BE426477A - - Google Patents
Info
- Publication number
- BE426477A BE426477A BE426477DA BE426477A BE 426477 A BE426477 A BE 426477A BE 426477D A BE426477D A BE 426477DA BE 426477 A BE426477 A BE 426477A
- 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
- G03C7/388—Processes for the incorporation in the emulsion of substances liberating photographically active agents or colour-coupling substances; Solvents therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG0094860 | 1937-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426477A true BE426477A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=7140193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426477D BE426477A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1937-02-20 |
Country Status (3)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2430845A (en) * | 1942-12-09 | 1947-11-11 | Du Pont | Cyanine dyes containing a sulfamate anion |
| US2425503A (en) * | 1944-05-20 | 1947-08-12 | Gen Aniline & Film Corp | Nondiffusing couplers for color photography |
| FR994826A (fr) * | 1945-02-02 | 1951-11-22 | Francolor Sa | Procédé de préparation de colorants azoïques insolubles dans l'eau et produits en résultant |
| US2704710A (en) * | 1950-04-18 | 1955-03-22 | Gen Aniline & Film Corp | Precipitation of azo dyes in silver halide emulsions by means of guanidine and biguanide compounds containing long alkyl chains |
| US2699394A (en) * | 1950-12-15 | 1955-01-11 | Gaspar Bela | Production of photographic dye images |
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0
- BE BE426477D patent/BE426477A/xx unknown
-
1938
- 1938-02-09 GB GB4010/38A patent/GB510884A/en not_active Expired
- 1938-02-16 US US190878A patent/US2172308A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB510884A (en) | 1939-08-09 |
| US2172308A (en) | 1939-09-05 |