BE621461A - - Google Patents
Info
- Publication number
- BE621461A BE621461A BE621461DA BE621461A BE 621461 A BE621461 A BE 621461A BE 621461D A BE621461D A BE 621461DA BE 621461 A BE621461 A BE 621461A
- 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
- G03C1/42—Developers or their precursors
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)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US132012A US3212899A (en) | 1961-08-17 | 1961-08-17 | Photographic silver halide emulsions sensitized with quaternary ammonium salt and developer combinations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE621461A true BE621461A (US20100223739A1-20100909-C00025.png) |
Family
ID=22452028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE621461D BE621461A (US20100223739A1-20100909-C00025.png) | 1961-08-17 |
Country Status (4)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1548395A (en) * | 1975-05-29 | 1979-07-11 | Eastman Kodak Co | Photographic materials |
| 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 |
| US5252449A (en) * | 1992-09-25 | 1993-10-12 | E. I. Du Pont De Nemours And Company | Photographic silver halide emulsions with improved bright room tolerance |
| FR2747806B1 (fr) * | 1996-04-19 | 1998-07-03 | Kodak Pathe | Nouveau procede de developpement d'un produit photographique a developpateur incorpore |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2419975A (en) * | 1943-08-26 | 1947-05-06 | Eastman Kodak Co | Increasing speed and contrast of photographic emulsions |
| GB845928A (en) * | 1957-10-25 | 1960-08-24 | Ilford Ltd | Improvements in or relating to photographic emulsions |
| US2940851A (en) * | 1957-11-27 | 1960-06-14 | Eastman Kodak Co | Sensitization of photographic emulsions |
| BE577256A (US20100223739A1-20100909-C00025.png) * | 1958-03-31 |
-
0
- BE BE621461D patent/BE621461A/xx unknown
-
1961
- 1961-08-17 US US132012A patent/US3212899A/en not_active Expired - Lifetime
-
1962
- 1962-07-28 DE DEE23283A patent/DE1163672B/de active Pending
- 1962-08-15 GB GB31254/62A patent/GB1009475A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1009475A (en) | 1965-11-10 |
| DE1163672B (de) | 1964-02-20 |
| US3212899A (en) | 1965-10-19 |
