FR558258A - Improvement in the preparation of photographic films - Google Patents

Improvement in the preparation of photographic films

Info

Publication number
FR558258A
FR558258A FR558258DA FR558258A FR 558258 A FR558258 A FR 558258A FR 558258D A FR558258D A FR 558258DA FR 558258 A FR558258 A FR 558258A
Authority
FR
France
Prior art keywords
improvement
preparation
photographic films
photographic
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
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of FR558258A publication Critical patent/FR558258A/en
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
    • C08L1/26—Cellulose ethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Moulding By Coating Moulds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
FR558258D 1921-11-04 1922-11-03 Improvement in the preparation of photographic films Expired FR558258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US513647A US1429179A (en) 1921-11-04 1921-11-04 Process of treating films

Publications (1)

Publication Number Publication Date
FR558258A true FR558258A (en) 1923-08-24

Family

ID=24044111

Family Applications (1)

Application Number Title Priority Date Filing Date
FR558258D Expired FR558258A (en) 1921-11-04 1922-11-03 Improvement in the preparation of photographic films

Country Status (2)

Country Link
US (1) US1429179A (en)
FR (1) FR558258A (en)

Also Published As

Publication number Publication date
US1429179A (en) 1922-09-12

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