BE437862A - - Google Patents
Info
- Publication number
- BE437862A BE437862A BE437862DA BE437862A BE 437862 A BE437862 A BE 437862A BE 437862D A BE437862D A BE 437862DA BE 437862 A BE437862 A BE 437862A
- 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
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/08—Sensitivity-increasing substances
- G03C1/10—Organic substances
-
- 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
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/30—Hardeners
- G03C1/301—Aldehydes or derivatives thereof, e.g. bisulfite addition products
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2247569X | 1939-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE437862A true BE437862A (cs) |
Family
ID=7992193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE437862D BE437862A (cs) | 1939-02-09 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2247569A (cs) |
| BE (1) | BE437862A (cs) |
| FR (1) | FR871377A (cs) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2441440A (en) * | 1945-01-25 | 1948-05-11 | Du Pont | Silver halide photographic emulsions of enhanced light sensitivity |
| US2493838A (en) * | 1945-07-19 | 1950-01-10 | Bennett F Terry | Photoprinting processes |
| US2911408A (en) * | 1957-01-28 | 1959-11-03 | Lakeside Lab Inc | Hydroxypiperidino-n-alkylene aldehydes |
| US2964404A (en) * | 1957-07-26 | 1960-12-13 | Eastman Kodak Co | Hardening of gelating with aziridinylsulfonyl compounds |
-
0
- BE BE437862D patent/BE437862A/xx unknown
-
1940
- 1940-02-28 US US321208A patent/US2247569A/en not_active Expired - Lifetime
-
1941
- 1941-02-11 FR FR871377D patent/FR871377A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2247569A (en) | 1941-07-01 |
| FR871377A (fr) | 1942-04-22 |