GR3036030T3 - Process for the purification of pentafluoroethane - Google Patents

Process for the purification of pentafluoroethane

Info

Publication number
GR3036030T3
GR3036030T3 GR20010400883T GR20010400883T GR3036030T3 GR 3036030 T3 GR3036030 T3 GR 3036030T3 GR 20010400883 T GR20010400883 T GR 20010400883T GR 20010400883 T GR20010400883 T GR 20010400883T GR 3036030 T3 GR3036030 T3 GR 3036030T3
Authority
GR
Greece
Prior art keywords
pentafluoroethane
chloropentafluoroethane
pct
purification
azeotrope
Prior art date
Application number
GR20010400883T
Other languages
English (en)
Inventor
Paul Nicholas Ewing
Stuart Corr
John Stuart Martin
Michael John Watson
Original Assignee
Ici Plc
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=GR3036030(T3) "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 Ici Plc filed Critical Ici Plc
Publication of GR3036030T3 publication Critical patent/GR3036030T3/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)
GR20010400883T 1994-04-08 2001-06-13 Process for the purification of pentafluoroethane GR3036030T3 (en)

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 (1)

Publication Number Publication Date
GR3036030T3 true GR3036030T3 (en) 2001-09-28

Family

ID=27267142

Family Applications (1)

Application Number Title Priority Date Filing Date
GR20010400883T GR3036030T3 (en) 1994-04-08 2001-06-13 Process for the purification of pentafluoroethane

Country Status (9)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994025419A1 (en) * 1993-04-30 1994-11-10 E.I. Du Pont De Nemours And Company AZEOTROPIC AND AZEOTROPE-LIKE COMPOSITIONS AND A PROCESS FOR SEPARATING HCl AND HALOCARBONS
US5718807A (en) * 1994-09-20 1998-02-17 E. I. Du Pont De Nemours And Company Purification process for hexafluoroethane products
ES2219225T3 (es) * 1995-07-14 2004-12-01 E.I. Dupont De Nemours And Company Proceso para separar hfc-32 y hfc-125.
WO1998015511A1 (en) * 1996-10-10 1998-04-16 Alliedsignal Inc. Process for separating pentafluoroethane and chloropentafluoroethane
WO1999010302A1 (fr) * 1997-08-21 1999-03-04 Daikin Industries, Ltd. Procede de preparation de pentafluoroethane
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 (en) * 1993-04-06 1996-01-24 E.I. Du Pont De Nemours And Company Separation of chloropentafluoroethane from pentafluoroethane
US5421964A (en) * 1993-04-30 1995-06-06 E. I. Du Pont De Nemours And Company Process for separating HCl and halocarbons
WO1994025419A1 (en) * 1993-04-30 1994-11-10 E.I. Du Pont De Nemours And Company AZEOTROPIC AND AZEOTROPE-LIKE COMPOSITIONS AND A PROCESS FOR SEPARATING HCl AND HALOCARBONS
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
EP0754171A1 (en) 1997-01-22
US5928479A (en) 1999-07-27
JPH09512793A (ja) 1997-12-22
ES2156939T3 (es) 2001-08-01
DE69520357T2 (de) 2001-06-28
EP0754171B1 (en) 2001-03-14
ATE199705T1 (de) 2001-03-15
PT754171E (pt) 2001-07-31
WO1995027689A1 (en) 1995-10-19
DE69520357D1 (de) 2001-04-19
JP3856820B2 (ja) 2006-12-13

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Legal Events

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