DE68901184D1 - Reinigungsverfahren fuer 2,2,3,3-tetrafluoroxetan. - Google Patents

Reinigungsverfahren fuer 2,2,3,3-tetrafluoroxetan.

Info

Publication number
DE68901184D1
DE68901184D1 DE8989101097T DE68901184T DE68901184D1 DE 68901184 D1 DE68901184 D1 DE 68901184D1 DE 8989101097 T DE8989101097 T DE 8989101097T DE 68901184 T DE68901184 T DE 68901184T DE 68901184 D1 DE68901184 D1 DE 68901184D1
Authority
DE
Germany
Prior art keywords
tetrafluoroxetane
cleaning method
cleaning
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 - Fee Related
Application number
DE8989101097T
Other languages
English (en)
Inventor
Yohnosuke Ohsaka
Shoji Takaki
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Application granted granted Critical
Publication of DE68901184D1 publication Critical patent/DE68901184D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D305/00—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms
    • C07D305/02—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings
    • C07D305/04—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D305/08—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring atoms
DE8989101097T 1988-01-23 1989-01-23 Reinigungsverfahren fuer 2,2,3,3-tetrafluoroxetan. Expired - Fee Related DE68901184D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63012998A JPH01190676A (ja) 1988-01-23 1988-01-23 ２，２，３，３−テトラフルオロオキセタンの精製方法

Publications (1)

Publication Number Publication Date
DE68901184D1 true DE68901184D1 (de) 1992-05-21

Family

ID=11820871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989101097T Expired - Fee Related DE68901184D1 (de) 1988-01-23 1989-01-23 Reinigungsverfahren fuer 2,2,3,3-tetrafluoroxetan.

Country Status (4)

Country Link
US (1) US4908460A (de)
EP (1) EP0326054B1 (de)
JP (1) JPH01190676A (de)
DE (1) DE68901184D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6720437B2 (en) 2001-02-07 2004-04-13 E. I. Du Pont De Nemours And Company Fluorinated carboxylic acid recovery and reuse
JP4561120B2 (ja) * 2004-02-24 2010-10-13 ユニマテック株式会社 ２，２，３，３−テトラフルオロオキセタンの製造法
KR20100126562A (ko) * 2008-03-27 2010-12-01 솔베이 플루오르 게엠베하 특정 흡수제를 이용하여 ｈｆ가 감소된 불소화 유기 카보네이트를 제조하는 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2924607A (en) * 1957-10-18 1960-02-09 Du Pont Preparation of oxetanes
IT1200385B (it) * 1985-02-13 1989-01-18 Montefluos Spa Fluidi a struttura oxetanica aventi migliorate caratteristiche per applicazioni speicali
US4886581A (en) * 1986-07-03 1989-12-12 Daikin Industries Ltd. Removal of hydrogen fluoride from 2,2,3,3-tetra-fluorooxetane
JPH0197277A (ja) * 1987-10-07 1989-04-14 Takamatsu Yushi Kk 変色性の改善された抗菌性繊維製品

Also Published As

Publication number Publication date
EP0326054B1 (de) 1992-04-15
JPH0529353B2 (de) 1993-04-30
EP0326054A1 (de) 1989-08-02
JPH01190676A (ja) 1989-07-31
US4908460A (en) 1990-03-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee