CA998871A - Development of direct-positive silver halide elements - Google Patents

Development of direct-positive silver halide elements

Info

Publication number
CA998871A
CA998871A CA163,406A CA163406A CA998871A CA 998871 A CA998871 A CA 998871A CA 163406 A CA163406 A CA 163406A CA 998871 A CA998871 A CA 998871A
Authority
CA
Canada
Prior art keywords
development
direct
silver halide
positive silver
halide elements
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
CA163,406A
Other languages
English (en)
Other versions
CA163406S (en
Inventor
Willy J. Vanassche
Herman A. Pattyn
Hendrik A. Borginon
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 CA998871A publication Critical patent/CA998871A/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

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)
CA163,406A 1972-02-18 1973-02-09 Development of direct-positive silver halide elements Expired CA998871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB774372A GB1426431A (en) 1972-02-18 1972-02-18 Development of direct-positive silver halide elements

Publications (1)

Publication Number Publication Date
CA998871A true CA998871A (en) 1976-10-26

Family

ID=9838870

Family Applications (1)

Application Number Title Priority Date Filing Date
CA163,406A Expired CA998871A (en) 1972-02-18 1973-02-09 Development of direct-positive silver halide elements

Country Status (6)

Country Link
JP (1) JPS4890741A (pt)
BE (1) BE795336A (pt)
CA (1) CA998871A (pt)
DE (1) DE2307480A1 (pt)
FR (1) FR2172253B1 (pt)
GB (1) GB1426431A (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2557686B2 (ja) * 1987-05-28 1996-11-27 富士写真フイルム株式会社 直接ポジカラー画像形成方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1151363A (en) * 1965-04-30 1969-05-07 Agfa Gevaert Nv A Method of Producing Photographic Images
BE735930A (pt) * 1968-07-11 1969-12-16

Also Published As

Publication number Publication date
FR2172253A1 (pt) 1973-09-28
JPS4890741A (pt) 1973-11-27
BE795336A (nl) 1973-08-13
DE2307480A1 (de) 1973-08-23
FR2172253B1 (pt) 1976-09-10
GB1426431A (en) 1976-02-25

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