BE796122A - DIRECT POSITIVE SILVER HALIDE PHOTOSENSITIVE EMULSION AND PROCESS FOR PREPARING THIS EMULSION - Google Patents

DIRECT POSITIVE SILVER HALIDE PHOTOSENSITIVE EMULSION AND PROCESS FOR PREPARING THIS EMULSION

Info

Publication number
BE796122A
BE796122A BE128242A BE128242A BE796122A BE 796122 A BE796122 A BE 796122A BE 128242 A BE128242 A BE 128242A BE 128242 A BE128242 A BE 128242A BE 796122 A BE796122 A BE 796122A
Authority
BE
Belgium
Prior art keywords
emulsion
preparing
silver halide
direct positive
halide photosensitive
Prior art date
Application number
BE128242A
Other languages
French (fr)
Inventor
P B Gilman
R G Raleigh
T D Koszelak
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of BE796122A publication Critical patent/BE796122A/en

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
    • G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • G03C1/48584—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure spectrally sensitised
    • 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
    • G03C1/48515—Direct positive emulsions prefogged
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
    • G03C1/4853—Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/141—Direct positive material

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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE128242A 1972-02-29 1973-02-28 DIRECT POSITIVE SILVER HALIDE PHOTOSENSITIVE EMULSION AND PROCESS FOR PREPARING THIS EMULSION BE796122A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23049272A 1972-02-29 1972-02-29

Publications (1)

Publication Number Publication Date
BE796122A true BE796122A (en) 1973-08-28

Family

ID=22865442

Family Applications (1)

Application Number Title Priority Date Filing Date
BE128242A BE796122A (en) 1972-02-29 1973-02-28 DIRECT POSITIVE SILVER HALIDE PHOTOSENSITIVE EMULSION AND PROCESS FOR PREPARING THIS EMULSION

Country Status (6)

Country Link
US (1) US3772030A (en)
JP (1) JPS48101119A (en)
BE (1) BE796122A (en)
CA (1) CA1000991A (en)
FR (1) FR2174113B1 (en)
GB (1) GB1414833A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1427525A (en) * 1972-07-13 1976-03-10 Agfa Gevaert Directpositive silver halide emulsions
US4110116A (en) * 1973-06-18 1978-08-29 Minnesota Mining And Manufacturing Company Fogged direct positive silver halide emulsion containing a cyanine dye having at least one benzoxazole or benzothiazole nucleus substituted with halogen atoms
US3936308A (en) * 1973-08-16 1976-02-03 Eastman Kodak Company Photographic emulsions containing methine dyes having a 1H-imidazo[4,5-b]pyrazine nucleus
US3935010A (en) * 1974-09-03 1976-01-27 Eastman Kodak Company Element and process for selectively forming positive or negative photographic images
JPS5854379B2 (en) * 1976-04-28 1983-12-05 コニカ株式会社 Direct positive silver halide photographic material
US4273862A (en) * 1977-06-11 1981-06-16 Mitsubishi Paper Mills, Ltd. Direct-positive silver halide photographic sensitive materials
US4207103A (en) * 1978-06-26 1980-06-10 Eastman Kodak Company Photographic print-out silver halide process
US4433050A (en) * 1980-09-11 1984-02-21 Konishiroku Photo Industry Co., Ltd. Direct positive type light sensitive silver halide photographic material
US4355098A (en) * 1981-02-11 1982-10-19 E. I. Du Pont De Nemours And Company Supersensitizing direct positive dye combinations
JPS5978338A (en) * 1982-10-27 1984-05-07 Fuji Photo Film Co Ltd Spectrally sensitized internal latent image type silver halide photographic emulsion
JPS6010241A (en) * 1983-06-29 1985-01-19 Fuji Photo Film Co Ltd Internal latent image type direct positive silver halide emulsion
JPS6073625A (en) * 1983-09-30 1985-04-25 Fuji Photo Film Co Ltd Method for controlling re-reversal negative image in direct positive photosensitive silver halide material
JPS63273855A (en) * 1987-05-01 1988-11-10 Konica Corp Silver halide photographic sensitive material for direct positive having excellent retouching property and high whiteness
US4933273A (en) * 1988-12-02 1990-06-12 Eastman Kodak Company Photographic element and emulsion having enhanced sensitometric properties and process of development
EP1429324A1 (en) * 1999-12-17 2004-06-16 Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo Monomethine cyanine dyes suitable for the use in optical recording media

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206313A (en) * 1961-05-15 1965-09-14 Eastman Kodak Co Chemically sensitized emulsions having low surface sensitivity and high internal sensitivity
FR1367941A (en) * 1962-09-01 1964-07-24 Agfa Ag photographic silver halide emulsion containing composite silver halide grains having an extremely narrow particle size distribution
FR1492132A (en) * 1965-05-24 1967-08-18 Eastman Kodak Co New photographic emulsions and new photographic products containing these emulsions
US3482982A (en) * 1965-09-22 1969-12-09 Fuji Photo Film Co Ltd Process for producing silver iodobromide photographic emulsion
US3528811A (en) * 1967-05-17 1970-09-15 Eastman Kodak Co Photographic emulsions containing a pyrimidinedione and a desensitizing nucleus linked by a dimethine or a double bond
US3558320A (en) * 1967-08-14 1971-01-26 Eastman Kodak Co Direct positive silver halide emulsions containing 3 - nitrosoindole cyanine dyes
US3650758A (en) * 1970-07-20 1972-03-21 Eastman Kodak Co Direct-positive print-out silver halide emulsion fogged to visible density

Also Published As

Publication number Publication date
DE2307805B2 (en) 1976-10-07
DE2307805A1 (en) 1973-09-13
FR2174113A1 (en) 1973-10-12
FR2174113B1 (en) 1977-02-04
US3772030A (en) 1973-11-13
JPS48101119A (en) 1973-12-20
CA1000991A (en) 1976-12-07
GB1414833A (en) 1975-11-19

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