ATE179694T1 - Herstellung von difluormethan - Google Patents

Herstellung von difluormethan

Info

Publication number: ATE179694T1
Authority: AT; Austria
Prior art keywords: difluoromethane; production; fluoromethyl; ether; boron trifluoride
Prior art date: 1993-12-23

Application number

AT95902899T

Other languages

English (en)

Inventor

Paul David Bernard Bujac

Jane Lesley Butcher

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.)

1993-12-23

Filing date

1994-12-14

Publication date

1999-05-15

1994-12-14 Application filed by Ici Plc filed Critical Ici Plc

1999-05-15 Application granted granted Critical

1999-05-15 Publication of ATE179694T1 publication Critical patent/ATE179694T1/de

Links

RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 title abstract 4
WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 abstract 4
229910015900 BF3 Inorganic materials 0.000 abstract 2
SGAMQLNREKTWEK-UHFFFAOYSA-N fluoro(fluoromethoxy)methane Chemical compound FCOCF SGAMQLNREKTWEK-UHFFFAOYSA-N 0.000 abstract 2
239000007791 liquid phase Substances 0.000 abstract 1

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)

AT95902899T 1993-12-23 1994-12-14 Herstellung von difluormethan ATE179694T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB939326233A GB9326233D0 (en)	1993-12-23	1993-12-23	Production of difluoromethane

Publications (1)

Publication Number	Publication Date
ATE179694T1 true ATE179694T1 (de)	1999-05-15

Family

ID=10747057

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT95902899T ATE179694T1 (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

1993
- 1993-12-23 GB GB939326233A patent/GB9326233D0/en active Pending
1994
- 1994-12-14 ES ES95902899T patent/ES2131795T3/es not_active Expired - Lifetime
- 1994-12-14 US US08/663,038 patent/US6194621B1/en not_active Expired - Fee Related
- 1994-12-14 DK DK95902899T patent/DK0735997T3/da active
- 1994-12-14 AT AT95902899T patent/ATE179694T1/de not_active IP Right Cessation
- 1994-12-14 EP EP95902899A patent/EP0735997B1/de not_active Expired - Lifetime
- 1994-12-14 JP JP51725395A patent/JP3524926B2/ja not_active Expired - Fee Related
- 1994-12-14 DE DE69418343T patent/DE69418343T2/de not_active Expired - Fee Related
- 1994-12-14 CA CA002179158A patent/CA2179158A1/en not_active Abandoned
- 1994-12-14 WO PCT/GB1994/002734 patent/WO1995017364A1/en not_active Ceased
1999
- 1999-05-07 GR GR990401139T patent/GR3030160T3/el unknown

Also Published As

Publication number	Publication date
ES2131795T3 (es)	1999-08-01
US6194621B1 (en)	2001-02-27
JP3524926B2 (ja)	2004-05-10
DE69418343T2 (de)	1999-09-09
EP0735997B1 (de)	1999-05-06
GB9326233D0 (en)	1994-02-23
CA2179158A1 (en)	1995-06-29
DK0735997T3 (da)	1999-11-08
WO1995017364A1 (en)	1995-06-29
JPH09506891A (ja)	1997-07-08
EP0735997A1 (de)	1996-10-09
GR3030160T3 (en)	1999-08-31
DE69418343D1 (de)	1999-06-10

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Legal Events

Date	Code	Title	Description
2000-01-15	UEP	Publication of translation of european patent specification
2001-09-15	REN	Ceased due to non-payment of the annual fee