GB1250151A - - Google Patents

Info

Publication number
GB1250151A
GB1250151A GB1250151DA GB1250151A GB 1250151 A GB1250151 A GB 1250151A GB 1250151D A GB1250151D A GB 1250151DA GB 1250151 A GB1250151 A GB 1250151A
Authority
GB
United Kingdom
Prior art keywords
layer
emulsion
compound
thiourea
silver halide
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
English (en)
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 filed Critical
Publication of GB1250151A publication Critical patent/GB1250151A/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
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged
    • 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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • G03C8/08—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1250151D 1967-07-27 1967-07-27 Expired GB1250151A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3454767 1967-07-27

Publications (1)

Publication Number Publication Date
GB1250151A true GB1250151A (de) 1971-10-20

Family

ID=10366971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1250151D Expired GB1250151A (de) 1967-07-27 1967-07-27

Country Status (1)

Country Link
GB (1) GB1250151A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031127A (en) * 1975-08-06 1977-06-21 Eastman Kodak Company Acyl hydrazino thiourea derivatives as photographic nucleating agents
EP0140371A2 (de) * 1983-10-31 1985-05-08 Fuji Photo Film Co., Ltd. Vom internen Latentbildtyp direktes positives lichtempfindliches Silberhalogenidmaterial

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031127A (en) * 1975-08-06 1977-06-21 Eastman Kodak Company Acyl hydrazino thiourea derivatives as photographic nucleating agents
EP0140371A2 (de) * 1983-10-31 1985-05-08 Fuji Photo Film Co., Ltd. Vom internen Latentbildtyp direktes positives lichtempfindliches Silberhalogenidmaterial
EP0140371A3 (en) * 1983-10-31 1985-09-04 Fuji Photo Film Co., Ltd. Internal latent image-type direct positive silver halide light-sensitive material

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees