Patents by Inventor Ilya E. Nifant'ev
Ilya E. Nifant'ev 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: 9701771Abstract: The present disclosure relates to metallocene catalysts for use in polymerization processes. Such catalysis may be used to generate long chain polymers with low long chain branching and high molecular weights. Additionally, the size of the polymers produced can be controlled by modifying the ratio of MAO or other activator to metallocene catalyst.Type: GrantFiled: April 2, 2015Date of Patent: July 11, 2017Assignee: Basell Polyolefine GmbHInventors: Sandor Nagy, Shahram Mihan, Linda N. Winslow, Ilya E. Nifant'ev, Pavel V. Ivchenko, Vladimir V. Bagrov, Igor A. Kashulin
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Patent number: 9593134Abstract: Method of preparing epoxidation catalysts are disclosed, including methods comprising reacting an inorganic siliceous solid with a metal complex of the formulas: wherein the variables are defined herein.Type: GrantFiled: July 16, 2015Date of Patent: March 14, 2017Assignee: Lyondell Chemical Technology, L.P.Inventors: Debra L. Jackson, Barbara Kimmich, Ilya E. Nifant'ev, Sandor Nagy, Daniel F. White, Pavel V. Ivchenko
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Patent number: 9422319Abstract: The present disclosure provides metallocene catalysts for use in polymerization processes. Such catalysts may be used to generate polymers with low branching and high molecular weights. Also, the present disclosure provides methods of bimodal polymerization resulting in a duality of average molecular weight polymers being simultaneously produced. In the system, the size of the polymers produced can be controlled by modifying the type and amount of catalyst activator.Type: GrantFiled: April 2, 2015Date of Patent: August 23, 2016Assignee: Basell Polyolefine GmbHInventors: Michael W. Lynch, Sandor Nagy, Shahram Mihan, Ilya E. Nifant'ev, Pavel V. Ivchenko, Vladimir V. Bagrov, Igor A. Kashulin
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Patent number: 9422380Abstract: The present disclosure relates to metallocene catalyst and the use thereof to make polyolefins. In particular, the present disclosure relates to silyl-functionalized metallocene catalyst and the use of the silyl-functionalized metallocene catalyst to polymerize olefins and yield a polyolefin. Also, the present disclosure relates to a method for producing a polyolefin comprising at least the step of contacting an olefin with a metallocene catalyst to produce a polyolefin. In particular, the present disclosure provides a method for producing a polyolefin comprising the step of contacting an olefin with a silyl-functionalized metallocene catalyst.Type: GrantFiled: April 2, 2015Date of Patent: August 23, 2016Assignee: Basell Polyolefine WesselingInventors: Sandor Nagy, Shahram Mihan, Ilya E. Nifant'ev, Pavel V. Ivchenko, Vladimir V. Bagrov, Igor A. Kashulin
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Publication number: 20160016157Abstract: Method of preparing epoxidation catalysts are disclosed, including methods comprising reacting an inorganic siliceous solid with a metal complex of the formulas: wherein the variables are defined herein.Type: ApplicationFiled: July 16, 2015Publication date: January 21, 2016Inventors: Debra L. Jackson, Barbara Kimmich, Ilya E. Nifant'ev, Sandor Nagy, Daniel F. White, Pavel V. Ivchenko
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Publication number: 20150284418Abstract: The present disclosure provides metallocene catalysts for use in polymerization processes. Such catalysts may be used to generate polymers with low branching and high molecular weights. Also, the present disclosure provides methods of bimodal polymerization resulting in a duality of average molecular weight polymers being simultaneously produced. In the system, the size of the polymers produced can be controlled by modifying the type and amount of catalyst activator.Type: ApplicationFiled: April 2, 2015Publication date: October 8, 2015Inventors: Michael W. Lynch, Sandor Nagy, Shahram Mihan, Ilya E. Nifant'ev, Pavel V. Ivchenko, Vladimir V. Bagrov, Igor A. Kashulin
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Publication number: 20150284489Abstract: The present disclosure relates to metallocene catalyst and the use thereof to make polyolefins. In particular, the present disclosure relates to silyl-functionalized metallocene catalyst and the use of the silyl-functionalized metallocene catalyst to polymerize olefins and yield a polyolefin. Also, the present disclosure relates to a method for producing a polyolefin comprising at least the step of contacting an olefin with a metallocene catalyst to produce a polyolefin. In particular, the present disclosure provides a method for producing a polyolefin comprising the step of contacting an olefin with a silyl-functionalized metallocene catalyst.Type: ApplicationFiled: April 2, 2015Publication date: October 8, 2015Inventors: Sandor Nagy, Shahram Mihan, Ilya E. Nifant'ev, Pavel V. Ivchenko, Vladimir V. Bagrov, Igor A. Kashulin
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Publication number: 20130023635Abstract: A catalyst system useful for polymerizing olefins is disclosed. The catalyst system comprises an activator and a Group 4 metal complex. The complex incorporates a dianionic, tridentate heterocyclic-8-anilinoquinoline ligand. In one aspect, a supported catalyst system is prepared by first combining a boron compound having Lewis acidity with excess alumoxane to produce an activator mixture, followed by combining the activator mixture with a support and the dianionic, tridentate Group 4 metal complex. The Group 4 metal complexes are easy to synthesize, support, and activate, and they enable facile production of high-molecular-weight polyolefins.Type: ApplicationFiled: July 18, 2011Publication date: January 24, 2013Inventors: Ilya E. NIFANT'EV, Sander Nagy, Vladimir V. Bagrov, Pavel V. Ivchenko, Shahram Mihan
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Patent number: 8158733Abstract: Catalysts useful for polymerizing olefins are disclosed. The catalysts comprise an activator and a Group 4 metal complex that incorporates a dianionic, tridentate 2-(2-aryloxy)quinoline or 2-(2-aryloxy)dihydroquinoline ligand. In one aspect, supported catalysts are prepared by first combining a boron compound having Lewis acidity with excess alumoxane to produce an activator mixture, followed by combining the activator mixture with a support and the tridentate, dianionic Group 4 metal complex. The catalysts are easy to synthesize, support, and activate, and they enable facile production of high-molecular-weight polyolefins.Type: GrantFiled: July 22, 2009Date of Patent: April 17, 2012Assignee: Equistar Chemicals, LPInventors: Sandor Nagy, Linda N. Winslow, Shahram Mihan, Reynald Chevalier, Lenka Lukesova, Ilya E. Nifant'ev, Pavel V. Ivchenko
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Patent number: 8153544Abstract: A method of preparing supported catalysts useful for olefin polymerization is described. The catalysts comprise a Group 4 metal complex that incorporates a tridentate dianionic ligand. An activator mixture is first made from a boron compound having Lewis acidity and an excess of an alumoxane. The activator mixture is then combined with a support and the Group 4 metal complex to give a supported catalyst. The method provides an active, supported catalyst capable of making high-molecular-weight polyolefins.Type: GrantFiled: July 22, 2009Date of Patent: April 10, 2012Assignee: Equistar Chemicals, LPInventors: Sandor Nagy, Linda N. Winslow, Shahram Mihan, Reynald Chevalier, Lenka Lukesova, Ilya E. Nifant'ev, Pavel V. Ivchenko, Karen L. Neal-Hawkins
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Publication number: 20120016092Abstract: Catalysts useful for polymerizing olefins are disclosed. The catalysts comprise a transition metal complex, an optional activator, and an optional support. The complex is the reaction product of a Group 3-6 transition metal source, an optional alkylating agent, and a ligand precursor comprising a 2-imino-8-anilinoquinoline or a 2-aminoalkyl-8-anilinoquinoline. The catalysts, which are easy to synthesize by in-situ metallation of the ligand precursor, offer polyolefin manufacturers good activity and the ability to make high-molecular-weight ethylene copolymers that have little or no long-chain branching.Type: ApplicationFiled: July 14, 2010Publication date: January 19, 2012Inventors: Sandor Nagy, Linda N. Winslow, Shahram Mihan, Lenka Lukesova, Ilya E. Nifant'ev, Pavel V. Ivchenko, Vladimir V. Bagrov
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Publication number: 20110223633Abstract: An affinity matrix comprising a metal ion covalently attached thereto and methods for making and using the same are described. The matrix has affinity for various phosphorylated biomolecules, such as phosphoproteins/phosphopeptides. The matrix may be used in a variety of different applications, including phospho-biomolecule (e.g., phosphoprotein and phosphopeptides) enrichment/purification and characterization applications. Also provided are kits and systems that include the matrix.Type: ApplicationFiled: October 20, 2009Publication date: September 15, 2011Inventors: Alexey V. Pshezhetsky, Ilya E. Nifant'Ev
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Publication number: 20110152480Abstract: A solid catalyst component for polymerizing at least one olefin comprising Mg, Ti, at least one halogen, and at least one electron donor selected from arylsulfonates and arylsulfonyl derivatives of a specified formula The solid catalyst component is able to give in high yields polyolefins with high stereoregularity.Type: ApplicationFiled: September 3, 2009Publication date: June 23, 2011Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Yuri Gulevich, Fabrizio Piemontesi, Benedetta Gaddi, Simona Guidotti, Ilya E. Nifant'ev, Andrey Lyubimtsev
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Publication number: 20110021344Abstract: A method of preparing supported catalysts useful for olefin polymerization is described. The catalysts comprise a Group 4 metal complex that incorporates a tridentate dianionic ligand. An activator mixture is first made from a boron compound having Lewis acidity and an excess of an alumoxane. The activator mixture is then combined with a support and the Group 4 metal complex to give a supported catalyst. The method provides an active, supported catalyst capable of making high-molecular-weight polyolefins.Type: ApplicationFiled: July 22, 2009Publication date: January 27, 2011Inventors: Sandor Nagy, Linda N. Winslow, Shahram Mihan, Reynald Chevalier, Lenka Lukesova, Ilya E. Nifant'ev, Pavel V. Ivchenko, Karen L. Neal-Hawkins
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Publication number: 20110021727Abstract: Catalysts useful for polymerizing olefins are disclosed. The catalysts comprise an activator and a Group 4 metal complex that incorporates a dianionic, tridentate 2-(2-aryloxy)quinoline or 2-(2-aryloxy)dihydroquinoline ligand. In one aspect, supported catalysts are prepared by first combining a boron compound having Lewis acidity with excess alumoxane to produce an activator mixture, followed by combining the activator mixture with a support and the tridentate, dianionic Group 4 metal complex. The catalysts are easy to synthesize, support, and activate, and they enable facile production of high-molecular-weight polyolefins.Type: ApplicationFiled: July 22, 2009Publication date: January 27, 2011Inventors: Sandor Nagy, Linda N. Winslow, Shahram Mihan, Reynald Chevalier, Lenka Lukesova, Ilya E. Nifant'ev, Pavel V. Ivchenko
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Patent number: 7858718Abstract: Catalysts useful for polymerizing olefins are disclosed. The catalysts comprise an activator and a Group 4 metal complex that incorporates a dianionic, tridentate 2-aryl-8-anilinoquinoline ligand. In one aspect, supported catalysts are prepared by first combining a boron compound having Lewis acidity with excess alumoxane to produce an activator mixture, followed by combining the activator mixture with a support and the tridentate, dianionic Group 4 metal complex. The catalysts are easy to synthesize, support, and activate, and they enable facile production of high-molecular-weight polyolefins.Type: GrantFiled: July 22, 2009Date of Patent: December 28, 2010Assignee: Equistar Chemicals, LPInventors: Sandor Nagy, Linda N. Winslow, Shahram Mihan, Reynald Chevalier, Lenka Lukesova, Ilya E. Nifant'ev, Pavel V. Ivchenko, Michael W. Lynch
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Patent number: 7858717Abstract: A bridged metallocene compound of formula (I) wherein: M is an atom of a transition metal selected from those belonging to group 3, 4, or to the lanthanide or actinide groups in the Periodic Table of the Elements; X, equal to or different from each other, is a hydrogen atom, a halogen atom, a R, OR, OSO2CF3, OCOR, SR, NR2 or PR2 group; L is a divalent bridging group; R1 and R2, equal to each other, are C1-C40 hydrocarbon radical; R3 is hydrogen or a are C1-C40 hydrocarbon radical and W is an aromatic 5 or 6 membered ring.Type: GrantFiled: March 5, 2007Date of Patent: December 28, 2010Assignee: Basell Polyolefine GmbHInventors: Luigi Resconi, Ilya E. Nifant'ev, Pavel V. Ivchenko, Vladimir Bagrov, Francesca Focante, Gilberto Moscardi
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Patent number: 7834205Abstract: A bridged metallocene compound of formula (I) wherein: M is a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group optionally containing heteroatoms; L is a divalent bridging group; R1 is a linear C1-C40 hydrocarbon radical optionally containing heteroatoms; T1 and T4 are a oxygen, sulfur atom or a C(R18)3 group; wherein R18, are hydrogen atoms or a C1-C40 hydrocarbon radical; T3 and T4 are C1-C40 hydrocarbon radicals; R4 is a hydrogen atom or a C1-C40 hydrocarbon radical; W is an aromatic 5 or 6 membered ring.Type: GrantFiled: April 6, 2007Date of Patent: November 16, 2010Assignee: Basell Polyolifine GmbHInventors: Luigi Resconi, Francesca Focante, Davide Balboni, Ilya E. Nifant'ev, Pavel V. Ivchenko, Vladimir Bagrov
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Publication number: 20090221772Abstract: A bridged metallocene compound of formula (I) wherein: M is a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group optionally containing hetematoms; L is a divalent bridging group; R1 is a linear C1C40 hydrocarbon radical optionally containing hetexoatonis; T1, T2, T3 and T4 are an oxygen or sulfur atom or a C(R18)2 group with the proviso that at least one group between T1 and T2 is an oxygen or a sulfur atom; wherein R18, are hydrogen atoms or a C1-C40 hydrocarbon radical; n is 1, 2 or 3; R4 is a hydrogen atom or a C1-C40 hydro carbon radical; W is an aromatic 5 or 6 membered ring.Type: ApplicationFiled: March 15, 2006Publication date: September 3, 2009Applicant: Basell Polylefine GmbHInventors: Marco Sacco, Ilya E. Nifant'Ev, Pavel V. Ivchenko, Vladimir Bagrov, Francesca Focante
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Publication number: 20090062491Abstract: A bridged metallocene compound of formula (I) wherein: M is an atom of a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon-based group; R1 is a C1-C40 hydrocarbon radical; R2 and R3, form together a condensed 3-7 membered ring; R4 is a hydrogen atom or a C1-C40 hydrocarbon radical; W is an aromatic 5 or 6 membered ring.Type: ApplicationFiled: March 15, 2006Publication date: March 5, 2009Inventors: Ilya E. Nifant'ev, Pavel V. Ivchenko, Yoshikuni Okumura, Eleonora Ciaccia, Luigi Resconi