DE69715234D1 - Verfahren zur reinigung von 1,1-difluorethan - Google Patents

Verfahren zur reinigung von 1,1-difluorethan

Info

Publication number: DE69715234D1
Authority: DE; Germany
Prior art keywords: difluorethane; purifying
Prior art date: 1996-11-01
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

DE69715234T

Other languages

English (en)

Other versions

DE69715234T2 (de

Inventor

Newton Miller

Asher Mahler

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.)

EIDP Inc

Original Assignee

EI Du Pont de Nemours and Co

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.)

1996-11-01

Filing date

1997-10-30

Publication date

2002-10-10

1997-10-30 Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co

2002-10-10 Publication of DE69715234D1 publication Critical patent/DE69715234D1/de

2003-05-08 Application granted granted Critical

2003-05-08 Publication of DE69715234T2 publication Critical patent/DE69715234T2/de

2017-10-31 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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)

DE69715234T 1996-11-01 1997-10-30 Verfahren zur reinigung von 1,1-difluorethan Expired - Fee Related DE69715234T2 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US3014896P	1996-11-01	1996-11-01
US08/959,869 US5874657A (en)	1996-11-01	1997-10-29	Process for the purification of 1,1-difluoroethane
PCT/US1997/019745 WO1998019982A1 (en)	1996-11-01	1997-10-30	Process for the purification of 1,1-difluoroethane

Publications (2)

Publication Number	Publication Date
DE69715234D1 true DE69715234D1 (de)	2002-10-10
DE69715234T2 DE69715234T2 (de)	2003-05-08

Family

ID=26705716

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69715234T Expired - Fee Related DE69715234T2 (de)	1996-11-01	1997-10-30	Verfahren zur reinigung von 1,1-difluorethan

Country Status (7)

Country	Link
US (1)	US5874657A (de)
EP (1)	EP0935593B1 (de)
JP (1)	JP2001505874A (de)
CN (1)	CN1116256C (de)
DE (1)	DE69715234T2 (de)
ES (1)	ES2182125T3 (de)
WO (1)	WO1998019982A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2771737B1 (fr)	1997-12-01	2000-02-04	Solvay	Procedes de production et d'epuration de 1,1-difluoroethane et produit ainsi obtenu
US6358434B1 (en) *	2001-05-21	2002-03-19	Ato Fina Chemicals, Inc.	Blowing agent blends
CN1997615B (zh) *	2004-06-23	2013-03-13	埃克森美孚化学专利公司	分离混合物组分的方法
US8692038B2 (en) *	2009-10-27	2014-04-08	Showa Denko K.K.	Fluorine-containing compound purification method
CN102101823B (zh) *	2009-12-16	2013-08-28	中化蓝天集团有限公司	一种1，1-二氟乙烷的气相提纯方法
CN102101822B (zh) *	2009-12-16	2013-08-28	中化蓝天集团有限公司	一种1,1-二氟乙烷的液相提纯方法
WO2012079011A1 (en) *	2010-12-10	2012-06-14	E. I. Du Pont De Nemours And Company	Purification of cis-1,1,1,4,4,4-hexafluoro-2-butene via extractive distillation
SG2014014757A (en) *	2011-09-29	2014-08-28	Univ Tokyo Metropolitan	Highly accurate correlating method for phase equilibrium data, and phase balance calculation method
GB201307327D0 (en) *	2013-04-23	2013-05-29	Mexichem Amanco Holding Sa	Process
GB201410174D0 (en)	2014-06-09	2014-07-23	Mexichem Amanco Holding Sa	Process
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
FR3032706B1 (fr) *	2015-02-17	2019-10-11	Arkema France	Procede de separation du 2-chloro-1,1-difluoroethane et du trans-dichloroethylene
FR3046160B1 (fr)	2015-12-23	2019-12-13	Arkema France	Procede de preparation du 2,3,3,3-tetrafluoro-1-propene et recyclage du 2-chloro-3,3,3-trifluoropropene exempt d'impuretes.
FR3046165B1 (fr)	2015-12-23	2019-12-13	Arkema France	Procede de production et de purification du 2,3,3,3-tetrafluoro-1-propene
FR3046159B1 (fr)	2015-12-23	2019-12-13	Arkema France	Procede de preparation du 2,3,3,3-tetrafluoropropene et recyclage du 1,1,1,2,2-pentafluoropropane exempt d'impuretes.
FR3046162B1 (fr)	2015-12-23	2019-12-13	Arkema France	Procede de production et de purification du 2,3,3,3-tetrafluoro-1-propene.
FR3046161B1 (fr)	2015-12-23	2019-12-13	Arkema France	Procede de production et de purification du 2,3,3,3-tetrafluoro-1-propene.
FR3046164B1 (fr)	2015-12-23	2021-01-08	Arkema France	Procede de production et de purification du 2,3,3,3-tetrafluoropropene.
FR3064628B1 (fr)	2017-03-28	2019-04-05	Arkema France	Procede de production et de purification du 2,3,3,3-tetrafluoropropene
FR3064629B1 (fr)	2017-03-28	2019-04-05	Arkema France	Procede de production et de purification du 2,3,3,3-tetrafluoro-1-propene
FR3065726B1 (fr)	2017-04-28	2019-04-19	Arkema France	Procede de production et de purification du 2,3,3,3-tetrafluoropropene.
GB2583934A (en) *	2019-05-14	2020-11-18	Mexichem Fluor Sa De Cv	Purification process
CN112608216B (zh) *	2020-11-23	2022-01-21	浙江衢化氟化学有限公司	一种联产1,1-二氟乙烷和氯乙烯的方法
CN113979831B (zh) *	2021-11-11	2024-01-26	重庆大学	一种正己烷和1,2-二氯乙烷混合液的节能分离方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3819493A (en) *	1973-04-26	1974-06-25	Phillips Petroleum Co	Process for separating halogenated hydrocarbons by extractive distillation
US5001287A (en) *	1989-02-02	1991-03-19	E. I. Du Pont De Nemours And Company	Purification of saturated halocarbons
GB9018372D0 (en) *	1990-08-21	1990-10-03	Ici Plc	Separation process
US5095158A (en) *	1991-05-10	1992-03-10	Atochem North America, Inc.	Solvent extraction of VDC from I-141b
FR2689503B1 (fr) *	1992-04-03	1994-06-10	Solvay	Procede d'epuration d'un hydrofluoroalcane.
JP3848361B2 (ja) *	1994-02-07	2006-11-22	イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー	ハロゲン化炭化水素とクロロペンタフルオロエタンとを含む混合物からペンタフルオロエタンを分離する方法
EP0743933B1 (de) *	1994-02-07	1999-06-09	E.I. Du Pont De Nemours And Company	Verfahren zur trennung von pentafluorethan aus einer mischung von halogenierten kohlenwasserstoffen und chloropentafluorethan
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

1997
- 1997-10-29 US US08/959,869 patent/US5874657A/en not_active Expired - Fee Related
- 1997-10-30 CN CN97199127A patent/CN1116256C/zh not_active Expired - Fee Related
- 1997-10-30 DE DE69715234T patent/DE69715234T2/de not_active Expired - Fee Related
- 1997-10-30 JP JP52157098A patent/JP2001505874A/ja not_active Ceased
- 1997-10-30 ES ES97946392T patent/ES2182125T3/es not_active Expired - Lifetime
- 1997-10-30 WO PCT/US1997/019745 patent/WO1998019982A1/en not_active Ceased
- 1997-10-30 EP EP97946392A patent/EP0935593B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JP2001505874A (ja)	2001-05-08
EP0935593B1 (de)	2002-09-04
CN1234788A (zh)	1999-11-10
US5874657A (en)	1999-02-23
WO1998019982A1 (en)	1998-05-14
CN1116256C (zh)	2003-07-30
EP0935593A1 (de)	1999-08-18
ES2182125T3 (es)	2003-03-01
DE69715234T2 (de)	2003-05-08

Publication	Publication Date	Title
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DE69914773D1 (de)	2004-03-18	Verfahren zur reinigung von 1,3-propandiol
DE69715234D1 (de)	2002-10-10	Verfahren zur reinigung von 1,1-difluorethan
DE69910557D1 (de)	2003-09-25	Verfahren zur reinigung von aminonitrilen
DE69709061D1 (de)	2002-01-24	Verfahren zur umsetzung von ethylbenzol
DE69712495D1 (de)	2002-06-13	Verfahren zur herstellung von alkylierten benzolen
DE69801489D1 (de)	2001-10-04	Verfahren zur herstellung von 1,1,1,3,3-pentafluorpropan
DE59708146D1 (de)	2002-10-10	Verfahren zur herstellung von polyalkoholen
DE69618020D1 (de)	2002-01-24	Verfahren zur herstellung von hydrofluorethern
DE69715424D1 (de)	2002-10-17	Verfahren zur halogenierung von isoolefin-para-alkylstyrol-copolymeren
DE69725000D1 (de)	2003-10-23	Verfahren zur druckformung von gegenständen
DE69727395D1 (de)	2004-03-04	Verfahren zur olefinisomerisierung
DE69512250D1 (de)	1999-10-21	Verfahren zur herstellung von 1,1,1,3,3,3- hexafluorpropan
DE69715884D1 (de)	2002-10-31	Verfahren zur reinigung von lactamen
DE69711669D1 (de)	2002-05-08	VERFAHREN ZUR HERSTELLUNG VON d,1-ALPHA-TOCOPHEROL
DE69706179D1 (de)	2001-09-20	Verfahren zur reinigung von schwefelwasserstoff-enthaltenden gasen
DE69710078D1 (de)	2002-03-14	Verfahren zur reinigung von 1,1,1,3,3-pentafluorpropan
DE69726441D1 (de)	2004-01-08	Verfahren zur herstellung von 1,3-dioxolan-4-methanol-verbindungen
ATE194850T1 (de)	2000-08-15	Verfahren zur herstellung von peroxiperfluoropolyxyalkylene
DE59705109D1 (de)	2001-11-29	Verfahren zur herstellung von arylcyanaten
ATE118498T1 (de)	1995-03-15	Verfahren zur reinigung von n- phosphonmethylglyzin.
DE69501300D1 (de)	1998-02-05	Verfahren zur reinigung von fluormethyl-1,1,1,3,3,3-hexafluorisopropylether
DE69510087D1 (de)	1999-07-08	Verfahren zur herstellung von 5-chlor-2,3-dihydro-1h-inden-1-on
DE59704683D1 (de)	2001-10-25	Verfahren zur herstellung von 6-aminocapronitril
ATE238994T1 (de)	2003-05-15	Verfahren zur herstellung von n-substituierten 3- hydroxypyrazolen

Legal Events

Date	Code	Title	Description
2003-10-02	8364	No opposition during term of opposition
2009-08-20	8339	Ceased/non-payment of the annual fee