DE69315524D1 - Verfahren zur Reaktivierung von Kohlenwasserstoffsynthesekatalysatoren - Google Patents

Verfahren zur Reaktivierung von Kohlenwasserstoffsynthesekatalysatoren

Info

Publication number
DE69315524D1
DE69315524D1 DE69315524T DE69315524T DE69315524D1 DE 69315524 D1 DE69315524 D1 DE 69315524D1 DE 69315524 T DE69315524 T DE 69315524T DE 69315524 T DE69315524 T DE 69315524T DE 69315524 D1 DE69315524 D1 DE 69315524D1
Authority
DE
Germany
Prior art keywords
reactivating
hydrocarbon synthesis
synthesis catalysts
catalysts
hydrocarbon
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.)
Revoked
Application number
DE69315524T
Other languages
English (en)
Other versions
DE69315524T2 (de
Inventor
Willard Neal Mitchell
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
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=25489692&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69315524(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Application granted granted Critical
Publication of DE69315524D1 publication Critical patent/DE69315524D1/de
Publication of DE69315524T2 publication Critical patent/DE69315524T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2/00—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon
    • C10G2/30—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen
    • C10G2/32—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts
    • C10G2/33—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used
    • C10G2/331—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals
    • 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
    • B01J23/90—Regeneration or reactivation
    • B01J23/94—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the iron group metals or copper
    • 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
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
    • B01J38/10—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst using elemental hydrogen
    • 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
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • 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
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/50—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using organic liquids
    • B01J38/58—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using organic liquids and gas addition thereto
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
    • C07C1/04—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
    • C07C1/0425—Catalysts; their physical properties
    • C07C1/045—Regeneration
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/46—Ruthenium, rhodium, osmium or iridium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
    • C07C2523/74—Iron group metals
    • C07C2523/745—Iron
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
    • C07C2523/74—Iron group metals
    • C07C2523/75—Cobalt
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/70—Catalyst aspects
    • C10G2300/703—Activation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE69315524T 1992-09-24 1993-09-23 Verfahren zur Reaktivierung von Kohlenwasserstoffsynthesekatalysatoren Revoked DE69315524T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/949,934 US5283216A (en) 1992-09-24 1992-09-24 Rejuvenation of hydrocarbon synthesis catalyst

Publications (2)

Publication Number Publication Date
DE69315524D1 true DE69315524D1 (de) 1998-01-15
DE69315524T2 DE69315524T2 (de) 1998-06-25

Family

ID=25489692

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69315524T Revoked DE69315524T2 (de) 1992-09-24 1993-09-23 Verfahren zur Reaktivierung von Kohlenwasserstoffsynthesekatalysatoren

Country Status (7)

Country Link
US (2) US5283216A (de)
EP (1) EP0590882B1 (de)
AU (1) AU659392B2 (de)
CA (1) CA2105133C (de)
DE (1) DE69315524T2 (de)
MY (1) MY110163A (de)
NO (1) NO302277B1 (de)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5268344A (en) * 1992-12-18 1993-12-07 Exxon Research & Engineering Company Draft tube for catalyst rejuvenation and distribution
GB2299767B (en) * 1995-04-07 1998-05-13 Norske Stats Oljeselskap Regneration of fischer-tropsch catalysts
US6284807B1 (en) * 1995-08-08 2001-09-04 Exxon Research And Engineering Company Slurry hydrocarbon synthesis process with increased catalyst life
US6475943B1 (en) * 1995-11-08 2002-11-05 Shell Oil Company Catalyst activation process
PE31698A1 (es) * 1995-11-08 1998-06-15 Shell Int Research Proceso de activacion y rejuvenecimiento de catalizador
DE19630788C1 (de) * 1996-07-31 1997-09-11 Basf Ag Verfahren zur Herstellung von NH¶2¶-Gruppen enthaltenden Verbindungen
EP1024896B1 (de) * 1997-02-05 2004-09-15 E.I. Du Pont De Nemours And Company Verfahren zur wiedergewinnung von rhenium enthaltende katalysatoren mit kohlenstoffträger
US5958986A (en) * 1997-05-02 1999-09-28 Exxon Research And Engineering Co. Slurry hydrocarbon synthesis process with catalyst rejuvenation in external lift pipe (law544)
US5817701A (en) * 1997-05-02 1998-10-06 Exxon Research And Engineering Company Slurry hydrocarbon synthesis with cyclic CO purge and catalyst rejuvenation
US5817702A (en) * 1997-05-02 1998-10-06 Exxon Research And Engineering Company Hydrocarbon synthesis catalyst slurry rejuvenation with gas disengagement
US5844005A (en) * 1997-05-02 1998-12-01 Exxon Research And Engineering Company Hydrocarbon synthesis using reactor tail gas for catalyst rejuvenation
US5821270A (en) * 1997-05-02 1998-10-13 Exxon Research And Engineering Company Slurry hydrocarbon synthesis process with multistage catalyst rejuvenation
US5811363A (en) * 1997-05-02 1998-09-22 Exxon Research And Engineering Company Catalyst rejuvenation in hydrocarbon synthesis slurry with reduced slurry recontamination
US5866621A (en) * 1997-05-06 1999-02-02 Exxon Research And Engineering Company Gas and solids reducing slurry downcomer
US5962537A (en) 1997-05-06 1999-10-05 Exxon Research And Engineering Co Multizone downcomer for slurry hydrocarbon syntheses process
US5811468A (en) * 1997-05-06 1998-09-22 Exxon Research And Engineering Company Combination gas disengaging downcomer-rejuvenation tube for in-situ slurry catalyst rejuvenation (LAW541)
US6103773A (en) † 1998-01-27 2000-08-15 Exxon Research And Engineering Co Gas conversion using hydrogen produced from syngas for removing sulfur from gas well hydrocarbon liquids
US5948378A (en) * 1998-01-30 1999-09-07 Exxon Research And Engineering Co. Removal of ammonia and cyanide from synthesis gas with water production
US5929126A (en) * 1998-01-30 1999-07-27 Exxon Research And Engineering Co. Gas conversion with rejuvenation ammonia removal
US6043288A (en) 1998-02-13 2000-03-28 Exxon Research And Engineering Co. Gas conversion using synthesis gas produced hydrogen for catalyst rejuvenation and hydrocarbon conversion
CN1078105C (zh) * 1998-03-30 2002-01-23 中国科学院山西煤炭化学研究所 一种费一托合成催化剂的原位再生法
US6191066B1 (en) 1998-05-27 2001-02-20 Energy International Corporation Fischer-Tropsch activity for non-promoted cobalt-on-alumina catalysts
US6262132B1 (en) * 1999-05-21 2001-07-17 Energy International Corporation Reducing fischer-tropsch catalyst attrition losses in high agitation reaction systems
US6201030B1 (en) 1999-09-22 2001-03-13 Syntroleum Corporation Process and apparatus for regenerating a particulate catalyst
US6486220B1 (en) 1999-11-17 2002-11-26 Conoco Inc. Regeneration procedure for Fischer-Tropsch catalyst
US6869978B2 (en) 1999-11-17 2005-03-22 Conocophillips Company Pressure swing catalyst regeneration procedure for Fischer-Tropsch catalyst
US6323248B1 (en) 2000-06-02 2001-11-27 Exxonmobil Research And Engineering Company Slurry hydrocarbon synthesis with fresh catalyst activity increase during hydrocarbon production
US6696502B1 (en) 2000-06-02 2004-02-24 Exxonmobil Research And Engineering Company Slurry hydrocarbon synthesis with fresh catalyst activity increase during hydrocarbon production
US6706661B1 (en) * 2000-09-01 2004-03-16 Exxonmobil Research And Engineering Company Fischer-Tropsch catalyst enhancement
US6355593B1 (en) 2000-09-01 2002-03-12 Exxonmobil Research And Engineering Company Fischer-Tropsch catalyst enhancement
US6624204B1 (en) 2000-09-01 2003-09-23 Exxonmobil Research And Engineering Company Carbon monoxide hydrogenation process
US6531518B1 (en) 2000-09-01 2003-03-11 Exxonmobil Research And Engineering Co. Fischer-Tropsch catalyst enhancement
GB0109555D0 (en) * 2001-04-18 2001-06-06 Kvaerner Process Tech Ltd Process
WO2002092227A1 (en) * 2001-05-17 2002-11-21 Conocophillips Company Pressure swing catalyst regeneration procedure for fischer-tropsch catalyst
US6800579B2 (en) 2002-01-29 2004-10-05 Exxonmobil Research And Engineering Company Catalyst regeneration
US6753286B2 (en) 2002-01-29 2004-06-22 Exxonmobil Research And Engineering Company Supported catalyst regeneration
US6753354B2 (en) 2002-01-29 2004-06-22 Exxonmobil Research And Engineering Company Fischer-tropsch catalyst enhancement
US6777451B2 (en) 2002-01-29 2004-08-17 Exxonmobil Research And Engineering Company Catalyst enhancement
US6787496B2 (en) * 2002-01-29 2004-09-07 Exxonmobil Research And Engineering Company Supported catalyst treatment
US7361619B2 (en) * 2003-04-11 2008-04-22 Exxonmobil Research And Engineering Company Fischer-Tropsch catalyst production
US7419928B2 (en) * 2003-04-11 2008-09-02 Exxonmobil Research And Engineering Company Fischer-Tropsch catalyst production
US7045554B2 (en) * 2003-09-03 2006-05-16 Conocophillips Company Method for improved Fischer-Tropsch catalyst stability and higher stable syngas conversion
US20050154069A1 (en) * 2004-01-13 2005-07-14 Syntroleum Corporation Fischer-Tropsch process in the presence of nitrogen contaminants
US20050182145A1 (en) * 2004-02-17 2005-08-18 Conocophillips Company Methods of reducing and loading a metal-based catalyst into a reactor
US7166643B2 (en) * 2004-03-08 2007-01-23 Chevron U.S.A. Inc. Hydrogen recovery from hydrocarbon synthesis processes
US7405243B2 (en) * 2004-03-08 2008-07-29 Chevron U.S.A. Inc. Hydrogen recovery from hydrocarbon synthesis processes
EP1782885B1 (de) 2005-11-07 2012-04-04 Research Institute of Petroleum Industry (RIPI) Kobaltkatalysator mit Kohlenstoffnanoröhren als Träger für die Umwandlung von Synthesegas in Kohlenwasserstoffe
US8614158B2 (en) * 2008-02-29 2013-12-24 Schlumberger Technology Corporation Fischer-trospch and oxygenate synthesis catalyst activation/regeneration in a micro scale process
US8293805B2 (en) * 2008-05-29 2012-10-23 Schlumberger Technology Corporation Tracking feedstock production with micro scale gas-to-liquid units
BRPI0923470A8 (pt) * 2008-12-23 2017-10-10 Rentech Inc Método e sistema para ativar um catalisador de fischer-tropsch
GB2482905B (en) 2010-08-19 2016-01-13 Gtl F1 Ag Fischer-tropsch catalyst regeneration
WO2021025835A1 (en) 2019-08-06 2021-02-11 Exxonmobil Research And Engineering Company Catalyst rejuvenation in multistage alkylation of isoparaffin

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159140A (en) * 1935-03-07 1939-05-23 Ig Farbenindustrie Ag Production of hydrocarbons from carbon monoxide and hydrogen
US2238726A (en) * 1935-12-10 1941-04-15 Hydrocarbon Synthesis Corp Conversion of carbon oxides into higher hydrocarbons
US2259961A (en) * 1937-05-21 1941-10-21 Kellogg M W Co Process for dewaxing catalysts
GB614406A (en) * 1944-12-28 1948-12-15 Standard Oil Dev Co Process for the removal of wax contaminants from finely divided catalysts used in hydrocarbon synthesis processes
GB845559A (en) * 1956-10-15 1960-08-24 Ruhrchemie Ag Process for the hydrogenation of carbon monoxide
US4681867A (en) * 1985-06-05 1987-07-21 Air Products And Chemicals, Inc. Supported fischer-tropsch catalyst and method of making the catalyst
US4892646A (en) * 1987-08-20 1990-01-09 Mobil Oil Corporation Method for treating dewaxing catalysts
US5036032A (en) * 1988-03-25 1991-07-30 Exxon Research And Engineering Company Selective catalysts and their preparation for catalytic hydrocarbon synthesis

Also Published As

Publication number Publication date
DE69315524T2 (de) 1998-06-25
CA2105133C (en) 2001-10-23
NO302277B1 (no) 1998-02-16
AU4861893A (en) 1994-03-31
CA2105133A1 (en) 1994-03-25
NO933374L (no) 1994-03-25
USRE37515E1 (en) 2002-01-15
NO933374D0 (no) 1993-09-22
EP0590882A1 (de) 1994-04-06
AU659392B2 (en) 1995-05-11
US5283216A (en) 1994-02-01
EP0590882B1 (de) 1997-12-03
MY110163A (en) 1998-02-28

Similar Documents

Publication Publication Date Title
DE69315524D1 (de) Verfahren zur Reaktivierung von Kohlenwasserstoffsynthesekatalysatoren
DE69312613D1 (de) Verfahren zur Aktivierung von Kohlenwasserstoffsynthesekatalysatoren
DE69332311D1 (de) Verfahren zur katalytischen Synthese von Kohlenwasserstoffen
DE69310324D1 (de) Verfahren zur Entschwefelung von Kohlenwasserstoffen
DE69841047D1 (de) Verfahren zur Regenerierung von Epoxidierungskatalysatoren
DE59608364D1 (de) Verfahren zur selektiven Synthese von Silylalkyldisulfiden
DE68902375D1 (de) Verfahren zur vorsulfidierung von kohlenwasserstoffbehandlungskatalysatoren.
DE69529196D1 (de) Verfahren zur Regeneration von Katalysatoren
DE69311192D1 (de) Verfahren zur selektiven Hydrierung von Kohlenwasserstoffen
DE68925081D1 (de) Katalytisches Verfahren zur Alkylierung von aromatischen Kohlenwasserstoffen in einem Fest-Bett
DE69031344D1 (de) Verfahren zur reinigung von fluorkohlenwasserstoffen
ATE89255T1 (de) Verfahren zur isomerisierung von gesaettigten fluorkohlenwasserstoffen.
DE69411775D1 (de) Verfahren zur Entfernung von Quecksilber aus Kohlenwasserstoffen mittels einem vorgeschwefeltem Katalysator
DE69100456D1 (de) Verfahren zur Vorschwefelung von Kohlenwasserstoffbehandlungskatalysatoren.
DE69432859D1 (de) Verfahren zur reinigung von kollagenase
DE69502137D1 (de) Verfahren zur Methathesis von Olefinen
DE69007649D1 (de) Verfahren zur katalytischen Krackung von Kohlenwasserstoffen.
DE68915890D1 (de) Katalytisches Verfahren zur Amidierung.
DE59208331D1 (de) Verfahren zur Regenerierung von Metalloxid-Katalysatoren
DE69703110D1 (de) Verfahren zur vorschwefelung von kohlenwasserstoffumwandlungskatalysatoren
DE69000118D1 (de) Verfahren zur regenerierung von katalysatoren.
DE69433634D1 (de) Verfahren zur Umsetzung von Kohlenwasserstoffen
DE69305948D1 (de) Verfahren zur Isomerisierung von Olefinen
DE59505524D1 (de) Verfahren zur carbonylierung von olefinen
DE69509941D1 (de) Verfahren zur Wiedergewinnung von Alkylierungskatalysator

Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation