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 process

Info

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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR1170224A publication Critical patent/FR1170224A/en
Expired legal-status Critical Current

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)
FR1170224D 1955-12-01 1956-11-28 New process for increasing the sensitivity of photographic emulsions and products for the implementation of this process Expired FR1170224A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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