BE467711A - - Google Patents
Info
- Publication number
- BE467711A BE467711A BE467711DA BE467711A BE 467711 A BE467711 A BE 467711A BE 467711D A BE467711D A BE 467711DA BE 467711 A BE467711 A BE 467711A
- 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
- G03C7/26—Silver halide emulsions for subtractive colour processes
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- 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
- G03C7/407—Development processes or agents therefor
- G03C7/413—Developers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Indole Compounds (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US579681A US2495000A (en) | 1945-02-24 | 1945-02-24 | Production of azo dyestuff images from n-acyl-n-aryl hydrazine developers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE467711A true BE467711A (it) |
Family
ID=24317898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE467711D BE467711A (it) | 1945-02-24 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2495000A (it) |
| BE (1) | BE467711A (it) |
| ES (1) | ES173412A1 (it) |
| FR (1) | FR925609A (it) |
| GB (1) | GB608520A (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE503489A (it) * | 1950-05-26 | |||
| DE2719371A1 (de) * | 1977-04-30 | 1978-11-02 | Agfa Gevaert Ag | Photographisches umkehrverfahren |
| JPS589412B2 (ja) * | 1977-08-30 | 1983-02-21 | 富士写真フイルム株式会社 | ハロゲン化銀写真感光材料の現像方法 |
| US4772747A (en) * | 1983-10-28 | 1988-09-20 | Eastman Kodak Company | Preparation of 2,4,6-trichlorophenylhydrazine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL33180C (it) * | 1931-01-16 | |||
| US2266442A (en) * | 1937-04-10 | 1941-12-16 | Eastman Kodak Co | Color print by multiple color development |
| GB502960A (en) * | 1937-07-26 | 1939-03-27 | Kodak Ltd | Process for producing dye images in the development of silver images |
| GB533568A (en) * | 1939-06-16 | 1941-02-17 | Karl Schinzel | Improvements in and relating to colour photography |
| IT384872A (it) * | 1939-07-14 | |||
| US2339213A (en) * | 1939-10-16 | 1944-01-11 | Du Pont | Color development process using aromatic hydrazines |
| BE440740A (it) * | 1940-03-13 | |||
| US2315966A (en) * | 1940-04-15 | 1943-04-06 | Eastman Kodak Co | Photographic emulsion |
-
0
- BE BE467711D patent/BE467711A/xx unknown
-
1945
- 1945-02-24 US US579681A patent/US2495000A/en not_active Expired - Lifetime
-
1946
- 1946-02-25 GB GB5871/46A patent/GB608520A/en not_active Expired
- 1946-04-15 FR FR925609D patent/FR925609A/fr not_active Expired
- 1946-05-03 ES ES173412A patent/ES173412A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2495000A (en) | 1950-01-17 |
| GB608520A (en) | 1948-09-16 |
| ES173412A1 (es) | 1946-11-16 |
| FR925609A (fr) | 1947-09-09 |