GB179250A - Photographic films with a carrier permeable to water - Google Patents

Photographic films with a carrier permeable to water

Info

Publication number
GB179250A
GB179250A GB3253/21A GB325321A GB179250A GB 179250 A GB179250 A GB 179250A GB 3253/21 A GB3253/21 A GB 3253/21A GB 325321 A GB325321 A GB 325321A GB 179250 A GB179250 A GB 179250A
Authority
GB
United Kingdom
Prior art keywords
water
carrier
photographic films
films
carrier 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
GB3253/21A
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.)
Individual
Original Assignee
Individual
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
Priority to FR514091A priority Critical patent/FR514091A/en
Priority to DE1921S0055396 priority patent/DE385267C/en
Application filed by Individual filed Critical Individual
Priority to GB3253/21A priority patent/GB179250A/en
Publication of GB179250A publication Critical patent/GB179250A/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

Abstract

179,250. Brandenbergrer, J. E. Jan. 26, 1921. Films.-Relates to films of the kind comprising a viscose or like carrier permeable to water impregnated with sensitive material by being passed through two baths in succession. According to the invention, for the purpose of obtaining a single sensitive surface on the film, the carrier is doubled before being passed' through the second bath, the doubled parts being finally separated.
GB3253/21A 1920-04-19 1921-01-26 Photographic films with a carrier permeable to water Expired GB179250A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR514091A FR514091A (en) 1920-04-19 1920-04-19 Photographic film, with a water-permeable backing
DE1921S0055396 DE385267C (en) 1920-04-19 1921-01-23 Process for the production of one-sided light-sensitive film strips
GB3253/21A GB179250A (en) 1920-04-19 1921-01-26 Photographic films with a carrier permeable to water

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
GB179250A true GB179250A (en) 1922-04-26

Family

ID=9754828

Family Applications (1)

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

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
FR514091A (en) 1921-03-02

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