BE440740A - - Google Patents
Info
- Publication number
- BE440740A BE440740A BE440740DA BE440740A BE 440740 A BE440740 A BE 440740A BE 440740D A BE440740D A BE 440740DA BE 440740 A BE440740 A BE 440740A
- 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
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 |
|---|---|---|---|
| GB471840A GB590637A (en) | 1940-03-13 | Improvements in and relating to photographic colour development |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440740A true BE440740A (de) |
Family
ID=9782481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440740D BE440740A (de) | 1940-03-13 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2375344A (de) |
| BE (1) | BE440740A (de) |
| FR (1) | FR870771A (de) |
| NL (1) | NL58022C (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE444782A (de) * | 1941-03-17 | 1942-04-30 | ||
| BE467711A (de) * | 1945-02-24 | |||
| NL246283A (de) * | 1958-12-11 | |||
| DE1211486B (de) * | 1964-02-22 | 1966-02-24 | Agfa Ag | Verfahren und Material zur Herstellung von Schwarzweiss-Masken fuer die Reproduktion von Farbenbildern |
| GB1269788A (en) * | 1968-10-24 | 1972-04-06 | Konishiroku Photo Ind | N-substituted-1-hydroxy-2-naphthamides and their use as cyan couplers |
-
0
- BE BE440740D patent/BE440740A/xx unknown
- NL NL58022D patent/NL58022C/xx active
-
1941
- 1941-03-12 FR FR870771D patent/FR870771A/fr not_active Expired
- 1941-05-20 US US394290A patent/US2375344A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR870771A (fr) | 1942-03-24 |
| US2375344A (en) | 1945-05-08 |
| NL58022C (de) |