FR2273302B1 - - Google Patents

Info

Publication number
FR2273302B1
FR2273302B1 FR7508681A FR7508681A FR2273302B1 FR 2273302 B1 FR2273302 B1 FR 2273302B1 FR 7508681 A FR7508681 A FR 7508681A FR 7508681 A FR7508681 A FR 7508681A FR 2273302 B1 FR2273302 B1 FR 2273302B1
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
FR7508681A
Other languages
French (fr)
Other versions
FR2273302A1 (xx
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2273302A1 publication Critical patent/FR2273302A1/fr
Application granted granted Critical
Publication of FR2273302B1 publication Critical patent/FR2273302B1/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
FR7508681A 1974-03-21 1975-03-20 Expired FR2273302B1 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT4937774A IT1021529B (it) 1974-03-21 1974-03-21 Procedimento per la preparazione di emulsioni fotosensibili agli aloge nuri d argento positive dirette di migliorate caratteristiche sensito metriche emulsioni fotosensibili co si ottenute ed elementi fotografici contenenti dette emulsioni agli alo cenuri d argento positive dirette

Publications (2)

Publication Number Publication Date
FR2273302A1 FR2273302A1 (xx) 1975-12-26
FR2273302B1 true FR2273302B1 (xx) 1982-03-19

Family

ID=11270517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7508681A Expired FR2273302B1 (xx) 1974-03-21 1975-03-20

Country Status (7)

Country Link
JP (1) JPS50141322A (xx)
BE (1) BE827000A (xx)
CA (1) CA1057106A (xx)
DE (1) DE2512646A1 (xx)
FR (1) FR2273302B1 (xx)
GB (1) GB1498876A (xx)
IT (1) IT1021529B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4311786A (en) * 1979-07-17 1982-01-19 Ciba-Geigy Ag Novel sensitizers and their use in direct-positive photographic materials
JPH05289213A (ja) * 1992-04-08 1993-11-05 Fuji Photo Film Co Ltd 被らせ型直接ポジ用ハロゲン化銀乳剤の調製方法
US5399466A (en) * 1993-01-15 1995-03-21 Eastman Kodak Company [Method of processing] photographic elements having fogged grains and development inhibitors for interimage

Also Published As

Publication number Publication date
JPS50141322A (xx) 1975-11-13
CA1057106A (en) 1979-06-26
IT1021529B (it) 1978-02-20
GB1498876A (en) 1978-01-25
DE2512646A1 (de) 1975-09-25
FR2273302A1 (xx) 1975-12-26
BE827000A (fr) 1975-09-22

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Legal Events

Date Code Title Description
ST Notification of lapse