NL7112707A - - Google Patents

Info

Publication number
NL7112707A
NL7112707A NL7112707A NL7112707A NL7112707A NL 7112707 A NL7112707 A NL 7112707A NL 7112707 A NL7112707 A NL 7112707A NL 7112707 A NL7112707 A NL 7112707A NL 7112707 A NL7112707 A NL 7112707A
Authority
NL
Netherlands
Application number
NL7112707A
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 filed Critical
Publication of NL7112707A publication Critical patent/NL7112707A/xx

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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
    • C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
    • C08G65/16—Cyclic ethers having four or more ring atoms
    • C08G65/20—Tetrahydrofuran

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
NL7112707A 1970-09-16 1971-09-15 NL7112707A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45081007A JPS4928917B1 (xx) 1970-09-16 1970-09-16

Publications (1)

Publication Number Publication Date
NL7112707A true NL7112707A (xx) 1972-03-20

Family

ID=13734441

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7112707A NL7112707A (xx) 1970-09-16 1971-09-15

Country Status (8)

Country Link
US (1) US3778480A (xx)
JP (1) JPS4928917B1 (xx)
CA (1) CA934895A (xx)
DE (1) DE2146231B2 (xx)
ES (1) ES395069A1 (xx)
FR (1) FR2107678A5 (xx)
GB (1) GB1326526A (xx)
NL (1) NL7112707A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371713A (en) * 1980-11-04 1983-02-01 Japan Synthetic Rubber Co., Ltd. Process for the preparation of polyether glycol
JPS58130109U (ja) * 1982-02-26 1983-09-02 三菱電機株式会社 複合材料構造体の接合部構造
JPS5920009U (ja) * 1982-07-28 1984-02-07 伊藤　静 接続具
US5001277A (en) * 1989-02-14 1991-03-19 Arco Chemical Technology, Inc. Polymerization of tetrahydrofuran with fuming sulphuric acid and a complex anion cocatalyst
US5393866A (en) * 1992-11-11 1995-02-28 Mitsubishi Kasei Corporation Method for the production of polytetramethylene ether glycol

Also Published As

Publication number Publication date
FR2107678A5 (xx) 1972-05-05
DE2146231A1 (de) 1972-03-23
US3778480A (en) 1973-12-11
DE2146231B2 (de) 1978-01-12
JPS4928917B1 (xx) 1974-07-30
GB1326526A (en) 1973-08-15
CA934895A (en) 1973-10-02
ES395069A1 (es) 1973-12-16

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Legal Events

Date Code Title Description
BV The patent application has lapsed