BE482021A - - Google Patents
Info
- Publication number
- BE482021A BE482021A BE482021DA BE482021A BE 482021 A BE482021 A BE 482021A BE 482021D A BE482021D A BE 482021DA BE 482021 A BE482021 A BE 482021A
- 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
- G03C7/344—Naphtholic couplers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US745113A US2530349A (en) | 1947-04-30 | 1947-04-30 | Cyan color formers capable of yielding fine grain images |
Publications (1)
Publication Number | Publication Date |
---|---|
BE482021A true BE482021A (un) |
Family
ID=24995302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE482021D BE482021A (un) | 1947-04-30 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2530349A (un) |
BE (1) | BE482021A (un) |
DE (1) | DE857737C (un) |
FR (1) | FR1007290A (un) |
GB (1) | GB636996A (un) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3099559A (en) * | 1959-08-31 | 1963-07-30 | Gen Aniline & Film Corp | Silver-free color reproduction process and composition therefor |
DE1447733B2 (de) * | 1963-12-23 | 1977-04-21 | Hoechst Ag, 6000 Frankfurt | 2-(3,5-dihydroxyphenyl)-benzimidazolderivate |
GB1165138A (en) * | 1966-05-04 | 1969-09-24 | Fisons Pest Control Ltd | Synthesis of Fluorinated Benzimidazoles and Imidazopyridines |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB458664A (en) * | 1935-03-21 | 1936-12-21 | Eastman Kodak Co | Improvements in and relating to colour forming developers and processes of colour development |
BE416898A (un) * | 1935-08-07 | |||
BE442478A (un) * | 1940-07-12 | |||
FR881899A (fr) * | 1940-10-19 | 1943-05-11 | Ig Farbenindustrie Ag | Procédé de production d'images photographiques en couleurs |
US2353754A (en) * | 1942-11-07 | 1944-07-18 | Eastman Kodak Co | Color photography using metallic salt coupler compounds |
US2410620A (en) * | 1944-04-20 | 1946-11-05 | Eastman Kodak Co | Sulfonamidobenzimidazoles |
-
0
- BE BE482021D patent/BE482021A/xx unknown
-
1947
- 1947-04-30 US US745113A patent/US2530349A/en not_active Expired - Lifetime
-
1948
- 1948-02-02 GB GB3046/48A patent/GB636996A/en not_active Expired
- 1948-04-15 FR FR1007290D patent/FR1007290A/fr not_active Expired
- 1948-12-31 DE DEP28324A patent/DE857737C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1007290A (fr) | 1952-05-05 |
GB636996A (en) | 1950-05-10 |
US2530349A (en) | 1950-11-14 |
DE857737C (de) | 1952-12-01 |