FR2777885B1 - Procede de fabrication de bis(difluoromethyl) ether et de trifluoromethane - Google Patents
Procede de fabrication de bis(difluoromethyl) ether et de trifluoromethaneInfo
- Publication number
- FR2777885B1 FR2777885B1 FR9805100A FR9805100A FR2777885B1 FR 2777885 B1 FR2777885 B1 FR 2777885B1 FR 9805100 A FR9805100 A FR 9805100A FR 9805100 A FR9805100 A FR 9805100A FR 2777885 B1 FR2777885 B1 FR 2777885B1
- Authority
- FR
- France
- Prior art keywords
- trifluoromethane
- difluoromethyl
- bis
- ether
- manufacture
- 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
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9805100A FR2777885B1 (fr) | 1998-04-23 | 1998-04-23 | Procede de fabrication de bis(difluoromethyl) ether et de trifluoromethane |
PCT/FR1999/000856 WO1999055652A1 (fr) | 1998-04-23 | 1999-04-13 | Procede de fabrication de bis(difluoromethyl) ether et de trifluoromethane |
AU34247/99A AU3424799A (en) | 1998-04-23 | 1999-04-13 | Method for preparing bis(difluoromethyl) ether and trifluoromethane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9805100A FR2777885B1 (fr) | 1998-04-23 | 1998-04-23 | Procede de fabrication de bis(difluoromethyl) ether et de trifluoromethane |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2777885A1 FR2777885A1 (fr) | 1999-10-29 |
FR2777885B1 true FR2777885B1 (fr) | 2000-06-23 |
Family
ID=9525593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9805100A Expired - Fee Related FR2777885B1 (fr) | 1998-04-23 | 1998-04-23 | Procede de fabrication de bis(difluoromethyl) ether et de trifluoromethane |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU3424799A (fr) |
FR (1) | FR2777885B1 (fr) |
WO (1) | WO1999055652A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2253623A (en) * | 1991-03-12 | 1992-09-16 | Shell Int Research | Production of dimethyl ether |
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 |
US5278342A (en) * | 1992-03-25 | 1994-01-11 | Hampshire Chemical Corp. | Vapor phase chlorination of difluoromethyl methyl ether |
GB9208769D0 (en) * | 1992-04-23 | 1992-06-10 | Ici Plc | Production of bis (fluoromethyl) ether and difluoromethane |
-
1998
- 1998-04-23 FR FR9805100A patent/FR2777885B1/fr not_active Expired - Fee Related
-
1999
- 1999-04-13 AU AU34247/99A patent/AU3424799A/en not_active Abandoned
- 1999-04-13 WO PCT/FR1999/000856 patent/WO1999055652A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO1999055652A1 (fr) | 1999-11-04 |
AU3424799A (en) | 1999-11-16 |
FR2777885A1 (fr) | 1999-10-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |