GB418745A - Improvements in the sensitisation of photographic emulsions - Google Patents
Improvements in the sensitisation of photographic emulsionsInfo
- Publication number
- GB418745A GB418745A GB12182/33A GB1218233A GB418745A GB 418745 A GB418745 A GB 418745A GB 12182/33 A GB12182/33 A GB 12182/33A GB 1218233 A GB1218233 A GB 1218233A GB 418745 A GB418745 A GB 418745A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diethyl
- methyl
- iodide
- heating
- triethyl
- 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)
- Thiazole And Isothizaole Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE418745X | 1932-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB418745A true GB418745A (en) | 1934-10-26 |
Family
ID=6448887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB12182/33A Expired GB418745A (en) | 1932-04-26 | 1933-04-26 | Improvements in the sensitisation of photographic emulsions |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE395935A (US07943777-20110517-C00090.png) |
FR (1) | FR754746A (US07943777-20110517-C00090.png) |
GB (1) | GB418745A (US07943777-20110517-C00090.png) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE936644C (de) * | 1937-03-13 | 1955-12-15 | Agfa Ag Fuer Photofabrikation | Verfahren zur Herstellung von Methinfarbstoffen |
DE966046C (de) * | 1946-11-22 | 1957-07-04 | Eastman Kodak Co | Verfahren zur Herstellung von Sensibilisatoren |
US5387502A (en) * | 1991-09-11 | 1995-02-07 | Fuji Photo Film Co., Ltd. | Silver halide photographic material |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE750122C (de) * | 1936-05-29 | 1944-12-14 | Verfahren zur Sensibilisierung von mehrschichtigem photographischem Material fuer Farbaufnahmen | |
DE1163671B (de) * | 1961-03-22 | 1964-02-20 | Agfa Ag | Verfahren zum Sensibilisieren von photographischen Halogensilberemulsionen |
DE1447577B1 (de) * | 1964-03-11 | 1970-05-14 | Agfa Ag | Stabilisierte Supersensibilisierung von Halogensilberemulsionen |
-
0
- BE BE395935D patent/BE395935A/xx unknown
-
1933
- 1933-04-25 FR FR754746D patent/FR754746A/fr not_active Expired
- 1933-04-26 GB GB12182/33A patent/GB418745A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE936644C (de) * | 1937-03-13 | 1955-12-15 | Agfa Ag Fuer Photofabrikation | Verfahren zur Herstellung von Methinfarbstoffen |
DE966046C (de) * | 1946-11-22 | 1957-07-04 | Eastman Kodak Co | Verfahren zur Herstellung von Sensibilisatoren |
US5387502A (en) * | 1991-09-11 | 1995-02-07 | Fuji Photo Film Co., Ltd. | Silver halide photographic material |
Also Published As
Publication number | Publication date |
---|---|
BE395935A (US07943777-20110517-C00090.png) | |
FR754746A (fr) | 1933-11-13 |
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