FR1170224A - New process for increasing the sensitivity of photographic emulsions and products for the implementation of this process - Google Patents
New process for increasing the sensitivity of photographic emulsions and products for the implementation of this processInfo
- Publication number
- FR1170224A FR1170224A FR1170224DA FR1170224A FR 1170224 A FR1170224 A FR 1170224A FR 1170224D A FR1170224D A FR 1170224DA FR 1170224 A FR1170224 A FR 1170224A
- Authority
- FR
- France
- Prior art keywords
- sensitivity
- implementation
- products
- increasing
- 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
- G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
- G03C1/043—Polyalkylene oxides; Polyalkylene sulfides; Polyalkylene selenides; Polyalkylene tellurides
-
- 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
- G03C1/09—Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising
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)
- Luminescent Compositions (AREA)
- Colloid Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US550496A US2848330A (en) | 1955-12-01 | 1955-12-01 | Photographic emulsions sensitized with sulfonium salts and alkylene oxide polymers |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1170224A true FR1170224A (en) | 1959-01-12 |
Family
ID=24197412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1170224D Expired FR1170224A (en) | 1955-12-01 | 1956-11-28 | New process for increasing the sensitivity of photographic emulsions and products for the implementation of this process |
Country Status (5)
Country | Link |
---|---|
US (1) | US2848330A (en) |
BE (1) | BE553032A (en) |
DE (1) | DE1048476B (en) |
FR (1) | FR1170224A (en) |
GB (1) | GB841536A (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1070029B (en) * | 1958-03-31 | 1959-11-26 | ||
US3006760A (en) * | 1958-10-23 | 1961-10-31 | Gen Aniline & Film Corp | Photographic materials |
US3046135A (en) * | 1958-12-12 | 1962-07-24 | Eastman Kodak Co | Sensitization of photographic silver halide emulsions with sulfur-containing polymers |
US3046129A (en) * | 1958-12-12 | 1962-07-24 | Eastman Kodak Co | Sensitization of photographic silver halide emulsions containing colorforming compounds with polymeric thioethers |
US3046132A (en) * | 1958-12-12 | 1962-07-24 | Eastman Kodak Co | Sensitization of photographic silver halide emulsions with polyester compounds containing a plurality of sulfur atoms |
US3046133A (en) * | 1958-12-12 | 1962-07-24 | Eastman Kodak Co | Sensitization of photographic silver halide emulsions with polyester compounds containing thioether-sulfur atoms in the side chain |
US3113026A (en) * | 1959-01-19 | 1963-12-03 | Gen Aniline & Film Corp | Polyvinyl alcohol photographic silver halide emulsions |
BE595533A (en) * | 1959-10-01 | |||
BE597819A (en) * | 1959-12-11 | |||
BE602578A (en) * | 1960-04-18 | |||
BE623790A (en) * | 1961-10-23 | |||
US3253919A (en) * | 1962-06-12 | 1966-05-31 | Eastman Kodak Co | Sensitizers for photographic silver halide emulsions |
US3312553A (en) * | 1963-10-30 | 1967-04-04 | Gen Aniline & Film Corp | Photographic materials |
JPS5232569B2 (en) * | 1972-08-31 | 1977-08-23 | ||
JPS564139A (en) * | 1979-06-22 | 1981-01-17 | Konishiroku Photo Ind Co Ltd | High contrast silver image forming method |
US20020197726A1 (en) * | 2001-05-23 | 2002-12-26 | Gyula Vigh | Anionic ion pairing compositions having volatile combustion products with O or S or halogen atoms or their combinations as heteroatoms for use with gas-phase or vapor-phase element-specific detectors |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2275727A (en) * | 1940-02-29 | 1942-03-10 | Eastman Kodak Co | Photographic emulsion |
BE463680A (en) * | 1940-02-29 | |||
US2410690A (en) * | 1943-08-26 | 1946-11-05 | Eastman Kodak Co | Method of improving the sensitivity characteristics of emulsions |
BE530063A (en) * | 1953-07-01 |
-
0
- BE BE553032D patent/BE553032A/xx unknown
- DE DENDAT1048476D patent/DE1048476B/de active Pending
-
1955
- 1955-12-01 US US550496A patent/US2848330A/en not_active Expired - Lifetime
-
1956
- 1956-11-28 FR FR1170224D patent/FR1170224A/en not_active Expired
- 1956-11-30 GB GB36639/56A patent/GB841536A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE553032A (en) | |
DE1048476B (en) | |
US2848330A (en) | 1958-08-19 |
GB841536A (en) | 1960-07-20 |
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