BR9508165A - Processo para a produção de diflúor metano - Google Patents

Processo para a produção de diflúor metano

Info

Publication number
BR9508165A
BR9508165A BR9508165A BR9508165A BR9508165A BR 9508165 A BR9508165 A BR 9508165A BR 9508165 A BR9508165 A BR 9508165A BR 9508165 A BR9508165 A BR 9508165A BR 9508165 A BR9508165 A BR 9508165A
Authority
BR
Brazil
Prior art keywords
production
dichloromethane
range
catalyst
hydrogen fluoride
Prior art date
Application number
BR9508165A
Other languages
English (en)
Inventor
Yasufu Yamada
Takashi Shibanuma
Takehide Tsuda
Original Assignee
Daikin Ind Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daikin Ind Ltd filed Critical Daikin Ind Ltd
Publication of BR9508165A publication Critical patent/BR9508165A/pt

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)
BR9508165A 1994-07-01 1995-07-03 Processo para a produção de diflúor metano BR9508165A (pt)

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
BR9508165A true BR9508165A (pt) 1997-12-23

Family

ID=15512479

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9508165A BR9508165A (pt) 1994-07-01 1995-07-03 Processo para a produção de diflúor metano

Country Status (13)

Country Link
US (1) US6407296B1 (pt)
EP (1) EP0770588B1 (pt)
JP (1) JP3572619B2 (pt)
KR (1) KR100344864B1 (pt)
CN (1) CN1062547C (pt)
AT (1) ATE196758T1 (pt)
AU (1) AU690708B2 (pt)
BR (1) BR9508165A (pt)
CA (1) CA2194151C (pt)
DE (1) DE69519026T2 (pt)
ES (1) ES2152408T3 (pt)
PT (1) PT770588E (pt)
WO (1) WO1996001241A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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
DE69921964D1 (de) * 1998-01-16 2004-12-23 Allied Signal Inc Verfahren zur herstellung von organischen fluorverbindungen
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
EP3981757A4 (en) * 2019-06-07 2023-10-11 Daikin Industries, Ltd. METHOD FOR PRODUCING A REACTION GAS CONTAINING (E)-1,2-DIFLUOROETHYLENE

Family Cites Families (16)

* Cited by examiner, † Cited by third party
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 (pt) * 1974-02-05 1977-06-10
US4078007A (en) * 1975-10-03 1978-03-07 Halocarbon Products Corporation Fluorine substitution in 1,1,1-trihalomethanes
EP0128510A3 (en) 1983-06-07 1985-05-15 Showa Denko Kabushiki Kaisha Process for producing difluoromethane
JPS59231030A (ja) * 1983-06-11 1984-12-25 Showa Denko Kk ジフルオロメタンの製造方法
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

Also Published As

Publication number Publication date
ES2152408T3 (es) 2001-02-01
AU2807995A (en) 1996-01-25
DE69519026T2 (de) 2001-05-17
DE69519026D1 (de) 2000-11-09
EP0770588B1 (en) 2000-10-04
US6407296B1 (en) 2002-06-18
CA2194151A1 (en) 1996-01-18
KR100344864B1 (ko) 2002-09-18
AU690708B2 (en) 1998-04-30
WO1996001241A1 (fr) 1996-01-18
EP0770588A1 (en) 1997-05-02
EP0770588A4 (en) 1997-07-30
CN1062547C (zh) 2001-02-28
CN1151724A (zh) 1997-06-11
JP3572619B2 (ja) 2004-10-06
ATE196758T1 (de) 2000-10-15
CA2194151C (en) 2006-12-12
PT770588E (pt) 2001-02-28

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Legal Events

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B24C Patent annual fee: request for for restoration

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B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AO NAO CUMPRIMENTO DO DESPACHO 24.3 NA RPI 2054 DE 18/05/2010 E COMPROVAR RECOLHIMENTO DA16A, 17A E 18A ANUIDADES.