Patents by Inventor Thomas Narbeshuber
Thomas Narbeshuber has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7652183Abstract: In a process for the preparation of alkylaromatic compounds by reacting C3-30-olefins, or alcohols from which C3-30-olefins are formed under the reaction conditions, with an aromatic hydrocarbon in the presence of an alkylation catalyst, the reaction is carried out in a reactor cascade of at least two reactors, where each of the reactors comprises the alkylation catalyst, at least 80% of the aromatic hydrocarbon are fed into the first reactor of the reactor cascade, and at least 40% of the olefins are intermediately fed in after the first reactor.Type: GrantFiled: April 14, 2004Date of Patent: January 26, 2010Assignee: BASF AktiengesellschaftInventors: Ulrich Steinbrenner, Thomas Narbeshuber, Joerg Unger, Peter Zehner, Soeren Zimdahl, Regina Benfer
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Patent number: 7601861Abstract: In a process for preparing alkylaryl compounds by reacting a C10-14-monoolefin mixture with an aromatic hydrocarbon in the presence of an alkylation catalyst to form alkyl aromatic compounds and if appropriate subsequently sulfonating and neutralizing the resulting alkylaryl compounds, in the C10-14-monoolefins, on average, more than 0% and up to 100% of methyl branches are present in the longest carbon chain and fewer than 50% of the methyl branches are in the 2-, 3- and 4-position, calculated starting from the chain ends of the longest carbon chain.Type: GrantFiled: October 29, 2004Date of Patent: October 13, 2009Assignee: BASF AktiengesellschaftInventors: Nils Bottke, Regina Benfer, Marco Bosch, Thomas Narbeshuber, Ulrich Steinbrenner, Juergen Stephan
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Publication number: 20070142258Abstract: The preparation of alkylaryl compounds takes place by a) reaction of a C4/C5-olefin mixture over a metathesis catalyst to prepare a C4-8-olefin mixture comprising 2-pentene, and optional removal of the C4-8-olefin mixture, b) removal of from 5 to 100% of the 2-pentene present in stage a) and subsequent reaction over an isomerization catalyst to give a mixture of 2-pentene and 1-pentene which is returned to stage a), c) dimerization of the C4-8-olefin mixture obtained in stage b) following removal in the presence of a dimerization catalyst to give a mixture containing C8-16-olefins, removal of these C8-16-olefins and optional removal of a partial stream thereof, d) reaction of the c8-16-olefin mixtures obtained in stage c) or of the partial stream with an aromatic hydrocarbon in the presence of an alkylation catalyst to form alkyl aromatic compounds where, prior to the reaction, 0 to 60% by weight, based on the c8-16-olefin mixtures obtained in stage c), of linear olefins may additionally be added, e) optType: ApplicationFiled: December 17, 2004Publication date: June 21, 2007Applicant: BASF AktiengesellschftInventors: Ulrich Steinbrenner, Thomas Heidemann, Michael Roper, Jurgen Stephan, Thomas Narbeshuber, Jurgen Tropsch, Nils Bottke, Regina Benfer
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Publication number: 20070078075Abstract: In a process for preparing alkylaryl compounds by reacting a C10-14-monoolefin mixture with an aromatic hydrocarbon in the presence of an alkylation catalyst to form alkyl aromatic compounds and if appropriate subsequently sulfonating and neutralizing the resulting alkylaryl compounds, in the C10-14-monoolefins, on average, more than 0% and up to 100% of methyl branches are present in the longest carbon chain and fewer than 50% of the methyl branches are in the 2-, 3- and 4-position, calculated starting from the chain ends of the longest carbon chain.Type: ApplicationFiled: October 29, 2004Publication date: April 5, 2007Applicant: BASF AktiengesellschaftInventors: Nils Bottke, Regina Benfer, Marco Bosch, Thomas Narbeshuber, Ulrich Steinbrenner, Jurgen Stephan
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Publication number: 20060241328Abstract: In a process for the preparation of alkylaromatic compounds by reacting C3-30-olefins, or alcohols from which C3-30-olefins are formed under the reaction conditions, with an aromatic hydrocarbon in the presence of an alkylation catalyst, the reaction is carried out in a reactor cascade of at least two reactors, where each of the reactors comprises the alkylation catalyst, at least 80% of the aromatic hydrocarbon are fed into the first reactor of the reactor cascade, and at least 40% of the olefins are intermediately fed in after the first reactor.Type: ApplicationFiled: April 14, 2004Publication date: October 26, 2006Inventors: Ulrich Steinbrenner, Thomas Narbeshuber, Jörg Unger, Peter Zehner, Soeren Zimdahl, Regina Benfer
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Publication number: 20060167308Abstract: The invention relates to a process for the preparation of alkylarylsulfonates by a) reaction of a C4-olefin mixture over a metathesis catalyst for the preparation of an olefin mixture comprising 2-pentene and/or 3-hexene, and optional removal of 2-pentene and/or 3-hexene, b) dimerization of the 2-pentene and/or 3-hexene obtained in stage a) over a dimerization catalyst to give a mixture containing C10-12-olefins, and optional removal of the C10-12-olefins, c) reaction of the C10-12-olefin mixtures obtained in stage b) with an aromatic hydrocarbon in the presence of an alkylating catalyst to form alkylaromatic compounds, where, prior to the reaction, additional linear olefins may be added, d) sulfonation of the alkylaromatic compounds obtained in stage c), and neutralization to give alkylarylsulfonates, where, prior to the sulfonation, linear alkylbenzenes may additionally be added, e) optional mixing of the alkylarylsulfonates obtained in stage d) with linear alkylarylsulfonates.Type: ApplicationFiled: March 22, 2006Publication date: July 27, 2006Applicant: BASF AktiengesellschaftInventors: Heiko Maas, Thomas Narbeshuber, Michael Roper
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Patent number: 7060852Abstract: The invention relates to a process for the preparation of alkylarylsulfonates by a) reaction of a C4-olefin mixture over a metathesis catalyst for the preparation of an olefin mixture comprising 2-pentene and/or 3-hexene, and optional removal of 2-pentene and/or 3-hexene, b) dimerization of the 2-pentene and/or 3-hexene obtained in stage a) over a dimerization catalyst to give a mixture containing C10-12-olefins, and optional removal of the C10-12-olefins, c) reaction of the C10-12-olefin mixtures obtained in stage b) with an aromatic hydrocarbon in the presence of an alkylating catalyst to form alkylaromatic compounds, where, prior to the reaction, additional linear olefins may be added, d) sulfonation of the alkylaromatic compounds obtained in stage c), and neutralization to give alkylarylsulfonates, where, prior to the sulfonation, linear alkylbenzenes may additionally be added, e) optional mixing of the alkylarylsulfonates obtained in stage d) with linear alkylarylsulfonates.Type: GrantFiled: August 10, 2001Date of Patent: June 13, 2006Assignee: BASF AktiengesellschaftInventors: Heiko Maas, Thomas Narbeshuber, Michael Roeper
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Publication number: 20060052630Abstract: The invention relates to processes for the preparation of alkylarylsulfonates by a) reaction of a C4-olefin mixture over a metathesis catalyst to prepare an olefin mixture comprising 2-pentene and/or 3-hexene and optional removal of 2-pentene and/or 3-hexene, b) dimerization of the 2-pentene and/or 3-hexene obtained in stage a) in the presence of a dimerization catalyst to give a mixture comprising C10-12-olefins and optional removal of the C10-12-olefins, c) reaction of the C10-12-olefin mixtures obtained in stage b) with an aromatic hydrocarbon in the presence of an alkylation catalyst to form alkyl aromatic compounds, where, prior to the reaction, additional linear olefins may be added, d) sulfonation of the alkyl aromatic compounds obtained in stage c) and neutralization to give alkylarylsulfonates, where, prior to the sulfonation, linear alkylbenzenes may additionally be added, e) optional mixing of the alkylarylsulfonates obtained in stage d) with linear alkylarylsulfonates.Type: ApplicationFiled: December 22, 2003Publication date: March 9, 2006Applicant: BASF AKTIENGESELLSCHAFTInventors: Thomas Narbeshuber, Ulrich Steinbrenner, Dag Wiebelhaus, Nils Bottke
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Patent number: 6870014Abstract: The invention relates to a catalyst which contains a catalytically active quantity of at least one oxygen-containing molybdenum and/or wolfram compound on an oxidic support material and which has been calcinated at temperatures of 400 to 900° C. after the precursor compound of the catalytically active compounds have been applied to the support material or to a support material precursor. The transport pores for this catalyst each have a diameter of >25 nm and a volume of at least 50 mm3/g. The catalyst contains x ?mol (wolfram and/or molybdenum)/m2 molybdenum and/or wolfram, with 10.1<x<20.9 in relation to the finished catalyst, with the oxidic support material having a BET surface area of 135 to 220 m2/g. Catalysts of this type are characterized by an acidity of at least 70 ?mol/g at pKs<?3 in the dry state and are therfore very active. The invention also relates to a method for producing a catalyst of this type and to the preferred use thereof.Type: GrantFiled: July 2, 2001Date of Patent: March 22, 2005Assignee: BASF AktiengesellschaftInventors: Ulrich Steinbrenner, Thomas Narbeshuber, Martin Haubner, Christoph Sigwart, Gerd Linden, Gerhard Cox, Rolf-Hartmuth Fischer, Michael Hesse, Gerd Bohner, Hartmut Hibst, Ekkehard Schwab, Andreas Tenten
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Publication number: 20040030209Abstract: The preparation of alkylaryl compounds takes place byType: ApplicationFiled: May 30, 2003Publication date: February 12, 2004Inventors: Thomas Narbeshuber, Ulrich Steinbrenner, Gerhard Krack
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Publication number: 20040010161Abstract: The invention relates to a process for the preparation of alkylarylsulfonates byType: ApplicationFiled: February 10, 2003Publication date: January 15, 2004Inventors: Heiko Maas, Thomas Narbeshuber, Michael Roper
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Publication number: 20030186806Abstract: The invention relates to a catalyst which contains a catalytically active quantity of at least one oxygen-containing molybdenum and/or wolfram compound on an oxidic support material and which has been calcinated at temperatures of 400 to 900° C. after the precursor compound of the catalytically active compounds have been applied to the support material or to a support material precursor. The transport pores for this catalyst each have a diameter of >25 nm and a volume of at least 50 mm3/g. The catalyst contains x &mgr;mol (wolfram and/or molybdenum)/m2 molybdenum and/or wolfram, with 10.1<x<20.9 in relation to the finished catalyst, with the oxidic support material having a BET surface area of 135 to 220 m2/g. Catalysts of this type are characterized by an acidity of at least 70 &mgr;mol/g at pKs<−3 in the dry state and are therfore very active. The invention also relates to a method for producing a catalyst of this type and to the preferred use thereof.Type: ApplicationFiled: January 2, 2003Publication date: October 2, 2003Inventors: Ulrich Steinbrenner, Thomas Narbeshuber, Martin Haubner, Christoph Sigwart, Gerd Linden, Gerhard Cox, Rolf-Hartmuth Fischer, Michael Hesse, Gerd Bohner, Hartmut Hibst, Ekkehard Schwab, Andreas Tenten
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Publication number: 20030013902Abstract: In a process for preparing trialkoxysilanes by reacting silicon metal with an alcohol over a copper-containing catalyst in an inert reaction medium, the inert reaction medium comprises diphenylalkanes.Type: ApplicationFiled: June 24, 2002Publication date: January 16, 2003Inventors: Alexandra Brand, Eva Freudenthaler, Thomas Narbeshuber
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Patent number: 6441110Abstract: A process for preparing halogen-free, reactive polyisobutene having a terminal double bond content of more than 50 mol % and an average molecular weight Mn of 280-10000 dalton by the cationic polymerization in the liquid phase of isobutene or hydrocarbon mixtures comprising isobutene comprises polymerizing at from −30° C. to +40° C. in the presence of a heterogeneous polymerisation catalyst comprising one or more oxides of the elements of transition groups V and VI of the Periodic Table of the Elements or in the presence of a heterogeneous polymerization catalyst comprising one or more oxidic compounds of one or more elements of transition groups V and VI of the Periodic Table of the Elements supported on a non-zeolitic oxidic support material which is not an oxygen-containing zirconium compound, the catalyst not containing a technically effective amount of halogen.Type: GrantFiled: August 6, 1999Date of Patent: August 27, 2002Assignee: BASF AktiengesellschaftInventors: Christoph Sigwart, Thomas Narbeshuber, Karsten Eller, Manfred Barl, Rolf Fischer, Eugen Gehrer
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Patent number: 6384154Abstract: A process for preparing halogen-free, reactive polyisobutene having a terminal double bond content of more than 60 mol % and an average molecular weight Mn of 800-3000 dalton by cationic polymerization in the liquid phase of isobutene over an acidic, essentially halogen-free heterogeneous catalyst, where a) a hydrocarbon mixture of essentially C4-hydrocarbons comprising isobutene in an amount of from 10 to 80% by weight is used as the starting material and b) polymerization is carried out continuously at from −30 to 0° C. with average starting material residence times of one hour or less, where the temperature and the residence time are selected such that the isobutene conversion is less than 60% and, after separation from the resulting polyisobutene, the isobutene is either enriched in the partially converted hydrocarbon mixture and returned to the polymerization or passed to another isobutene reaction coupled with the polymerization.Type: GrantFiled: January 31, 2001Date of Patent: May 7, 2002Assignee: BASF AktiengesellschaftInventors: Christoph Sigwart, Thomas Narbeshuber, Eugen Gehrer, Rolf Fischer, Ulrich Steinbrenner, Shelue Liang
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Patent number: 6353101Abstract: The invention relates to a process for preparing lactams by cyclizing hydrolysis of amino nitriles with water in the gas phase on catalysts which comprise oxides or mixed oxides of the metals of groups 3, 4, 5, 13 and/or 14 of the Periodic Table, where appropriate in addition a metal oxide of groups 6, 7, 8, 9 and/or 10, and further comprise a phosphate, carbonate, silicate, arsenite, arsenate, antimonite, antimonate and/or nitrate of said metals and/or, if metal oxides of groups 6, 7, 8, 9 or 10 are present, a sulfate of the abovementioned metals.Type: GrantFiled: May 31, 2000Date of Patent: March 5, 2002Assignee: BASF AktiengesellschaftInventors: Matthias Eiermann, Thomas Narbeshuber
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Patent number: 6262325Abstract: The catalyst comprises at least one alkali metal on a support which has the general formula (I) An′Tim′Zrp′Hfq′On′+2(m′+p′+q′) (I) where A is a divalent metal, 20·(m′+p′+q′)>n′>0.05·(m′+p′+q′), and which may be doped with at least one compound of an alkali metal and/or alkaline earth metal, where the alkali metal/support ratio by weight is 0.01-5:1 and, when a dopant is present, the dopant/support ratio by weight is 0.01-5:1, and where the proportion of support phase corresponding to the ZrO2 structure or an alkaline earth metal oxide structure or consisting of ZrO2 or alkaline earth metal oxide is less than 10% by weight.Type: GrantFiled: October 6, 1999Date of Patent: July 17, 2001Assignee: BASF AktiengessellschaftInventors: Thomas Narbeshuber, Ulrich Steinbrenner
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Patent number: 6046130Abstract: The catalyst comprising at least one alkali metal on a spinel or inverse spinel as carrier may be doped with at least one compound of an alkali metal and/or alkaline earth metal, where the alkali metal/carrier ratio by weight is from 0.01 to 5 and, when a dopant is present, the dopant/carrier ratio by weight is from 0.01 to 5.The spinel therein has formula (I) and the inverse spinel has formula (II)AB.sub.2 X.sub.4 (I)B(AB)X.sub.4 (II)whereA is divalent metal,B is tri- or tetravalent metal,X is O, S, Se, halogen, pseudohalogen,the charges being balanced, and A preferably being selected from Mg, Cr, Fe, Zn, Mn, Co, Ni, Cu, Cd, Sn and mixtures thereof, and B being selected from Al, Ga, In, Fe, V, Cr, Ti, Pb, Mn, Co, Rh, Ni, Si and mixtures thereof, and X being O.Type: GrantFiled: April 7, 1998Date of Patent: April 4, 2000Assignee: BASF AktiengesellschaftInventors: Thomas Narbeshuber, Georg Heinrich Grosch, Michael Trefzer, Eugen Gehrer, Michael Baier
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Patent number: 6043189Abstract: The catalyst comprises at least one alkali metal on a doped carrier, where the doped carrier can be prepared from at least one zirconium and/or alkaline earth metal compound as carrier and at least one alkali metal compound as dopant and calcining the doped carrier at 350.degree. C. or below, the alkali metal/carrier ratio by weight being from 0.01 to 5 and the dopant/carrier ratio by weight being from 0.01 to 5.Type: GrantFiled: September 14, 1998Date of Patent: March 28, 2000Assignee: BASF AktiengesellschaftInventors: Thomas Narbeshuber, Michael Trefzer, Eugen Gehrer
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Patent number: 5994562Abstract: In a process for preparing N-alkenylcarboxamides by dehydration of N-(2-hydroxyalkyl)carboxamides and/or diethers thereof in the presence of a catalyst, molecular sieves, in particular zeolites, are used as catalyst.Type: GrantFiled: January 14, 1999Date of Patent: November 30, 1999Assignee: BASF AktiengesellschaftInventors: Klaus Ebel, Matthias Eiermann, Thomas Narbeshuber, Eugen Gehrer