BE457981A - - Google Patents
Info
- Publication number
- BE457981A BE457981A BE457981DA BE457981A BE 457981 A BE457981 A BE 457981A BE 457981D A BE457981D A BE 457981DA BE 457981 A BE457981 A BE 457981A
- 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
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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
- G03C7/32—Colour coupling substances
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG0108207 | 1943-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE457981A true BE457981A (it) | 1945-01-31 |
Family
ID=7141957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE457981D BE457981A (it) | 1943-09-22 | 1944-12-23 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2540401A (it) |
| BE (1) | BE457981A (it) |
| FR (1) | FR912572A (it) |
| GB (1) | GB619507A (it) |
| NL (1) | NL62532C (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE524891A (it) * | 1952-12-09 | |||
| BE531589A (it) * | 1953-09-02 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE424983A (it) * | 1936-12-03 | |||
| GB532726A (en) * | 1939-07-22 | 1941-01-30 | John David Kendall | Improvements in or relating to colour photography |
-
1944
- 1944-12-23 BE BE457981D patent/BE457981A/xx unknown
-
1945
- 1945-07-17 FR FR912572D patent/FR912572A/fr not_active Expired
- 1945-12-11 GB GB33444/45A patent/GB619507A/en not_active Expired
-
1946
- 1946-03-06 NL NL123906A patent/NL62532C/xx active
-
1947
- 1947-03-14 US US734852A patent/US2540401A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2540401A (en) | 1951-02-06 |
| NL62532C (it) | 1949-02-15 |
| GB619507A (en) | 1949-03-10 |
| FR912572A (fr) | 1946-08-13 |