ATE199705T1 - Verfahren zur reinigung von pentafluorethan - Google Patents

Verfahren zur reinigung von pentafluorethan

Info

Publication number: ATE199705T1
Authority: AT; Austria
Prior art keywords: pentafluoroethane; chloropentafluoroethane; pct; pentafluorethane; purifying
Prior art date: 1994-04-08

Application number

AT95912358T

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.)

1994-04-08

Filing date

1995-03-27

Publication date

2001-03-15

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=ATE199705(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1994-04-08 Priority claimed from GB9406961A external-priority patent/GB9406961D0/en

1994-09-06 Priority claimed from GB9417868A external-priority patent/GB9417868D0/en

1994-10-11 Priority claimed from GB9420510A external-priority patent/GB9420510D0/en

1995-03-27 Application filed by Ici Plc filed Critical Ici Plc

2001-03-15 Application granted granted Critical

2001-03-15 Publication of ATE199705T1 publication Critical patent/ATE199705T1/de

Links

GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 title abstract 6
238000000034 method Methods 0.000 title abstract 2
RFCAUADVODFSLZ-UHFFFAOYSA-N 1-Chloro-1,1,2,2,2-pentafluoroethane Chemical compound FC(F)(F)C(F)(F)Cl RFCAUADVODFSLZ-UHFFFAOYSA-N 0.000 abstract 5
239000004340 Chloropentafluoroethane Substances 0.000 abstract 5
235000019406 chloropentafluoroethane Nutrition 0.000 abstract 5
230000003993 interaction Effects 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
238000000746 purification Methods 0.000 abstract 1

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)

AT95912358T 1994-04-08 1995-03-27 Verfahren zur reinigung von pentafluorethan ATE199705T1 (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 (1)

Publication Number	Publication Date
ATE199705T1 true ATE199705T1 (de)	2001-03-15

Family

ID=27267142

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT95912358T ATE199705T1 (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 (10)

* 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
DE69623781T2 (de) *	1995-07-14	2003-08-14	E.I. Du Pont De Nemours And Co., Wilmington	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
AU8647398A (en) *	1997-08-21	1999-03-16	Daikin Industries, Ltd.	Process for preparing pentafluoroethane
US6303838B1 (en) *	1997-10-17	2001-10-16	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
CN119431104B (zh) *	2024-10-14	2025-11-04	中船(邯郸)派瑞特种气体股份有限公司	一种去除五氟乙烷粗品中五氟一氯乙烷的方法及装置

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.
US5585529A (en) *	1993-04-06	1996-12-17	E. I. Du Pont De Nemours And Company	Separation of chloropentafluoroethane from pentafluoroethane
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
US5421964A (en) *	1993-04-30	1995-06-06	E. I. Du Pont De Nemours And Company	Process for separating HCl and halocarbons
AU684757B2 (en) *	1993-05-25	1998-01-08	Showa Denko Kabushiki Kaisha	Purification process of pentafluoroethane
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

1995
- 1995-03-27 WO PCT/GB1995/000672 patent/WO1995027689A1/en not_active Ceased
- 1995-03-27 DE DE69520357T patent/DE69520357T2/de not_active Expired - Lifetime
- 1995-03-27 ES ES95912358T patent/ES2156939T3/es not_active Expired - Lifetime
- 1995-03-27 AT AT95912358T patent/ATE199705T1/de not_active IP Right Cessation
- 1995-03-27 US US08/716,370 patent/US5928479A/en not_active Expired - Lifetime
- 1995-03-27 PT PT95912358T patent/PT754171E/pt unknown
- 1995-03-27 JP JP52595295A patent/JP3856820B2/ja not_active Expired - Lifetime
- 1995-03-27 EP EP95912358A patent/EP0754171B1/de not_active Expired - Lifetime
2001
- 2001-06-13 GR GR20010400883T patent/GR3036030T3/el not_active IP Right Cessation

Also Published As

Publication number	Publication date
GR3036030T3 (en)	2001-09-28
US5928479A (en)	1999-07-27
JPH09512793A (ja)	1997-12-22
EP0754171B1 (de)	2001-03-14
EP0754171A1 (de)	1997-01-22
DE69520357T2 (de)	2001-06-28
ES2156939T3 (es)	2001-08-01
WO1995027689A1 (en)	1995-10-19
DE69520357D1 (de)	2001-04-19
JP3856820B2 (ja)	2006-12-13
PT754171E (pt)	2001-07-31

Similar Documents

Publication	Publication Date	Title
DE69113106D1 (de)	1995-10-26	Verfahren zur Wiedergewinnung von Organozinnestern aus diese enthaltenden Reaktionsgemischen und Wiederverwendung der wiedergewonnenen Organozinnverbindungen.
DE69520357D1 (de)	2001-04-19	Verfahren zur reinigung von pentafluorethan
DE69116623D1 (de)	1996-03-07	Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan
DE69124494D1 (de)	1997-03-13	Kontinuierliches Verfahren zur Entfernung von Öldampf aus öl- und wasserdampfhaltigen Speisegasen
DE69634751D1 (de)	2005-06-23	MODIFIZIERTE METHIONINASE, DEREN VERWENDUNG, REKOMBINANTE WIRTsZELLEN DIE GROSSE MENGEN VON METHIONINASE PRODUZIEREN UND VERFAHREN ZUR AUFREINIGUNG VON METHIONINASE
DE69400257D1 (de)	1996-07-25	Verfahren zur Reinigung von Pentafluorethan
ATE155157T1 (de)	1997-07-15	Verfahren und vorrichtung zur reinigung von flüssigem polysiloxan und dessen anwendung
ATE91277T1 (de)	1993-07-15	Verfahren zur abtrennung von fluorwasserstoff, 1,1-dichlor-1-fluorethan und 1-chlor-1,1difluorethan aus deren mischungen.
ATE157341T1 (de)	1997-09-15	Verfahren zur entfernung von 2-chlor-1,1- difluorethylen aus 1,1,1,2-tetrafluorethan und co-produktion von 2-chlor-1,1,1,2-tetrafluorethan
DE69605368D1 (de)	2000-01-05	Verfahren zur Abtrennung durch Distillierung von Ethylen aus Mischungen von Ethylen und Buten-1
DE69617892D1 (de)	2002-01-24	Verfahren zur Erniedrigung des Gehaltes von Benzol und von leichten ungesättigten Verbindungen in Kohlenwasserstofffraktionen
DE69303093D1 (de)	1996-07-18	Verfahren zur Reinigung von einem Hydrofluoralkan
DE69209256D1 (de)	1996-04-25	Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan
DE69202014D1 (de)	1995-05-18	Verfahren zur Reinigung von gasförmigen organometallischen Verbindungen.
DE69100426D1 (de)	1993-11-04	Azeotrope destillationsverfahren zur rueckgewinnung von diamondoid-verbindungen aus kohlenwasserstoffstroemen.
ATE156725T1 (de)	1997-08-15	Verfahren zur reinigung von kondensierbaren organischen verunreinigungen enthaltenden gasen
ATE112544T1 (de)	1994-10-15	Verfahren zur entfernung von vinylidenchlorid und anderen ungesättigten verbindungen aus 1,1- dichlor-1-fluorethan.
ATE195502T1 (de)	2000-09-15	Verfahren zur reinigung von pentafluorethan
DE69432130D1 (de)	2003-03-20	Verfahren zur Abscheidung von Kohlendioxid aus Verbrennungsabgasen
ATE125575T1 (de)	1995-08-15	Verfahren zur destillativen reinigung quecksilberhaltiger stoffe bzw. stoffgemische.
DE69405189D1 (de)	1997-10-02	Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan
DE69405185D1 (de)	1997-10-02	Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan
DE69517182D1 (de)	2000-06-29	Verfahren zur reinigung von pentafluorethan
ATE211725T1 (de)	2002-01-15	Desallyherungsreagenz und verfahren zur desallyherung unter verwendung dieses reagenzes
ES2100212T3 (es)	1997-06-16	Procedimiento para la purificacion de mezclas que contienen ibuprofeno.

Legal Events

Date	Code	Title	Description
2001-09-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties