IT8920692A0 - Procedimento per preparare 1,1,1,2 tetrafluoroetano da 1,1 dicloro 1,2,2,2 tetrafluoroetano. - Google Patents

Procedimento per preparare 1,1,1,2 tetrafluoroetano da 1,1 dicloro 1,2,2,2 tetrafluoroetano.

Info

Publication number
IT8920692A0
IT8920692A0 IT8920692A IT2069289A IT8920692A0 IT 8920692 A0 IT8920692 A0 IT 8920692A0 IT 8920692 A IT8920692 A IT 8920692A IT 2069289 A IT2069289 A IT 2069289A IT 8920692 A0 IT8920692 A0 IT 8920692A0
Authority
IT
Italy
Prior art keywords
tetrafluoroethane
dichlor
preparing
procedure
Prior art date
Application number
IT8920692A
Other languages
English (en)
Other versions
IT1230795B (it
Inventor
Hideki Oshio
Kiyoshi Yagii
Katsuyoshi Murata
Sadaharu Mishumi
Satoshi Yoshikawa
Original Assignee
Central Glass Co Ltd
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
Priority claimed from JP63132395A external-priority patent/JPH0629201B2/ja
Priority claimed from JP32007788A external-priority patent/JPH0692325B2/ja
Priority claimed from JP63324998A external-priority patent/JPH0692326B2/ja
Priority claimed from JP1007056A external-priority patent/JPH02188537A/ja
Application filed by Central Glass Co Ltd filed Critical Central Glass Co Ltd
Publication of IT8920692A0 publication Critical patent/IT8920692A0/it
Application granted granted Critical
Publication of IT1230795B publication Critical patent/IT1230795B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/23—Preparation of halogenated hydrocarbons by dehalogenation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT8920692A 1988-05-30 1989-05-30 Procedimento per preparare 1,1,1,2 tetrafluoroetano da 1,1 dicloro 1,2,2,2 tetrafluoroetano. IT1230795B (it)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP63132395A JPH0629201B2 (ja) 1988-05-30 1988-05-30 １，１，１，２−テトラフルオロエタンの製造法
JP32007788A JPH0692325B2 (ja) 1988-12-19 1988-12-19 フッ化水素の回収方法
JP63324998A JPH0692326B2 (ja) 1988-12-23 1988-12-23 ２，２―ジクロロ―１，１，１，２―テトラフルオロエタンの製造法
JP1007056A JPH02188537A (ja) 1989-01-13 1989-01-13 ２，２‐ジクロロ‐１，１，１，２‐テトラフルオロエタンの製造方法

Publications (2)

Publication Number Publication Date
IT8920692A0 true IT8920692A0 (it) 1989-05-30
IT1230795B IT1230795B (it) 1991-10-29

Family

ID=27454623

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8920692A IT1230795B (it) 1988-05-30 1989-05-30 Procedimento per preparare 1,1,1,2 tetrafluoroetano da 1,1 dicloro 1,2,2,2 tetrafluoroetano.

Country Status (5)

Country Link
US (1) US4996379A (it)
DE (1) DE3917573A1 (it)
FR (1) FR2631959A1 (it)
GB (1) GB2219796B (it)
IT (1) IT1230795B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1230779B (it) * 1989-07-12 1991-10-29 Ausimont Srl Procedimento per preparare 1,1,1,2 tetrafluoroetano.
US5094988A (en) * 1989-09-25 1992-03-10 E. I. Du Pont De Nemours And Company Activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons
GB8927580D0 (en) * 1989-12-06 1990-02-07 Isc Chemicals Ltd Improvements in or relating to the reduction of halogenated organic compounds
FR2674521B1 (fr) * 1991-03-27 1994-05-06 Atochem Preparation du pentafluoroethane par hydrogenolyse du chloropentafluoroethane.
US5302765A (en) * 1992-05-29 1994-04-12 E. I. Du Pont De Nemours And Company Catalytic process for producing CF3 CHClF
US5602288A (en) * 1992-05-29 1997-02-11 E. I. Du Pont De Nemours And Company Catalytic process for producing CF3 CH2 F
US5463152A (en) * 1994-12-08 1995-10-31 E. I. Du Pont De Nemours And Company Halofluorocarbon hydrogenolysis
CN1036132C (zh) * 1993-07-08 1997-10-15 中国科学院上海有机化学研究所 一种氟卤烷烃的还原方法
BE1007822A5 (fr) * 1993-12-10 1995-10-31 Solvay Support pour un catalyseur d'hydrogenation, systeme catalytique comprenant ce support et procede d'hydrodechloration d'hydrocarbures chlorofluores.
US5470442A (en) * 1994-03-11 1995-11-28 E. I. Du Pont De Nemours And Company Separating and removing impurities from tetrafluoroethanes by using extractive distillation
US5723429A (en) * 1994-03-11 1998-03-03 E. I. Du Pont De Nemours And Company Azeotropic or azeotrope-like compositions of tetrafluoroethane and chlorotetrafluoroethane
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2005706A (en) * 1932-08-10 1935-06-18 Kinetic Chemicals Inc Organic fluorine compound
US2748177A (en) * 1951-08-03 1956-05-29 Allied Chem & Dye Corp Fluorination
US2942036A (en) * 1957-12-13 1960-06-21 Allied Chem Manufacture of halopropane
NL263002A (it) * 1960-03-30 1900-01-01
FR1453510A (fr) * 1965-08-13 1966-06-03 Electro Chimie Soc D Purification du dichlorotétrafluoroéthane
NO125478B (it) * 1968-07-25 1972-09-18 Montedison Spa
DE2245372A1 (de) * 1972-09-15 1974-03-21 Biocontrol Arzneimittel Gmbh Verfahren zur herstellung von monotopischen di- und trifluorpolyhalogenaethanen
GB1578933A (en) * 1977-05-24 1980-11-12 Ici Ltd Manufacture of halogenated hydrocarbons
FR2590251B1 (fr) * 1985-11-15 1988-10-14 Atochem Procede de synthese du chloropentafluoroethane a partir de dichlorotetrafluoroethane et d'acide fluorhydrique

Also Published As

Publication number Publication date
IT1230795B (it) 1991-10-29
GB2219796A (en) 1989-12-20
FR2631959A1 (fr) 1989-12-01
GB2219796B (en) 1991-12-04
US4996379A (en) 1991-02-26
DE3917573A1 (de) 1989-12-14
GB8912325D0 (en) 1989-07-12

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