BE430690A - - Google Patents
Info
- Publication number
- BE430690A BE430690A BE430690DA BE430690A BE 430690 A BE430690 A BE 430690A BE 430690D A BE430690D A BE 430690DA BE 430690 A BE430690 A BE 430690A
- 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
- G03C7/26—Silver halide emulsions for subtractive colour processes
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- 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
- G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB28280/37A GB503873A (en) | 1937-10-18 | 1937-10-18 | A process for producing photographic dyestuff images |
| GB28280/38A GB519704A (en) | 1937-09-30 | 1938-09-29 | Improvements in or relating to mechanism for applying pressure to boot or shoe heels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE430690A true BE430690A (it) |
Family
ID=26259296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE430690D BE430690A (it) | 1937-10-18 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2178167A (it) |
| BE (1) | BE430690A (it) |
| CH (1) | CH209179A (it) |
| DE (1) | DE725456C (it) |
| FR (1) | FR844750A (it) |
| GB (1) | GB503873A (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE23357E (en) * | 1939-08-28 | 1951-04-17 | Processes for producing same | |
| US2661293A (en) * | 1946-10-08 | 1953-12-01 | Polaroid Corp | Process of producing a colored photographic image by means of exhaustion of developer |
| US2647049A (en) * | 1947-02-25 | 1953-07-28 | Polaroid Corp | Photographic element for color photography and a process of producing multicolor pictures |
| US2559643A (en) * | 1948-02-19 | 1951-07-10 | Polaroid Corp | Photographic product and process |
| US2653874A (en) * | 1949-04-15 | 1953-09-29 | Bela Gaspar | Process for the production of color photographic images |
| US2698798A (en) * | 1949-05-21 | 1955-01-04 | Polaroid Corp | Color photographic process and product |
-
0
- BE BE430690D patent/BE430690A/xx unknown
-
1937
- 1937-10-18 GB GB28280/37A patent/GB503873A/en not_active Expired
-
1938
- 1938-09-28 DE DEG98708D patent/DE725456C/de not_active Expired
- 1938-09-29 CH CH209179D patent/CH209179A/de unknown
- 1938-10-15 FR FR844750D patent/FR844750A/fr not_active Expired
- 1938-10-17 US US235527A patent/US2178167A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH209179A (de) | 1940-03-31 |
| FR844750A (fr) | 1939-07-31 |
| DE725456C (de) | 1942-09-23 |
| GB503873A (en) | 1939-04-17 |
| US2178167A (en) | 1939-10-31 |