KR960700983A - 디플루오로메탄 제조방법(production of difluoromethane) - Google Patents

디플루오로메탄 제조방법(production of difluoromethane) Download PDF

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Publication number
KR960700983A
KR960700983A KR1019950704055A KR19950704055A KR960700983A KR 960700983 A KR960700983 A KR 960700983A KR 1019950704055 A KR1019950704055 A KR 1019950704055A KR 19950704055 A KR19950704055 A KR 19950704055A KR 960700983 A KR960700983 A KR 960700983A
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KR
South Korea
Prior art keywords
zinc
range
difluoromethane
metal
fluoride
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KR1019950704055A
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English (en)
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KR100323102B1 (ko
Inventor
존 데이비드 스코트
마이클 존 왓슨
데이비드 윌리엄 보니페이스
Original Assignee
발레리 앤 모어랜드
임페리얼 케미컬 인더스트리스 피엘씨
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26302637&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR960700983(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB939306072A external-priority patent/GB9306072D0/en
Priority claimed from GB939306089A external-priority patent/GB9306089D0/en
Application filed by 발레리 앤 모어랜드, 임페리얼 케미컬 인더스트리스 피엘씨 filed Critical 발레리 앤 모어랜드
Publication of KR960700983A publication Critical patent/KR960700983A/ko
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Publication of KR100323102B1 publication Critical patent/KR100323102B1/ko

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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

Abstract

본 발명은 아연 또는 화합물 및 금속 산화물, 금속 풀루오르화물 또는 금속 옥시플루오르화물로 구성되는 디플루오로메탄의 제조방법에 관한다.

Description

디플루오로메탄 제조방법(PRODUCTION OF DIFLUOROMETHANE)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. 아연 또는 아연 화합물 및 금속 플루오르화물 또는 금속 옥시플루오르화물로 구성되는 풀루오르화 촉매의 존재하에 디클로로메탄올 플루오르화수소와 접촉시키는 단계로 구성되는 디플루오로메탄의 제조방법
  2. 제1항에 있어서 촉매가 아연 또는 아연 화합물 및 크로미아, 크롬 플루오라이드 또는 크롬 옥시플루오라이드로 구성되는 방법
  3. 제1항 또는 제2항에 있어서 온도가 약 240-약320°C의 범위내인 방법
  4. 제1항 또는 제2항에 있어서 플루오르화수소와 디클로로메탄의 몰비가 약5:1-약25:1의 범위내인 방법
  5. 제1항에 있어서 촉매의 중량을 기준한 아연의 중량%가 약0.5-약 30%인 범위내인 방법
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950704055A 1993-03-24 1994-03-14 디플루오로메탄제조방법 KR100323102B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9306072.1 1993-03-24
GB939306072A GB9306072D0 (en) 1993-03-24 1993-03-24 Production of difluoromethane
GB939306089A GB9306089D0 (en) 1993-03-24 1993-03-24 Production of difluoromethane
GB9306089.5 1993-03-24
PCT/GB1994/000498 WO1994021580A1 (en) 1993-03-24 1994-03-14 Production of difluoromethane

Publications (2)

Publication Number Publication Date
KR960700983A true KR960700983A (ko) 1996-02-24
KR100323102B1 KR100323102B1 (ko) 2002-11-07

Family

ID=26302637

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019950704055A KR100323102B1 (ko) 1993-03-24 1994-03-14 디플루오로메탄제조방법
KR1019950704025A KR100323101B1 (ko) 1993-03-24 1994-03-14 디플루오로메탄제조방법

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1019950704025A KR100323101B1 (ko) 1993-03-24 1994-03-14 디플루오로메탄제조방법

Country Status (15)

Country Link
US (2) US5763704A (ko)
EP (2) EP0690832B1 (ko)
JP (2) JP3631753B2 (ko)
KR (2) KR100323102B1 (ko)
CN (2) CN1044227C (ko)
AU (2) AU691486B2 (ko)
BR (2) BR9406201A (ko)
CA (2) CA2157878C (ko)
DE (2) DE69410455T2 (ko)
ES (2) ES2116586T3 (ko)
GB (2) GB9404703D0 (ko)
RU (2) RU2127246C1 (ko)
TW (1) TW290531B (ko)
UA (2) UA40612C2 (ko)
WO (2) WO1994021579A1 (ko)

Families Citing this family (16)

* 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
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.
ATE421497T1 (de) * 2002-07-10 2009-02-15 Srf Ltd Verfahren zur herstellung von difluormethan
WO2004007410A1 (en) * 2002-07-10 2004-01-22 Srf Limited A process for the production of difluoromethane
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
MX2011002366A (es) * 2008-09-05 2011-06-27 Mexichen Amanco Holding Sa De Capital Variable Catalizador de fluoracion y proceso para producir hidrocarburos fluorados.
BR112014008902B1 (pt) * 2011-10-12 2020-03-10 Bayer Intellectual Property Gmbh Fluoração catalítica em fase gasosa de 1,1,2-tricloroetano e/ou 1,2-dicloroeteno para produzir 1-clor0-2,2-difluoroetano
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE69410455D1 (de) 1998-06-25
RU2116288C1 (ru) 1998-07-27
CN1119432A (zh) 1996-03-27
KR100323101B1 (ko) 2002-11-04
RU2127246C1 (ru) 1999-03-10
JPH08508028A (ja) 1996-08-27
EP0690832B1 (en) 1998-05-20
US5672786A (en) 1997-09-30
EP0690833B1 (en) 1998-05-20
CA2157878C (en) 2005-03-01
AU691486B2 (en) 1998-05-21
BR9406201A (pt) 1995-12-12
EP0690833A1 (en) 1996-01-10
CN1119431A (zh) 1996-03-27
EP0690832A1 (en) 1996-01-10
KR960700982A (ko) 1996-02-24
WO1994021580A1 (en) 1994-09-29
US5763704A (en) 1998-06-09
UA35612C2 (uk) 2001-04-16
TW290531B (en) 1996-11-11
JP3631753B2 (ja) 2005-03-23
GB9404703D0 (en) 1994-04-27
WO1994021579A1 (en) 1994-09-29
KR100323102B1 (ko) 2002-11-07
CN1044227C (zh) 1999-07-21
GB9404715D0 (en) 1994-04-27
ES2116586T3 (es) 1998-07-16
UA40612C2 (uk) 2001-08-15
CA2157528A1 (en) 1994-09-29
DE69410456D1 (de) 1998-06-25
ES2115940T3 (es) 1998-07-01
DE69410456T2 (de) 1998-09-17
CN1057750C (zh) 2000-10-25
AU6213494A (en) 1994-10-11
DE69410455T2 (de) 1998-09-17
AU6213394A (en) 1994-10-11
JPH08508029A (ja) 1996-08-27
CA2157878A1 (en) 1994-09-29
BR9406236A (pt) 1996-01-09
AU691487B2 (en) 1998-05-21
CA2157528C (en) 2005-05-10

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