FR808762A - Improvements to photographic emulsions - Google Patents
Improvements to photographic emulsionsInfo
- Publication number
- FR808762A FR808762A FR808762DA FR808762A FR 808762 A FR808762 A FR 808762A FR 808762D A FR808762D A FR 808762DA FR 808762 A FR808762 A FR 808762A
- Authority
- FR
- France
- Prior art keywords
- photographic emulsions
- photographic
- emulsions
- Prior art date
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR808762T | 1935-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR808762A true FR808762A (en) | 1937-02-15 |
Family
ID=9253126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR808762D Expired FR808762A (en) | 1935-10-31 | 1935-10-31 | Improvements to photographic emulsions |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR808762A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2620272A (en) * | 1947-05-12 | 1952-12-02 | Bell & Howell Co | Variable contrast photographic material and process of preparing it |
-
1935
- 1935-10-31 FR FR808762D patent/FR808762A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2620272A (en) * | 1947-05-12 | 1952-12-02 | Bell & Howell Co | Variable contrast photographic material and process of preparing it |
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