Patents by Inventor Benno Bildstein
Benno Bildstein 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: 8252875Abstract: Process for the preparation of monoimine compounds, wherein a dicarbonyl compound is reacted in an aliphatic, non-aromatic solvent with aniline. Monoimine compounds having electron-withdrawing substituents in the ortho position and unsymmetric bis(imino) compounds and unsymmetric iron complexes prepared therefrom and the use thereof in the polymerization of olefins.Type: GrantFiled: January 8, 2007Date of Patent: August 28, 2012Assignee: Basell Polyolefine GmbHInventors: Shahram Mihan, Benno Bildstein, Lars Kölling, Alexander Solchinger, Sascha Schlawjinski
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Patent number: 7868108Abstract: The present invention relates to transition metal compounds of the formula (I), a process for preparing polyolefins by polymerization or copolymerization of at least one olefin in the presence of at least one olefin in the presence of at least one of the catalyst systems according to the invention and the use of the ligand systems according to the invention for preparing transition metal compounds.Type: GrantFiled: November 27, 2006Date of Patent: January 11, 2011Assignee: Basell Polyolefine GmbHInventors: Shahram Mihan, Benno Bildstein, Alexander Solchinger, Lars Kölling
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Patent number: 7776980Abstract: Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one bridged keto, thioketo, imino or phosphino group, a catalyst system comprising at least one of the monocyclopentadienyl complexes and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system.Type: GrantFiled: March 18, 2006Date of Patent: August 17, 2010Assignee: Basell Polyolefine GmbHInventors: Shahram Mihan, Benno Bildstein, Georg Steiner
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Patent number: 7589223Abstract: The invention relates to non-metallocene catalyst systems useful for preparing olefin homopolymers or copolymers. The catalyst systems comprise a cocatalyst and a Group 3-10 transition metal compound that incorporates a diimine ligand in which sp2-hybridized carbons of the imine groups are joined by a specific divalent one- or two-membered bridge (Y) comprising nitrogen and/or oxygen. The invention includes the diimine ligands, the transition metal compounds, the catalyst systems, and processes for making the ligands, transition metal compounds, catalyst systems, and olefin homopolymers or copolymers.Type: GrantFiled: September 16, 2004Date of Patent: September 15, 2009Assignee: Basell Polyolefine GmbHInventors: Benno Bildstein, Alexander Krajete
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Publication number: 20090156768Abstract: The present invention relates to transition metal compounds of the formula (I); where M is an element of group 3, 4, 5, 6, 7, 8, 9 or 10 of the Periodic Table of the Elements or the lanthanide's, the radicals X are identical or different and are each an organic or inorganic radical, with two radicals X also being able to be joined to one another to form a divalent radical, is 1, 2, 3 or 4, L1 is an organic or inorganic uncharged ligand, is an integer from 0 to 4, R1 is an organic radical having from 1 to 40 carbon atoms, R2 is hydrogen or an organic radical having from 1 to 40 carbon atoms, or R1 and R2 together form a divalent organic group T1 which has from 2 to 40 carbon atoms and together with the atoms connecting its ends forms a monocyclic or polycyclic ring system which may in turn be substituted and may comprise one or more further heteroatoms selected from the group consisting of the elements O, S, Se, Te, N, P and As in the ring system, R3 is hydrogen or an organic radical having from 1 to 40 carbonType: ApplicationFiled: November 27, 2006Publication date: June 18, 2009Applicant: Basell Polyolefine Gmb hInventors: Shahram Mihan, Benno Bildstein, Alexander Solchinger, Lars Kölling
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Publication number: 20090054609Abstract: Process for the preparation of monoimine compounds, wherein a dicarbonyl compound is reacted in an aliphatic, non-aromatic solvent with aniline. Monoimine compounds having electron-withdrawing substituents in the ortho position and unsymmetric bis(imino) compounds and unsymmetric iron complexes prepared therefrom and the use thereof in the polymerization of olefins.Type: ApplicationFiled: January 8, 2007Publication date: February 26, 2009Applicant: BASELL POLYOLEFINE GMBHInventors: Shahram Mihan, Benno Bildstein, Lars Kolling, Alexander Solchinger, Sascha Schlawjinski
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Publication number: 20090018292Abstract: Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one bridged keto, thioketo, imino or phosphino group, a catalyst system comprising at least one of the monocyclopentadienyl complexes and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system.Type: ApplicationFiled: March 18, 2006Publication date: January 15, 2009Applicant: Basell Polyolefine GmbHInventors: Shahram Mihan, Benno Bildstein, Georg Steiner
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Patent number: 7273940Abstract: Bisimine compounds of the formula (I) where the symbols have the following meanings: A is a nonmetal selected from among N, S, O and P, R1 is a radical of the formula NR5R6, R2 is a radical of the formula NR5R6 or NR7R8, alkyl, aryl or cycloalkyl, R5 and R6 together with the N atom form a 5-, 6- or 7-membered ring in which one or more of the —CH— or —CH2— groups may be replaced by suitable heteroatom groups and which may be saturated or unsaturated and unsubstituted or substituted or be fused with further carbacyclic or heterocarbacyclic 5- or 6-membered rings which may in turn be saturated or unsaturated and substituted or unsubstituted, and R7 and R8 are, independently of one another, alkyl, aryl or cycloalkyl radicals, and R3, R4 are, independently of one another, H or alkyl, aryl or cycloalkyl radicals, and n is 1 or 2, are used to prepare bisimidinato complexes which can be used in the polymerization of unsaturated compounds.Type: GrantFiled: October 7, 2004Date of Patent: September 25, 2007Assignee: Basell Polyolefine GmbHInventors: Marc Oliver Kristen, Andrei Gonioukh, Dieter Lilge, Stephan Lehmann, Benno Bildstein, Christoph Amort, Michael Malaun
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Publication number: 20070004884Abstract: The present invention relates to catalyst systems which can be used for preparing homopolymers or copolymers of olefins and are obtainable by reacting at least one transition metal compound with at least one cocatalyst which is able to convert the transition metal compound into a species which displays polymerization activity toward at least one olefin, wherein the transition metal compound has the formula (I), where M is an element of group 3, 4, 5, 6, 7, 8, 9 or 10 of the Periodic Table of the Elements or the lanthanides, X are identical or different and are each an organic or inorganic anionic monovalent ligand, where two radicals X may also be joined to form a divalent radical, n is 1, 2 , 3 or 4, L1 is an organic or inorganic uncharged ligand, h is an integer from 0 to 4, R1 and R1? can be identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R2 and R2? can be identical or different and are each a substituted or unsubstituted C6-C40-aryl radical or C2-C40-heType: ApplicationFiled: September 16, 2004Publication date: January 4, 2007Inventor: Benno Bildstein
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Patent number: 7022786Abstract: Complexes of the formula I, where M is an element of groups 6 to 10 of the Periodic Table of the Elements, preferably Ni, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerisation processes, gas-phase polymerization processes, bulk polymerization processes or emulsion polymerization processes.Type: GrantFiled: September 2, 2004Date of Patent: April 4, 2006Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Benno Bildstein, Christoph Amort, Michael Malaun
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Patent number: 6969748Abstract: Complexes of the formula I where M?Ni, Pd; process for preparing the metal complexes and the use of the complexes obtainable in this way for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.Type: GrantFiled: October 12, 2004Date of Patent: November 29, 2005Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Peter Preishuber-Pflügl, Benno Bildstein, Alexander Krajete
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Patent number: 6946568Abstract: Complexes of the formulae Ia and Ib where M=Ti, Zr, Hf, V, Nb or Ta, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.Type: GrantFiled: February 6, 2002Date of Patent: September 20, 2005Assignee: Basell Polyolefine GmbHInventors: Marc Oliver Kristen, Benno Bildstein, Alexander Krajete
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Patent number: 6936563Abstract: The invention relates to coordination compounds of the general formulae (Ia) to (Ib), wherein M=Ti, Zr, Hf, V, Nb or Ta. The invention also relates to a method for producing the metal complexes and to the use of the complexes so obtained for the polymerization and copolymerization of olefins.Type: GrantFiled: February 7, 2002Date of Patent: August 30, 2005Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Benno Bildstein, Alexander Krajete
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Patent number: 6933400Abstract: Complexes of the formulae I a to d, where M is an element of groups 6 to 10 of the Periodic Table of the Elements, preferably Ni, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes, bulk polymerization processes and emulsion polymerization processes.Type: GrantFiled: February 7, 2002Date of Patent: August 23, 2005Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Benno Bildstein, Alexander Krajete
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Patent number: 6900278Abstract: Complexes of the formula I, where M is an element of group 6 to 10 of the Period Table of the Elements, preferably Ni, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerisation processes, gas-phase polymerization processes, bulk polymerization processes or emulsion polymerization processes.Type: GrantFiled: July 13, 2001Date of Patent: May 31, 2005Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Benno Bildstein, Christoph Amort, Michael Malaun
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Publication number: 20050085527Abstract: Bisimine compounds of the formula (I) where the symbols have the following meanings: A is a nonmetal selected from among N, S, O and P, R1 is a radical of the formula NR5R6, R2 is a radical of the formula NR5R6 or NR7R8, alkyl, aryl or cycloalkyl, R5 and R6 together with the N atom form a 5-, 6- or 7-membered ring in which one or more of the —CH— or —CH2— groups may be replaced by suitable heteroatom groups and which may be saturated or unsaturated and unsubstituted or substituted or be fused with further carbacyclic or heterocarbacyclic 5- or 6-membered rings which may in turn be saturated or unsaturated and substituted or unsubstituted, and R7 and R8 are, independently of one another, alkyl, aryl or cycloalkyl radicals, and R3, R4 are, independently of one another, H or alkyl, aryl or cycloalkyl radicals, and n is 1 or 2, are used to prepare bisimidinato complexes which can be used in the polymerization of unsaturated compounds.Type: ApplicationFiled: October 7, 2004Publication date: April 21, 2005Inventors: Marc Kristen, Andrei Gonioukh, Dieter Lilge, Stephan Lehmann, Benno Bildstein, Christoph Amort, Michael Malaun
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Publication number: 20050085603Abstract: Complexes of the formula I where M?Ni, Pd; process for preparing the metal complexes and the use of the complexes obtainable in this way for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.Type: ApplicationFiled: October 12, 2004Publication date: April 21, 2005Applicant: BASF AkiengesellschaftInventors: Marc Kristen, Peter Preishuber-Pflugl, Benno Bildstein, Alexander Krajete
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Publication number: 20050038212Abstract: Ethylene and other 1-olefins and optionally other non-1-olefins are (co)polymerized in the presence of a catalyst which is a complex of formula I, where the variables are defined as follows: M is an element of Groups 6 to 10 of the Periodic Table of the Elements, Nu1 is O, S or Se; Nu2, Nu3 are each N or P, A1 is N or C—R7 or Si—R7, A2 is N or C—R8 or Si—R8, R1 to R5 are hydrogen, R6 to R9 are selected from the group consisting of (i) hydrogen, (ii) substituted or unsubstituted C1-C8-alkyl, (iii) substituted or unsubstituted C2-C8-alkenyl having from one to 4 isolated or conjugated double bonds, (iv) substituted or unsubstituted C3-C12-cycloalkyl, (v) C7-C13-aralkyl, (vi) C6-C14-aryl that is unsubstituted or monosubstituted or polysubstituted by identical or different substituents selected from the group consisting of substituted or unsubstituted C1-C8-alkyl, C3-C12-cycloalkyl, C7-C13-aralkyl, C6-C14-aryl, halogen, substituted or unsubstituted C1-C6-alkoxy, C6-C14-aryloxy, SiR10R11R12 and O—SiR10RType: ApplicationFiled: September 2, 2004Publication date: February 17, 2005Applicant: BASF AktiengesellschaftInventors: Marc Kristen, Benno Bildstein, Christoph Amort, Michael Malaun
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Patent number: 6846771Abstract: Complexes of the formulae Ia and Ib where M=Ti, Zr, Hf, V, Nb, Ta, Cr, Ni, Pd, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.Type: GrantFiled: February 6, 2003Date of Patent: January 25, 2005Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Peter Preishuber-Pflügl, Benno Bildstein, Alexander Krajete
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Patent number: 6828454Abstract: Complexes of the formula I where M═Ni, Pd; process for preparing the metal complexes and the use of the complexes obtainable in this way for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.Type: GrantFiled: February 12, 2003Date of Patent: December 7, 2004Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Peter Preishuber-Pflügl, Benno Bildstein, Alexander Krajete