GR3020852T3 - Purification process of pentafluoroethane. - Google Patents

Purification process of pentafluoroethane.

Info

Publication number
GR3020852T3
GR3020852T3 GR960402209T GR960402209T GR3020852T3 GR 3020852 T3 GR3020852 T3 GR 3020852T3 GR 960402209 T GR960402209 T GR 960402209T GR 960402209 T GR960402209 T GR 960402209T GR 3020852 T3 GR3020852 T3 GR 3020852T3
Authority
GR
Greece
Prior art keywords
pentafluoroethane
purification process
purification
Prior art date
Application number
GR960402209T
Other languages
English (en)
Inventor
Atsuo Nishimura
Reiji Takahashi
Original Assignee
Showa Denko Kk
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14846650&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GR3020852(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Showa Denko Kk filed Critical Showa Denko Kk
Publication of GR3020852T3 publication Critical patent/GR3020852T3/el

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
    • C07C17/386—Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GR960402209T 1993-05-25 1996-08-22 Purification process of pentafluoroethane. GR3020852T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12286993 1993-05-25

Publications (1)

Publication Number Publication Date
GR3020852T3 true GR3020852T3 (en) 1996-11-30

Family

ID=14846650

Family Applications (1)

Application Number Title Priority Date Filing Date
GR960402209T GR3020852T3 (en) 1993-05-25 1996-08-22 Purification process of pentafluoroethane.

Country Status (10)

Country Link
US (1) US6179967B1 (el)
EP (1) EP0626362B1 (el)
KR (1) KR100333422B1 (el)
CN (1) CN1045288C (el)
AU (1) AU684757B2 (el)
BR (1) BR9402038A (el)
CA (1) CA2124282C (el)
DE (1) DE69400257T2 (el)
ES (1) ES2091069T3 (el)
GR (1) GR3020852T3 (el)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2140682T3 (es) * 1994-02-07 2000-03-01 Du Pont Procedimiento para separar pentafluoroetano de una mezcla que comprende hidrocarburos halogenados y cloropentafluoroetano.
WO1995021147A1 (en) * 1994-02-07 1995-08-10 E.I. Du Pont De Nemours And Company Process for separating pentafluoroethane from a mixture comprising halogenated hydrocarbons and chloropentafluoroethane
FR2716449B1 (fr) * 1994-02-24 1996-04-05 Atochem Elf Sa Procédé de purification du pentafluoroéthane.
US5470442A (en) * 1994-03-11 1995-11-28 E. I. Du Pont De Nemours And Company Separating and removing impurities from tetrafluoroethanes by using extractive distillation
US5723429A (en) * 1994-03-11 1998-03-03 E. I. Du Pont De Nemours And Company Azeotropic or azeotrope-like compositions of tetrafluoroethane and chlorotetrafluoroethane
EP0754171B1 (en) * 1994-04-08 2001-03-14 Imperial Chemical Industries Plc Process for the purification of pentafluoroethane
KR100348203B1 (ko) * 1994-08-17 2002-09-18 다이낑 고오교 가부시키가이샤 펜타플루오로에탄의제조방법
GB9417118D0 (en) * 1994-08-24 1994-10-12 Ici Plc Purification of pentafluoroethane
WO1996023752A1 (en) * 1995-02-01 1996-08-08 E.I. Du Pont De Nemours And Company SEPARATING AND REMOVING IMPURITIES FROM 1,1,1-TRIFLUOROETHANE (HFC-143a) BY USING EXTRACTIVE DISTILLATION
FR2730228B1 (fr) * 1995-02-07 1997-06-20 Atochem Elf Sa Procede de purification du pentafluoroethane
FR2752836B1 (fr) * 1996-08-30 1998-10-30 Atochem Elf Sa Purification du pentafluoroethane
FR2758137B1 (fr) * 1997-01-06 1999-02-26 Atochem Elf Sa Procede de purification du pentafluoroethane par distillation extractive
EP1003699B9 (en) * 1997-08-12 2004-01-07 E.I. Du Pont De Nemours And Company Purification of difluoromethane by extractive distillation
CN1120828C (zh) * 1999-11-10 2003-09-10 浙江省化工研究院 五氟乙烷的提纯方法
IT1318505B1 (it) * 2000-05-09 2003-08-27 Ausimont Spa Processo di purificazione del pentafluoroetano (hfc-125).
US7060165B2 (en) * 2002-02-14 2006-06-13 Pcbu Services, Inc. Processes for purification and production of fluorocarbons
FR2865731B1 (fr) * 2004-01-30 2007-09-07 Solvay Procede de fabrication d'un hydrofluoroalcane
CN100999438B (zh) * 2007-01-04 2010-10-06 西安近代化学研究所 五氟乙烷的提纯方法
JP5477011B2 (ja) * 2009-02-03 2014-04-23 セントラル硝子株式会社 （ｚ）−１−クロロ−３，３，３−トリフルオロプロペンの精製方法
JP5653928B2 (ja) * 2009-10-27 2015-01-14 昭和電工株式会社 フッ素含有化合物の精製方法
ES2820599T3 (es) * 2014-09-25 2021-04-21 Daikin Ind Ltd Composición que comprende HFC y HFO
JP6115550B2 (ja) 2014-11-17 2017-04-19 ダイキン工業株式会社 ＨＦＣ−２４５ｃｂと（Ｅ）−ＨＦＯ−１２３４ｚｅとを含有する組成物から両化合物を分離する方法
CN104557443B (zh) * 2014-12-03 2016-07-06 嵊州领航信息科技有限公司 一种制备五氟乙烷的系统和方法
EP3421445B1 (en) 2016-02-26 2023-08-30 Agc Inc. Method for purifying 1-chloro-2,3,3,3-tetrafluoropropene and (z)-1-chloro-2,3,3,3-tetrafluoropropene
CN114405041A (zh) * 2022-02-25 2022-04-29 明士新材料有限公司 一种用于电子级γ-丁内酯的精馏装置及其方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442589A (en) * 1946-03-19 1948-06-01 Atomic Energy Commission Purification of perfluoroheptane by azeotropic distillation with methyl ethyl ketone
NL264123A (el) * 1960-04-28
NL131714C (el) * 1963-02-06
CH471760A (de) * 1966-02-23 1969-04-30 Ciba Geigy Verfahren zur Trennung von Gemischen von aliphatischen Fluorverbindungen
US5087329A (en) * 1991-05-16 1992-02-11 E. I. Du Pont De Nemours And Company Process for separating pentafluoroethane from a mixture of halogenated hydrocarbons containing chloropentafluoroethane
JP3182869B2 (ja) * 1992-05-18 2001-07-03 ダイキン工業株式会社 ペンタフルオロエタンとペンタフルオロクロロエタンとの共沸混合物およびペンタフルオロクロロエタンの分離方法
DE59304392D1 (de) * 1992-06-13 1996-12-12 Hoechst Ag Verfahren zur Entfernung olefinischer Verunreinigungen aus fluorierten C3-C6-Kohlenwasserstoffen
US5346595A (en) * 1993-02-23 1994-09-13 Alliedsignal Inc. Process for the purification of a pentafluoroethane azeotrope

Also Published As

Publication number Publication date
EP0626362B1 (en) 1996-06-19
BR9402038A (pt) 1995-03-07
DE69400257T2 (de) 1997-02-13
CA2124282C (en) 2004-06-29
US6179967B1 (en) 2001-01-30
CN1045288C (zh) 1999-09-29
EP0626362A1 (en) 1994-11-30
ES2091069T3 (es) 1996-10-16
CN1098710A (zh) 1995-02-15
CA2124282A1 (en) 1994-11-26
AU6328394A (en) 1994-12-01
KR100333422B1 (ko) 2003-03-04
DE69400257D1 (de) 1996-07-25
AU684757B2 (en) 1998-01-08

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