FI942182A - Bis(fluorimetyyli)eetterin ja/tai difluorimetaanin valmistus formaldehydistä ja vetyfluoridista - Google Patents
Bis(fluorimetyyli)eetterin ja/tai difluorimetaanin valmistus formaldehydistä ja vetyfluoridista Download PDFInfo
- Publication number
- FI942182A FI942182A FI942182A FI942182A FI942182A FI 942182 A FI942182 A FI 942182A FI 942182 A FI942182 A FI 942182A FI 942182 A FI942182 A FI 942182A FI 942182 A FI942182 A FI 942182A
- Authority
- FI
- Finland
- Prior art keywords
- fluoromethyl
- bis
- ether
- formaldehyde
- difluoromethane
- Prior art date
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)
- Physical Or Chemical Processes And Apparatus (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
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 (2)
Publication Number | Publication Date |
---|---|
FI942182A0 FI942182A0 (fi) | 1994-05-11 |
FI942182A true FI942182A (fi) | 1994-05-11 |
Family
ID=10704549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI942182A FI942182A (fi) | 1991-11-13 | 1994-05-11 | Bis(fluorimetyyli)eetterin ja/tai difluorimetaanin valmistus formaldehydistä ja vetyfluoridista |
Country Status (20)
Country | Link |
---|---|
US (2) | US5344998A (fi) |
EP (1) | EP0612309B1 (fi) |
JP (1) | JP3479533B2 (fi) |
CN (1) | CN1045952C (fi) |
AT (1) | ATE135677T1 (fi) |
AU (1) | AU661868B2 (fi) |
BR (1) | BR9206735A (fi) |
CA (1) | CA2123100C (fi) |
CZ (1) | CZ117194A3 (fi) |
DE (1) | DE69209311T2 (fi) |
ES (1) | ES2084386T3 (fi) |
FI (1) | FI942182A (fi) |
GB (2) | GB9124087D0 (fi) |
HU (1) | HUT67002A (fi) |
IN (1) | IN185811B (fi) |
RU (1) | RU2102376C1 (fi) |
TW (1) | TW305826B (fi) |
WO (1) | WO1993010070A1 (fi) |
YU (1) | YU96892A (fi) |
ZA (1) | ZA928619B (fi) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2106138T3 (es) * | 1991-06-14 | 1997-11-01 | Ici Plc | Produccion de bis(fluorometil)eter y difluorometano. |
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 |
BR9711969A (pt) * | 1996-08-27 | 1999-08-24 | Daikin Ind Ltd | Processo para prepara-Æo de difluormetano |
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)
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 |
-
1991
- 1991-11-13 GB GB919124087A patent/GB9124087D0/en active Pending
-
1992
- 1992-10-29 GB GB929222704A patent/GB9222704D0/en active Pending
- 1992-10-30 WO PCT/GB1992/001990 patent/WO1993010070A1/en active IP Right Grant
- 1992-10-30 BR BR9206735A patent/BR9206735A/pt not_active IP Right Cessation
- 1992-10-30 CA CA002123100A patent/CA2123100C/en not_active Expired - Fee Related
- 1992-10-30 AU AU27998/92A patent/AU661868B2/en not_active Ceased
- 1992-10-30 ES ES92922435T patent/ES2084386T3/es not_active Expired - Lifetime
- 1992-10-30 EP EP92922435A patent/EP0612309B1/en not_active Expired - Lifetime
- 1992-10-30 HU HU9401308A patent/HUT67002A/hu unknown
- 1992-10-30 JP JP50905293A patent/JP3479533B2/ja not_active Expired - Fee Related
- 1992-10-30 RU RU94026908A patent/RU2102376C1/ru not_active IP Right Cessation
- 1992-10-30 AT AT92922435T patent/ATE135677T1/de active
- 1992-10-30 CZ CZ941171A patent/CZ117194A3/cs unknown
- 1992-10-30 DE DE69209311T patent/DE69209311T2/de not_active Expired - Fee Related
- 1992-11-04 IN IN1007DE1992 patent/IN185811B/en unknown
- 1992-11-07 TW TW081108919A patent/TW305826B/zh active
- 1992-11-09 ZA ZA928619A patent/ZA928619B/xx unknown
- 1992-11-10 YU YU96892A patent/YU96892A/sh unknown
- 1992-11-13 CN CN92114387A patent/CN1045952C/zh not_active Expired - Fee Related
-
1993
- 1993-11-04 US US08/145,668 patent/US5344998A/en not_active Expired - Fee Related
-
1994
- 1994-05-05 US US08/238,448 patent/US5506364A/en not_active Expired - Fee Related
- 1994-05-11 FI FI942182A patent/FI942182A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
YU96892A (sh) | 1995-10-03 |
BR9206735A (pt) | 1995-10-31 |
DE69209311D1 (de) | 1996-04-25 |
JPH07502266A (ja) | 1995-03-09 |
ATE135677T1 (de) | 1996-04-15 |
RU2102376C1 (ru) | 1998-01-20 |
CA2123100A1 (en) | 1993-05-27 |
TW305826B (en) | 1997-05-21 |
EP0612309A1 (en) | 1994-08-31 |
AU661868B2 (en) | 1995-08-10 |
ZA928619B (en) | 1994-02-21 |
DE69209311T2 (de) | 1996-08-22 |
US5344998A (en) | 1994-09-06 |
WO1993010070A1 (en) | 1993-05-27 |
AU2799892A (en) | 1993-06-15 |
CA2123100C (en) | 2003-12-30 |
ES2084386T3 (es) | 1996-05-01 |
EP0612309B1 (en) | 1996-03-20 |
FI942182A0 (fi) | 1994-05-11 |
JP3479533B2 (ja) | 2003-12-15 |
GB9124087D0 (en) | 1992-01-02 |
US5506364A (en) | 1996-04-09 |
HUT67002A (en) | 1995-01-30 |
CZ117194A3 (en) | 1994-11-16 |
CN1045952C (zh) | 1999-10-27 |
CN1079729A (zh) | 1993-12-22 |
HU9401308D0 (en) | 1994-08-29 |
IN185811B (fi) | 2001-05-05 |
GB9222704D0 (en) | 1992-12-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |