DE69520357D1 - Verfahren zur reinigung von pentafluorethan - Google Patents

Verfahren zur reinigung von pentafluorethan

Info

Publication number
DE69520357D1
DE69520357D1 DE69520357T DE69520357T DE69520357D1 DE 69520357 D1 DE69520357 D1 DE 69520357D1 DE 69520357 T DE69520357 T DE 69520357T DE 69520357 T DE69520357 T DE 69520357T DE 69520357 D1 DE69520357 D1 DE 69520357D1
Authority
DE
Germany
Prior art keywords
pentafluoroethane
chloropentafluoroethane
pct
pentafluorethane
purifying
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 - Lifetime
Application number
DE69520357T
Other languages
English (en)
Other versions
DE69520357T2 (de
Inventor
Nicholas Ewing
Stuart Corr
Stuart Martin
John Watson
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.)
Ineos Fluor Holdings Ltd
Original Assignee
Imperial Chemical 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27267142&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69520357(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB9406961A external-priority patent/GB9406961D0/en
Priority claimed from GB9417868A external-priority patent/GB9417868D0/en
Priority claimed from GB9420510A external-priority patent/GB9420510D0/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE69520357D1 publication Critical patent/DE69520357D1/de
Application granted granted Critical
Publication of DE69520357T2 publication Critical patent/DE69520357T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE69520357T 1994-04-08 1995-03-27 Verfahren zur reinigung von pentafluorethan Expired - Lifetime DE69520357T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9406961A GB9406961D0 (en) 1994-04-08 1994-04-08 Process for the purification of pentafluoroethane
GB9417868A GB9417868D0 (en) 1994-09-06 1994-09-06 Process for the purification of pentafluoroethane
GB9420510A GB9420510D0 (en) 1994-10-11 1994-10-11 Process for the purification of pentafluoroethane
PCT/GB1995/000672 WO1995027689A1 (en) 1994-04-08 1995-03-27 Process for the purification of pentafluoroethane

Publications (2)

Publication Number Publication Date
DE69520357D1 true DE69520357D1 (de) 2001-04-19
DE69520357T2 DE69520357T2 (de) 2001-06-28

Family

ID=27267142

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69520357T Expired - Lifetime DE69520357T2 (de) 1994-04-08 1995-03-27 Verfahren zur reinigung von pentafluorethan

Country Status (9)

Country Link
US (1) US5928479A (de)
EP (1) EP0754171B1 (de)
JP (1) JP3856820B2 (de)
AT (1) ATE199705T1 (de)
DE (1) DE69520357T2 (de)
ES (1) ES2156939T3 (de)
GR (1) GR3036030T3 (de)
PT (1) PT754171E (de)
WO (1) WO1995027689A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69417024T2 (de) * 1993-04-30 1999-11-04 E.I. Du Pont De Nemours And Co., Wilmington AZEOTROPE UND AZEOTROPARTIGE ZUSAMMENSETZUNGEN UND VERFAHREN ZUR TRENNUNG VON HCl UND HALOGENKOHLENWASSERSTOFFEN
US5718807A (en) * 1994-09-20 1998-02-17 E. I. Du Pont De Nemours And Company Purification process for hexafluoroethane products
EP0840719B1 (de) * 1995-07-14 2002-09-18 E.I. Du Pont De Nemours And Company Distillationsverfahren zum Rückgewinnen von HFC-125 und HFC-32
WO1998015511A1 (en) * 1996-10-10 1998-04-16 Alliedsignal Inc. Process for separating pentafluoroethane and chloropentafluoroethane
EP1026139B1 (de) 1997-08-21 2003-10-22 Daikin Industries, Limited Verfahren zur herstellung von pentafluorethan
WO1999020585A1 (en) * 1997-10-17 1999-04-29 E.I. Du Pont De Nemours And Company Separating 1,1,1,3,3-pentafluoropropane from hydrogen fluoride
US7189311B2 (en) * 2001-03-23 2007-03-13 Honeywell International Inc. Purification of difluoromethane
US7060165B2 (en) 2002-02-14 2006-06-13 Pcbu Services, Inc. Processes for purification and production of fluorocarbons
US7273835B2 (en) * 2004-08-04 2007-09-25 Honeywell International Inc. Azeotrope-like compositions of difluoromethane

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732150A (en) * 1971-10-22 1973-05-08 Phillips Petroleum Co Process for separating halogenated hydrocarbons by azeotropic distillation with ammonia
US4843181A (en) * 1987-10-22 1989-06-27 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane
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
IT1252659B (it) * 1991-12-23 1995-06-20 Ausimont Spa Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano e dell'1,1,1-trifluoro-2,2-dicloroetano
US5346595A (en) * 1993-02-23 1994-09-13 Alliedsignal Inc. Process for the purification of a pentafluoroethane azeotrope
FR2701943B1 (fr) * 1993-02-24 1995-05-12 Atochem Elf Sa Purification du pentafluoroéthane.
EP0693047A1 (de) * 1993-04-06 1996-01-24 E.I. Du Pont De Nemours And Company Abtrennung von chlorpentafluorethan aus pentafluorethan
US5421964A (en) * 1993-04-30 1995-06-06 E. I. Du Pont De Nemours And Company Process for separating HCl and halocarbons
DE69417024T2 (de) * 1993-04-30 1999-11-04 E.I. Du Pont De Nemours And Co., Wilmington AZEOTROPE UND AZEOTROPARTIGE ZUSAMMENSETZUNGEN UND VERFAHREN ZUR TRENNUNG VON HCl UND HALOGENKOHLENWASSERSTOFFEN
BR9402038A (pt) * 1993-05-25 1995-03-07 Showa Denko Kk Processo de purificação de pentaflúor etano
JP3262454B2 (ja) * 1993-05-25 2002-03-04 昭和電工株式会社 ペンタフルオロエタンの精製方法

Also Published As

Publication number Publication date
ES2156939T3 (es) 2001-08-01
ATE199705T1 (de) 2001-03-15
EP0754171A1 (de) 1997-01-22
EP0754171B1 (de) 2001-03-14
DE69520357T2 (de) 2001-06-28
WO1995027689A1 (en) 1995-10-19
PT754171E (pt) 2001-07-31
JP3856820B2 (ja) 2006-12-13
GR3036030T3 (en) 2001-09-28
US5928479A (en) 1999-07-27
JPH09512793A (ja) 1997-12-22

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: INEOS FLUOR HOLDINGS LTD., SOUTHAMPTON, HAMPSHIRE,

8364 No opposition during term of opposition