FR2160891B1 - - Google Patents

Info

Publication number
FR2160891B1
FR2160891B1 FR7241242A FR7241242A FR2160891B1 FR 2160891 B1 FR2160891 B1 FR 2160891B1 FR 7241242 A FR7241242 A FR 7241242A FR 7241242 A FR7241242 A FR 7241242A FR 2160891 B1 FR2160891 B1 FR 2160891B1
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
FR7241242A
Other versions
FR2160891A1 (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.)
Kao Corp
Original Assignee
Kao Corp
Kao Soap Co Ltd
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 Kao Corp, Kao Soap Co Ltd filed Critical Kao Corp
Publication of FR2160891A1 publication Critical patent/FR2160891A1/fr
Application granted granted Critical
Publication of FR2160891B1 publication Critical patent/FR2160891B1/fr
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
    • 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
FR7241242A 1971-11-22 1972-11-21 Expired FR2160891B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46093933A JPS525080B2 (fr) 1971-11-22 1971-11-22

Publications (2)

Publication Number Publication Date
FR2160891A1 FR2160891A1 (fr) 1973-07-06
FR2160891B1 true FR2160891B1 (fr) 1975-03-28

Family

ID=14096224

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7241242A Expired FR2160891B1 (fr) 1971-11-22 1972-11-21

Country Status (9)

Country Link
US (1) US3891715A (fr)
JP (1) JPS525080B2 (fr)
CA (1) CA974344A (fr)
DE (1) DE2256416B2 (fr)
ES (1) ES408706A1 (fr)
FR (1) FR2160891B1 (fr)
GB (1) GB1375749A (fr)
IT (1) IT971107B (fr)
NL (1) NL162404C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54121582A (en) * 1978-03-15 1979-09-20 Matsushita Electric Works Ltd Rotatable hanger for lighting instrument
JPS59124932A (ja) * 1983-01-04 1984-07-19 Hitachi Maxell Ltd 有機物ポリマ−電解質
US5001277A (en) * 1989-02-14 1991-03-19 Arco Chemical Technology, Inc. Polymerization of tetrahydrofuran with fuming sulphuric acid and a complex anion cocatalyst
US20080256905A1 (en) * 2007-04-23 2008-10-23 Michael Graf Valve bag placing system and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856370A (en) * 1953-09-09 1958-10-14 Du Pont Process for polymerizing cyclic ethers with phosphorous pentafluoride
US2751419A (en) * 1954-09-13 1956-06-19 Du Pont Process for purification of polytetramethyleneether
US3254056A (en) * 1960-05-23 1966-05-31 Goodyear Tire & Rubber Polyurethane elastomers from a polyether bis-chloroformate and a diamine
US3358042A (en) * 1963-09-20 1967-12-12 Quaker Oats Co Process for recovering polytetramethylene ether glycol
US3454652A (en) * 1966-09-22 1969-07-08 Ouaker Oats Co The Process for production of tetrahydrofuran polymers
JPS4825438B1 (fr) * 1969-03-03 1973-07-28
JPS4825439B1 (fr) * 1969-03-18 1973-07-28

Also Published As

Publication number Publication date
NL162404C (nl) 1980-05-16
DE2256416A1 (de) 1973-05-30
JPS4856794A (fr) 1973-08-09
FR2160891A1 (fr) 1973-07-06
CA974344A (en) 1975-09-09
IT971107B (it) 1974-04-30
ES408706A1 (es) 1975-11-01
JPS525080B2 (fr) 1977-02-09
DE2256416B2 (de) 1977-11-17
GB1375749A (fr) 1974-11-27
US3891715A (en) 1975-06-24
NL7215838A (fr) 1973-05-24
NL162404B (nl) 1979-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse