FR721911A - Perfectionnements aux films - Google Patents

Perfectionnements aux films

Info

Publication number
FR721911A
FR721911A FR721911DA FR721911A FR 721911 A FR721911 A FR 721911A FR 721911D A FR721911D A FR 721911DA FR 721911 A FR721911 A FR 721911A
Authority
FR
France
Prior art keywords
films
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
Other languages
English (en)
Inventor
Andrew George Adamson
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.)
Still & Sons Ltd W M
WM Still and Sons Ltd
Original Assignee
Still & Sons Ltd W M
WM Still and Sons Ltd
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 claimed from GB2740730A external-priority patent/GB378394A/en
Application filed by Still & Sons Ltd W M, WM Still and Sons Ltd filed Critical Still & Sons Ltd W M
Application granted granted Critical
Publication of FR721911A publication Critical patent/FR721911A/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
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/795—Photosensitive materials characterised by the base or auxiliary layers the base being of macromolecular substances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/92—Fire or heat protection feature
    • Y10S428/921—Fire or flameproofing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31725—Of polyamide
    • Y10T428/31768—Natural source-type polyamide [e.g., casein, gelatin, etc.]
FR721911D 1930-09-13 1931-08-24 Perfectionnements aux films Expired FR721911A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1904113X 1930-09-13
GB2740730A GB378394A (en) 1931-03-05 1931-03-05 Improvements in or relating to films for photographic purposes

Publications (1)

Publication Number Publication Date
FR721911A true FR721911A (fr) 1932-03-09

Family

ID=26258794

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721911D Expired FR721911A (fr) 1930-09-13 1931-08-24 Perfectionnements aux films

Country Status (4)

Country Link
US (1) US1904113A (fr)
DE (1) DE565378C (fr)
FR (1) FR721911A (fr)
NL (2) NL58252B (fr)

Also Published As

Publication number Publication date
NL58252B (fr) 1900-01-01
US1904113A (en) 1933-04-18
NL31823C (fr) 1900-01-01
DE565378C (de) 1932-11-29

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