FR490897A - Perfectionnements relatifs à la fabrication du celluloid non inflammable - Google Patents

Perfectionnements relatifs à la fabrication du celluloid non inflammable

Info

Publication number
FR490897A
FR490897A FR490897DA FR490897A FR 490897 A FR490897 A FR 490897A FR 490897D A FR490897D A FR 490897DA FR 490897 A FR490897 A FR 490897A
Authority
FR
France
Prior art keywords
celluloid
flammable
manufacture
improvements relating
relating
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
Henry Dreyfus
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.)
Henry Dreyfuss Associates LLC
Original Assignee
Henry Dreyfuss Associates LLC
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 Henry Dreyfuss Associates LLC filed Critical Henry Dreyfuss Associates LLC
Application granted granted Critical
Publication of FR490897A publication Critical patent/FR490897A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/10—Esters of organic acids, i.e. acylates
    • C08L1/12—Cellulose acetate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR490897D 1917-09-14 1918-07-19 Perfectionnements relatifs à la fabrication du celluloid non inflammable Expired FR490897A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB490897X 1917-09-14

Publications (1)

Publication Number Publication Date
FR490897A true FR490897A (fr) 1919-05-13

Family

ID=1526970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR490897D Expired FR490897A (fr) 1917-09-14 1918-07-19 Perfectionnements relatifs à la fabrication du celluloid non inflammable

Country Status (1)

Country Link
FR (1) FR490897A (fr)

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