CH214922A - Process for sensitizing photographic emulsions. - Google Patents
Process for sensitizing photographic emulsions.Info
- Publication number
- CH214922A CH214922A CH214922DA CH214922A CH 214922 A CH214922 A CH 214922A CH 214922D A CH214922D A CH 214922DA CH 214922 A CH214922 A CH 214922A
- Authority
- CH
- Switzerland
- Prior art keywords
- photographic emulsions
- sensitizing photographic
- sensitizing
- emulsions
- photographic
- Prior art date
Links
- 239000000839 emulsion Substances 0.000 title 1
- 230000001235 sensitizing effect Effects 0.000 title 1
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 |
---|---|
CH214922A true CH214922A (en) | 1941-05-31 |
Family
ID=5821270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH214922D CH214922A (en) | 1938-12-09 | 1939-12-08 | Process 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 |
---|---|
BE437286A (en) | |
FR869764A (en) | 1942-02-16 |
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