BE442141A - - Google Patents
Info
- Publication number
- BE442141A BE442141A BE442141DA BE442141A BE 442141 A BE442141 A BE 442141A BE 442141D A BE442141D A BE 442141DA BE 442141 A BE442141 A BE 442141A
- 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
- G03C7/34—Couplers containing phenols
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI0067423 | 1940-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442141A true BE442141A (fr) |
Family
ID=7196722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442141D BE442141A (fr) | 1940-07-16 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2324832A (fr) |
| BE (1) | BE442141A (fr) |
| CH (1) | CH222821A (fr) |
| FR (1) | FR875392A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2367531A (en) * | 1942-06-12 | 1945-01-16 | Eastman Kodak Co | Acylaminophenol photographic couplers |
| BE476362A (fr) * | 1947-03-13 | |||
| BE620755A (fr) * | 1961-07-28 | |||
| US3985565A (en) * | 1974-07-12 | 1976-10-12 | Eastman Kodak Company | Photothermographic, composition using a phenolic leuco dye as a reducing agent |
-
0
- BE BE442141D patent/BE442141A/xx unknown
-
1941
- 1941-07-11 CH CH222821D patent/CH222821A/de unknown
- 1941-07-15 US US402546A patent/US2324832A/en not_active Expired - Lifetime
- 1941-07-15 FR FR875392D patent/FR875392A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2324832A (en) | 1943-07-20 |
| CH222821A (de) | 1942-08-15 |
| FR875392A (fr) | 1942-09-18 |