DK0417680T3 - Fremgangsmåde til fremstilling af 1,1,1,2-tetrafluorethan - Google Patents

Fremgangsmåde til fremstilling af 1,1,1,2-tetrafluorethan

Info

Publication number
DK0417680T3
DK0417680T3 DK90117355.9T DK90117355T DK0417680T3 DK 0417680 T3 DK0417680 T3 DK 0417680T3 DK 90117355 T DK90117355 T DK 90117355T DK 0417680 T3 DK0417680 T3 DK 0417680T3
Authority
DK
Denmark
Prior art keywords
tetrafluoroethane
preparation
Prior art date
Application number
DK90117355.9T
Other languages
Danish (da)
English (en)
Inventor
Wolfgang Dr Wanzke
Guenter Dr Siegemund
Wilfried Dr Schmieder
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of DK0417680T3 publication Critical patent/DK0417680T3/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
DK90117355.9T 1989-09-13 1990-09-10 Fremgangsmåde til fremstilling af 1,1,1,2-tetrafluorethan DK0417680T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3930507A DE3930507A1 (de) 1989-09-13 1989-09-13 Verfahren zur herstellung von 1,1,1,2-tetrafluorethan

Publications (1)

Publication Number Publication Date
DK0417680T3 true DK0417680T3 (da) 1993-04-19

Family

ID=6389296

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90117355.9T DK0417680T3 (da) 1989-09-13 1990-09-10 Fremgangsmåde til fremstilling af 1,1,1,2-tetrafluorethan

Country Status (8)

Country Link
US (1) US6288293B1 (es)
EP (1) EP0417680B1 (es)
JP (1) JP2813750B2 (es)
BR (1) BR9004539A (es)
CA (1) CA2025145C (es)
DE (2) DE3930507A1 (es)
DK (1) DK0417680T3 (es)
ES (1) ES2055254T3 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3217446B2 (ja) * 1991-05-17 2001-10-09 ソルヴエイ（ソシエテ アノニム） ペンタフルオロエタン（ｒ１２５）の製造方法
WO1993008146A1 (en) * 1991-10-25 1993-04-29 Allied-Signal Inc. Process for the manufacture of 1,1,1,2-tetrafluoroethane
US5334785A (en) * 1991-10-25 1994-08-02 Allied-Signal Inc. Process for the manufacture of 1,1,1,2-tetrafluoroethane
US5523498A (en) * 1992-12-08 1996-06-04 E. I. Du Pont De Nemours And Company Process for reducing the fluorine content of hydrofluorocarbons and hydrohalofluorocarbons
US5345017A (en) * 1992-12-08 1994-09-06 E. I. Du Pont De Nemours And Company Process for reducing the fluorine content of halocarbons
FR2700770B1 (fr) * 1993-01-27 1995-03-24 Atochem Elf Sa Procédé de fabrication du 1,1,1,2-tétrafluoro-2-chloroéthane et du pentafluoroéthane.
US5866730A (en) * 1993-04-02 1999-02-02 E. I. Du Pont De Nemours And Company Process for enriching 1,2-dichloro-1,1,2,2-tetrafluoroethane from a mixture of dichlorotetrafluoroethane isomers
DE19510024C2 (de) * 1995-03-20 1997-02-06 Hoechst Ag Verfahren zur Herstellung von Pentafluorethan (R 125)
EP0801980B1 (en) * 1996-04-17 2002-09-11 AUSIMONT S.p.A. Catalyst for the fluorination of halogenated hydrocarbons
US6333440B1 (en) 2000-04-07 2001-12-25 E. I. Du Pont De Nemours And Company Process for perfluorocyclobutane purification
FR2852007B1 (fr) * 2003-03-07 2007-05-11 Solvay Procede de fabrication de 1,1,1-trifluoroethane
EP2377611A3 (en) 2004-12-22 2012-01-18 E. I. du Pont de Nemours and Company Process for producing an olefinic compound by photochemical reactions

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992325A (en) * 1975-09-25 1976-11-16 E. I. Du Pont De Nemours And Company γ-CrOOH fluorination catalysts
AU518050B2 (en) * 1977-02-17 1981-09-10 Imperial Chemical Industries Limited Manufacture of 1,1,1,2-tetrafluoro ethane & method of reducing amount of 1,1,difluord-chldro ethlene impurity
US4158675A (en) 1977-09-23 1979-06-19 Imperial Chemical Industries Limited Manufacture of halogenated compounds
US4129603A (en) 1978-02-07 1978-12-12 Imperial Chemical Industries Limited Manufacture of halogenated compounds
JPS5527139A (en) 1978-08-14 1980-02-27 Daikin Ind Ltd Preparation of tetrafluoroethane
DE3323374A1 (de) 1983-06-29 1985-01-10 Hoechst Ag, 6230 Frankfurt Katalysatoren fuer fluorierungs- und/oder dismutierungsreaktionen von halogenkohlenwasserstoffen und verfahren zu ihrer herstellung
JPH0788326B2 (ja) * 1987-11-26 1995-09-27 旭硝子株式会社 １，１−ジクロロ−１，２，２，２−テトラフルオロエタンの製造方法

Also Published As

Publication number Publication date
US6288293B1 (en) 2001-09-11
ES2055254T3 (es) 1994-08-16
JP2813750B2 (ja) 1998-10-22
CA2025145C (en) 2001-04-17
EP0417680A1 (de) 1991-03-20
CA2025145A1 (en) 1991-03-14
DE59001006D1 (de) 1993-04-15
EP0417680B1 (de) 1993-03-10
BR9004539A (pt) 1991-09-10
DE3930507A1 (de) 1991-03-21
JPH03109336A (ja) 1991-05-09

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