BE436707A - - Google Patents
Info
- Publication number
- BE436707A BE436707A BE436707DA BE436707A BE 436707 A BE436707 A BE 436707A BE 436707D A BE436707D A BE 436707DA BE 436707 A BE436707 A BE 436707A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3032838A GB521550A (en) | 1938-10-20 | 1938-10-20 | Improvements in and relating to colour forming developers and processes of colour development |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE436707A true BE436707A (en) |
Family
ID=10305897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE436707D BE436707A (en) | 1938-10-20 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE436707A (en) |
| GB (1) | GB521550A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4396701A (en) | 1981-09-11 | 1983-08-02 | Drexler Technology Corporation | Highly absorptive dye-containing underlayer for laser recording and data storage media |
-
0
- BE BE436707D patent/BE436707A/xx unknown
-
1938
- 1938-10-20 GB GB3032838A patent/GB521550A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB521550A (en) | 1940-05-24 |