BE379540A - - Google Patents
Info
- Publication number
- BE379540A BE379540A BE379540DA BE379540A BE 379540 A BE379540 A BE 379540A BE 379540D A BE379540D A BE 379540DA BE 379540 A BE379540 A BE 379540A
- 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
- G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
- G03C8/02—Photosensitive materials characterised by the image-forming section
- G03C8/08—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Color Printing (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1930SC017530 DE530337C (de) | 1930-06-05 | 1930-06-05 | Verfahren zur Herstellung direkter Positive unter Verwendung von zwei Schichten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE379540A true BE379540A (de) | 1931-06-30 |
Family
ID=6554467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE379540D BE379540A (de) | 1930-06-05 | 1931-05-04 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE379540A (de) |
| DE (1) | DE530337C (de) |
| FR (1) | FR716428A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE441852A (de) * | 1939-11-02 | |||
| NL128013B (de) * | 1946-10-07 | |||
| US2802735A (en) * | 1946-10-08 | 1957-08-13 | Polaroid Corp | Photographic transfer process utilizing the reducing action of a developer for producing a colored photographic transfer image |
| US2661293A (en) * | 1946-10-08 | 1953-12-01 | Polaroid Corp | Process of producing a colored photographic image by means of exhaustion of developer |
| FR960844A (de) * | 1947-02-19 | 1950-04-26 | ||
| US2607684A (en) * | 1949-09-24 | 1952-08-19 | Eastman Kodak Co | Direct-positive photographic process |
| US2725296A (en) * | 1951-09-14 | 1955-11-29 | Eastman Kodak Co | Two-layer integral negative positive photographic material |
| US2774668A (en) * | 1953-05-28 | 1956-12-18 | Polaroid Corp | Process and product for forming color images from complete dyes |
-
1930
- 1930-06-05 DE DE1930SC017530 patent/DE530337C/de not_active Expired
-
1931
- 1931-05-01 FR FR716428D patent/FR716428A/fr not_active Expired
- 1931-05-04 BE BE379540D patent/BE379540A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR716428A (fr) | 1931-12-21 |
| DE530337C (de) | 1931-07-27 |