BE484142A - - Google Patents
Info
- Publication number
- BE484142A BE484142A BE484142DA BE484142A BE 484142 A BE484142 A BE 484142A BE 484142D A BE484142D A BE 484142DA BE 484142 A BE484142 A BE 484142A
- 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
- G03C7/407—Development processes or agents therefor
- G03C7/413—Developers
- G03C7/4136—Developers p-Phenylenediamine or derivatives thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB970246X | 1947-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE484142A true BE484142A (en) |
Family
ID=10807212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE484142D BE484142A (en) | 1947-09-30 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE484142A (en) |
DE (1) | DE824207C (en) |
FR (1) | FR970246A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE930232C (en) * | 1951-06-04 | 1955-07-11 | Saint Gobain | Process for the production of copolymers from vinyl chloride and vinylidene chloride |
-
0
- BE BE484142D patent/BE484142A/xx unknown
-
1948
- 1948-08-06 FR FR970246D patent/FR970246A/en not_active Expired
-
1949
- 1949-01-01 DE DEP29177A patent/DE824207C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE824207C (en) | 1951-12-10 |
FR970246A (en) | 1951-01-02 |