BE425206A - - Google Patents
Info
- Publication number
- BE425206A BE425206A BE425206DA BE425206A BE 425206 A BE425206 A BE 425206A BE 425206D A BE425206D A BE 425206DA BE 425206 A BE425206 A BE 425206A
- 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)
- Coloring (AREA)
- Developing Agents For Electrophotography (AREA)
- Dental Preparations (AREA)
- Materials For Photolithography (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB34258/36A GB490451A (en) | 1936-12-14 | 1936-12-14 | Improvements in the production of coloured photographic pictures |
| GB3425837 | 1937-11-23 | ||
| US41234141A | 1941-09-26 | 1941-09-26 | |
| US427520A US2341034A (en) | 1936-12-14 | 1942-01-20 | Production of colored photographic pictures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE425206A true BE425206A (xx) |
Family
ID=32096987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE425206D BE425206A (xx) | 1936-12-14 |
Country Status (4)
| Country | Link |
|---|---|
| US (3) | US2270118A (xx) |
| BE (1) | BE425206A (xx) |
| FR (1) | FR830786A (xx) |
| GB (1) | GB490451A (xx) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2418624A (en) * | 1943-03-02 | 1947-04-08 | Eastman Kodak Co | Azo dyes for color photography |
| BE475914A (xx) * | 1946-12-14 | |||
| BE486550A (xx) * | 1947-12-30 | |||
| BE488117A (xx) * | 1948-03-27 | |||
| DE915082C (de) * | 1949-03-05 | 1954-07-15 | Schweizerhall Saeurefab | Verfahren zur Gewinnung der bei Zersetzung von Metallhalogeniden mit sauerstoffhaltigen Gasen entstehenden metalloxyde aus den Reaktionsgasen |
| US2699394A (en) * | 1950-12-15 | 1955-01-11 | Gaspar Bela | Production of photographic dye images |
| BE579274A (xx) * | 1958-06-03 | |||
| GB1051970A (xx) * | 1964-03-20 | |||
| CH433980A (de) * | 1964-07-07 | 1967-04-15 | Ciba Geigy | Verwendung von Acylaminoverbindungen als Farbbleichkatalysatoren für das Silberfarbbleichverfahren |
| US3396023A (en) * | 1965-08-24 | 1968-08-06 | Eastman Kodak Co | Piazine antifoggants for silver halide emulsions |
| CH508226A (de) * | 1969-03-13 | 1971-05-31 | Ciba Geigy Ag | Verwendung von Chinoxalinen als Farbbleichkatalysatoren |
| CH579292A5 (xx) * | 1973-05-18 | 1976-08-31 | Ciba Geigy Ag | |
| JPS53135626A (en) * | 1977-05-02 | 1978-11-27 | Fuji Photo Film Co Ltd | Color image forming method |
| NL7810745A (nl) * | 1977-10-28 | 1979-05-02 | Ciba Geigy | Werkwijze voor de vervaardiging van fotografische beelden. |
| CH644459A5 (de) * | 1978-09-29 | 1984-07-31 | Ciba Geigy Ag | Verfahren zur herstellung farbphotographischer bilder nach dem silberfarbbleichverfahren. |
-
0
- US US22308D patent/USRE22308E/en not_active Expired
- BE BE425206D patent/BE425206A/xx unknown
-
1936
- 1936-12-14 GB GB34258/36A patent/GB490451A/en not_active Expired
-
1937
- 1937-12-13 US US179591A patent/US2270118A/en not_active Expired - Lifetime
- 1937-12-14 FR FR830786D patent/FR830786A/fr not_active Expired
-
1942
- 1942-01-20 US US427520A patent/US2341034A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR830786A (fr) | 1938-08-09 |
| US2341034A (en) | 1944-02-08 |
| US2270118A (en) | 1942-01-13 |
| GB490451A (en) | 1938-08-15 |
| USRE22308E (en) | 1943-05-11 |