FR83898E - Improvements to the preparation of high molecular weight polyoxymethylene - Google Patents

Improvements to the preparation of high molecular weight polyoxymethylene

Info

Publication number
FR83898E
FR83898E FR939827A FR939827A FR83898E FR 83898 E FR83898 E FR 83898E FR 939827 A FR939827 A FR 939827A FR 939827 A FR939827 A FR 939827A FR 83898 E FR83898 E FR 83898E
Authority
FR
France
Prior art keywords
preparation
molecular weight
high molecular
weight polyoxymethylene
polyoxymethylene
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
FR939827A
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.)
WR Grace and Co
Original Assignee
WR Grace and 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 WR Grace and Co filed Critical WR Grace and Co
Priority to FR939827A priority Critical patent/FR83898E/en
Application granted granted Critical
Publication of FR83898E publication Critical patent/FR83898E/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/02—Polymerisation initiated by wave energy or by particle radiation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/10—Polymerisation of cyclic oligomers of formaldehyde

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR939827A 1960-12-01 1963-06-28 Improvements to the preparation of high molecular weight polyoxymethylene Expired FR83898E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR939827A FR83898E (en) 1960-12-01 1963-06-28 Improvements to the preparation of high molecular weight polyoxymethylene

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US7286560A 1960-12-01 1960-12-01
US11851161A 1961-06-21 1961-06-21
FR939827A FR83898E (en) 1960-12-01 1963-06-28 Improvements to the preparation of high molecular weight polyoxymethylene
US56246766A 1966-07-05 1966-07-05

Publications (1)

Publication Number Publication Date
FR83898E true FR83898E (en) 1964-10-31

Family

ID=27445609

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939827A Expired FR83898E (en) 1960-12-01 1963-06-28 Improvements to the preparation of high molecular weight polyoxymethylene

Country Status (1)

Country Link
FR (1) FR83898E (en)

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