FR2172253B1 - - Google Patents

Info

Publication number
FR2172253B1
FR2172253B1 FR7305254A FR7305254A FR2172253B1 FR 2172253 B1 FR2172253 B1 FR 2172253B1 FR 7305254 A FR7305254 A FR 7305254A FR 7305254 A FR7305254 A FR 7305254A FR 2172253 B1 FR2172253 B1 FR 2172253B1
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
FR7305254A
Other versions
FR2172253A1 (fr
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 FR2172253A1 publication Critical patent/FR2172253A1/fr
Application granted granted Critical
Publication of FR2172253B1 publication Critical patent/FR2172253B1/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

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)
FR7305254A 1972-02-18 1973-02-14 Expired FR2172253B1 (fr)

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 (2)

Publication Number Publication Date
FR2172253A1 FR2172253A1 (fr) 1973-09-28
FR2172253B1 true FR2172253B1 (fr) 1976-09-10

Family

ID=9838870

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7305254A Expired FR2172253B1 (fr) 1972-02-18 1973-02-14

Country Status (6)

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

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 (fr) * 1968-07-11 1969-12-16

Also Published As

Publication number Publication date
CA998871A (en) 1976-10-26
FR2172253A1 (fr) 1973-09-28
JPS4890741A (fr) 1973-11-27
BE795336A (nl) 1973-08-13
GB1426431A (en) 1976-02-25
DE2307480A1 (de) 1973-08-23

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Legal Events

Date Code Title Description
ST Notification of lapse