FR754635A - Perfectionnements aux pellicules photographiques - Google Patents

Perfectionnements aux pellicules photographiques

Info

Publication number
FR754635A
FR754635A FR754635DA FR754635A FR 754635 A FR754635 A FR 754635A FR 754635D A FR754635D A FR 754635DA FR 754635 A FR754635 A FR 754635A
Authority
FR
France
Prior art keywords
enhancements
photographic film
photographic
film
film enhancements
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
John Lloyd Howell
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
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 FR754635A publication Critical patent/FR754635A/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
    • G03C1/775—Photosensitive materials characterised by the base or auxiliary layers the base being of paper
    • G03C1/785—Photosensitive materials characterised by the base or auxiliary layers the base being of paper translucent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Moulding By Coating Moulds (AREA)
FR754635D 1932-05-11 1933-04-22 Perfectionnements aux pellicules photographiques Expired FR754635A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1358432A GB398288A (en) 1932-05-11 1932-05-11 Improvements relating to films for photographic purposes

Publications (1)

Publication Number Publication Date
FR754635A true FR754635A (fr) 1933-11-10

Family

ID=10025615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR754635D Expired FR754635A (fr) 1932-05-11 1933-04-22 Perfectionnements aux pellicules photographiques

Country Status (2)

Country Link
FR (1) FR754635A (fr)
GB (1) GB398288A (fr)

Also Published As

Publication number Publication date
GB398288A (en) 1933-09-14

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