BE443120A - - Google Patents
Info
- Publication number
- BE443120A BE443120A BE443120DA BE443120A BE 443120 A BE443120 A BE 443120A BE 443120D A BE443120D A BE 443120DA BE 443120 A BE443120 A BE 443120A
- 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
- G03C7/36—Couplers containing compounds with active methylene groups
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 |
|---|---|---|---|
| DEI0068056 | 1940-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE443120A true BE443120A (de) |
Family
ID=7196823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE443120D BE443120A (de) | 1940-10-18 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2376679A (de) |
| BE (1) | BE443120A (de) |
| CH (1) | CH225177A (de) |
| FR (1) | FR876033A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2537138A (en) * | 1945-10-08 | 1951-01-09 | Du Pont | Phenolic color formers |
| BE570272A (de) * | 1956-03-07 | |||
| CH628161A5 (de) * | 1976-12-24 | 1982-02-15 | Ciba Geigy Ag | Farbphotographisches material. |
| CA1143375A (en) * | 1978-06-20 | 1983-03-22 | Mario Fryberg | Recording material for colour photography |
| US6010839A (en) * | 1998-06-26 | 2000-01-04 | Eastman Kodak Company | Color photographic elements containing yellow-colored magenta dye-forming masking couplers |
| US6132943A (en) * | 1999-10-14 | 2000-10-17 | Eastman Kodak Company | Color photographic elements containing yellow-colored magenta dye-forming masking couplers |
-
0
- BE BE443120D patent/BE443120A/xx unknown
-
1941
- 1941-10-11 CH CH225177D patent/CH225177A/de unknown
- 1941-10-17 FR FR876033D patent/FR876033A/fr not_active Expired
-
1942
- 1942-02-17 US US431271A patent/US2376679A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR876033A (fr) | 1942-10-12 |
| CH225177A (de) | 1943-01-15 |
| US2376679A (en) | 1945-05-22 |