FR869764A - Method for sensitizing photographic emulsions - Google Patents
Method for sensitizing photographic emulsionsInfo
- Publication number
- FR869764A FR869764A FR869764DA FR869764A FR 869764 A FR869764 A FR 869764A FR 869764D A FR869764D A FR 869764DA FR 869764 A FR869764 A FR 869764A
- Authority
- FR
- France
- Prior art keywords
- photographic emulsions
- sensitizing photographic
- sensitizing
- emulsions
- photographic
- 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
- G03C1/06—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
- G03C1/12—Methine and polymethine dyes
- G03C1/14—Methine and polymethine dyes with an odd number of CH groups
- G03C1/18—Methine and polymethine dyes with an odd number of CH groups with three CH groups
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE214922X | 1938-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR869764A true FR869764A (en) | 1942-02-16 |
Family
ID=5821270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR869764D Expired FR869764A (en) | 1938-12-09 | 1941-02-05 | Method for sensitizing photographic emulsions |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE437286A (en) |
CH (1) | CH214922A (en) |
FR (1) | FR869764A (en) |
-
0
- BE BE437286D patent/BE437286A/xx unknown
-
1939
- 1939-12-08 CH CH214922D patent/CH214922A/en unknown
-
1941
- 1941-02-05 FR FR869764D patent/FR869764A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH214922A (en) | 1941-05-31 |
BE437286A (en) |
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