[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

IT1230779B - Procedimento per preparare 1,1,1,2 tetrafluoroetano. - Google Patents

Procedimento per preparare 1,1,1,2 tetrafluoroetano.

Info

Publication number
IT1230779B
IT1230779B IT8921159A IT2115989A IT1230779B IT 1230779 B IT1230779 B IT 1230779B IT 8921159 A IT8921159 A IT 8921159A IT 2115989 A IT2115989 A IT 2115989A IT 1230779 B IT1230779 B IT 1230779B
Authority
IT
Italy
Prior art keywords
tetrafluoroethane
preparing
procedure
Prior art date
Application number
IT8921159A
Other languages
English (en)
Other versions
IT8921159A0 (it
Inventor
Paolo Cuzzato
Antonio Masiero
Original Assignee
Ausimont Srl
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 Ausimont Srl filed Critical Ausimont Srl
Publication of IT8921159A0 publication Critical patent/IT8921159A0/it
Priority to IT8921159A priority Critical patent/IT1230779B/it
Priority to CA002020853A priority patent/CA2020853C/en
Priority to EP90113264A priority patent/EP0408005B1/en
Priority to SU904830540A priority patent/RU1838288C/ru
Priority to UA4830540A priority patent/UA18253A/uk
Priority to ES90113264T priority patent/ES2062212T3/es
Priority to DE69006951T priority patent/DE69006951T2/de
Priority to KR1019900010578A priority patent/KR0145411B1/ko
Priority to BR909003345A priority patent/BR9003345A/pt
Priority to CN90104695A priority patent/CN1025325C/zh
Priority to AU58931/90A priority patent/AU627907B2/en
Priority to JP2185166A priority patent/JP2999229B2/ja
Application granted granted Critical
Publication of IT1230779B publication Critical patent/IT1230779B/it
Priority to US08/337,128 priority patent/US5463151A/en
Priority to US08/507,644 priority patent/US5608125A/en
Priority to US08/752,685 priority patent/US5880316A/en
Priority to US09/209,942 priority patent/US6037508A/en

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
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts 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
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • 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
    • B01J27/125—Halogens; Compounds thereof with scandium, yttrium, aluminium, gallium, indium or thallium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • 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
    • C07C17/21—Preparation 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)
IT8921159A 1989-07-12 1989-07-12 Procedimento per preparare 1,1,1,2 tetrafluoroetano. IT1230779B (it)

Priority Applications (16)

Application Number Priority Date Filing Date Title
IT8921159A IT1230779B (it) 1989-07-12 1989-07-12 Procedimento per preparare 1,1,1,2 tetrafluoroetano.
CA002020853A CA2020853C (en) 1989-07-12 1990-07-10 Process for preparing 1,1,1,2-tetrafluoroethane
EP90113264A EP0408005B1 (en) 1989-07-12 1990-07-11 Process for preparing 1,1,1,2-tetrafluoroethane
SU904830540A RU1838288C (ru) 1989-07-12 1990-07-11 Способ получени 1,1,1,2-тетрафторэтана
UA4830540A UA18253A (uk) 1989-07-12 1990-07-11 Спосіб одержаhhя 1,1,1,2-тетрафторетаhу
ES90113264T ES2062212T3 (es) 1989-07-12 1990-07-11 Procedimiento para preparar 1,1,1,2-tetrafluoroetano.
DE69006951T DE69006951T2 (de) 1989-07-12 1990-07-11 Verfahren zur Herstellung von 1,1,1,2-Tetrafluorethan.
BR909003345A BR9003345A (pt) 1989-07-12 1990-07-12 Processo para a preparacao de 1,1,1,2-tetrafluoretano
KR1019900010578A KR0145411B1 (ko) 1989-07-12 1990-07-12 1,1,1,2-테트라플루오로에탄의 제조 방법
CN90104695A CN1025325C (zh) 1989-07-12 1990-07-12 制备1，1，1，2-四氟乙烷的方法
AU58931/90A AU627907B2 (en) 1989-07-12 1990-07-12 Process for preparing 1,1,1,2-tetrafluoroethane
JP2185166A JP2999229B2 (ja) 1989-07-12 1990-07-12 １，１，１，２―テトラフルオロエタンの製造法
US08/337,128 US5463151A (en) 1989-07-12 1994-11-10 Process for preparing 1,1,1,2-tetrafluoroethane
US08/507,644 US5608125A (en) 1989-07-12 1995-07-25 Process for preparing 1,1,1,2-tetrafluoroethane
US08/752,685 US5880316A (en) 1989-07-12 1996-11-19 Process for preparing 1,1,1,2-tetrafluoroethane
US09/209,942 US6037508A (en) 1989-07-12 1998-12-11 Process for preparing 1,1,1,2-tetrafluoroethane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8921159A IT1230779B (it) 1989-07-12 1989-07-12 Procedimento per preparare 1,1,1,2 tetrafluoroetano.

Publications (2)

Publication Number Publication Date
IT8921159A0 IT8921159A0 (it) 1989-07-12
IT1230779B true IT1230779B (it) 1991-10-29

Family

ID=11177629

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921159A IT1230779B (it) 1989-07-12 1989-07-12 Procedimento per preparare 1,1,1,2 tetrafluoroetano.

Country Status (13)

Country Link
US (4) US5463151A (it)
EP (1) EP0408005B1 (it)
JP (1) JP2999229B2 (it)
KR (1) KR0145411B1 (it)
CN (1) CN1025325C (it)
AU (1) AU627907B2 (it)
BR (1) BR9003345A (it)
CA (1) CA2020853C (it)
DE (1) DE69006951T2 (it)
ES (1) ES2062212T3 (it)
IT (1) IT1230779B (it)
RU (1) RU1838288C (it)
UA (1) UA18253A (it)

Families Citing this family (28)

* 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.
JPH07100671B2 (ja) * 1990-03-13 1995-11-01 ダイキン工業株式会社 １，１，１，２―テトラフルオロエタンの製造方法
AU645063B2 (en) * 1990-03-13 1994-01-06 Daikin Industries, Ltd. Process for preparing 1,1,1,2-tetrafluoroethane
US5334786A (en) * 1990-03-13 1994-08-02 Daikin Industries, Ltd. Process for preparing 1,1,1,2-tetrafluoroethane
GB9007029D0 (en) * 1990-03-29 1990-05-30 Ici Plc Chemical process
GB9104775D0 (en) * 1991-03-07 1991-04-17 Ici Plc Fluorination catalyst and process
TR25587A (tr) * 1991-05-16 1993-07-01 Ici Plc 1,1,1,2-TETRAFLüORETANIN IMALINE MAHSUS ISLEM
US5334785A (en) * 1991-10-25 1994-08-02 Allied-Signal Inc. Process for the manufacture of 1,1,1,2-tetrafluoroethane
AU2892292A (en) * 1991-10-25 1993-05-21 Allied-Signal Inc. Process for the manufacture of 1,1,1,2-tetrafluoroethane
GB9204072D0 (en) * 1992-02-26 1992-04-08 Ici Plc Fluorination catalyst and process
US5744660A (en) * 1992-06-10 1998-04-28 Imperial Chemical Industries Plc Products of tetrafluorothanes
WO1993025506A1 (en) * 1992-06-10 1993-12-23 Imperial Chemical Industries Plc Production of tetrafluoroethanes
IT1255781B (it) * 1992-08-14 1995-11-15 Ausimont Spa Procedimento per preparare 1,1,1-trifluoro-2-cloroetano
GB9407257D0 (en) * 1993-04-22 1994-06-08 Ici Plc Vaporisation of liquids
IT1270959B (it) * 1993-08-13 1997-05-26 Ausimont Spa Processo per la preparazione di pentafluoroetano
CN1041804C (zh) * 1995-09-13 1999-01-27 西安近代化学研究所 氟化卤代烃的氟化催化剂
EP0801980B1 (en) * 1996-04-17 2002-09-11 AUSIMONT S.p.A. Catalyst for the fluorination of halogenated hydrocarbons
US5981813A (en) * 1996-05-22 1999-11-09 Ausimont S.P.A. Fluorination process of halogenated organic compounds
IT1303074B1 (it) 1998-05-07 2000-10-23 Ausimont Spa Catalizzatore per la fluorurazione di composti organici alogenati
IT1312105B1 (it) 1999-05-13 2002-04-04 Ausimont Spa Procedimento per ottenere pentafluoroetano per dismutazione daclorotetrafluoroetano
IT1312104B1 (it) 1999-05-13 2002-04-04 Ausimont Spa Processo per ottenere pentafluoroetano per dismutazione ditetrafluorocloretano
EP1539347B1 (en) 2002-08-22 2012-06-27 E.I. Du Pont De Nemours And Company Cobalt substituted chromium oxide compositions, their preparation and their use as catalysts and catalyst precursors
JP2006512271A (ja) * 2003-01-03 2006-04-13 ソルベイ ソレクシス ソシエタ ペル アツィオーニ フッ化アルミニウム
WO2005092823A2 (en) * 2004-03-29 2005-10-06 Showa Denko K.K. Process for production of 1,1,1,2-tetrafluoroethane and/or pentafluoroethane and applications of the same
JP2008210709A (ja) * 2007-02-27 2008-09-11 Daiko Electric Co Ltd 反射鏡及びこの反射鏡を備えた照明器具
CN102151576B (zh) * 2011-03-01 2012-08-08 浙江师范大学 一种用于氟化氯代烯烃的催化剂及其制备方法
CN108623431A (zh) * 2018-06-28 2018-10-09 江苏三美化工有限公司 一种通过净化反应提纯1,1,1,2-四氟乙烷的方法

Family Cites Families (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1914135A (en) * 1930-07-23 1933-06-13 Du Pont Process for producing carbon halides
US2005708A (en) * 1933-08-24 1935-06-18 Kinetic Chemicals Inc Production of halogenated ethane derivatives containing fluorine
US2402854A (en) * 1940-06-13 1946-06-25 Universal Oil Prod Co Hydrocarbon conversion
US2426172A (en) * 1942-05-12 1947-08-26 Kinetic Chemicals Inc Fluorination of unsaturated compounds
US2399024A (en) * 1943-08-23 1946-04-23 Du Pont Process for obtaining 1,2-dichloro-1,1-difluoroethane
US2490764A (en) * 1945-07-04 1949-12-13 Kinetic Chemicals Inc Fluorinated organic compounds
US2480560A (en) * 1945-12-06 1949-08-30 Kinetic Chemicals Inc Method for pyrolyzing polyfluoroalkanes
US2458551A (en) * 1947-02-18 1949-01-11 Du Pont Preparation of carbon tetrafluoride
US2637747A (en) * 1948-01-23 1953-05-05 Purdue Research Foundation Fluorination
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
US2744147A (en) * 1952-02-04 1956-05-01 Dow Chemical Co Fluorination of haloalkanes with a catalyst containing gamma alumina
US2739989A (en) * 1953-03-03 1956-03-27 Du Pont Process for reacting ccl4 with caf2 in a fluid bed, and the fluid bed therefor
US2745867A (en) * 1955-01-31 1956-05-15 Dow Chemical Co Fluorination of perhaloacetonitriles over an improved chromium fluoride catalyst
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
US2885427A (en) * 1956-11-15 1959-05-05 Dow Chemical Co Fluorination of trichloroethylene
BE563523A (it) * 1957-01-14
US2951102A (en) * 1958-04-30 1960-08-30 Dow Chemical Co Chlorofluoromethylfluoroform
GB881003A (en) * 1958-05-07 1961-11-01 Ici Ltd Improvements in the manufacture of organic halogen compounds
US3258500A (en) * 1959-08-17 1966-06-28 Du Pont Process for fluorinating halohydro-carbons
DE1252182B (it) * 1962-01-13 1967-10-19
US3240826A (en) * 1962-01-22 1966-03-15 Dow Chemical Co Selective fluorination of polyhaloethanes
NL274475A (it) * 1962-02-07
GB1000485A (en) * 1962-02-07 1965-08-04 Sicedison Spa Improvements in or relating to the fluorination of halo-olefines
GB976883A (en) * 1962-06-13 1964-12-02 Ici Ltd Improvements in or relating to the manufacture of organic flourine compounds
DE1224732B (de) * 1962-11-08 1966-09-15 Du Pont Verfahren zur Herstellung von Vinylfluorid und 1, 1-Difluoraethan
DE1215671B (de) * 1963-09-04 1966-05-05 Hoechst Ag Verfahren zur Herstellung von Fluorchlormethanen
DE1767200B1 (de) * 1968-04-11 1971-12-30 Hoechst Ag Verfahren zur Regenerierung von Fluorierungskatalysatoren der Chromoxyfluoridgruppe
JPS4823797B1 (it) * 1968-08-14 1973-07-16
DK138673B (da) * 1968-10-10 1978-10-16 Montedison Spa Katalysator til fremstilling af chlorfluorerede ethaner.
DE1910529C3 (de) * 1969-03-01 1978-09-28 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur katalytischen Hydrofluorierung von bestimmten gesattigten und ungesättigten halogenierten Kohlenwasserstoffen
GB1307224A (en) * 1969-06-27 1973-02-14 Ici Ltd Chromium oxide catalyst
NL171235C (nl) * 1970-06-10 1983-03-01 Montedison Spa Werkwijze voor het bereiden van katalysatoren die in hoofdzaak uit aluminiumfluoride bestaan en werkwijze voor het bereiden van gefluoreerde of gechloorfluoreerde koolwaterstoffen met behulp van een dergelijke katalysator.
US3752850A (en) * 1970-12-24 1973-08-14 Hoechst Ag Fluorination of aliphatic compounds
US3843546A (en) * 1973-04-12 1974-10-22 Kaiser Aluminium Chem Corp Process for fluorinating chloroalkanes and fluorinating composition therefor
US3978145A (en) * 1974-11-14 1976-08-31 E. I. Du Pont De Nemours And Company Use of hexagonal chromium (111) oxide hydroxide catalyst in fluorination process
US3992325A (en) * 1975-09-25 1976-11-16 E. I. Du Pont De Nemours And Company γ-CrOOH fluorination catalysts
US4088704A (en) * 1977-01-21 1978-05-09 Allied Chemical Corporation Production of fluorocarbons employing two catalyst zones
CA1124265A (en) * 1977-02-17 1982-05-25 Imperial Chemical Industries Plc Manufacture of halogenated compounds
GB1589924A (en) * 1977-02-17 1981-05-20 Ici Ltd Manufacture of 1,1,1,2-tetrafluoroethane halogenated compounds
AU518050B2 (en) * 1977-02-17 1981-09-10 Imperial Chemical Industries Limited Manufacture of 1,1,1,2-tetrafluoro ethane & method of reducing amount of 1,1,difluord-chldro ethlene impurity
GB1578933A (en) * 1977-05-24 1980-11-12 Ici Ltd Manufacture of halogenated hydrocarbons
US4258225A (en) * 1977-08-15 1981-03-24 E. I. Du Pont De Nemours And Company TaF5 and NbF5 as fluorination catalysts
GB2004539B (en) * 1977-09-20 1982-02-10 Ici Ltd Process for the manufacture of halogenated hydrocarbons
US4158675A (en) * 1977-09-23 1979-06-19 Imperial Chemical Industries Limited Manufacture of halogenated compounds
US4129603A (en) * 1978-02-07 1978-12-12 Imperial Chemical Industries Limited Manufacture of halogenated compounds
JPS5527139A (en) * 1978-08-14 1980-02-27 Daikin Ind Ltd Preparation of tetrafluoroethane
JPS5527138A (en) * 1978-08-14 1980-02-27 Daikin Ind Ltd Preparation of 1,2,2,2-tetrafluoroethane
DE3009760A1 (de) * 1980-03-14 1981-09-24 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von hochreinen teilfluorierten aethanen
US4311863A (en) * 1980-06-11 1982-01-19 E. I. Du Pont De Nemours & Company Process for the manufacture of 1,1,1,2-tetrafluoroethane
JPH0723328B2 (ja) * 1985-01-09 1995-03-15 旭化成工業株式会社 弗素化炭化水素の製造方法
IT1200806B (it) * 1985-10-21 1989-01-27 Ausimont Spa Procedimento per la preparazione di idroalofluoroalcani
US4861744A (en) * 1987-06-16 1989-08-29 Laroche Chemicals, Inc. Process for preparing a fluorination catalyst and the catalyst prepared by the process
US4792643A (en) * 1987-06-16 1988-12-20 Kaiser Aluminum & Chemical Corporation Catalyst and process for 1,1,1,2-tetrafluoroethane by vapor phase reaction
US4766260A (en) * 1987-07-07 1988-08-23 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
US4851595A (en) * 1987-07-07 1989-07-25 E. I. Du Pont De Nemours And Company Liquid phase halogen exchange process for the manufacture of 1,1,1,2-tetrafluoroethane
US5008475A (en) * 1987-07-07 1991-04-16 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
GB8717595D0 (en) * 1987-07-24 1987-09-03 Ici Plc Chemical process
US5026930A (en) * 1987-08-13 1991-06-25 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
US4766259A (en) * 1987-08-13 1988-08-23 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
US4843181A (en) * 1987-10-22 1989-06-27 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane
CA1310335C (en) * 1988-02-12 1992-11-17 Leo E. Manzer Gas-phase fluorination process
US5051537A (en) * 1988-02-12 1991-09-24 E. I. Du Pont De Nemours And Company Gas-phase fluorination
IN172054B (it) * 1988-02-24 1993-03-27 Du Pont
US4922037A (en) * 1988-02-24 1990-05-01 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
US4996379A (en) * 1988-05-30 1991-02-26 Central Glass Company, Limited Method of preparing 1,1,1,2-tetrafluoroethane from 1,1-dichloro-1,2,2,2-tetrafluoroethane
GB8824571D0 (en) * 1988-10-20 1988-11-23 Ici Plc Chemical process
US5001287A (en) * 1989-02-02 1991-03-19 E. I. Du Pont De Nemours And Company Purification of saturated halocarbons
US5185482A (en) * 1989-02-03 1993-02-09 E. I. Du Pont De Nemours And Company Manufacture of 1,1,1,2-tetrafluoroethane
DE69023759T3 (de) * 1989-02-03 2004-05-13 E.I. Du Pont De Nemours And Co., Wilmington Verfahren zur herstellung von 1,1,1,2-tetrafluoroäthan.
JPH0659268B2 (ja) * 1989-02-23 1994-08-10 幸信 渡辺 トイレットペーパー自動供給装置
US4906796A (en) * 1989-03-08 1990-03-06 Allied Signal Inc. Process for purifying 1,1,1,2-tetrafluoroethane
IT1230779B (it) * 1989-07-12 1991-10-29 Ausimont Srl Procedimento per preparare 1,1,1,2 tetrafluoroetano.
US4990702A (en) * 1990-02-15 1991-02-05 E. I. Du Pont De Nemours And Company Halogen exchange fluorination
AU645063B2 (en) * 1990-03-13 1994-01-06 Daikin Industries, Ltd. Process for preparing 1,1,1,2-tetrafluoroethane
US4990701A (en) * 1990-03-20 1991-02-05 E. I. Dupont De Nemours And Company Halogen exchange fluorination
US5243105A (en) * 1990-03-29 1993-09-07 Imperial Chemical Industries Plc Chemical process
US5243107A (en) * 1990-03-29 1993-09-07 Imperial Chemical Industries Plc Chemical process
GB9007029D0 (en) * 1990-03-29 1990-05-30 Ici Plc Chemical process
DE4105832A1 (de) * 1990-04-12 1991-10-17 Kali Chemie Ag Verfahren zur herstellung von fluor enthaltenden ethanderivaten
US5214223A (en) * 1990-04-12 1993-05-25 Kali-Chemie Ag Method of preparing fluorine-containing ethane derivatives
GB9104775D0 (en) * 1991-03-07 1991-04-17 Ici Plc Fluorination catalyst and process
US5155082A (en) * 1991-04-12 1992-10-13 Allied-Signal Inc. Catalyst for the manufacture of chlorofluorocarbons, hydrochlorofluorocarbons and hydrofluorocarbons
JP2748722B2 (ja) * 1991-05-24 1998-05-13 ダイキン工業株式会社 クロロトリフルオロエチレンの製造方法

Also Published As

Publication number Publication date
AU5893190A (en) 1991-01-17
US5463151A (en) 1995-10-31
AU627907B2 (en) 1992-09-03
CA2020853A1 (en) 1991-01-13
US5608125A (en) 1997-03-04
RU1838288C (ru) 1993-08-30
DE69006951T2 (de) 1994-06-09
EP0408005B1 (en) 1994-03-02
BR9003345A (pt) 1991-08-27
UA18253A (uk) 1997-12-25
EP0408005A1 (en) 1991-01-16
CN1048699A (zh) 1991-01-23
IT8921159A0 (it) 1989-07-12
CN1025325C (zh) 1994-07-06
US6037508A (en) 2000-03-14
ES2062212T3 (es) 1994-12-16
US5880316A (en) 1999-03-09
KR0145411B1 (ko) 1998-07-15
JPH0348632A (ja) 1991-03-01
CA2020853C (en) 1999-09-28
JP2999229B2 (ja) 2000-01-17
KR910002751A (ko) 1991-02-26
DE69006951D1 (de) 1994-04-07

Similar Documents

Publication Publication Date Title
IT1230779B (it) Procedimento per preparare 1,1,1,2 tetrafluoroetano.
NO900619L (no) Substituerte 1,3-okstiolaner.
NO903656D0 (no) Fremgangsmaate for fremstilling av 17beta-acyl-4-aza-5alfa-androst-1-en-3-oner.
FI920674A0 (fi) Laogkalorihaltiga, graeddaktiga naeringsprodukter med mjuka organoleptiska egenskaper.
FI905500A0 (fi) Individualiserade, med polykarboxylsyra tvaerbundna fibrer.
FI896128A0 (fi) Slang- eller roerformig, elastisk hylsa med mikrobicida egenskaper foer urinroerkatetrar.
DE59002903D1 (de) 3-amino-5-aminocarbonyl-1,2,4-triazol-derivate.
NO881537D0 (no) Fremgangsmaate for fremstilling av 6-substituert-2',3'-dideoksynukleosider.
FI901201A0 (fi) Antibakteriella 5-substituerade 1,4-dihydro-4-oxonaftyridin-3-karboxylatderivat och deras framstaellning.
IT1230795B (it) Procedimento per preparare 1,1,1,2 tetrafluoroetano da 1,1 dicloro 1,2,2,2 tetrafluoroetano.
NO901832L (no) Fremgangsmaate for fremstilling av polyketon.
DE59000447D1 (de) Substituierte 4-amino-5-alkylthio-1,2,4-triazol-3-one.
IT1230780B (it) Procedimento per la preparazione di 1,2 dicloro 1,1,2 trifluoroetano.
IT1236969B (it) Procedimento di preparazione di 3-ciano-3,5,5'-trimetil-1-cicloesanone.
ES2019098B3 (es) Procedimiento para preparar halogenuros de 1-metil-3,5,7-triaza-1-azoniatriciclodecano.
NO905244D0 (no) Fremgangsmaate for fremstilling av des(64,65)-proinsulin.
ATE121400T1 (de) Pyridyl-methylenamino-1,2,4-triazinone.
NO904034D0 (no) Fremgangsmaate for fremstilling av 1-etylfenoksatiin-10,10-dioksyd.
IT1230153B (it) Procedimento per preparare 1,1,1 trifluoro-2,2-dicloroetano
NO872624D0 (no) Fremgangsmaate for fremstilling av 3,7-dihydro-3-n-propyl-1h-purin-2,6-dion.
NO903196D0 (no) Fremgangsmaate for fremstilling av 2-diazo-3-trisubstituerte silyloksy-3-butenoater.
FI903774A0 (fi) Ogarvade, biologiskt stabila skinn i fuktig form.
IT1230097B (it) Procedimento per preparare perfluorosuccinilfluoruro.
FI906269A (fi) 2,19-metylenoxi- och 2,19-metylentio -tvaerbundna steroider som aromatas- och 19-hydroxylasinhibitorer.
NO903752D0 (no) Vannloeselige 1,2-dithio-3-tioner.

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970722