BR9206735A - Processo para a produção de bis (fluorometil) éter e processo para a produção de difluorometano - Google Patents

Processo para a produção de bis (fluorometil) éter e processo para a produção de difluorometano

Info

Publication number
BR9206735A
BR9206735A BR9206735A BR9206735A BR9206735A BR 9206735 A BR9206735 A BR 9206735A BR 9206735 A BR9206735 A BR 9206735A BR 9206735 A BR9206735 A BR 9206735A BR 9206735 A BR9206735 A BR 9206735A
Authority
BR
Brazil
Prior art keywords
production
fluoromethyl
bis
ether
difluoromethane
Prior art date
Application number
BR9206735A
Other languages
English (en)
Inventor
John Stuart Martin
Thomas Anthony Ryan
Rachel Anne Spooncer
Original Assignee
Ici Plc
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 Ici Plc filed Critical Ici Plc
Publication of BR9206735A publication Critical patent/BR9206735A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/361—Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/02—Ethers
    • C07C43/03—Ethers having all ether-oxygen atoms bound to acyclic carbon atoms
    • C07C43/04—Saturated ethers
    • C07C43/12—Saturated ethers containing halogen
    • C07C43/123—Saturated ethers containing halogen both carbon chains are substituted by halogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
BR9206735A 1991-11-13 1992-10-30 Processo para a produção de bis (fluorometil) éter e processo para a produção de difluorometano BR9206735A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919124087A GB9124087D0 (en) 1991-11-13 1991-11-13 Chemical process
PCT/GB1992/001990 WO1993010070A1 (en) 1991-11-13 1992-10-30 Production of bis(fluoromethyl)ether and/or difluoromethane from formaldehyde and hydrogen fluoride

Publications (1)

Publication Number Publication Date
BR9206735A true BR9206735A (pt) 1995-10-31

Family

ID=10704549

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9206735A BR9206735A (pt) 1991-11-13 1992-10-30 Processo para a produção de bis (fluorometil) éter e processo para a produção de difluorometano

Country Status (20)

Country Link
US (2) US5344998A (pt)
EP (1) EP0612309B1 (pt)
JP (1) JP3479533B2 (pt)
CN (1) CN1045952C (pt)
AT (1) ATE135677T1 (pt)
AU (1) AU661868B2 (pt)
BR (1) BR9206735A (pt)
CA (1) CA2123100C (pt)
CZ (1) CZ117194A3 (pt)
DE (1) DE69209311T2 (pt)
ES (1) ES2084386T3 (pt)
FI (1) FI942182A0 (pt)
GB (2) GB9124087D0 (pt)
HU (1) HUT67002A (pt)
IN (1) IN185811B (pt)
RU (1) RU2102376C1 (pt)
TW (1) TW305826B (pt)
WO (1) WO1993010070A1 (pt)
YU (1) YU96892A (pt)
ZA (1) ZA928619B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69221673T2 (de) * 1991-06-14 1997-12-11 Imperial Chemical Industries Plc, London Herstellung von Bis(fluormethyl)äther und von Difluormethan
GB9126355D0 (en) * 1991-12-11 1992-02-12 Ici Plc Production of hydrofluorocarbons
GB9212410D0 (en) * 1992-06-11 1992-07-22 Ici Plc Production of difluoromethane
GB9212925D0 (en) * 1992-06-18 1992-07-29 Ici Plc Production of hydrofluorocarbons
CN1122008C (zh) * 1996-08-27 2003-09-24 大金工业株式会社 二氟甲烷的制备方法
US6469219B1 (en) * 2000-03-16 2002-10-22 Halocarbon Products Corporation Production of fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ether
US7032894B2 (en) * 2001-11-05 2006-04-25 Corning Incorporated Flow distributor for monolith reactors
US20030086846A1 (en) * 2001-11-05 2003-05-08 Adusei George Y. Monolith stacking configuration for improved flooding
US7371363B2 (en) * 2003-07-15 2008-05-13 Honeywell International Inc. Methods of purifying hydrogen fluoride
US9102604B1 (en) 2010-02-15 2015-08-11 Baxter International Inc. Methods for cleaning distilling columns
CN107739293B (zh) * 2017-10-19 2020-09-25 北京宇极科技发展有限公司 一种从烷基醚气相制备氟代烷烃的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1025856B (de) * 1952-04-15 1958-03-13 Gen Aniline & Film Corp Herstellung von Bis-chlormethylaether
US3377394A (en) * 1966-07-15 1968-04-09 Olin Mathieson Methyl fluoride and methylene fluoride process
US4143078A (en) * 1978-05-22 1979-03-06 The Dow Chemical Company Fluorination of methyl ketones
GB2126216B (en) * 1982-08-16 1986-03-12 Ici Plc Preparation of methylene dihalides
US5073236A (en) * 1989-11-13 1991-12-17 Gelbein Abraham P Process and structure for effecting catalytic reactions in distillation structure

Also Published As

Publication number Publication date
US5506364A (en) 1996-04-09
ZA928619B (en) 1994-02-21
CZ117194A3 (en) 1994-11-16
CA2123100C (en) 2003-12-30
TW305826B (en) 1997-05-21
DE69209311D1 (de) 1996-04-25
FI942182A (fi) 1994-05-11
EP0612309B1 (en) 1996-03-20
CA2123100A1 (en) 1993-05-27
GB9124087D0 (en) 1992-01-02
WO1993010070A1 (en) 1993-05-27
AU661868B2 (en) 1995-08-10
HUT67002A (en) 1995-01-30
AU2799892A (en) 1993-06-15
RU2102376C1 (ru) 1998-01-20
JPH07502266A (ja) 1995-03-09
HU9401308D0 (en) 1994-08-29
CN1045952C (zh) 1999-10-27
YU96892A (sh) 1995-10-03
FI942182A0 (fi) 1994-05-11
ATE135677T1 (de) 1996-04-15
US5344998A (en) 1994-09-06
JP3479533B2 (ja) 2003-12-15
DE69209311T2 (de) 1996-08-22
GB9222704D0 (en) 1992-12-09
EP0612309A1 (en) 1994-08-31
ES2084386T3 (es) 1996-05-01
CN1079729A (zh) 1993-12-22
IN185811B (pt) 2001-05-05

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Legal Events

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FF Decision: intention to grant
FG9A Patent or certificate of addition granted
PC Transfer

Owner name: INEOS FLUOR HOLDINGS LIMITED (GB)

B24C Patent annual fee: request for for restoration

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B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.