Patents by Inventor Hans-Herbert Brintzinger
Hans-Herbert Brintzinger 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: 7053160Abstract: Novel metallocene monohalides can be used in the polymerization of olefins.Type: GrantFiled: November 18, 1999Date of Patent: May 30, 2006Assignee: Basell Polyolefine GmbHInventors: Carsten Bingel, Hans-Herbert Brintzinger, Hans-Robert-Hellmuth Damrau, Patrik Müller, Jürgen Suhm
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Patent number: 6992204Abstract: The invention relates to a method for producing racemic metallocene complexes by reacting bridged or non-bridged transition metal complexes with cyclopentadienyl derivatives of alkaline or alkaline earth metals and optionally, subsequently substituting the phenolate ligands.Type: GrantFiled: June 28, 2001Date of Patent: January 31, 2006Assignee: Basell Polyolefine GmbHInventors: Robert Damrau, Patrik Müller, Eva Royo, Hans-Herbert Brintzinger
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Patent number: 6900343Abstract: A process for purifying metallocenes in which a sparingly soluble metallocene halide is converted into a readily soluble and readily crystallizable metallocene by replacement of at least one halide ligand by an alternative negatively charged ligand and the metallocene obtained in this way is subsequently purified by crystallization.Type: GrantFiled: November 18, 1999Date of Patent: May 31, 2005Assignee: Basell Polyolefine GmbHInventors: Carsten Bingel, Patrik Müller, Hans-Herbert Brintzinger, Hans-Robert-Hellmuth Damrau
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Publication number: 20040010157Abstract: The invention relates to a method for producing racemic metallocene complexes by reacting bridged or non-bridged transition metal complexes with cyclopentadienyl derivatives of alkaline or alkaline earth metals and optionally, subsequently substituting the phenolate ligands.Type: ApplicationFiled: June 5, 2003Publication date: January 15, 2004Inventors: Robert Damrau, Patrik Mller, Eva Royo, Hans-Herbert Brintzinger
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Patent number: 6620953Abstract: The present invention relates to a process for preparing monoaryloxy-metallocenes of the formula (II), which comprises reacting a ligand starting compound of the formula (III) with a transition metal compound of the formula (I), where the symbols are as defined in the claims.Type: GrantFiled: May 17, 2001Date of Patent: September 16, 2003Assignee: Bassell Polyolefine GmbHInventors: Carsten Bingel, Hans-Herbert Brintzinger, Hans-Robert-Hellmuth Damrau
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Patent number: 6399727Abstract: Polymerization initiator comprising an alkaline earth metal compound chosen from the group a) of heteroleptic alkaline earth metal compounds of the formula I L—M—R (I) or b) of cationic alkaline earth metal complexes of the formula II [D→M—R]+X− (II), where M: is Ca, Sr or Ba, L: is a polymerization-inactive ligand, R: is a polymerization-active ligand, D: is a donor ligand, and X: is a non-coordinating anion, and processes for the preparation of the polymerization initiators and processes for anionic polymerization in the presence of the polymerization initiators.Type: GrantFiled: August 21, 2001Date of Patent: June 4, 2002Assignee: BASF AktiengesellschaftInventors: Konrad Knoll, Hans-Herbert Brintzinger, Sjoerd Harder, Armin Weeber, Florian Feil
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Patent number: 6348166Abstract: A process for the preparation of bisorganoalkaline earth metal compounds comprises reacting an organometallic compound RnM2 with an alkaline earth metal salt M1Xm.Type: GrantFiled: May 31, 2000Date of Patent: February 19, 2002Assignee: BASF AktiengesellschaftInventors: Konrad Knoll, Hans-Herbert Brintzinger, Armin Weeber
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Patent number: 6284851Abstract: In a process for preparing polymers based on monomers having a C═C double bond by homopolymerization or copolymerization of these monomers in the presence of a catalyst system comprising a metallocene complex A) and a compound B) capable of forming metallocenium ions and, if desired, an organometallic compound of main group I, II or III of the Periodic Table of the Elements C), the metallocene complex A) used is a compound of the formula (I) where the substituents and indices have the following meanings: R1 to R11 are hydrogen, C1-C10-alkyl, 5- to 7-membered cycloalkyl which may in turn bear C1-C6-alkyl groups as substituents, C6-C15-aryl or arylalkyl, where two adjacent radicals R1 to R8 may together form a cyclic group having from 4 to 15 carbon atoms, or Si(R12)3, where R12 is C1-C10-alkyl, C6-C15-aryl or C3-C10-cycloalkyl, M is a metal of transition groups III to VI of the Periodic Table of the Elements or a metal of the lanthanide series, X are identical or different and are hyType: GrantFiled: December 13, 1999Date of Patent: September 4, 2001Assignee: BASF AktiengesellschaftInventors: Josef Wünsch, Hans-Herbert Brintzinger, Nicole Schneider, Marc Prosenc
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Patent number: 6262286Abstract: Racemic metallocene complexes are prepared by reacting bridged or unbridged transition metal complexes with cyclopentadienyl derivatives of alkali metals or alkaline earth metals and, if desired, subsequently replacing the aromatic ligands.Type: GrantFiled: March 20, 2000Date of Patent: July 17, 2001Assignee: BASF AktiengesellschaftInventors: Heike Gregorius, Carsten Süling, Wolfgang Bidell, Hans-Herbert Brintzinger, Hans-Robert-Hellmuth Damrau, Armin Weber
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Patent number: 5912373Abstract: The conversion of the achiral meso form of an ansa-metallocene complex into the chiral rac form is carried out photochemically in the presence of a chiral auxiliary reagent.Type: GrantFiled: December 17, 1997Date of Patent: June 15, 1999Assignee: BASF AktiengesellschaftInventors: David Fischer, Franz Langhauser, Jurgen Kerth, Gunther Schweier, Hans-Herbert Brintzinger, Katrin Schmidt
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Patent number: 5892081Abstract: The present invention relates to a process for preparing racemic ansa-metallocene complexes I ##STR1## tin compounds II ##STR2## and a process for preparing tin compounds II. R.sup.1 to R.sup.9, M, and X are defined herein.Type: GrantFiled: July 13, 1998Date of Patent: April 6, 1999Assignee: BASF AktiengesellschaftInventors: Carsten Suling, Mario Huettenhofer, Hans-Herbert Brintzinger, Frank Schaper
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Patent number: 5883277Abstract: Metallocene complexes having a cationic bridge of the formula ##STR1## where the substituents have the following meanings: M is a metal of transition group III, IV, V or VI of the Periodic Table of the Elements or a metal of the lanthanide group,X is fluorine, chlorine, bromine, iodine, hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.15 -aryl or --OR.sup.5,R.sup.1 to R.sup.12, Y, Z and n having the meanings set out in the specification, said complexes can be prepared via ligand systems of the formula II ##STR2## as intermediates.Type: GrantFiled: August 14, 1997Date of Patent: March 16, 1999Assignee: BASF AktiengesellschaftInventors: David Fischer, Franz Langhauser, Gunther Schweier, Hans-Herbert Brintzinger, Nadine Leyser
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Patent number: 5840950Abstract: In a process for converting the achiral meso form or the racemate of an ansa-metallocene complex or a mixture thereof into one of its enantiomers, the conversion is carried out photochemically in the presence of an enantiomerically pure auxiliary reagent.Type: GrantFiled: January 8, 1998Date of Patent: November 24, 1998Assignee: BASF AktiengesellschaftInventors: David Fischer, Franz Langhauser, Rainer Sturmer, Jurgen Kerth, Gunther Schweier, Hans-Herbert Brintzinger, Katrin Schmidt
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Patent number: 5831106Abstract: A process for preparing metallocene complexes of the general ##STR1## in which the substituents have the following meanings:M is titanium, zirconium, hafnium, vanadium, niobium or tantalum,X is fluorine, chlorine, bromine, iodine, hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.15 -aryl or --OR.sup.5,where R.sup.5 is C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.15 -aryl, alkylaryl, aryl-alkyl, fluoroalkyl or fluoroaryl with, in each case, 1 to 10 carbon atoms in the alkyl radical and 6 to 20 carbon atoms in the aryl radical,R.sup.1 to R.sup.4 and R.sup.6 to R.sup.9 are hydrogen, C.sub.1 -C.sub.10 -alkyl, 5- to 7-membered cycloalkyl which can in turn carry C.sub.1 -C.sub.10 -alkyls as substituents, or C.sub.6 -C.sub.15 -aryl or aryl-alkyl, it also being possible where appropriate for two adjacent radicals together to be cyclic groups having 4 to 15 carbon atoms, or Si(R.sup.10).sub.3 withR.sup.10 being C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.15 -aryl or C.sub.3 -C.sub.Type: GrantFiled: May 16, 1996Date of Patent: November 3, 1998Assignee: BASF AktiengesellschaftInventors: Franz Langhauser, David Fischer, Gunther Schweier, Hans-Herbert Brintzinger, Hans-Robert-Hellmuth Damrau
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Patent number: 5756608Abstract: A process for polymerizing C.sub.2 -C.sub.10 -alk-1-enes in the presence of a metallocene complex of the formula I ##STR1## where the substituent groups have the meanings described in the specification.Type: GrantFiled: July 12, 1996Date of Patent: May 26, 1998Assignee: BASF AktiengesellschaftInventors: Franz Langhauser, David Fischer, Jurgen Kerth, Gunther Schweier, Hans-Herbert Brintzinger, Elke Barsties, Werner Roell
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Patent number: 5670683Abstract: Cyclopentadineyl compounds of the formula II ##STR1## and formula III ##STR2## their preparation and their use as intermediates in the preparation of metallocene complexes of the formula I.Type: GrantFiled: March 22, 1996Date of Patent: September 23, 1997Assignee: BASF AktiengesellschaftInventors: Franz Langhauser, Jurgen Kerth, Gunther Schweier, Hans-Herbert Brintzinger, Stefan Mansel
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Patent number: 5627246Abstract: A supported catalyst system that is obtained bya) reacting a finely divided carrier with an a-trisalkoxy-silyl-.omega.-haloalkyl compound,b) adding a metallocene complex of the indicated formula I to the reaction product of a);c) reacting the product of b) with a quaternizing agent; andd) optionally adding an open-chain or cyclic alumoxane compound.The catalyst system can be used to prepare polymers of C.sub.2 -C.sub.10 -alk-1-enes.Type: GrantFiled: March 1, 1995Date of Patent: May 6, 1997Assignee: BASF AktiengesellschaftInventors: Franz Langhauser, David Fischer, J urgen Kerth, G unther Schweier, Elke Barsties, Hans-Herbert Brintzinger, Stefan Schaible, Werner Roell
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Patent number: 5585509Abstract: Metallocene complexes of the general formula I ##STR1## where the substituents Y, M, x, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.6, R.sup.7, R.sup.8, and R.sup.9 are as described in the disclosure, and ligand systems of the general formula II ##STR2## as intermediates.Type: GrantFiled: March 1, 1995Date of Patent: December 17, 1996Assignee: BASF AktiengesellschaftInventors: Franz Langhauser, David Fischer, J urgen Kerth, G unther Schweier, Hans-Herbert Brintzinger, Elke Barsties, Werner Roell
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Patent number: 5554776Abstract: Metallocene complexes of the formula I ##STR1## where M is titanium, zirconium, hafnium, vanadium, niobium or tantalum,X inter alia is fluorine, chlorine, bromine, iodine or hydrogen,R.sup.1 to R.sup.6 inter alia are each hydrogen or C.sub.1 -C.sub.10 -alkyl,Z is silicon, germanium, tin or carbon,Y.sup.1 and Y.sup.2 are each ##STR2## R.sup.9 to R.sup.16 inter alia are each hydrogen or C.sub.1 -C.sub.10 -alkyl, andu, v and w are each an integer from 0 to 7, with the proviso that the sum u+v+w is .gtoreq.2, andcyclopentadienyl compounds of the formula II ##STR3## and cyclopentadienyl compound of the formula III ##STR4## as intermediates.Type: GrantFiled: October 28, 1994Date of Patent: September 10, 1996Assignee: BASF AktiengesellschaftInventors: Franz Langhauser, J urgen Kerth, G unther Schweier, Hans-Herbert Brintzinger, Stefan Mansel
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Patent number: 5491205Abstract: Polymers of C.sub.2 -C.sub.10 -alk-1-enes are prepared at from 0.5 to 3000 bar and from -50.degree. to 300.degree. C. using a catalyst system by a process in which the catalyst system used is one which contains, as active components:a) a metallocene complex of the general formula I ##STR1## where M is titanium, zirconium, hafnium, vanadium, niobium or tantalum,X is fluorine, chlorine, bromine, iodine, hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.15 -aryl or --OR.sup.7,R.sup.7 is C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.15 -aryl, alkylaryl, arylalkyl, fluoroalkyl or fluoraryl, where each alkyl radical is of 1 to 10 carbon atoms and each aryl radical is of 6 to 20 carbon atoms,R.sup.1 to R.sup.6 are each hydrogen, C.sub.1 -C.sub.10 -alkyl, 5-membered to 7-membered cycloalkyl, which in turn may carry C.sub.1 -C.sub.10 -alkyl radicals as substituents, C.sub.6 -C.sub.15 -aryl or arylalkyl, where two adjacent radicals together may furthermore be a cyclic group of 4 to 15, carbon atoms, or Si(R.sup.8).sub.3R.Type: GrantFiled: October 28, 1994Date of Patent: February 13, 1996Assignee: BASF AktiengesellschaftInventors: Franz Langhauser, Jurgen Kerth, Gunther Schweier, Hans-Herbert Brintzinger, Stefan Mansel, Werner Roell, Robin Kirsten