FR2147985B1 - - Google Patents

Info

Publication number
FR2147985B1
FR2147985B1 FR7225022A FR7225022A FR2147985B1 FR 2147985 B1 FR2147985 B1 FR 2147985B1 FR 7225022 A FR7225022 A FR 7225022A FR 7225022 A FR7225022 A FR 7225022A FR 2147985 B1 FR2147985 B1 FR 2147985B1
Authority
FR
France
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
FR7225022A
Other languages
French (fr)
Other versions
FR2147985A1 (de
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 AG
Original Assignee
Agfa Gevaert AG
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 AG filed Critical Agfa Gevaert AG
Publication of FR2147985A1 publication Critical patent/FR2147985A1/fr
Application granted granted Critical
Publication of FR2147985B1 publication Critical patent/FR2147985B1/fr
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)
FR7225022A 1971-07-30 1972-07-10 Expired FR2147985B1 (de)

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 (2)

Publication Number Publication Date
FR2147985A1 FR2147985A1 (de) 1973-03-11
FR2147985B1 true FR2147985B1 (de) 1978-03-24

Family

ID=10384047

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7225022A Expired FR2147985B1 (de) 1971-07-30 1972-07-10

Country Status (6)

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

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 (de) * 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
DE2237036A1 (de) 1973-02-08
US3779776A (en) 1973-12-18
BE785847A (nl) 1973-01-05
CA1000100A (en) 1976-11-23
FR2147985A1 (de) 1973-03-11
GB1388847A (en) 1975-03-26

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse