NL175991C - Werkwijze voor de bereiding van tetrafluorethaan. - Google Patents

Werkwijze voor de bereiding van tetrafluorethaan.

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
English (en)
Dutch (nl)
Other versions
NL7805499A (nl
NL175991B (nl
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/xx
Publication of NL175991B publication Critical patent/NL175991B/xx
Application granted granted Critical
Publication of NL175991C publication Critical patent/NL175991C/xx

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 Werkwijze voor de bereiding van tetrafluorethaan. NL175991C (nl)

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 (nl) 1978-11-28
NL175991B NL175991B (nl) 1984-09-03
NL175991C true NL175991C (nl) 1985-02-01

Family

ID=10169139

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7805499,A NL175991C (nl) 1977-05-24 1978-05-22 Werkwijze voor de bereiding van tetrafluorethaan.

Country Status (15)

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

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 (it) * 1988-01-15 1990-07-12 Ausimont Spa Processo per la preparazione di 1,2 difluoroetano e di 1,1,2 trifluoroetano
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 (de) * 1988-06-21 1994-09-01 Asahi Glass Co Ltd Verfahren zur Herstellung von 1,1,1,2-Tetrafluorethan.
JP2508807B2 (ja) * 1988-06-21 1996-06-19 旭硝子株式会社 Ｒ−１３４ａの製造法
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
ES2046492T3 (es) * 1988-10-25 1994-02-01 E.I. Du Pont De Nemours And Company Procedimiento mejorado para la preparacion de 1,1,1,2-tetrafluoroetano.
US4902838A (en) * 1988-12-28 1990-02-20 E. I. Du Pont De Nemours And Company Isomerization of saturated fluorohydrocarbons
FR2641780B1 (fr) * 1989-01-19 1991-04-19 Atochem Hydrogenolyse selective de derives perhalogenes de l'ethane
CA2026568C (fr) * 1989-02-02 1999-12-14 Shinsuke Morikawa Reduction par l'hydrogene du 2,2-difluoropropane
US5146018A (en) * 1989-02-03 1992-09-08 E. I. Du Pont De Nemours And Company Hydrogenolysis/dehydrohalogenation process
US5068473A (en) * 1989-02-03 1991-11-26 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 (it) * 1989-07-12 1991-10-29 Ausimont Srl Procedimento per preparare 1,1,1,2 tetrafluoroetano.
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 (fr) * 1989-12-15 1992-03-27 Atochem Fabrication de chlorofluoroethanes par hydrogenolyse selective de derives perhalogenes de l'ethane.
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
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
US5208396A (en) * 1990-06-05 1993-05-04 E. I. Du Pont De Nemours And Company Production of saturated halohydrocarbons
US5097082A (en) * 1990-06-05 1992-03-17 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 (fr) * 1990-11-16 1992-12-22 Solvay Procede pour la fabrication du chloroforme a partir de tetrachlorure de carbone, compositions catalytiques et procede pour leur obtention.
AU9134291A (en) * 1990-12-26 1992-08-17 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
AU663515B2 (en) * 1992-07-17 1995-10-12 E.I. Du Pont De Nemours And Company Separation of tetrafluoroethane isomers
US5600040A (en) * 1992-07-17 1997-02-04 E. I. Du Pont De Nemours And Company Separation of tetrafluoroethane isomers
US6525231B1 (en) 1992-10-22 2003-02-25 E. I. Du Pont De Nemours And Company Producing hydrofluoro compounds by hydrogenolysis of iodides
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
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
WO1994020441A1 (fr) * 1993-03-05 1994-09-15 Daikin Industries, Ltd. Procede de production de 1,1,1,2,2-pentafluoroethane, procede de production de 2,2-dichloro-1,1,1-trifluoroethane, et procede de purification de 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
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
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
AU1912295A (en) * 1994-03-11 1995-09-25 E.I. Du Pont De Nemours And Company Process for converting chlorodifluoromethane and/or dichlorodifluoromethane
JP3491702B2 (ja) * 1994-07-29 2004-01-26 ダイキン工業株式会社 ペンタフルオロエタンの精製方法
WO1996016009A2 (fr) * 1994-11-23 1996-05-30 E.I. Du Pont De Nemours And Company Production d'hydrofluorocarbone au moyen de vecteurs thermiques par hydrogenolyse a haute temperature
US6291729B1 (en) 1994-12-08 2001-09-18 E. I. Du Pont De Nemours And Company Halofluorocarbon hydrogenolysis
US5481051A (en) * 1994-12-08 1996-01-02 E. I. Du Pont De Nemours And Company 2,2-dichlorohexafluoropropane hydrogenolysis
WO1996023752A1 (fr) * 1995-02-01 1996-08-08 E.I. Du Pont De Nemours And Company SEPARATION ET ELIMINATION DES IMPURETES DE 1,1,1-TRIFLUOROETHANE (HFC-143a) PAR DISTILLATION EXTRACTIVE
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
US9783720B2 (en) 2010-12-14 2017-10-10 The Chemours Company Fc, Llc Use of refrigerants comprising E-1,3,3,3-tetrafluoropropene and at least one tetrafluoroethane for cooling
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1267427A (fr) * 1960-09-09 1961-07-21 Ici Ltd Fabrication de 2-bromo-2-chloro-1: 1: 1-trifluoroéthane
FR1409109A (fr) * 1963-10-01 1965-08-20 Allied Chem Procédé de production de tétrafluoroéthylène par réduction de dichlorotétrafluoroétane
DE2060041C3 (de) * 1970-12-05 1973-10-25 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt Verfahren zur Herstellung von fluorierten Kohlenwasserstoffen

Also Published As

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

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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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