ES2183920T3 - Sintesis de difluormetano. - Google Patents

Sintesis de difluormetano.

Info

Publication number
ES2183920T3
ES2183920T3 ES96401150T ES96401150T ES2183920T3 ES 2183920 T3 ES2183920 T3 ES 2183920T3 ES 96401150 T ES96401150 T ES 96401150T ES 96401150 T ES96401150 T ES 96401150T ES 2183920 T3 ES2183920 T3 ES 2183920T3
Authority
ES
Spain
Prior art keywords
difluormetan
synthesis
fluoration
difluoromethane
chrome
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
ES96401150T
Other languages
English (en)
Inventor
Benoit Requieme
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
Atofina 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=9480425&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2183920(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Atofina SA filed Critical Atofina SA
Application granted granted Critical
Publication of ES2183920T3 publication Critical patent/ES2183920T3/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
    • 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
    • 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

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 FABRICACION DE DIFLUOROMETANO POR FLUORACION CATALITICA EN FASE GASEOSA DE CLORURO DE METILENO. SE OPERA EN PRESENCIA DE OXIGENO, A UNA TEMPERATURA COMPRENDIDA ENTRE 330 Y 450 (GRADOS) C, Y CON UN CATALIZADOR AL CROMO DE MASA O SOPORTADO.
ES96401150T 1995-06-27 1996-05-29 Sintesis de difluormetano. Expired - Lifetime ES2183920T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9507705A FR2736048B1 (fr) 1995-06-27 1995-06-27 Synthese du difluoromethane

Publications (1)

Publication Number Publication Date
ES2183920T3 true ES2183920T3 (es) 2003-04-01

Family

ID=9480425

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96401150T Expired - Lifetime ES2183920T3 (es) 1995-06-27 1996-05-29 Sintesis de difluormetano.

Country Status (11)

Country Link
US (1) US5900514A (es)
EP (1) EP0751107B1 (es)
JP (1) JP3758749B2 (es)
KR (1) KR100346286B1 (es)
CN (1) CN1066429C (es)
AU (1) AU714842B2 (es)
CA (1) CA2179536C (es)
DE (1) DE69624759T2 (es)
ES (1) ES2183920T3 (es)
FR (1) FR2736048B1 (es)
TW (1) TW328071B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974350T1 (de) * 1996-02-07 2001-01-25 Kissei Pharmaceutical Co., Ltd. Tranilast enthaltendes externum und verfahren zu dessen herstellung
JP2001524459A (ja) * 1997-11-21 2001-12-04 アライドシグナル・インコーポレイテッド ハイドロフルオロカーボンの製造方法
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
KR100567208B1 (ko) * 2004-06-03 2006-04-07 장세창 타수계가 구비된 관절형 골프티
ES2770405T3 (es) 2010-10-22 2020-07-01 Arkema France Proceso para la fabricación de 2-cloro-3,3,3-trifluropropeno por fluoración en fase gaseosa de pentacloropropano
CN102659835B (zh) * 2012-02-26 2016-02-17 河北工业大学 一种氟代磷酸酯材料的制备方法
JP6176262B2 (ja) * 2015-01-13 2017-08-09 ダイキン工業株式会社 含フッ素オレフィンの製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3644545A (en) * 1968-06-20 1972-02-22 Allied Chem Improved vapor phase fluorination procedure in the presence of catalyst and alkali metal fluoride
JPS5182206A (en) * 1975-01-16 1976-07-19 Asahi Glass Co Ltd Futsusokashokubaino katsuseiijihoho
US5051537A (en) * 1988-02-12 1991-09-24 E. I. Du Pont De Nemours And Company Gas-phase fluorination
CA1310335C (en) * 1988-02-12 1992-11-17 Leo E. Manzer Gas-phase fluorination process
FR2684567B1 (fr) * 1991-12-09 1994-11-04 Atochem Catalyseurs massiques a base d'oxydes de chrome et de nickel, et leur application a la fluoration d'hydrocarbures halogenes.
FR2686875B1 (fr) * 1992-01-30 1994-04-08 Atochem Elf Sa Procede de fabrication du 1,1,1,2-tetrafluoroethane.
DE69407870T2 (de) * 1993-06-18 1998-08-27 Showa Denko Kk Fluorierungskatalysator und Fluorierungsverfahren
US5763708A (en) * 1995-09-20 1998-06-09 Allied Signal Inc. Process for the production of difluoromethane

Also Published As

Publication number Publication date
EP0751107A1 (fr) 1997-01-02
KR100346286B1 (ko) 2002-11-30
AU714842B2 (en) 2000-01-13
EP0751107B1 (fr) 2002-11-13
US5900514A (en) 1999-05-04
DE69624759D1 (de) 2002-12-19
CA2179536A1 (fr) 1996-12-28
FR2736048B1 (fr) 1997-08-01
DE69624759T2 (de) 2003-07-03
JPH0912488A (ja) 1997-01-14
CN1066429C (zh) 2001-05-30
KR970001289A (ko) 1997-01-24
CN1150943A (zh) 1997-06-04
TW328071B (en) 1998-03-11
JP3758749B2 (ja) 2006-03-22
CA2179536C (fr) 2008-06-03
FR2736048A1 (fr) 1997-01-03
AU5629096A (en) 1997-01-09

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