DE69413995D1 - Herstellung von fluorenthaltenden dihalomethanen und azeotropen chlorenthaltenden dihalomethanen mit hf - Google Patents

Herstellung von fluorenthaltenden dihalomethanen und azeotropen chlorenthaltenden dihalomethanen mit hf

Info

Publication number
DE69413995D1
DE69413995D1 DE69413995T DE69413995T DE69413995D1 DE 69413995 D1 DE69413995 D1 DE 69413995D1 DE 69413995 T DE69413995 T DE 69413995T DE 69413995 T DE69413995 T DE 69413995T DE 69413995 D1 DE69413995 D1 DE 69413995D1
Authority
DE
Germany
Prior art keywords
dihalomethanes
azeotropic
chlorine
fluorine
production
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
DE69413995T
Other languages
English (en)
Other versions
DE69413995T2 (de
Inventor
Paul Furmanek
David Glasscock
Michael Keane
Barry Mahler
Velliyur Rao
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.)
Filing date
Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE69413995D1 publication Critical patent/DE69413995D1/de
Application granted granted Critical
Publication of DE69413995T2 publication Critical patent/DE69413995T2/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
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
    • C07C19/10—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69413995T 1993-11-01 1994-10-31 Herstellung von fluorenthaltenden dihalomethanen und azeotropen chlorenthaltenden dihalomethanen mit hf Expired - Lifetime DE69413995T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/146,334 US6274781B1 (en) 1993-11-01 1993-11-01 Production of dihalomethanes containing fluorine and azeotropes of dihalomethanes containing chlorine with HF
PCT/US1994/012473 WO1995012563A1 (en) 1993-11-01 1994-10-31 Production of dihalomethanes containing fluorine and azeotropes of dihalomethanes containing chlorine with hf

Publications (2)

Publication Number Publication Date
DE69413995D1 true DE69413995D1 (de) 1998-11-19
DE69413995T2 DE69413995T2 (de) 1999-03-25

Family

ID=22516899

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69413995T Expired - Lifetime DE69413995T2 (de) 1993-11-01 1994-10-31 Herstellung von fluorenthaltenden dihalomethanen und azeotropen chlorenthaltenden dihalomethanen mit hf

Country Status (6)

Country Link
US (2) US6274781B1 (de)
EP (1) EP0726887B1 (de)
JP (1) JP4087899B2 (de)
DE (1) DE69413995T2 (de)
ES (1) ES2124434T3 (de)
WO (1) WO1995012563A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6676809B1 (en) * 1992-02-07 2004-01-13 Daikin Industries Ltd. Process for removal of hydrogen fluoride
KR100295306B1 (ko) 1992-04-13 2001-09-17 이노우에 노리유끼 플루오르화수소의제거방법
GB9407257D0 (en) * 1993-04-22 1994-06-08 Ici Plc Vaporisation of liquids
DE69500938T2 (de) * 1994-02-28 1998-04-30 Atochem Elf Sa Verfahren zur Trennung von Fluorwasserstoff und Difluormethan
US5545774A (en) * 1994-12-08 1996-08-13 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1,3,3,3-hexafluoropropane
FR2736050B1 (fr) 1995-06-29 1997-08-01 Atochem Elf Sa Procede de fabrication du difluoromethane
US6755942B1 (en) 1995-08-01 2004-06-29 E. I. Du Pont De Nemours And Company Process for the manufacture of halocarbons and selected compounds and azeotropes with HF
US5763708A (en) 1995-09-20 1998-06-09 Allied Signal Inc. Process for the production of difluoromethane
FR2748022B1 (fr) * 1996-04-29 1998-07-24 Atochem Elf Sa Procede de fabrication du difluoromethane
US7273835B2 (en) * 2004-08-04 2007-09-25 Honeywell International Inc. Azeotrope-like compositions of difluoromethane
TWI573971B (zh) 2011-01-31 2017-03-11 杜邦股份有限公司 使用包含ｚ－１，１，１，４，４，４－六氟－２－丁烯之工作流體製熱
US9022723B2 (en) 2012-03-27 2015-05-05 General Electric Company System for drawing solid feed into and/or out of a solid feed pump

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB468447A (en) * 1936-01-03 1937-07-05 Fred Davison Leicester Improvements in or relating to the manufacture of fluorine derivatives of aliphatic hydrocarbons
BE563523A (de) * 1957-01-14
DE1443184A1 (de) * 1960-02-09 1968-10-17 Union Carbide Corp Verfahren zur Herstellung von Chlorpentafluoraethan
US3632834A (en) * 1968-10-23 1972-01-04 Du Pont Process for preparing trichlorotrifluoroethane and dichlorotetrafluoroethane
US4147733A (en) 1978-05-22 1979-04-03 The Dow Chemical Company Fluorination of chlorinated hydrocarbons
JPS59225131A (ja) 1983-06-06 1984-12-18 Showa Denko Kk ジフルオロメタンの製造方法
EP0128510A3 (de) 1983-06-07 1985-05-15 Showa Denko Kabushiki Kaisha Verfahren zur Herstellung von Difluormethan
JPS6013726A (ja) * 1983-07-04 1985-01-24 Showa Denko Kk フルオロメタンの製造方法
US4944846A (en) * 1988-08-01 1990-07-31 E. I. Dupont De Nemours And Company Process for the separation of HF via Azeotropic distillation
US5036036A (en) 1989-06-13 1991-07-30 E. I. Du Pont De Nemours And Company Chromium oxide catalyst composition
GB9107677D0 (en) 1991-04-11 1991-05-29 Ici Plc Chemical process
US5136113A (en) 1991-07-23 1992-08-04 E. I. Du Pont De Nemours And Company Catalytic hydrogenolysis
US5208395A (en) 1992-04-06 1993-05-04 Elf Atochem North America, Inc. Manufacture of hydrofluorocarbons
KR100295306B1 (ko) 1992-04-13 2001-09-17 이노우에 노리유끼 플루오르화수소의제거방법

Also Published As

Publication number Publication date
US6274781B1 (en) 2001-08-14
EP0726887A1 (de) 1996-08-21
WO1995012563A1 (en) 1995-05-11
ES2124434T3 (es) 1999-02-01
JP4087899B2 (ja) 2008-05-21
US5955637A (en) 1999-09-21
DE69413995T2 (de) 1999-03-25
EP0726887B1 (de) 1998-10-14
JPH09504552A (ja) 1997-05-06

Similar Documents

Publication Publication Date Title
DE69413995T2 (de) Herstellung von fluorenthaltenden dihalomethanen und azeotropen chlorenthaltenden dihalomethanen mit hf
DE69232252T2 (de) Herstellung und Verwendung von aktivierten Carbamaten
DE69814249D1 (de) Herstellung von fluorierten Polymeren
DE69417737D1 (de) Flasche mit doppelter wand und herstellungsverfahren
DE69408679T2 (de) Herstellung von geformten faserstrukturen
DE69413710T2 (de) Herstellung von polyglycerol
DE69525696D1 (de) Wiedergeben von Knotenverbindungsstruktur mit einer Zone von grösseren Abständen und peripheren Zweigen
DE59400234D1 (de) Herstellung eines modifizierten Polytetrafluorethylens und seine Verwendung
DE59407397D1 (de) Verwendung von polymeren mit isolierten chromophoren als elektrolumineszenzmaterialien
DE69425811D1 (de) Herstellung von Terephthalsäure
DE69510223D1 (de) Herstellung von 2-chlor-2-hydrohexafluorpropan und ihre azeotropen mit hf
DE69315119T2 (de) Verwendung von Kohlendioxid in der neutralen und alkalischen Leimung
DE59104535D1 (de) Wässrige Dispersionen von fluorhaltigen Polymeren.
FI940600A0 (fi) Titaanidioksidin valmistus
DE59405004D1 (de) Herstellung von 2-H-Heptafluorpropan
DE69417577T2 (de) Herstellung von polymerisierungsfähigem dicyclopentadien
DE69213362D1 (de) Elektrolyseur und Herstellung davon
DE69122874D1 (de) Herstellung von wasserfreien niobium- und tantalpentafluoriden
DE68903810D1 (de) Herstellung von chlordioxid.
DE69415312T2 (de) Herstellung von fluorierten methanen
DE69212484T2 (de) Herstellung von 1,1,1-trifluoro-2-chloroethan und/oder 1,1,1,2-tetrafluoroethan
DE69213637T2 (de) Herstellung von 2-Hydroxymandelsäuren und 2-Hydroxybenzaldehyden
DE69209988T2 (de) Herstellung von fluordotiertem Wolframoxid und Glasbeschichtungsverfahren
DE69208096T2 (de) Herstellung von dialkyltellur und dialkylselen
DE59403207D1 (de) Herstellung von Perfluoralkanen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition