DE69418343D1 - Herstellung von difluormethan - Google Patents

Herstellung von difluormethan

Info

Publication number
DE69418343D1
DE69418343D1 DE69418343T DE69418343T DE69418343D1 DE 69418343 D1 DE69418343 D1 DE 69418343D1 DE 69418343 T DE69418343 T DE 69418343T DE 69418343 T DE69418343 T DE 69418343T DE 69418343 D1 DE69418343 D1 DE 69418343D1
Authority
DE
Germany
Prior art keywords
production
difluormethane
fluoromethyl
ether
boron trifluoride
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69418343T
Other languages
English (en)
Other versions
DE69418343T2 (de
Inventor
Paul David Bernard Bujac
Jane Lesley Butcher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ineos Fluor Holdings Ltd
Original Assignee
Imperial Chemical Industries 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
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of DE69418343D1 publication Critical patent/DE69418343D1/de
Publication of DE69418343T2 publication Critical patent/DE69418343T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69418343T 1993-12-23 1994-12-14 Herstellung von difluormethan Expired - Fee Related DE69418343T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939326233A GB9326233D0 (en) 1993-12-23 1993-12-23 Production of difluoromethane
PCT/GB1994/002734 WO1995017364A1 (en) 1993-12-23 1994-12-14 Production of difluoromethane

Publications (2)

Publication Number Publication Date
DE69418343D1 true DE69418343D1 (de) 1999-06-10
DE69418343T2 DE69418343T2 (de) 1999-09-09

Family

ID=10747057

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69418343T Expired - Fee Related DE69418343T2 (de) 1993-12-23 1994-12-14 Herstellung von difluormethan

Country Status (11)

Country Link
US (1) US6194621B1 (de)
EP (1) EP0735997B1 (de)
JP (1) JP3524926B2 (de)
AT (1) ATE179694T1 (de)
CA (1) CA2179158A1 (de)
DE (1) DE69418343T2 (de)
DK (1) DK0735997T3 (de)
ES (1) ES2131795T3 (de)
GB (1) GB9326233D0 (de)
GR (1) GR3030160T3 (de)
WO (1) WO1995017364A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112479807A (zh) * 2020-12-11 2021-03-12 平江县吉成科技有限责任公司 一种含乙醚杂质的二氯甲烷回收方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9212925D0 (en) * 1992-06-18 1992-07-29 Ici Plc Production of hydrofluorocarbons

Also Published As

Publication number Publication date
US6194621B1 (en) 2001-02-27
ATE179694T1 (de) 1999-05-15
DE69418343T2 (de) 1999-09-09
ES2131795T3 (es) 1999-08-01
GR3030160T3 (en) 1999-08-31
EP0735997A1 (de) 1996-10-09
WO1995017364A1 (en) 1995-06-29
CA2179158A1 (en) 1995-06-29
JPH09506891A (ja) 1997-07-08
GB9326233D0 (en) 1994-02-23
JP3524926B2 (ja) 2004-05-10
DK0735997T3 (da) 1999-11-08
EP0735997B1 (de) 1999-05-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: INEOS FLUOR HOLDINGS LTD., SOUTHAMPTON, HAMPSHIRE,

8339 Ceased/non-payment of the annual fee