FR514091A - Photographic film, with a water-permeable backing - Google Patents

Photographic film, with a water-permeable backing

Info

Publication number
FR514091A
FR514091A FR514091A FR514091DA FR514091A FR 514091 A FR514091 A FR 514091A FR 514091 A FR514091 A FR 514091A FR 514091D A FR514091D A FR 514091DA FR 514091 A FR514091 A FR 514091A
Authority
FR
France
Prior art keywords
water
photographic film
permeable backing
backing
permeable
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
FR514091A
Other languages
French (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.)
Cellophane SA France
Original Assignee
Cellophane SA France
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 Cellophane SA France filed Critical Cellophane SA France
Application granted granted Critical
Publication of FR514091A publication Critical patent/FR514091A/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
    • G03C1/494—Silver salt compositions other than silver halide emulsions; Photothermographic systems ; Thermographic systems using noble metal compounds
    • G03C1/496—Binder-free compositions, e.g. evaporated
FR514091A 1920-04-19 1920-04-19 Photographic film, with a water-permeable backing Expired FR514091A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR514091T 1920-04-19
GB3253/21A GB179250A (en) 1920-04-19 1921-01-26 Photographic films with a carrier permeable to water

Publications (1)

Publication Number Publication Date
FR514091A true FR514091A (en) 1921-03-02

Family

ID=9754828

Family Applications (1)

Application Number Title Priority Date Filing Date
FR514091A Expired FR514091A (en) 1920-04-19 1920-04-19 Photographic film, with a water-permeable backing

Country Status (3)

Country Link
DE (1) DE385267C (en)
FR (1) FR514091A (en)
GB (1) GB179250A (en)

Also Published As

Publication number Publication date
DE385267C (en) 1923-11-20
GB179250A (en) 1922-04-26

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