ATE196758T1 - Verfahren zur herstellung von difluoromethan - Google Patents
Verfahren zur herstellung von difluoromethanInfo
- Publication number
- ATE196758T1 ATE196758T1 AT95923567T AT95923567T ATE196758T1 AT E196758 T1 ATE196758 T1 AT E196758T1 AT 95923567 T AT95923567 T AT 95923567T AT 95923567 T AT95923567 T AT 95923567T AT E196758 T1 ATE196758 T1 AT E196758T1
- Authority
- AT
- Austria
- Prior art keywords
- difluoromethane
- dichloromethane
- range
- catalyst
- hydrogen fluoride
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/06—Halogens; Compounds thereof
- B01J27/08—Halides
- B01J27/12—Fluorides
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15115194 | 1994-07-01 | ||
| PCT/JP1995/001320 WO1996001241A1 (fr) | 1994-07-01 | 1995-07-03 | Procede pour produire du difluoromethane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE196758T1 true ATE196758T1 (de) | 2000-10-15 |
Family
ID=15512479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT95923567T ATE196758T1 (de) | 1994-07-01 | 1995-07-03 | Verfahren zur herstellung von difluoromethan |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6407296B1 (de) |
| EP (1) | EP0770588B1 (de) |
| JP (1) | JP3572619B2 (de) |
| KR (1) | KR100344864B1 (de) |
| CN (1) | CN1062547C (de) |
| AT (1) | ATE196758T1 (de) |
| AU (1) | AU690708B2 (de) |
| BR (1) | BR9508165A (de) |
| CA (1) | CA2194151C (de) |
| DE (1) | DE69519026T2 (de) |
| ES (1) | ES2152408T3 (de) |
| PT (1) | PT770588E (de) |
| WO (1) | WO1996001241A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1010626A3 (fr) * | 1996-09-16 | 1998-11-03 | Solvay | Procede pour la preparation de difluoromethane. |
| US6023004A (en) * | 1996-11-12 | 2000-02-08 | Alliedsignal, Inc. | Liquid phase catalytic fluorination of hydrochlorocarbon and hydrochlorofluorocarbon |
| AU2234999A (en) * | 1998-01-16 | 1999-08-02 | Allied-Signal Inc. | Method of producing fluorinated organic compounds |
| US6153802A (en) * | 1998-05-08 | 2000-11-28 | Alliedsignal Inc. | Liquid-fluorination system and method |
| 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 |
| CN102527414B (zh) * | 2011-12-28 | 2013-01-02 | 临海市利民化工有限公司 | 一种制备二氟甲烷或二氟一氯甲烷的氟化催化剂及制备方法和应用 |
| FR2994430B1 (fr) | 2012-08-10 | 2014-12-19 | Arkema France | Procede de production du difluoromethane |
| CN113993828A (zh) | 2019-06-07 | 2022-01-28 | 大金工业株式会社 | 含有(e)－1,2－二氟乙烯的反应气体的制造方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2749375A (en) | 1956-06-05 | Fluorination | ||
| US2005711A (en) * | 1931-05-20 | 1935-06-18 | Kinetic Chemicals Inc | Preparation of organic fluorine compounds |
| US2510872A (en) * | 1944-08-03 | 1950-06-06 | Atomic Energy Commission | Method for regenerating antimony pentafluoride from spent antimony halides resulting from the fluorination of organic chlorides |
| US2749374A (en) | 1950-02-24 | 1956-06-05 | Dow Chemical Co | Production of methylene fluoride |
| JPS5221482B2 (de) * | 1974-02-05 | 1977-06-10 | ||
| US4078007A (en) | 1975-10-03 | 1978-03-07 | Halocarbon Products Corporation | Fluorine substitution in 1,1,1-trihalomethanes |
| JPS59231030A (ja) * | 1983-06-11 | 1984-12-25 | Showa Denko Kk | ジフルオロメタンの製造方法 |
| EP0128510A3 (de) | 1983-06-07 | 1985-05-15 | Showa Denko Kabushiki Kaisha | Verfahren zur Herstellung von Difluormethan |
| JPH0788591B2 (ja) * | 1987-04-21 | 1995-09-27 | 株式会社トクヤマ | 腐食防止方法 |
| JPS6436556A (en) | 1987-07-31 | 1989-02-07 | Nippon Cable Kk | Device for transferring cabin and cable gripper of ropeway |
| JPH0791202B2 (ja) | 1988-08-05 | 1995-10-04 | 旭硝子株式会社 | １，１−ジクロロ−２，２，２−トリフルオロエタンの製造法 |
| JPH085817B2 (ja) | 1990-06-18 | 1996-01-24 | ダイキン工業株式会社 | １―クロロ―２，２，２―トリフルオロエタンの製造方法 |
| JPH0717882A (ja) * | 1993-07-05 | 1995-01-20 | Daikin Ind Ltd | ジフルオロメタンの製造方法 |
| JPH0791202A (ja) | 1993-09-22 | 1995-04-04 | Mitsubishi Heavy Ind Ltd | 蒸気タービン |
| KR960022411A (ko) * | 1994-12-28 | 1996-07-18 | 남경희 | 디플루오로메탄의 제조방법 |
| JP3414562B2 (ja) * | 1995-10-13 | 2003-06-09 | ダイキン工業株式会社 | １，１，１，３，３−ペンタフルオロプロパンの製造方法 |
-
1995
- 1995-07-03 ES ES95923567T patent/ES2152408T3/es not_active Expired - Lifetime
- 1995-07-03 AU AU28079/95A patent/AU690708B2/en not_active Ceased
- 1995-07-03 KR KR1019960707575A patent/KR100344864B1/ko not_active IP Right Cessation
- 1995-07-03 WO PCT/JP1995/001320 patent/WO1996001241A1/ja active IP Right Grant
- 1995-07-03 CN CN95193919A patent/CN1062547C/zh not_active Expired - Lifetime
- 1995-07-03 EP EP95923567A patent/EP0770588B1/de not_active Expired - Lifetime
- 1995-07-03 AT AT95923567T patent/ATE196758T1/de not_active IP Right Cessation
- 1995-07-03 PT PT95923567T patent/PT770588E/pt unknown
- 1995-07-03 CA CA002194151A patent/CA2194151C/en not_active Expired - Fee Related
- 1995-07-03 JP JP50378196A patent/JP3572619B2/ja not_active Expired - Lifetime
- 1995-07-03 DE DE69519026T patent/DE69519026T2/de not_active Expired - Fee Related
- 1995-07-03 US US08/750,746 patent/US6407296B1/en not_active Expired - Fee Related
- 1995-07-03 BR BR9508165A patent/BR9508165A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU2807995A (en) | 1996-01-25 |
| EP0770588A4 (de) | 1997-07-30 |
| PT770588E (pt) | 2001-02-28 |
| DE69519026T2 (de) | 2001-05-17 |
| ES2152408T3 (es) | 2001-02-01 |
| CN1151724A (zh) | 1997-06-11 |
| CA2194151A1 (en) | 1996-01-18 |
| CA2194151C (en) | 2006-12-12 |
| US6407296B1 (en) | 2002-06-18 |
| AU690708B2 (en) | 1998-04-30 |
| EP0770588A1 (de) | 1997-05-02 |
| DE69519026D1 (de) | 2000-11-09 |
| WO1996001241A1 (fr) | 1996-01-18 |
| JP3572619B2 (ja) | 2004-10-06 |
| KR100344864B1 (ko) | 2002-09-18 |
| CN1062547C (zh) | 2001-02-28 |
| BR9508165A (pt) | 1997-12-23 |
| EP0770588B1 (de) | 2000-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |