BE422216A - - Google Patents
Info
- Publication number
- BE422216A BE422216A BE422216DA BE422216A BE 422216 A BE422216 A BE 422216A BE 422216D A BE422216D A BE 422216DA BE 422216 A BE422216 A BE 422216A
- 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
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 |
|---|---|---|---|
| DEI0055360 | 1936-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE422216A true BE422216A (xx) |
Family
ID=7194104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE422216D BE422216A (xx) | 1936-06-26 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2229137A (xx) |
| BE (1) | BE422216A (xx) |
| FR (1) | FR823600A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345023A (en) * | 1978-09-18 | 1982-08-17 | The Academy Of Applied Science, Inc. | Process for increasing the effective speed of photographic films and improved film structures |
-
0
- BE BE422216D patent/BE422216A/xx unknown
-
1937
- 1937-06-17 US US148731A patent/US2229137A/en not_active Expired - Lifetime
- 1937-06-25 FR FR823600D patent/FR823600A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR823600A (fr) | 1938-01-22 |
| US2229137A (en) | 1941-01-21 |