FR767458A - - Google Patents
Info
- Publication number
- FR767458A FR767458A FR767458DA FR767458A FR 767458 A FR767458 A FR 767458A FR 767458D A FR767458D A FR 767458DA FR 767458 A FR767458 A FR 767458A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
-
- 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
- G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
- G03C2001/03564—Mixed grains or mixture of emulsions
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH428305X | 1932-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR767458A true FR767458A (en) | 1934-07-17 |
Family
ID=4514878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR767458D Expired FR767458A (en) | 1932-12-10 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2029946A (en) |
| BE (1) | BE400237A (en) |
| DE (1) | DE619238C (en) |
| FR (1) | FR767458A (en) |
| GB (1) | GB428305A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2456955A (en) * | 1944-06-02 | 1948-12-21 | Eastman Kodak Co | Photographic processes and lightsensitive elements therefor |
| US2515846A (en) * | 1947-04-29 | 1950-07-18 | Du Pont | Method of reproducing pictures |
| US2703282A (en) * | 1950-12-14 | 1955-03-01 | Eastman Kodak Co | Increasing the exposure latitude of photographic emulsions by sensitizing |
| US4533627A (en) * | 1982-07-23 | 1985-08-06 | Ciba-Geigy Ag | Process for the preparation of a silver halide emulsion |
| US5641621A (en) * | 1996-01-11 | 1997-06-24 | Eastman Kodak Company | Process for preparation of silver halide emulsion employing a double heat-cycle during finishing |
-
0
- BE BE400237D patent/BE400237A/xx unknown
- FR FR767458D patent/FR767458A/fr not_active Expired
-
1932
- 1932-12-13 DE DEG84281D patent/DE619238C/en not_active Expired
-
1933
- 1933-12-08 US US701531A patent/US2029946A/en not_active Expired - Lifetime
- 1933-12-09 GB GB34700/33A patent/GB428305A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE400237A (en) | |
| US2029946A (en) | 1936-02-04 |
| GB428305A (en) | 1935-05-10 |
| DE619238C (en) | 1935-09-25 |