NL175991C - PROCESS FOR THE PREPARATION OF TETRAFLUORETHANE. - Google Patents

PROCESS FOR THE PREPARATION OF TETRAFLUORETHANE.

Info

Publication number
NL175991C
NL175991C NLAANVRAGE7805499,A NL7805499A NL175991C NL 175991 C NL175991 C NL 175991C NL 7805499 A NL7805499 A NL 7805499A NL 175991 C NL175991 C NL 175991C
Authority
NL
Netherlands
Prior art keywords
tetrafluorethane
preparation
Prior art date
Application number
NLAANVRAGE7805499,A
Other languages
Dutch (nl)
Other versions
NL7805499A (en
NL175991B (en
Original Assignee
Ici 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10169139&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL175991(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ici Ltd filed Critical Ici Ltd
Publication of NL7805499A publication Critical patent/NL7805499A/en
Publication of NL175991B publication Critical patent/NL175991B/en
Application granted granted Critical
Publication of NL175991C publication Critical patent/NL175991C/en

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)
NLAANVRAGE7805499,A 1977-05-24 1978-05-22 PROCESS FOR THE PREPARATION OF TETRAFLUORETHANE. NL175991C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21806/77A GB1578933A (en) 1977-05-24 1977-05-24 Manufacture of halogenated hydrocarbons

Publications (3)

Publication Number Publication Date
NL7805499A NL7805499A (en) 1978-11-28
NL175991B NL175991B (en) 1984-09-03
NL175991C true NL175991C (en) 1985-02-01

Family

ID=10169139

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7805499,A NL175991C (en) 1977-05-24 1978-05-22 PROCESS FOR THE PREPARATION OF TETRAFLUORETHANE.

Country Status (15)

Country Link
JP (1) JPS53147005A (en)
AR (1) AR223815A1 (en)
AU (1) AU515866B2 (en)
BE (1) BE867285A (en)
BR (1) BR7803299A (en)
CA (1) CA1117144A (en)
DE (1) DE2822471A1 (en)
ES (1) ES470170A1 (en)
FR (1) FR2391980A1 (en)
GB (1) GB1578933A (en)
GR (1) GR63074B (en)
IT (1) IT1094775B (en)
MX (1) MX149569A (en)
NL (1) NL175991C (en)
ZA (1) ZA782480B (en)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319060A (en) * 1980-12-08 1982-03-09 Allied Chemical Corporation Process for producing 1,2-dichloro-1,1,2,2-tetrafluoroethane substantially free of 1,1-dichloro-1,2,2,2-tetrafluoroethane
GB8415201D0 (en) * 1984-06-14 1984-07-18 Ici Plc Chemical process
IT1221776B (en) * 1988-01-15 1990-07-12 Ausimont Spa PROCESS FOR THE PREPARATION OF 1,2 DIFLUOROETHANE AND 1,1,2 TRIFLUOROETHANE
US4873381A (en) * 1988-05-20 1989-10-10 E. I. Du Pont De Nemours And Company Hydrodehalogenation of CF3 CHClF in the presence of supported Pd
US4996379A (en) * 1988-05-30 1991-02-26 Central Glass Company, Limited Method of preparing 1,1,1,2-tetrafluoroethane from 1,1-dichloro-1,2,2,2-tetrafluoroethane
DE68912657T2 (en) * 1988-06-21 1994-09-01 Asahi Glass Co Ltd Process for the preparation of 1,1,1,2-tetrafluoroethane.
JP2508807B2 (en) * 1988-06-21 1996-06-19 旭硝子株式会社 Method for producing R-134a
RU1836314C (en) * 1988-10-25 1993-08-23 Е.И.Дюпон Де Немур Энд Компани Method of obtaining 1,1,1,2-tetrafluoro-ethane
US5008476A (en) * 1988-10-25 1991-04-16 E. I. Du Pont De Nemours And Company Process for the preparation of 1,1,1,2-tetrafluoroethane
US4902838A (en) * 1988-12-28 1990-02-20 E. I. Du Pont De Nemours And Company Isomerization of saturated fluorohydrocarbons
FR2641780B1 (en) * 1989-01-19 1991-04-19 Atochem SELECTIVE HYDROGENOLYSIS OF PERHALOGENATED ETHANE DERIVATIVES
CA2026568C (en) * 1989-02-02 1999-12-14 Shinsuke Morikawa Process for producing a hydrogen-containing 2,2-difluoropropane
US5068473A (en) * 1989-02-03 1991-11-26 E. I. Du Pont De Nemours And Company Hydrogenolysis/dehydrohalogenation process
US5146018A (en) * 1989-02-03 1992-09-08 E. I. Du Pont De Nemours And Company Hydrogenolysis/dehydrohalogenation process
US4944890A (en) 1989-05-23 1990-07-31 E. I. Du Pont De Nemours And Company Compositions and process of using in refrigeration
IT1230779B (en) * 1989-07-12 1991-10-29 Ausimont Srl PROCEDURE FOR PREPARING 1,1,1,2 TETRAFLUOROETHANE.
US5364992A (en) * 1989-10-10 1994-11-15 E. I. Du Pont De Nemours And Company Halocarbon hydrogenolysis
GB8927580D0 (en) * 1989-12-06 1990-02-07 Isc Chemicals Ltd Improvements in or relating to the reduction of halogenated organic compounds
FR2655982B1 (en) * 1989-12-15 1992-03-27 Atochem MANUFACTURE OF CHLOROFLUOROETHANES BY SELECTIVE HYDROGENOLYSIS OF PERHALOGENATED ETHANE DERIVATIVES.
US5057470A (en) * 1990-05-22 1991-10-15 E. I. Du Pont De Nemours And Company Regeneration of noble metal catalysts used in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
US5202510A (en) * 1990-05-22 1993-04-13 E. I. Du Pont De Nemours And Company Activation of noble metal catalysts for use in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
US5097082A (en) * 1990-06-05 1992-03-17 E. I. Du Pont De Nemours And Company Production of saturated halohydrocarbons
US5208396A (en) * 1990-06-05 1993-05-04 E. I. Du Pont De Nemours And Company Production of saturated halohydrocarbons
US5030372A (en) * 1990-07-31 1991-07-09 E. I. Du Pont De Nemours And Company Catalytic equilibration to improve the relative yield of selected halocarbons
US5621151A (en) * 1990-10-09 1997-04-15 E. I. Du Pont De Nemours And Company Halocarbon hydrogenolysis
US5171902A (en) * 1990-10-11 1992-12-15 E. I. Du Pont De Nemours And Company Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions
BE1004608A3 (en) * 1990-11-16 1992-12-22 Solvay Method for manufacturing of chloroform from carbon tetrachloride, catalyst composition and method for obtaining.
WO1992012113A1 (en) * 1990-12-26 1992-07-23 E.I. Du Pont De Nemours And Company Catalytic hydrogenolysis
US5208397A (en) * 1991-04-09 1993-05-04 E. I. Du Pont De Nemours And Company Hydrogenolysis of halocarbon mixtures
US5243108A (en) * 1991-06-03 1993-09-07 E. I. Du Pont De Nemours And Company Aluminum fluoride catalyst compositions and use thereof in a chlorofluorination process for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane
US5136113A (en) * 1991-07-23 1992-08-04 E. I. Du Pont De Nemours And Company Catalytic hydrogenolysis
US5569797A (en) * 1992-01-07 1996-10-29 E. I. Du Pont De Nemours And Company Method of removing olefinic impurities from hydrochlorofluorocarbons
US5286398A (en) * 1992-02-13 1994-02-15 E. I. Du Pont De Nemours And Company End-capped polyalkylene oxide compositions with hydroxyl group functionality and use thereof for lubrication in refrigeration systems
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
US5744660A (en) * 1992-06-10 1998-04-28 Imperial Chemical Industries Plc Products of tetrafluorothanes
US5463152A (en) * 1994-12-08 1995-10-31 E. I. Du Pont De Nemours And Company Halofluorocarbon hydrogenolysis
US5447896A (en) * 1992-06-23 1995-09-05 E. I. Du Pont De Nemours And Company Hydrodehalogenation catalysts and their preparation and use
US5600040A (en) * 1992-07-17 1997-02-04 E. I. Du Pont De Nemours And Company Separation of tetrafluoroethane isomers
BR9207152A (en) * 1992-07-17 1995-12-12 Du Pont Separation processes of a mixture of CHF2CHF2 and CF2 and CF3CH2F and process for the production of C2H2F4 by C2CI2F4 hydrogenolysis
US6525231B1 (en) 1992-10-22 2003-02-25 E. I. Du Pont De Nemours And Company Producing hydrofluoro compounds by hydrogenolysis of iodides
US5395999A (en) * 1992-11-06 1995-03-07 E. I. Du Pont De Nemours And Company Catalytic chlorofluorination process for producing CHClFCF3 and CHF2 CF3
US5258561A (en) * 1992-11-06 1993-11-02 E. I. Du Pont De Nemours And Company Catalytic chlorofluorination process for producing CF3 CHClF and CF3 CHF2
EP0687660B2 (en) * 1993-03-05 2006-05-17 Daikin Industries, Limited Process for producing 1,1,1,2,2-pentafluoroethane, process for producing 2,2-dichloro-1,1,1-trifluoroethane, and method of purifying 1,1,1,2,2-pentafluoroethane
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
US5326914A (en) * 1993-05-27 1994-07-05 E. I. Du Pont De Nemours And Company Homogeneous catalytic hydrodechlorination of chlorocarbons
US5300712A (en) * 1993-05-27 1994-04-05 E. I. Du Pont De Nemours And Company Homogeneous catalytic hydrodechlorination of chlorocarbons
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
AU1912295A (en) * 1994-03-11 1995-09-25 E.I. Du Pont De Nemours And Company Process for converting chlorodifluoromethane and/or dichlorodifluoromethane
JP3491702B2 (en) * 1994-07-29 2004-01-26 ダイキン工業株式会社 Method for purifying pentafluoroethane
WO1996016009A2 (en) * 1994-11-23 1996-05-30 E.I. Du Pont De Nemours And Company Hydrofluorocarbon production using heat carriers in high temperature hydrogenolysis
US5481051A (en) * 1994-12-08 1996-01-02 E. I. Du Pont De Nemours And Company 2,2-dichlorohexafluoropropane hydrogenolysis
US6291729B1 (en) 1994-12-08 2001-09-18 E. I. Du Pont De Nemours And Company Halofluorocarbon hydrogenolysis
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
US5750808A (en) * 1995-07-11 1998-05-12 E. I. Du Pont De Nemours And Company Dehydrohalogenation processes
US7329786B2 (en) * 2001-09-28 2008-02-12 Great Lakes Chemical Corporation Processes for producing CF3CFHCF3
US7223351B2 (en) 2003-04-17 2007-05-29 Great Lakes Chemical Corporation Fire extinguishing mixtures, methods and systems
MY161767A (en) 2010-12-14 2017-05-15 Du Pont Combinations of e-1,3,3,3-tetrafluoropropene and at least one tetrafluoroethane and their use for heating
BR112013012557B1 (en) 2010-12-14 2021-03-02 E.I. Du Pont De Nemours And Company method for producing cooling, method for replacing refrigerant and refrigerating appliance
TWI573971B (en) 2011-01-31 2017-03-11 杜邦股份有限公司 Producing heating using working fluids comprising z-1,1,1,4,4,4-hexafluoro-2-butene

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1267427A (en) * 1960-09-09 1961-07-21 Ici Ltd Manufacture of 2-bromo-2-chloro-1: 1: 1-trifluoroethane
FR1409109A (en) * 1963-10-01 1965-08-20 Allied Chem Process for the production of tetrafluoroethylene by reduction of dichlorotetrafluoroetane
DE2060041C3 (en) * 1970-12-05 1973-10-25 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt Process for the production of fluorinated hydrocarbons

Also Published As

Publication number Publication date
ZA782480B (en) 1979-04-25
DE2822471C2 (en) 1987-12-17
BE867285A (en) 1978-11-20
FR2391980A1 (en) 1978-12-22
ES470170A1 (en) 1980-12-16
FR2391980B1 (en) 1982-12-03
NL7805499A (en) 1978-11-28
GR63074B (en) 1979-08-08
JPS5638131B2 (en) 1981-09-04
MX149569A (en) 1983-11-25
GB1578933A (en) 1980-11-12
AU515866B2 (en) 1981-05-07
DE2822471A1 (en) 1978-12-07
IT7823624A0 (en) 1978-05-19
BR7803299A (en) 1979-01-02
NL175991B (en) 1984-09-03
CA1117144A (en) 1982-01-26
JPS53147005A (en) 1978-12-21
AR223815A1 (en) 1981-09-30
IT1094775B (en) 1985-08-02
AU3590978A (en) 1979-11-15

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent

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