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ES2142553T3 - Procedimiento para la fabricacion de difluormetano. - Google Patents

Procedimiento para la fabricacion de difluormetano.

Info

Publication number
ES2142553T3
ES2142553T3 ES96401151T ES96401151T ES2142553T3 ES 2142553 T3 ES2142553 T3 ES 2142553T3 ES 96401151 T ES96401151 T ES 96401151T ES 96401151 T ES96401151 T ES 96401151T ES 2142553 T3 ES2142553 T3 ES 2142553T3
Authority
ES
Spain
Prior art keywords
difluormethane
procedure
manufacture
fluoration
difluoromethane
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
Application number
ES96401151T
Other languages
English (en)
Inventor
Beno T Requieme
Sylvain Perdrieux
Bernard Cheminal
Eric Lacroix
Andre Lantz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arkema France SA
Original Assignee
Elf Atochem SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9480505&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2142553(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Elf Atochem SA filed Critical Elf Atochem SA
Application granted granted Critical
Publication of ES2142553T3 publication Critical patent/ES2142553T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
    • 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

LA INVENCION SE REFIERE A LA SINTESIS DE DIFLUOROMETANO POR FLUORACION CATALITICA EN FASE GASEOSA DE CLORURO DE METILENO. PARA AUMENTAR LA DURACION DE VIDA DEL CATALIZADOR, SE OPERA EN PRESENCIA DE CLORO.
ES96401151T 1995-06-29 1996-05-29 Procedimiento para la fabricacion de difluormetano. Expired - Lifetime ES2142553T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9507821A FR2736050B1 (fr) 1995-06-29 1995-06-29 Procede de fabrication du difluoromethane

Publications (1)

Publication Number Publication Date
ES2142553T3 true ES2142553T3 (es) 2000-04-16

Family

ID=9480505

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96401151T Expired - Lifetime ES2142553T3 (es) 1995-06-29 1996-05-29 Procedimiento para la fabricacion de difluormetano.

Country Status (12)

Country Link
US (2) US6242659B1 (es)
EP (1) EP0751108B1 (es)
JP (1) JP3675959B2 (es)
KR (1) KR100346127B1 (es)
CN (1) CN1066428C (es)
AU (1) AU700839B2 (es)
CA (1) CA2180283C (es)
DE (1) DE69606102T2 (es)
ES (1) ES2142553T3 (es)
FR (1) FR2736050B1 (es)
GR (1) GR3032401T3 (es)
TW (1) TW324004B (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736050B1 (fr) 1995-06-29 1997-08-01 Atochem Elf Sa Procede de fabrication du difluoromethane
FR2748022B1 (fr) * 1996-04-29 1998-07-24 Atochem Elf Sa Procede de fabrication du difluoromethane
WO1999007470A1 (en) * 1997-08-08 1999-02-18 Alliedsignal Inc. Fluorination catalysts and process for their preparation
WO2004007410A1 (en) * 2002-07-10 2004-01-22 Srf Limited A process for the production of difluoromethane
CN100372821C (zh) * 2002-07-10 2008-03-05 Srf有限公司 二氟甲烷的制备方法
JP2004328986A (ja) * 2003-01-14 2004-11-18 Toyo Tetsushin Kogyo Kk モータ用固定子コアおよびその製造方法
US7214839B2 (en) * 2003-05-23 2007-05-08 Honeywell International Inc. Method of making hydrofluorocarbons
US7112708B2 (en) * 2004-04-01 2006-09-26 Honeywell International Inc. Method of making difluoromethane, 1,1,1-trifluoroethane and 1,1-difluoroethane
US7273835B2 (en) 2004-08-04 2007-09-25 Honeywell International Inc. Azeotrope-like compositions of difluoromethane
GB0507139D0 (en) * 2005-04-08 2005-05-18 Ineos Fluor Holdings Ltd Catalyst
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
EP2950926B1 (en) * 2013-01-29 2020-02-19 Arkema, Inc. Activation and regeneration of fluorination catalysts
US9612470B2 (en) 2014-01-10 2017-04-04 Apple Inc. Display with column spacer structures
JP7029093B2 (ja) * 2020-09-01 2022-03-03 セントラル硝子株式会社 トランス－１－クロロ－３，３，３－トリフルオロプロペンの製造方法

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FR2501062A1 (fr) 1980-12-29 1982-09-10 Ugine Kuhlmann Catalyseurs de fluoruration en phase gazeuse de derives chlores aliphatiques, a base de microbilles d'oxyde de chrome, et procedes de fluoruration utilisant ces catalyseurs
FR2501064A1 (fr) 1980-12-29 1982-09-10 Ugine Kuhlmann Catalyseurs de fluoruration en phase gazeuse des hydrocarbures chlores et chlorofluores aliphatiques, a base d'oxyde de chrome depose sur charbon actif, et procedes de fluoruration utilisant ces catalyseurs
FR2501056A1 (fr) 1980-12-29 1982-09-10 Ugine Kuhlmann Catalyseurs de fluoruration en phase gazeuse des hydrocarbures chlores et chlorofluores aliphatiques, a base de sels ou oxydes de chrome et de phosphate d'aluminium, et procedes de fluoruration utilisant ces catalyseurs
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DE4419534C1 (de) 1994-06-03 1995-10-19 Hoechst Ag Verfahren zur Regenerierung eines chrom- und magnesiumhaltigen Fluorierungskatalysators
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Also Published As

Publication number Publication date
TW324004B (en) 1998-01-01
CA2180283A1 (fr) 1996-12-30
AU5627296A (en) 1997-01-09
KR970001290A (ko) 1997-01-24
EP0751108B1 (fr) 2000-01-12
CA2180283C (fr) 2007-01-09
JP3675959B2 (ja) 2005-07-27
US20010003786A1 (en) 2001-06-14
JPH0920696A (ja) 1997-01-21
KR100346127B1 (ko) 2002-10-31
FR2736050B1 (fr) 1997-08-01
EP0751108A1 (fr) 1997-01-02
US6639115B2 (en) 2003-10-28
AU700839B2 (en) 1999-01-14
DE69606102T2 (de) 2000-08-10
CN1144213A (zh) 1997-03-05
FR2736050A1 (fr) 1997-01-03
GR3032401T3 (en) 2000-05-31
CN1066428C (zh) 2001-05-30
US6242659B1 (en) 2001-06-05
DE69606102D1 (de) 2000-02-17

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