BR9608973A - Purificação de éteres dimetílicos fluorados - Google Patents
Purificação de éteres dimetílicos fluoradosInfo
- Publication number
- BR9608973A BR9608973A BR9608973A BR9608973A BR9608973A BR 9608973 A BR9608973 A BR 9608973A BR 9608973 A BR9608973 A BR 9608973A BR 9608973 A BR9608973 A BR 9608973A BR 9608973 A BR9608973 A BR 9608973A
- Authority
- BR
- Brazil
- Prior art keywords
- purification
- dimethyl ethers
- fluorinated dimethyl
- fluorinated
- ethers
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
-
- 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
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
- C07C41/36—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/466,096 US5543055A (en) | 1995-06-06 | 1995-06-06 | Purifications of flourinated dimethyl ethers |
PCT/US1996/008221 WO1996039370A1 (en) | 1995-06-06 | 1996-05-31 | Purification of fluorinated dimethyl ethers |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9608973A true BR9608973A (pt) | 1999-06-29 |
Family
ID=23850449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9608973A BR9608973A (pt) | 1995-06-06 | 1996-05-31 | Purificação de éteres dimetílicos fluorados |
Country Status (11)
Country | Link |
---|---|
US (1) | US5543055A (pt) |
EP (1) | EP0835236A4 (pt) |
JP (1) | JPH11506742A (pt) |
AU (1) | AU698107B2 (pt) |
BR (1) | BR9608973A (pt) |
CA (1) | CA2220432A1 (pt) |
MX (1) | MX9709463A (pt) |
RU (1) | RU2142933C1 (pt) |
TW (1) | TW328944B (pt) |
WO (1) | WO1996039370A1 (pt) |
ZA (1) | ZA964263B (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5632898A (en) * | 1996-08-13 | 1997-05-27 | Isis Pharmaceuticals, Inc. | Method for removing unreacted electrophiles from a reaction mixture |
US10683252B2 (en) | 2016-12-29 | 2020-06-16 | Central Glass Company, Limited | Production method for 1,2,2,2-tetrafluoroethyl difluoromethyl ether (desflurane) |
WO2018123649A1 (ja) * | 2016-12-29 | 2018-07-05 | セントラル硝子株式会社 | 1,2,2,2-テトラフルオロエチルジフルオロメチルエーテル(デスフルラン)の製造方法 |
JP6886104B2 (ja) | 2016-12-29 | 2021-06-16 | セントラル硝子株式会社 | ハロゲン化α−フルオロエーテル類の製造方法 |
JP6974718B2 (ja) * | 2017-01-13 | 2021-12-01 | セントラル硝子株式会社 | 1,2,2,2−テトラフルオロエチルジフルオロメチルエーテル(デスフルラン)の製造方法 |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2066905A (en) * | 1935-03-23 | 1937-01-05 | Westinghouse Electric & Mfg Co | Halogenated methyl ethers |
US2533132A (en) * | 1944-08-30 | 1950-12-05 | Purdue Research Foundation | Vapor phase fluorination |
US3461213A (en) * | 1966-10-03 | 1969-08-12 | Air Reduction | 1,1 difluoro-2,2-dichloroethyl difluoromethyl ether or an anesthetic agent |
US3663715A (en) * | 1969-11-03 | 1972-05-16 | Airco Inc | Ether compounds as anesthetics |
US3689459A (en) * | 1970-08-10 | 1972-09-05 | Baxter Laboratories Inc | Novel ether |
CA949978A (en) * | 1970-11-23 | 1974-06-25 | Ross C. Terrell | Ether compounds |
US3862241A (en) * | 1971-07-02 | 1975-01-21 | Airco Inc | 1,1,2,2,tetrafluoroethyl fluoromethyl ether |
US3897502A (en) * | 1971-10-22 | 1975-07-29 | Airco Inc | Process for making fluorinated ethers |
US3887439A (en) * | 1972-09-25 | 1975-06-03 | Phillips Petroleum Co | Separation of fluorinated dimethyl ethers by extractive distillation |
US3806602A (en) * | 1972-12-11 | 1974-04-23 | Airco Inc | Inhalant analgesic and anesthetic method and composition |
US3879474A (en) * | 1972-12-11 | 1975-04-22 | Airco Inc | Inhalant analgesic and anesthetic composition |
US4025567A (en) * | 1973-02-15 | 1977-05-24 | Phillips Petroleum Company | Purification of fluorinated ethers |
US4113435A (en) * | 1973-07-16 | 1978-09-12 | Massachusetts Institute Of Technology | Cryogenically controlled direct fluorination apparatus |
US4041148A (en) * | 1975-10-14 | 1977-08-09 | W. R. Grace & Co. | New aerosol propellants for personal products |
US4149018A (en) * | 1975-12-05 | 1979-04-10 | Imperial Chemical Industries Limited | Compound CHCl2 -O-CHF-CHF2 |
CA1075854A (en) * | 1976-08-16 | 1980-04-22 | Charles W. Simons | Aerosol propellants for personal products |
JPS5325552A (en) * | 1976-08-21 | 1978-03-09 | Agency Of Ind Science & Technol | Preparation of perfluorotetrahydrofuran derivatives |
DE2823969A1 (de) * | 1978-06-01 | 1979-12-13 | Hoechst Ag | Verfahren zur herstellung organischer fluorverbindungen |
US4504686A (en) * | 1982-08-16 | 1985-03-12 | Daikin Kogyo Co., Ltd. | Process for preparing 1,1,2-trifluoro-2-chloroethyl difluoromethyl ether |
US4874901A (en) * | 1988-05-06 | 1989-10-17 | Boc, Inc. | Process for the production of polyfluorinated ethers |
EP0352034A3 (en) * | 1988-07-18 | 1991-04-10 | Boc, Inc. | Process and intermediate compound for the preparation of chf2ochfcf3 |
US4961321A (en) * | 1989-02-28 | 1990-10-09 | W. R. Grace & Co.-Conn. | Bis (difluoromethyl) ether refrigerant |
US5026924A (en) * | 1989-03-14 | 1991-06-25 | Anaquest, Inc. | Process for production of 1,2,2,2-tetrafluoroethyl difluoromethyl ether |
GB9007645D0 (en) * | 1990-04-04 | 1990-05-30 | Ici Plc | Solvent cleaning of articles |
US5084146A (en) * | 1990-04-09 | 1992-01-28 | E. I. Du Pont De Nemours And Company | Method for preparing perfluoropolyethers |
ZA917855B (en) * | 1990-10-02 | 1993-03-31 | Grace W R & Co | Synthesis of fluorinated dimethyl ethers |
US5185474A (en) * | 1990-10-02 | 1993-02-09 | W. R. Grace & Co.-Conn. | Synthesis of fluorinated dimethyl ethers |
ES2106138T3 (es) * | 1991-06-14 | 1997-11-01 | Ici Plc | Produccion de bis(fluorometil)eter y difluorometano. |
US5196600A (en) * | 1992-03-25 | 1993-03-23 | W. R. Grace & Co.-Conn. | Synthesis of fluorinated dimethyl ethers |
US5278342A (en) * | 1992-03-25 | 1994-01-11 | Hampshire Chemical Corp. | Vapor phase chlorination of difluoromethyl methyl ether |
-
1995
- 1995-06-06 US US08/466,096 patent/US5543055A/en not_active Expired - Fee Related
-
1996
- 1996-05-27 ZA ZA964263A patent/ZA964263B/xx unknown
- 1996-05-31 MX MX9709463A patent/MX9709463A/es unknown
- 1996-05-31 RU RU98100187A patent/RU2142933C1/ru active
- 1996-05-31 WO PCT/US1996/008221 patent/WO1996039370A1/en not_active Application Discontinuation
- 1996-05-31 BR BR9608973A patent/BR9608973A/pt not_active Application Discontinuation
- 1996-05-31 EP EP96920601A patent/EP0835236A4/en not_active Withdrawn
- 1996-05-31 JP JP9500916A patent/JPH11506742A/ja active Pending
- 1996-05-31 AU AU58858/96A patent/AU698107B2/en not_active Ceased
- 1996-05-31 CA CA002220432A patent/CA2220432A1/en not_active Abandoned
- 1996-06-05 TW TW085106709A patent/TW328944B/zh active
Also Published As
Publication number | Publication date |
---|---|
TW328944B (en) | 1998-04-01 |
WO1996039370A1 (en) | 1996-12-12 |
AU5885896A (en) | 1996-12-24 |
EP0835236A4 (en) | 1999-06-16 |
RU2142933C1 (ru) | 1999-12-20 |
US5543055A (en) | 1996-08-06 |
EP0835236A1 (en) | 1998-04-15 |
JPH11506742A (ja) | 1999-06-15 |
AU698107B2 (en) | 1998-10-22 |
MX9709463A (es) | 1998-02-28 |
CA2220432A1 (en) | 1996-12-12 |
ZA964263B (en) | 1996-08-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA10 | Dismissal: dismissal - article 33 of industrial property law |