BE489729A - - Google Patents

Info

Publication number
BE489729A
BE489729A BE489729DA BE489729A BE 489729 A BE489729 A BE 489729A BE 489729D A BE489729D A BE 489729DA BE 489729 A BE489729 A BE 489729A
Authority
BE
Belgium
Application number
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.)
Publication of BE489729A publication Critical patent/BE489729A/xx

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
    • G03C1/485—Direct positive emulsions
    • G03C1/48592—Positive image obtained by various effects other than photohole bleaching or internal image desensitisation, e.g. Sabatier, Clayden effect
    • 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
    • G03C1/36—Desensitisers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE489729D 1948-06-29 BE489729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35987A US2541472A (en) 1948-06-29 1948-06-29 Direct positive emulsion containing desensitizing dye

Publications (1)

Publication Number Publication Date
BE489729A true BE489729A (en)

Family

ID=21885938

Family Applications (1)

Application Number Title Priority Date Filing Date
BE489729D BE489729A (en) 1948-06-29

Country Status (4)

Country Link
US (1) US2541472A (en)
BE (1) BE489729A (en)
FR (1) FR989400A (en)
GB (1) GB667206A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614927A (en) * 1949-06-01 1952-10-21 Eastman Kodak Co Rapid processing of photographic materials
DE977335C (en) * 1953-03-16 1965-12-16 Agfa Ag Process for reducing the blue sensitivity of photographic silver halide emulsions
US2774668A (en) * 1953-05-28 1956-12-18 Polaroid Corp Process and product for forming color images from complete dyes
US2865749A (en) * 1956-11-06 1958-12-23 Eastman Kodak Co Stabilized photographic emulsions
NL110449C (en) * 1957-08-19
US3023102A (en) * 1957-09-24 1962-02-27 Gen Aniline & Film Corp Direct positive photographic emulsion
NL231909A (en) * 1957-10-04
US2947629A (en) * 1958-09-17 1960-08-02 Eastman Kodak Co Nitrosopyrimidine desensitizing compounds and photographic emulsions containing them
US3062651A (en) * 1959-01-21 1962-11-06 Eastman Kodak Co Unhardened, fogged emulsions and method of processing to positive images
GB950486A (en) * 1959-05-13 1964-02-26 Kodak Ltd Heat-treated photographic emulsions and their use
US3237008A (en) * 1961-01-19 1966-02-22 Eastman Kodak Co Roomlight handling radiographic element including an x-ray sensitive layer overcoated with a dye desensitized silver halide emulsion
US3295969A (en) * 1961-04-12 1967-01-03 Eastman Kodak Co Photographic spirit duplicating process
US3284203A (en) * 1961-05-02 1966-11-08 Fuji Photo Film Co Ltd Direct positive photographic materials
US3189456A (en) * 1961-06-19 1965-06-15 Du Pont Radiation-sensitive emulsions and elements and their preparation
US3278307A (en) * 1961-11-21 1966-10-11 Eastman Kodak Co Photographic process for producing prints stabilized against print-out
GB1054284A (en) * 1963-02-14
GB1012860A (en) * 1963-08-28 1965-12-08 Ilford Ltd Photographic materials and processes
US3367779A (en) * 1965-01-21 1968-02-06 Fuji Photo Film Co Ltd Direct positive silver halide photographic materials
DE1935311C3 (en) * 1968-07-15 1974-05-22 Fuji Photo Film Co. Ltd., Ashigara, Kanagawa (Japan) Photographic direct positive silver halide emulsion
US3988156A (en) * 1974-02-19 1976-10-26 Eastman Kodak Company Photographic supports and elements utilizing photobleachable o-nitroarylidene dyes
US3988154A (en) * 1974-02-19 1976-10-26 Eastman Kodak Company Photographic supports and elements utilizing photobleachable omicron-nitroarylidene dyes
US4271263A (en) * 1980-05-15 1981-06-02 Minnesota Mining And Manufacturing Company Thermally developable photosensitive compositions containing acutance agents
US4308379A (en) * 1980-05-15 1981-12-29 Minnesota Mining And Manufacturing Company Acutance agents for use in thermally developable photosensitive compositions
US4404277A (en) * 1981-08-21 1983-09-13 Minnesota Mining And Manufacturing Company Desensitizing dyes for photographic emulsions
EP0754967A1 (en) 1995-07-14 1997-01-22 Agfa-Gevaert N.V. Photographic direct positive material containing a particular stabilizer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE390036A (en) * 1928-01-31
US2271229A (en) * 1939-11-10 1942-01-27 Eastman Kodak Co Fog inhibitor for photographic developers
US2324123A (en) * 1941-07-08 1943-07-13 Eastman Kodak Co Fog inhibitor for photographic developers
US2384593A (en) * 1943-08-06 1945-09-11 Eastman Kodak Co Antifoggant

Also Published As

Publication number Publication date
FR989400A (en) 1951-09-07
GB667206A (en) 1952-02-27
US2541472A (en) 1951-02-13

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