | |||
| CA474965A (en) * | 1948-03-27 | 1951-07-03 | W. H. Mueller Fritz | Lumazines and alloxazines as catalysts in dye bleach baths for color photography |
| US2699394A (en) * | 1950-12-15 | 1955-01-11 | Gaspar Bela | Production of photographic dye images |
| NL264609A (de) * | 1960-05-12 | |||
| BE626198A (de) * | 1961-12-20 | |||
| GB1047492A (de) * | 1963-01-10 | |||
| US3340060A (en) * | 1963-09-24 | 1967-09-05 | Ciba Ltd | Process for the production of color images by the silver dyestuff bleaching method |
| US3436219A (en) * | 1965-02-26 | 1969-04-01 | Mitsubishi Paper Mills Ltd | Color photographic material |
| CH621545A5 (de) * | 1976-05-24 | 1981-02-13 | Ciba Geigy Ag | |
| US4202698A (en) * | 1976-05-24 | 1980-05-13 | Ciba-Geigy Ag | Quinoxalines and their use in photographic processes |
| CH624676A5 (de) * | 1976-05-24 | 1981-08-14 | Ciba Geigy Ag | |
| US4235957A (en) * | 1979-01-25 | 1980-11-25 | Eastman Kodak Company | Thermal silver-dye bleach element and process |
-
0
- BE BE434413D patent/BE434413A/xx unknown
-
1938
- 1938-05-17 GB GB14671/38A patent/GB514955A/en not_active Expired
- 1938-06-14 GB GB17634/38A patent/GB516059A/en not_active Expired
-
1939
- 1939-05-16 US US274035A patent/US2221793A/en not_active Expired - Lifetime
- 1939-05-17 FR FR854881D patent/FR854881A/fr not_active Expired
- 1939-05-27 US US276238A patent/US2310227A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB516059A (en) | 1939-12-21 |
| FR854881A (fr) | 1940-04-26 |
| US2221793A (en) | 1940-11-19 |
| US2310227A (en) | 1943-02-09 |
| GB514955A (en) | 1939-11-22 |