FR2133839B1 - - Google Patents

Info

Publication number
FR2133839B1
FR2133839B1 FR7213533A FR7213533A FR2133839B1 FR 2133839 B1 FR2133839 B1 FR 2133839B1 FR 7213533 A FR7213533 A FR 7213533A FR 7213533 A FR7213533 A FR 7213533A FR 2133839 B1 FR2133839 B1 FR 2133839B1
Authority
FR
France
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
FR7213533A
Other languages
French (fr)
Other versions
FR2133839A1 (OSRAM
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
Publication of FR2133839A1 publication Critical patent/FR2133839A1/fr
Application granted granted Critical
Publication of FR2133839B1 publication Critical patent/FR2133839B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/22—Post-esterification treatments, including purification
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Paints Or Removers (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FR7213533A 1971-04-21 1972-04-18 Expired FR2133839B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13616071A 1971-04-21 1971-04-21

Publications (2)

Publication Number Publication Date
FR2133839A1 FR2133839A1 (OSRAM) 1972-12-01
FR2133839B1 true FR2133839B1 (OSRAM) 1976-08-06

Family

ID=22471594

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7213533A Expired FR2133839B1 (OSRAM) 1971-04-21 1972-04-18

Country Status (3)

Country Link
DE (1) DE2219093A1 (OSRAM)
FR (1) FR2133839B1 (OSRAM)
GB (1) GB1384082A (OSRAM)

Also Published As

Publication number Publication date
DE2219093A1 (de) 1972-11-02
GB1384082A (en) 1975-02-19
FR2133839A1 (OSRAM) 1972-12-01

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Legal Events

Date Code Title Description
ST Notification of lapse