BE425269A - - Google Patents
Info
- Publication number
- BE425269A BE425269A BE425269DA BE425269A BE 425269 A BE425269 A BE 425269A BE 425269D A BE425269D A BE 425269DA BE 425269 A BE425269 A BE 425269A
- 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
- G03C7/3212—Couplers characterised by a group not in coupling site, e.g. ballast group, as far as the coupling rest is not specific
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 |
|---|---|---|---|
| DEI0056651 | 1936-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE425269A true BE425269A (en) |
Family
ID=7194405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE425269D BE425269A (en) | 1936-12-18 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2186852A (en) |
| BE (1) | BE425269A (en) |
| FR (1) | FR830926A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE759642C (en) * | 1941-07-01 | 1952-10-27 | Ig Farbenindustrie Ag | Process for the production of color photographic images |
| CH278309A (en) * | 1949-07-04 | 1951-10-15 | Bayer Ag | Process for the direct production of positive photographic images. |
-
0
- BE BE425269D patent/BE425269A/xx unknown
-
1937
- 1937-11-23 US US176058A patent/US2186852A/en not_active Expired - Lifetime
- 1937-12-17 FR FR830926D patent/FR830926A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2186852A (en) | 1940-01-09 |
| FR830926A (en) | 1938-08-12 |