CA1000100A - Direct-positive silver halide emulsions - Google Patents

Direct-positive silver halide emulsions

Info

Publication number
CA1000100A
CA1000100A CA146,954A CA146954A CA1000100A CA 1000100 A CA1000100 A CA 1000100A CA 146954 A CA146954 A CA 146954A CA 1000100 A CA1000100 A CA 1000100A
Authority
CA
Canada
Prior art keywords
direct
silver halide
halide emulsions
positive silver
positive
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
CA146,954A
Other languages
English (en)
Other versions
CA146954S (en
Inventor
Robert J. Pollet
Herman A. Pattyn
Hendrik A. Borginon
Willy J. Vanassche
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.)
Agfa Gevaert NV
Original Assignee
Agfa Gevaert NV
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 Agfa Gevaert NV filed Critical Agfa Gevaert NV
Application granted granted Critical
Publication of CA1000100A publication Critical patent/CA1000100A/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
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Plural Heterocyclic Compounds (AREA)
CA146,954A 1971-07-30 1972-07-12 Direct-positive silver halide emulsions Expired CA1000100A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3601771A GB1388847A (en) 1971-07-30 1971-07-30 Direct-positive silver halide emulsions

Publications (1)

Publication Number Publication Date
CA1000100A true CA1000100A (en) 1976-11-23

Family

ID=10384047

Family Applications (1)

Application Number Title Priority Date Filing Date
CA146,954A Expired CA1000100A (en) 1971-07-30 1972-07-12 Direct-positive silver halide emulsions

Country Status (6)

Country Link
US (1) US3779776A (Direct)
BE (1) BE785847A (Direct)
CA (1) CA1000100A (Direct)
DE (1) DE2237036A1 (Direct)
FR (1) FR2147985B1 (Direct)
GB (1) GB1388847A (Direct)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1453833A (en) * 1973-01-25 1976-10-27 Agfa Gevaert Direct-positive silver halide emulsions
US4273862A (en) * 1977-06-11 1981-06-16 Mitsubishi Paper Mills, Ltd. Direct-positive silver halide photographic sensitive materials
JPS5862652A (ja) * 1981-10-08 1983-04-14 Konishiroku Photo Ind Co Ltd 直接ポジカラ−画像の形成方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE543288A (Direct) * 1954-12-10
US3501305A (en) * 1966-03-11 1970-03-17 Eastman Kodak Co Monodispersed photographic reversal emulsions

Also Published As

Publication number Publication date
BE785847A (nl) 1973-01-05
DE2237036A1 (de) 1973-02-08
GB1388847A (en) 1975-03-26
FR2147985A1 (Direct) 1973-03-11
FR2147985B1 (Direct) 1978-03-24
US3779776A (en) 1973-12-18

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