BE530882A - - Google Patents
Info
- Publication number
- BE530882A BE530882A BE530882DA BE530882A BE 530882 A BE530882 A BE 530882A BE 530882D A BE530882D A BE 530882DA BE 530882 A BE530882 A BE 530882A
- 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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/485—Direct positive emulsions
- G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
- G03C1/48546—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent
- G03C1/48553—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent the fogging agent only present in the developer
-
- 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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/485—Direct positive emulsions
- G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
- G03C1/48546—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- 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 |
|---|---|---|---|
| US371946A US2685514A (en) | 1953-08-03 | 1953-08-03 | Direct positive photographic development process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE530882A true BE530882A (en:Method) |
Family
ID=23466058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE530882D BE530882A (en:Method) | 1953-08-03 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2685514A (en:Method) |
| BE (1) | BE530882A (en:Method) |
| FR (1) | FR1143615A (en:Method) |
| GB (1) | GB767703A (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2840471A (en) * | 1956-09-06 | 1958-06-24 | Francis G Berry | Photographic film developer |
| US3062643A (en) * | 1959-05-22 | 1962-11-06 | Eastman Kodak Co | Photographic diffusion transfer process |
| US3719494A (en) * | 1970-10-30 | 1973-03-06 | Eastman Kodak Co | Silver halide emulsion containing a dihydroaromatic quaternary salt nucleating agent and the use thereof |
| JPS5710141A (en) * | 1980-06-20 | 1982-01-19 | Fuji Photo Film Co Ltd | Photographic element for color diffusion transfer |
| EP0254280B1 (en) * | 1986-07-22 | 1993-12-29 | Fuji Photo Film Co., Ltd. | Method for processing silver halide color photographic material |
| US5384232A (en) * | 1991-12-02 | 1995-01-24 | E. I. Du Pont De Nemours And Company | Process for rapid access development of silver halide films using pyridinium as development accelerators |
-
0
- BE BE530882D patent/BE530882A/xx unknown
-
1953
- 1953-08-03 US US371946A patent/US2685514A/en not_active Expired - Lifetime
-
1954
- 1954-08-02 FR FR1143615D patent/FR1143615A/fr not_active Expired
- 1954-08-03 GB GB22509/54A patent/GB767703A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1143615A (fr) | 1957-10-03 |
| US2685514A (en) | 1954-08-03 |
| GB767703A (en) | 1957-02-06 |