ES2115940T3 - Produccion de difluormetano. - Google Patents
Produccion de difluormetano.Info
- Publication number
- ES2115940T3 ES2115940T3 ES94909203T ES94909203T ES2115940T3 ES 2115940 T3 ES2115940 T3 ES 2115940T3 ES 94909203 T ES94909203 T ES 94909203T ES 94909203 T ES94909203 T ES 94909203T ES 2115940 T3 ES2115940 T3 ES 2115940T3
- Authority
- ES
- Spain
- Prior art keywords
- production
- hydrogen fluoride
- difluormethane
- difluoromethane
- fluorinization
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
- C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
UN PROCESO PARA LA PRODUCCION DE DIFLUROMETANO QUE COMPRENDE (A) CONTACTAR DICLOROMETANO CON FLUORURO DE HIDROGENO EN LA PRESENCIA DE UN CATALIZADOR DE FLUORINIZACION PARA PRODUCIR UN FLUJO DE PRODUCTO QUE INCLUYE DIFLUOROMETANO, MONOCLOROMONOFLUOROMETANO Y MATERIALES DE ACTIVACION NO REACCIONADOS, Y (B) SEPARAR EL DIFLUOROMETANO DEL FLUJO DE PRODUCTO DEL PASO (A), DONDE SE EMPLEA SUFICIENTE FLUORURO DE HIDROGENO EN EL PROCESO DE MANERA QUE DURANTE EL PASO (B), EL INDICE MOLAR DEL FLUORURO DE HIDROGENO AL MONOCLOROMONOFLUOROMETANO SEA AL MENOS ALREDEDOR DE 100:1.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB939306089A GB9306089D0 (en) | 1993-03-24 | 1993-03-24 | Production of difluoromethane |
GB939306072A GB9306072D0 (en) | 1993-03-24 | 1993-03-24 | Production of difluoromethane |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2115940T3 true ES2115940T3 (es) | 1998-07-01 |
Family
ID=26302637
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES94909203T Expired - Lifetime ES2115940T3 (es) | 1993-03-24 | 1994-03-14 | Produccion de difluormetano. |
ES94909204T Expired - Lifetime ES2116586T3 (es) | 1993-03-24 | 1994-03-14 | Produccion de difluormetano. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES94909204T Expired - Lifetime ES2116586T3 (es) | 1993-03-24 | 1994-03-14 | Produccion de difluormetano. |
Country Status (15)
Country | Link |
---|---|
US (2) | US5672786A (es) |
EP (2) | EP0690833B1 (es) |
JP (2) | JPH08508029A (es) |
KR (2) | KR100323102B1 (es) |
CN (2) | CN1044227C (es) |
AU (2) | AU691486B2 (es) |
BR (2) | BR9406201A (es) |
CA (2) | CA2157878C (es) |
DE (2) | DE69410455T2 (es) |
ES (2) | ES2115940T3 (es) |
GB (2) | GB9404715D0 (es) |
RU (2) | RU2127246C1 (es) |
TW (1) | TW290531B (es) |
UA (2) | UA40612C2 (es) |
WO (2) | WO1994021579A1 (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2736050B1 (fr) | 1995-06-29 | 1997-08-01 | Atochem Elf Sa | Procede de fabrication du difluoromethane |
US5763708A (en) * | 1995-09-20 | 1998-06-09 | Allied Signal Inc. | Process for the production of difluoromethane |
FR2748022B1 (fr) * | 1996-04-29 | 1998-07-24 | Atochem Elf Sa | Procede de fabrication du difluoromethane |
BE1010626A3 (fr) * | 1996-09-16 | 1998-11-03 | Solvay | Procede pour la preparation de difluoromethane. |
US5800682A (en) * | 1996-10-08 | 1998-09-01 | Alliedsignal Inc. | Process for the production of difluoromethane |
BE1012227A3 (fr) * | 1998-10-12 | 2000-07-04 | Solvay | Catalyseur et procede d'hydrofluoration. |
WO2004007410A1 (en) * | 2002-07-10 | 2004-01-22 | Srf Limited | A process for the production of difluoromethane |
DE60231010D1 (de) * | 2002-07-10 | 2009-03-12 | Srf Ltd | Verfahren zur herstellung von difluormethan |
KR100512845B1 (ko) * | 2002-11-21 | 2005-09-07 | 울산화학주식회사 | 디플르오로메탄의 제조 방법 |
TW200516068A (en) * | 2003-09-10 | 2005-05-16 | Showa Denko Kk | Process for production of hydrofluorocarbons, products thereof and use of the products |
US7371905B2 (en) * | 2003-10-17 | 2008-05-13 | Honeywell International Inc. | Method of producing hydrofluorocarbons |
US7112708B2 (en) | 2004-04-01 | 2006-09-26 | Honeywell International Inc. | Method of making difluoromethane, 1,1,1-trifluoroethane and 1,1-difluoroethane |
DK2766117T3 (en) * | 2011-10-12 | 2018-06-25 | Bayer Ip Gmbh | CATALYTIC GAS PHASE FLUORATION OF 1,1,2-TRICHLORETHANE AND / OR 1,2-DICHLORETHANE TO PREPARE 1-CHLOR-2,2-DIFLUORETHANE |
JP2014221727A (ja) * | 2013-05-13 | 2014-11-27 | 昭和電工株式会社 | ジクロロメタンの精製方法およびそれを用いるジフルオロメタンの製造方法 |
CN114425275B (zh) * | 2020-09-18 | 2023-08-15 | 中国石油化工股份有限公司 | 甲烷氧化偶联反应器及其应用 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2744148A (en) * | 1952-02-04 | 1956-05-01 | Dow Chemical Co | Process for fluorination of haloalkanes using a hydrogen fluoride activated catalyst containing alumina, a metal fluoride and basic aluminum fluoride |
US2745886A (en) * | 1955-01-31 | 1956-05-15 | Dow Chemical Co | Process for fluorinating aliphatic halohydrocarbons with a chromium fluoride catalyst and process for preparing the catalyst |
EP0128510A3 (en) * | 1983-06-07 | 1985-05-15 | Showa Denko Kabushiki Kaisha | Process for producing difluoromethane |
GB9104775D0 (en) * | 1991-03-07 | 1991-04-17 | Ici Plc | Fluorination catalyst and process |
US5300710A (en) * | 1991-03-20 | 1994-04-05 | E. I. Du Pont De Nemours And Company | Process for the manufacture of 2-chloro-1,1,1,2-tetrafluoroethane and pentafluoroethane |
US5208395A (en) * | 1992-04-06 | 1993-05-04 | Elf Atochem North America, Inc. | Manufacture of hydrofluorocarbons |
ES2111207T3 (es) * | 1993-06-18 | 1998-03-01 | Showa Denko Kk | Catalizador de fluoracion y procedimiento de fluoracion. |
KR960022411A (ko) * | 1994-12-28 | 1996-07-18 | 남경희 | 디플루오로메탄의 제조방법 |
-
1994
- 1994-03-10 GB GB9404715A patent/GB9404715D0/en active Pending
- 1994-03-10 GB GB9404703A patent/GB9404703D0/en active Pending
- 1994-03-14 RU RU95121816A patent/RU2127246C1/ru not_active IP Right Cessation
- 1994-03-14 DE DE69410455T patent/DE69410455T2/de not_active Expired - Fee Related
- 1994-03-14 CN CN94191526A patent/CN1044227C/zh not_active Expired - Fee Related
- 1994-03-14 US US08/507,429 patent/US5672786A/en not_active Expired - Fee Related
- 1994-03-14 DE DE69410456T patent/DE69410456T2/de not_active Expired - Fee Related
- 1994-03-14 JP JP6520764A patent/JPH08508029A/ja not_active Ceased
- 1994-03-14 JP JP52076394A patent/JP3631753B2/ja not_active Expired - Fee Related
- 1994-03-14 CA CA002157878A patent/CA2157878C/en not_active Expired - Fee Related
- 1994-03-14 WO PCT/GB1994/000497 patent/WO1994021579A1/en active IP Right Grant
- 1994-03-14 RU RU95118158A patent/RU2116288C1/ru not_active IP Right Cessation
- 1994-03-14 WO PCT/GB1994/000498 patent/WO1994021580A1/en active IP Right Grant
- 1994-03-14 KR KR1019950704055A patent/KR100323102B1/ko not_active IP Right Cessation
- 1994-03-14 UA UA95094235A patent/UA40612C2/uk unknown
- 1994-03-14 BR BR9406201A patent/BR9406201A/pt not_active IP Right Cessation
- 1994-03-14 KR KR1019950704025A patent/KR100323101B1/ko not_active IP Right Cessation
- 1994-03-14 ES ES94909203T patent/ES2115940T3/es not_active Expired - Lifetime
- 1994-03-14 CN CN94191525A patent/CN1057750C/zh not_active Expired - Fee Related
- 1994-03-14 UA UA95094274A patent/UA35612C2/uk unknown
- 1994-03-14 BR BR9406236A patent/BR9406236A/pt not_active IP Right Cessation
- 1994-03-14 ES ES94909204T patent/ES2116586T3/es not_active Expired - Lifetime
- 1994-03-14 US US08/522,241 patent/US5763704A/en not_active Expired - Fee Related
- 1994-03-14 EP EP94909204A patent/EP0690833B1/en not_active Expired - Lifetime
- 1994-03-14 AU AU62133/94A patent/AU691486B2/en not_active Ceased
- 1994-03-14 AU AU62134/94A patent/AU691487B2/en not_active Ceased
- 1994-03-14 EP EP94909203A patent/EP0690832B1/en not_active Expired - Lifetime
- 1994-03-14 CA CA002157528A patent/CA2157528C/en not_active Expired - Fee Related
- 1994-03-18 TW TW083102380A patent/TW290531B/zh active
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2115940T3 (es) | Produccion de difluormetano. | |
HUP9701223A2 (hu) | Eljárás olefinek polimerizálására és katalizátor-rendszer | |
JPS56141340A (en) | Compounded rubber composition | |
ATE53057T1 (de) | Verfahren zur herstellung von kohlenwasserstoffe enthaltenden fluessigkeiten aus biomasse. | |
ES2167870T3 (es) | Sistemas cataliticos de polimerizacion que comprenden ligandos ciclopentadienuro heterociclicos fusionados. | |
FR2669921B1 (fr) | Procede de conversion de l'ethylene en olefines alpha legeres. | |
ATE11295T1 (de) | Verfahren zur polymerisation von olefinen. | |
MY105224A (en) | Catalysts for the polymerization of olefins. | |
DE69200983D1 (de) | Verfahren zur Herstellung von Wasserstoffsuperoxyd. | |
DE69204484D1 (de) | Verfahren zur Herstellung von Wasserstoffperoxyd. | |
DE69420975T2 (de) | Amido-siladiylverbrückte katalysatorkomponente, verfahren zur herstellung und verwendung | |
NO306679B1 (no) | Fast organo-aluminoksyprodukt, fremgangsmÕte til dets fremstilling, olefinpolymerisasjonskatalysatorsystem og fremgangsmÕte til fremstilling av en polymer | |
KR970001382A (ko) | 안정화된 올레핀 중합체의 제조방법 | |
MY107436A (en) | Continuous process for producing adducted epm or epdm oil solution. | |
DE68900812D1 (de) | Verfahren zur herstellung eines katalysators, verwendbar fuer die oxydierende umwandlung von methan in hohe kohlenwasserstoffe. | |
FR2503715B1 (fr) | Catalyseur de polymerisation d'olefines, son procede de production et son utilisation | |
ES2059810T3 (es) | Diorganopolisiloxano con funcion benzotriazol. | |
ES2083280T3 (es) | Empleo de productos de reaccion de homo- y copolimeros a base de anhidridos de acidos dicarboxilicos monoetilicamente insaturados con aminas o alcoholes para el engrase y el relleno de cuero y pieles de peleteria en bruto. | |
DE69101281T3 (de) | Tieftemperatur-Lufttrennung zur Erzeugung von druckerhöhtem Produktgas. | |
KR920007956A (ko) | 선형 α-올레핀의 제조방법 | |
DE69221673D1 (de) | Herstellung von Bis(fluormethyl)äther und von Difluormethan | |
IT1212779B (it) | Procedimento per la polimerizzazione di etilene e per la copolimerizzazione di etilene con alfa-olefine e catalizzatore relativo. | |
DE68905261D1 (de) | Dibenzoylmethangruppenhaltiges diorganopolysiloxan. | |
DE69108664D1 (de) | Polymervorläufer für die Herstellung von Aluminiumnitrid. | |
BG102369A (en) | 1,1-difluoro-1,4-dichlorbutane and method for its preparation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 690832 Country of ref document: ES |