ZA928619B - Chemical process - Google Patents
Chemical processInfo
- Publication number
- ZA928619B ZA928619B ZA928619A ZA928619A ZA928619B ZA 928619 B ZA928619 B ZA 928619B ZA 928619 A ZA928619 A ZA 928619A ZA 928619 A ZA928619 A ZA 928619A ZA 928619 B ZA928619 B ZA 928619B
- Authority
- ZA
- South Africa
- Prior art keywords
- metal
- fluoromethyl
- bis
- ether
- reaction
- Prior art date
Links
- 238000001311 chemical methods and process Methods 0.000 title 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 6
- 238000004821 distillation Methods 0.000 abstract 3
- SGAMQLNREKTWEK-UHFFFAOYSA-N fluoro(fluoromethoxy)methane Chemical compound FCOCF SGAMQLNREKTWEK-UHFFFAOYSA-N 0.000 abstract 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract 2
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 abstract 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910001512 metal fluoride Inorganic materials 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB919124087A GB9124087D0 (en) | 1991-11-13 | 1991-11-13 | Chemical process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA928619B true ZA928619B (en) | 1994-02-21 |
Family
ID=10704549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA928619A ZA928619B (en) | 1991-11-13 | 1992-11-09 | Chemical process |
Country Status (20)
| Country | Link |
|---|---|
| US (2) | US5344998A (ru) |
| EP (1) | EP0612309B1 (ru) |
| JP (1) | JP3479533B2 (ru) |
| CN (1) | CN1045952C (ru) |
| AT (1) | ATE135677T1 (ru) |
| AU (1) | AU661868B2 (ru) |
| BR (1) | BR9206735A (ru) |
| CA (1) | CA2123100C (ru) |
| CZ (1) | CZ117194A3 (ru) |
| DE (1) | DE69209311T2 (ru) |
| ES (1) | ES2084386T3 (ru) |
| FI (1) | FI942182A0 (ru) |
| GB (2) | GB9124087D0 (ru) |
| HU (1) | HUT67002A (ru) |
| IN (1) | IN185811B (ru) |
| RU (1) | RU2102376C1 (ru) |
| TW (1) | TW305826B (ru) |
| WO (1) | WO1993010070A1 (ru) |
| YU (1) | YU96892A (ru) |
| ZA (1) | ZA928619B (ru) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN1122008C (zh) * | 1996-08-27 | 2003-09-24 | 大金工业株式会社 | 二氟甲烷的制备方法 |
| 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 HU HU9401308A patent/HUT67002A/hu unknown
- 1992-10-30 JP JP50905293A patent/JP3479533B2/ja not_active Expired - Fee Related
- 1992-10-30 AU AU27998/92A patent/AU661868B2/en not_active Ceased
- 1992-10-30 DE DE69209311T patent/DE69209311T2/de not_active Expired - Fee Related
- 1992-10-30 ES ES92922435T patent/ES2084386T3/es not_active Expired - Lifetime
- 1992-10-30 CZ CZ941171A patent/CZ117194A3/cs unknown
- 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 RU RU94026908A patent/RU2102376C1/ru not_active IP Right Cessation
- 1992-10-30 EP EP92922435A patent/EP0612309B1/en not_active Expired - Lifetime
- 1992-10-30 AT AT92922435T patent/ATE135677T1/de active
- 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/FI942182A0/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| US5506364A (en) | 1996-04-09 |
| CZ117194A3 (en) | 1994-11-16 |
| CA2123100C (en) | 2003-12-30 |
| TW305826B (en) | 1997-05-21 |
| DE69209311D1 (de) | 1996-04-25 |
| FI942182A (fi) | 1994-05-11 |
| EP0612309B1 (en) | 1996-03-20 |
| CA2123100A1 (en) | 1993-05-27 |
| GB9124087D0 (en) | 1992-01-02 |
| WO1993010070A1 (en) | 1993-05-27 |
| BR9206735A (pt) | 1995-10-31 |
| AU661868B2 (en) | 1995-08-10 |
| HUT67002A (en) | 1995-01-30 |
| AU2799892A (en) | 1993-06-15 |
| RU2102376C1 (ru) | 1998-01-20 |
| JPH07502266A (ja) | 1995-03-09 |
| HU9401308D0 (en) | 1994-08-29 |
| CN1045952C (zh) | 1999-10-27 |
| YU96892A (sh) | 1995-10-03 |
| FI942182A0 (fi) | 1994-05-11 |
| ATE135677T1 (de) | 1996-04-15 |
| US5344998A (en) | 1994-09-06 |
| JP3479533B2 (ja) | 2003-12-15 |
| DE69209311T2 (de) | 1996-08-22 |
| GB9222704D0 (en) | 1992-12-09 |
| EP0612309A1 (en) | 1994-08-31 |
| ES2084386T3 (es) | 1996-05-01 |
| CN1079729A (zh) | 1993-12-22 |
| IN185811B (ru) | 2001-05-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB9222704D0 (en) | Chemical process | |
| JPS5527139A (en) | Preparation of tetrafluoroethane | |
| GB1511961A (en) | Process for the production of methyl formate | |
| IN185920B (ru) | ||
| IN162567B (ru) | ||
| GB902682A (en) | Process for the manufacture of fluorethylenes | |
| KR940009058A (ko) | 수소 제조법과 그에 사용되는 촉매 | |
| ES473516A1 (es) | Procedimiento para preparar 1,1,1,2-tetrafluoretano. | |
| FI863006A (fi) | Foerfarande foer framstaellning av metanol i en vaetskefas. | |
| KR940703742A (ko) | 비스 (플루오로메틸) 에테르와 디플루오로메탄의 제조방법(production of bis (flloromethyl) ether and difluoromethane) | |
| JPS5527138A (en) | Preparation of 1,2,2,2-tetrafluoroethane | |
| GB1090499A (en) | Hydrogenation process | |
| IL101484A0 (en) | Process for conducting chemical reactions with formaldehyde | |
| JPS56108538A (en) | Catalyst for preparing methane and preparation thereof | |
| ES8200320A1 (es) | Procedimiento para la obtencion de olefinas c2-c5. | |
| JPS55116439A (en) | Catalyst support | |
| GB909941A (en) | Condensation of ketones to prepare higher molecular weight ketones | |
| JPS565471A (en) | Preparation of ethylene oxide | |
| Martin et al. | Process for the production of bis (fluoromethyl) ether and difluoromethane | |
| GB1523979A (en) | Process for reducing chlorate content of aqueous alkali metal hydroxide solution which contains chlorate | |
| Parida et al. | Oxidative coupling of methane over Bi 2 O 3− P 2 O 5− K 2 O/Sm 2 O 3 | |
| JPS537612A (en) | Preparation of formic acid or formates | |
| Gunasekaran et al. | Kinetics and mechanism of CO oxidation on Ln sub (2) NiO sub (4) oxides(Ln identical with La, Pr or Nd). | |
| JPS5668629A (en) | Preparation of ortho methylated phenol | |
| Adamčíková et al. | Kinetics and mechanism of redox reactions of U (III) ions with 2-chloro and 2-bromopropanoic acids |