BE442586A - - Google Patents
Info
- Publication number
- BE442586A BE442586A BE442586DA BE442586A BE 442586 A BE442586 A BE 442586A BE 442586D A BE442586D A BE 442586DA BE 442586 A BE442586 A BE 442586A
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEI0067540 | 1940-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE442586A true BE442586A (de) |
Family
ID=7196741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE442586D BE442586A (de) | 1940-07-31 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2313138A (de) |
BE (1) | BE442586A (de) |
CH (1) | CH225575A (de) |
FR (1) | FR887721A (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2487446A (en) * | 1945-12-08 | 1949-11-08 | Gen Aniline & Film Corp | Process for preventing stains on photographic color material during drying following exposure, bleaching, and fixing treatment |
US2486440A (en) * | 1946-01-10 | 1949-11-01 | Gen Aniline & Film Corp | Production of phenazonium dyestuff images |
DE3773950D1 (de) * | 1986-01-23 | 1991-11-28 | Hoffmann La Roche | Benzazecin-derivate. |
US4990436A (en) * | 1990-01-23 | 1991-02-05 | Eastman Kodak Company | Cyan dye-forming couplers and photographic recording materials containing same |
US5670302A (en) * | 1996-06-16 | 1997-09-23 | Eastman Kodak Company | Photographic elements containing new magenta dye-forming couplers |
-
0
- BE BE442586D patent/BE442586A/xx unknown
-
1941
- 1941-07-24 CH CH225575D patent/CH225575A/de unknown
- 1941-07-30 FR FR887721D patent/FR887721A/fr not_active Expired
- 1941-11-18 US US419569A patent/US2313138A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2313138A (en) | 1943-03-09 |
FR887721A (fr) | 1943-11-22 |
CH225575A (de) | 1943-02-15 |