KR920017708A - 불소화 촉매 및 이의 제조방법 - Google Patents

불소화 촉매 및 이의 제조방법 Download PDF

Info

Publication number
KR920017708A
KR920017708A KR1019920003791A KR920003791A KR920017708A KR 920017708 A KR920017708 A KR 920017708A KR 1019920003791 A KR1019920003791 A KR 1019920003791A KR 920003791 A KR920003791 A KR 920003791A KR 920017708 A KR920017708 A KR 920017708A
Authority
KR
South Korea
Prior art keywords
catalyst
zinc
chromium
chloro
tetrafluoroethane
Prior art date
Application number
KR1019920003791A
Other languages
English (en)
Other versions
KR100217353B1 (ko
Inventor
데이비드 스콧 존
존 왓슨 마이클
Original Assignee
수잔 제인 젠틀
임페리알 케미칼 인더스트리스 피엘씨
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 수잔 제인 젠틀, 임페리알 케미칼 인더스트리스 피엘씨 filed Critical 수잔 제인 젠틀
Publication of KR920017708A publication Critical patent/KR920017708A/ko
Application granted granted Critical
Publication of KR100217353B1 publication Critical patent/KR100217353B1/ko

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00Acyclic saturated compounds containing halogen atoms
    • C07C19/08Acyclic saturated compounds containing halogen atoms containing fluorine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24Chromium, molybdenum or tungsten
    • B01J23/26Chromium
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/093Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/10Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/093Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/093Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/21Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms with simultaneous increase of the number of halogen atoms

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)
  • Catalysts (AREA)
  • Glass Compositions (AREA)

Abstract

내용 없음

Description

불소화 촉매 및 이의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (17)

  1. 활성을 촉진시킬 수 있는 양 만큼의 아연 또는 아연 화합물이 들어있는 크로뮴을 함유하는 불소화 촉매.
  2. 제1항에 있어서, 크로뮴을 함유하는 촉매가 금속 산화물, 할로겐화된 금속 산화물 또는 금속 옥시할라이드로 이루어진 촉매.
  3. 제2항에 있어서, 금속 산화물, 할로겐화된 금속 산화물 또는 금속 옥시할라이드의 금속이 크로뮴, 마그네슘, 알루미늄 또는 지르코늄인 촉매.
  4. 제3항에 있어서, 크로뮴을 함유하는 촉매가 크로미아, 할로겐화된 크로미아 또는 크로뮴 옥시할라이드로 이루어진 촉매.
  5. 제4항에 있어서, 활성을 촉진시킬수 있는 양만큼의 아연 또는 아연 화합물이 코로미아, 할로겐화된 크로미아 또는 크로뮴 옥시할라이드위에 담지되어 있는 촉매.
  6. 제4항 또는 제5항에 있어서, 크로미아, 할로겐화된 크로미아 또는 크로뮴 옥시할라이드에 활성을 촉진시킬 수 있는 양만큼의 아연 또는 아연 화합물이 함침된 촉매.
  7. 제6항에 있어서, 아연의 양이 촉매의 약 0.5- 약 6중량%인 촉매.
  8. 제4항에 있어서, 아연과 지르코늄의 혼합된 산화물로 구성된 촉매.
  9. 활성을 촉진시킬 수 있는 양 만큼의 아연 또는 아연 화합물을 촉매에 주입시키는 것으로 이루어지는, 크로뮴을 함유하는 불소화 촉매의 활성을 증가시키는 방법.
  10. 제5항에 있어서, 수산화아연과 수산화크로뮴을 공침전시킨뒤 이 수산화물을 산화아연 및 산화 크로뮴으로 전환시키는 것으로 이루어진 방법.
  11. 제9항에 있어서, 크로뮴을 함유하는 촉매에 수용성 아연염을 함침시킨 것으로 이루어진 방법.
  12. 탄화수소 또는 할로겐화된 탄화수소를 재1항 내지 제8항중의 어느 한 항에 따른 불소화 촉매가 존재하는 증기상내에서 불화수소와 반응시키는 것으로 이루어진, 불소화된 탄화수소를 제조하는 방법.
  13. 제12항에 있어서, 할로겐화된 탄화수소가 염소원자를 최소 한개 포함하는 C1-C4알칸 또는 알켄으로 이어진 방법.
  14. 제13항에 있어서, 할로겐화된 탄화수소가 1-클로로-2,2,2-트리플루오로에탄, 트리클로로에틸렌, 1-클로로-2,2-디플루오로에틸렌 및 퍼클로로에틸렌으로 이루어진 그룹으로부터 선택된 방법.
  15. 제14항에 있어서, 1-클로로-2,2,2-트리플루오로에탄을 증기상내에서 불화수소와 반응시켜 1,1,1,2-테트라플루오로에탄을 만드는 방법.
  16. 제15항에 있어서, (a)트리클로로에틸렌을 불화수소와 반응시켜 1-클로로-2,2,2-트리플루오로에탄을 만들고, (b)1-클로로-2,2,2-트리플루오로에탄을 불소수소와 반웅시켜, 1,1,1,2-테트라플루오로에탄을 만드는 단계로 이루어지는데, 제1항 내지 제8항중의 어느 한 항에 따른 크로뮴 함유 촉매를 단계 (a) 및 (b)중의 최소한 한 단계에 사용을 하는 방법.
  17. 제10항에 있어서, (A) 1-클로로-2,2,2-트리플루오로에탄과 불화수소의 혼합물을 제1반응 구역에 넣어 250-350℃에서 개선된 제1항 내지 제8항중의 어느 한 항에 따른 촉매와 접촉시켜 반응하지 않은 출발물질과 함께 1,1,1,2-테트라플루오로에탄 및 염화수소를 함유하는 생성물을 만들고; (B) 단계 A의 생성물 모두를 트리클로로에틸렌과 함께 180-300℃에서 제1항 내지 제8항중의 어느 한 항에 따른 촉매가 들어있는 제2 반응구역에 보내 1-클로로-2,2,2-트리플루오로에탄, 1,1,1,2-테트라플루오로에탄 및 염화수소를 함유하는 생성물을 만들고; (C) 단계 B의 생성물을 처리하여 1-클로로-2,2,2-트리플루오로에탄, 반응하지 않은 불화수소 및 반응 하지 않은 트리클로로에틸렌으로부터 1,1,1,2-테트라플루오로에탄 및 염화수소를 함유하는 혼합물을 분리하고; (D) 단계 C에서 얻은 1-클로로-2,2,2-트리플루오로에탄을 부가적인 불화수소와 함께 제1반응 구역으로 보내고; (E) 단계 C에서 얻은 1,1,1,2-테트라플루오로에탄/염화수소 혼합물에서 부터 1,1,1,2-테트라플루오로에탄을 회수하는 단계로 이루어진 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920003791A 1991-03-07 1992-03-07 불소화 촉매 및 이의 제조방법 KR100217353B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9104775.3 1991-03-07
GB919104775A GB9104775D0 (en) 1991-03-07 1991-03-07 Fluorination catalyst and process

Publications (2)

Publication Number Publication Date
KR920017708A true KR920017708A (ko) 1992-10-21
KR100217353B1 KR100217353B1 (ko) 1999-09-01

Family

ID=10691125

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920003791A KR100217353B1 (ko) 1991-03-07 1992-03-07 불소화 촉매 및 이의 제조방법

Country Status (25)

Country Link
US (3) US5281568A (ko)
EP (3) EP0502605B1 (ko)
JP (1) JPH05220400A (ko)
KR (1) KR100217353B1 (ko)
CN (2) CN1064628A (ko)
AT (2) ATE140399T1 (ko)
AU (1) AU658161B2 (ko)
CA (1) CA2059983C (ko)
CS (1) CS17192A3 (ko)
DE (2) DE69212183T2 (ko)
DK (1) DK0502605T3 (ko)
ES (2) ES2255705T3 (ko)
FI (1) FI920273A (ko)
GB (2) GB9104775D0 (ko)
GR (1) GR3020970T3 (ko)
HU (1) HUT63825A (ko)
IE (1) IE75727B1 (ko)
IN (1) IN185352B (ko)
MY (1) MY108102A (ko)
NO (1) NO920299L (ko)
PL (1) PL293283A1 (ko)
RU (1) RU2032464C1 (ko)
SG (1) SG50565A1 (ko)
YU (1) YU13292A (ko)
ZA (1) ZA92396B (ko)

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185482A (en) * 1989-02-03 1993-02-09 E. I. Du Pont De Nemours And Company Manufacture of 1,1,1,2-tetrafluoroethane
IT1230779B (it) * 1989-07-12 1991-10-29 Ausimont Srl Procedimento per preparare 1,1,1,2 tetrafluoroetano.
GB9104775D0 (en) * 1991-03-07 1991-04-17 Ici Plc Fluorination catalyst and process
US6300531B1 (en) * 1991-05-24 2001-10-09 Daikin Industries, Ltd. Fluorination catalyst and process for fluorinating halogenated hydrocarbon
GB9219720D0 (en) * 1992-09-17 1992-10-28 Ici Plc Catalyst production
GB9404703D0 (en) * 1993-03-24 1994-04-27 Ici Plc Production of difluoromethane
DE69407870T2 (de) * 1993-06-18 1998-08-27 Showa Denko Kk Fluorierungskatalysator und Fluorierungsverfahren
DE69415748T2 (de) * 1993-09-07 1999-08-19 Showa Denko K.K. Auf Chrom basierter Fluorierungskatalysator, Verfahren zur Herstellung dieses Katalysators und Fluorierungsverfahren mittels dieses Katalysators
KR960010775B1 (ko) * 1993-12-01 1996-08-08 한국과학기술연구원 염화수소의 산화에 의한 염소제조용 염화세륨-삼산화이크롬 촉매 및 이의 제조방법
KR960016683B1 (en) * 1993-12-09 1996-12-20 Korea Inst Sci & Tech Method of producing fluorization catalyst for preparing 1,1,1,2-tetrafluoroethane
GB9406813D0 (en) * 1994-04-06 1994-05-25 Ici Plc Production of pentafluoroethane
US5494877A (en) * 1994-06-20 1996-02-27 Showa Denko K. K. Chromium-based fluorination catalyst containing gallium and production method thereof
GB9417116D0 (en) * 1994-08-24 1994-10-12 Ici Plc Process for the manufacture of pentafluoroethane
JP3558385B2 (ja) * 1994-10-13 2004-08-25 昭和電工株式会社 クロム系フッ素化触媒、及びフッ素化方法
KR0125143B1 (ko) * 1994-12-02 1997-11-27 김은영 1,1,1-트리플루오로-2,2-디클로로에탄의 불소화 촉매 및 그것의 제조방법
JP3853397B2 (ja) * 1995-05-11 2006-12-06 イネオス フラウアー ホールデイングス リミテッド ペンタフルオロエタンの製造方法及びペンタフルオロエタンに転化するのに適当な組成物
US5654494A (en) * 1995-08-18 1997-08-05 Alliedsignal Inc. Process for the manufacture of 1,1,1,2-tetrafluoroethane
KR0152580B1 (ko) * 1995-08-23 1998-10-15 김은영 1,1,1,2-테트라플루오로에탄, 펜타플루오로에탄 및 1,1,1-트리플루오로에탄의 병산 방법
FR2740994B1 (fr) 1995-11-10 1997-12-05 Atochem Elf Sa Catalyseurs massiques a base d'oxyde de chrome, leur procede de preparation et leur application a la fluoration d'hydrocarbures halogenes
US5864859A (en) * 1996-02-20 1999-01-26 International Business Machines Corporation System and method of compression and decompression using store addressing
US6403524B2 (en) * 1996-09-10 2002-06-11 Imperial Chemical Industries Plc Fluorination catalyst and process
ES2192768T3 (es) 1997-04-23 2003-10-16 Asahi Glass Co Ltd Procedimiento de produccion de hidrocarburos halogenados.
JP2001512092A (ja) * 1997-07-31 2001-08-21 インペリアル・ケミカル・インダストリーズ・ピーエルシー 1,1,1,2,3,3,3−ヘプタフルオロプロパンの気相製造
JP3552887B2 (ja) * 1997-10-09 2004-08-11 ダイキン工業株式会社 1,1,1,2,2−ペンタフルオロエタンの製造方法
JP3520900B2 (ja) * 1997-12-12 2004-04-19 ダイキン工業株式会社 ペンタフルオロエタンの製造方法、並びにフッ素化用触媒及びその製造方法
DE10085452T1 (de) * 2000-03-31 2003-06-18 Council Scient Ind Res Verfahren zur Herstellung von 1,1,1,2-Tetrafluorethan
US7485598B2 (en) * 2006-06-21 2009-02-03 Arkema Inc. High pressure catalyst activation method and catalyst produced thereby
JP4397687B2 (ja) * 2001-06-28 2010-01-13 ハネウェル・インターナショナル・インコーポレーテッド 弗素化触媒を調製する方法
FR2828193B1 (fr) 2001-08-03 2004-04-02 Atofina Nouveau procede de preparation du 1,1,1,-trifluoro-2,2-dichloroethane
CN100393679C (zh) * 2003-10-14 2008-06-11 纳幕尔杜邦公司 制备1,1,1,3,3,3-六氟丙烷以及1,1,1,2,3,3-六氟丙烷和1,1,1,2,3,3,3-七氟丙烷中至少之一的方法
AU2004281282A1 (en) * 2003-10-14 2005-04-28 E.I. Dupont De Nemours And Company Process for the preparation of 1,1,1,3,3-pentafluoropropane and 1,1,1,3,3,3-hexafluoropropane
EP1673165B1 (en) 2003-10-14 2012-07-25 E.I. Du Pont De Nemours And Company Processes of using chromium oxide compositions containing zinc for changing the fluorine distribution in a halogenated hydrocarbon by disproportionation or dehodrofluorination
CN100387562C (zh) * 2003-10-14 2008-05-14 纳幕尔杜邦公司 制备1,1,1,3,3-五氟丙烷和1,1,1,2,3-五氟丙烷的方法
WO2005058489A1 (en) * 2003-12-16 2005-06-30 E.I. Dupont De Nemours And Company Selective chromium catalyst compositions, their preparation and use for producing 1,1,2-trichloropentafluoropropane
CN100372607C (zh) * 2004-12-23 2008-03-05 西安近代化学研究所 氟化催化剂及其制造方法和用途
DE102005012632A1 (de) * 2005-03-18 2006-09-21 Infineon Technologies Ag Verfahren und Schaltungsanordnung zur geschützten Übertragung von Datenworten
GB0507139D0 (en) 2005-04-08 2005-05-18 Ineos Fluor Holdings Ltd Catalyst
CN1911512B (zh) * 2005-07-07 2011-12-07 独立行政法人产业技术综合研究所 氟化催化剂及其制备方法、以及使用了该催化剂的氟化合物的制备方法
CN100434166C (zh) * 2005-09-09 2008-11-19 北京宇极科技发展有限公司 氢氟烃的制备工艺及其专用催化剂的制备方法
CN100427207C (zh) * 2005-09-12 2008-10-22 山东东岳化工有限公司 用于气相法生产1,1一二氟乙烷的催化剂
CN1308072C (zh) * 2005-09-30 2007-04-04 山东东岳化工有限公司 一种用于1,1,1,2-四氟乙烷的铁系铬基催化剂
GB0525699D0 (en) 2005-12-17 2006-01-25 Ineos Fluor Holdings Ltd Process
GB0525700D0 (en) 2005-12-17 2006-01-25 Ineos Fluor Holdings Ltd Process
GB0525701D0 (en) 2005-12-17 2006-01-25 Ineos Fluor Holdings Ltd Process
GB0806422D0 (en) 2008-04-09 2008-05-14 Ineos Fluor Holdings Ltd Process
MX337217B (es) 2006-10-03 2016-02-18 Mexichem Amanco Holding Sa Procedimiento de dehidrogenacion-halogenacion para la produccion de (hidro)fluoroalquenos de c3-c6.
GB0625214D0 (en) 2006-12-19 2007-01-24 Ineos Fluor Holdings Ltd Process
GB0706978D0 (en) 2007-04-11 2007-05-16 Ineos Fluor Holdings Ltd Process
GB0721991D0 (en) 2007-11-09 2007-12-19 Ineos Fluor Holdings Ltd Preparation method
GB0806419D0 (en) 2008-04-09 2008-05-14 Ineos Fluor Holdings Ltd Process
GB0806389D0 (en) * 2008-04-09 2008-05-14 Ineos Fluor Holdings Ltd Process
GB0808836D0 (en) 2008-05-15 2008-06-18 Ineos Fluor Ltd Process
EP2331257B1 (en) 2008-09-05 2021-06-16 Mexichem Fluor S.A. de C.V. Fluorinated fluorination catalyst and process to produce fluorinated hydrocarbons
GB0816208D0 (en) * 2008-09-05 2008-10-15 Ineos Fluor Holdings Ltd Catlyst and process using the catalyst
GB0906191D0 (en) 2009-04-09 2009-05-20 Ineos Fluor Holdings Ltd Process
US8158549B2 (en) * 2009-09-04 2012-04-17 Honeywell International Inc. Catalysts for fluoroolefins hydrogenation
CN103313960B (zh) * 2011-01-21 2016-06-08 阿克马法国公司 催化气相氟化
WO2012098421A1 (en) * 2011-01-21 2012-07-26 Arkema France Catalytic gas phase fluorination
GB2492847A (en) 2011-07-15 2013-01-16 Mexichem Amanco Holding Sa A process for reducing TFMA content in R-1234
TWI615194B (zh) * 2011-10-12 2018-02-21 拜耳智慧財產有限公司 1,1,2-三氯乙烷及/或1,2-二氯乙烷的催化氣相氟化以產生1-氯-2,2-二氟乙烷
GB2540428B (en) 2015-07-17 2017-09-13 Mexichem Fluor Sa De Cv Process for preparing 3,3,3-trifluoropropene
GB2540427B (en) 2015-07-17 2017-07-19 Mexichem Fluor Sa De Cv Process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf)
GB2559056B (en) 2015-07-17 2019-09-11 Mexichem Fluor Sa De Cv Process for preparing 245cb and 1234yf from 243db
CN105688890B (zh) * 2016-02-01 2019-03-01 乳源东阳光氟有限公司 一种氟化催化剂及其制备方法
FR3055221B1 (fr) 2016-08-29 2023-12-15 Arkema France Compositions de catalyseurs d'oxyfluorure ou de fluorure de chrome, leur preparation et leur utilisation dans des procedes en phase gazeuse
GB201615197D0 (en) 2016-09-07 2016-10-19 Mexichem Fluor Sa De Cv Catalyst and process using the catalyst
GB201615209D0 (en) 2016-09-07 2016-10-19 Mexichem Fluor Sa De Cv Catalyst and process using the catalyst
JP6753434B2 (ja) * 2018-06-13 2020-09-09 ダイキン工業株式会社 ジフルオロエチレンの製造方法
JP2021508668A (ja) * 2018-11-08 2021-03-11 福建永晶科技股▲ふん▼有限公司Fujian Yongjing Technology Co., Ltd 1,1,1−トリフルオロ−2−クロロエタン(HCFC−133a)及び/又はトリフルオロエチルアミン(TFEA)の新しい製造方法
GB2580623A (en) * 2019-01-17 2020-07-29 Mexichem Fluor Sa De Cv Method
WO2020164217A1 (en) * 2019-02-15 2020-08-20 Fujian Yongjing Technology Co., Ltd New process for manufacture of fluoroaryl compounds and derivatives
JP7353013B2 (ja) 2019-08-29 2023-09-29 フジアン ヨンジン テクノロジー カンパニー リミテッド フルオロベンゼンおよびその触媒の製造プロセス
CN111604092B (zh) * 2020-06-16 2022-12-06 中国民航大学 一种铬单原子氟化催化剂的制备方法及其应用

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876265A (en) * 1959-03-03 Process of preparation of unsaturated
US1668838A (en) * 1926-06-21 1928-05-08 Commercial Solvents Corp Zinc oxide catalysts
US1996115A (en) * 1931-05-29 1935-04-02 Du Pont Alkyl halide synthesis
US2436143A (en) * 1946-07-16 1948-02-17 Du Pont Preparation of fluoroalkanes
GB1017647A (en) * 1963-05-22 1966-01-19 British Petroleum Co Mixtures of carbon dioxide and hydrogen
NL148035B (nl) * 1965-09-14 1975-12-15 Montedison Spa Werkwijze voor de bereiding van gefluoreerde en/of gechlorofluoreerde organische verbindingen.
GB1307224A (en) * 1969-06-27 1973-02-14 Ici Ltd Chromium oxide catalyst
SE374675B (ko) * 1970-06-10 1975-03-17 Montedison Spa
JPS557414B2 (ko) * 1972-08-31 1980-02-25
US3878257A (en) * 1973-08-10 1975-04-15 Du Pont Catalytic conversion of 1,1,2-trichlorotrifluoropropene-1 to 2-chloropentafluoropropene
GB1589924A (en) * 1977-02-17 1981-05-20 Ici Ltd Manufacture of 1,1,1,2-tetrafluoroethane halogenated compounds
US4180516A (en) * 1977-08-18 1979-12-25 Mobil Oil Corporation Conversion of synthesis gas to aromatic hydrocarbons
JPS5434712A (en) * 1977-08-24 1979-03-14 Hitachi Ltd Deflection yoke
US4312780A (en) * 1980-09-15 1982-01-26 Air Products And Chemicals, Inc. Reactivation of spent chromia-alumina catalyst by zinc oxide doping
DE3036044A1 (de) * 1980-09-24 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Optischer stern-koppler mit planarem mischerelement
EP0109703B1 (en) * 1982-11-22 1986-03-19 Shell Internationale Researchmaatschappij B.V. Catalyst preparation
EP0455748B2 (en) * 1989-02-03 2003-01-15 E.I. Du Pont De Nemours And Company Manufacture of 1,1,1,2-tetrafluoroethane
JP2751401B2 (ja) * 1989-05-24 1998-05-18 旭硝子株式会社 1,1‐ジクロロ‐1,2,2,2―テトラフルオロエタンの製造方法
IT1230779B (it) * 1989-07-12 1991-10-29 Ausimont Srl Procedimento per preparare 1,1,1,2 tetrafluoroetano.
US5243107A (en) * 1990-03-29 1993-09-07 Imperial Chemical Industries Plc Chemical process
GB9104775D0 (en) * 1991-03-07 1991-04-17 Ici Plc Fluorination catalyst and process
JPH1180838A (ja) * 1997-09-10 1999-03-26 Nippon Seiko Kk 転がり軸受

Also Published As

Publication number Publication date
US5623092A (en) 1997-04-22
FI920273A (fi) 1992-09-08
IE920163A1 (en) 1992-09-09
CA2059983C (en) 2002-10-29
GR3020970T3 (en) 1996-12-31
EP1350564A1 (en) 2003-10-08
NO920299D0 (no) 1992-01-22
DK0502605T3 (da) 1996-10-28
CA2059983A1 (en) 1992-09-08
DE69233583D1 (de) 2006-01-26
ATE313377T1 (de) 2006-01-15
US5281568A (en) 1994-01-25
US5449656A (en) 1995-09-12
CN1130615A (zh) 1996-09-11
ATE140399T1 (de) 1996-08-15
HUT63825A (en) 1993-10-28
HU9200220D0 (en) 1992-05-28
DE69233583T2 (de) 2006-08-03
YU13292A (sh) 1994-09-09
RU2032464C1 (ru) 1995-04-10
DE69212183D1 (de) 1996-08-22
DE69212183T2 (de) 1996-12-05
EP0666105A3 (ko) 1995-09-06
ES2255705T3 (es) 2006-07-01
ES2089381T3 (es) 1996-10-01
JPH05220400A (ja) 1993-08-31
GB9200841D0 (en) 1992-03-11
CS17192A3 (en) 1992-09-16
IE75727B1 (en) 1997-09-24
CN1049647C (zh) 2000-02-23
AU658161B2 (en) 1995-04-06
CN1064628A (zh) 1992-09-23
PL293283A1 (en) 1992-10-05
ZA92396B (en) 1992-11-25
EP0666105A2 (en) 1995-08-09
IN185352B (ko) 2001-01-06
FI920273A0 (fi) 1992-01-22
SG50565A1 (en) 1998-07-20
AU1032492A (en) 1992-09-10
MY108102A (en) 1996-08-15
EP0502605A1 (en) 1992-09-09
EP0666105B1 (en) 2005-12-21
KR100217353B1 (ko) 1999-09-01
EP0502605B1 (en) 1996-07-17
GB9104775D0 (en) 1991-04-17
NO920299L (no) 1992-09-08

Similar Documents

Publication Publication Date Title
KR920017708A (ko) 불소화 촉매 및 이의 제조방법
US5254771A (en) Process for the preparation of 1,1,1-trifluoro-2-2-dichloroethane under elevated pressure
EP0453502B1 (en) Process for the chlorination of ethane
KR940018340A (ko) 퍼클로로에틸렌 또는 펜타 클로로에탄의 플루오르화 방법
KR960703833A (ko) 1,1,1,3,3-펜타플루오르 프로판의 제조방법
CA2004312A1 (en) Production of allyl chloride
KR920701093A (ko) 1,1,1,2-테트라플루오로에탄의 제조
US3476817A (en) Process for the preparation of fluorinated organic compounds via fluorination in vapor phase of aliphatic hydrocarbons
US5919994A (en) Catalytic halogenated hydrocarbon processing and ruthenium catalysts for use therein
KR940703797A (ko) 1,1,1,2- 테트라 플루오로에탄으로부터 2-클로로-1,1-디플루오로에틸렌을 제거하는 방법 및 이로부터 2-클로로-1,1,1,2-테트라플루오로 에탄을 동시 제조하는 방법
US5107040A (en) Dehydrohalogenation using magnesium hydroxide
KR940018341A (ko) 1,1,1,2-테트라플루오로-2-클로로에탄 및 펜타플루오로에탄의 제조방법
CA2137234C (en) Production of hydrofluoroalkanes
JP2846713B2 (ja) 高められた圧力の下に1,1,1‐トリフルオロ‐2,2‐ジクロロエタンを製造する方法
US3754043A (en) Conversion of perhaloalkanes
KR970069959A (ko) 1, 1, 1, 2-테트라플루오로에탄과 펜타플루오로에탄의 병산방법
KR960004307A (ko) 불화탄화수소 화합물들의 병산 제조방법
KR950702516A (ko) 1,1,1-트리클로로-2,2,2-트리플루오로에탄의 제조방법(process for the preparation of 1,1,1-trichloro-2,2,2-trifluoroethane)
US4119674A (en) Process for production of 1,1,1-trichloroethane and vinylidene chloride
EP3749628A1 (en) Gas phase process for chlorotrifluoroethylene
TW200535119A (en) Method of removing water from hydrofluorocarbon manufacturing processes
GB1254311A (en) Manufacture of halohydrocarbons
GB1113892A (en) A process for the production of tetrachloroethene from organic material comprising at least a substantial proportion of propane,propene and/or derivatives of these hydrocarbons
SE7504596L (sv) Forfarande for framstellning av trikloretan.

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20110502

Year of fee payment: 13

EXPY Expiration of term