Patents by Inventor Alexander Z. Voskoboynikov

Alexander Z. Voskoboynikov 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).

  • Catalyst compounds and use thereof
    Patent number: 8546501
    Abstract: This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly ?-olefins, or other unsaturated monomers. Systems and processes to oligomerize and/or polymerize one or more unsaturated monomers using the catalyst compound, as well as the oligomers and/or polymers produced therefrom are also provided.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: October 1, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Garth R. Giesbrecht, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
  • Catalyst compounds and use thereof
    Patent number: 8541521
    Abstract: Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands are provided. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly ?-olefins, or other unsaturated monomers. Systems and processes to oligomerize and/or polymerize one or more unsaturated monomers using the catalyst compound, as well as the oligomers and/or polymers produced therefrom are also provided.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: September 24, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Garth R. Giesbrecht, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
  • Catalyst compounds and use thereof
    Patent number: 8541522
    Abstract: This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly ?-olefins, or other unsaturated monomers. Systems and processes to oligomerize and/or polymerize one or more unsaturated monomers using the catalyst compound, as well as the oligomers and/or polymers produced therefrom are also provided.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: September 24, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Garth R. Giesbrecht, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
  • Catalyst compounds and use thereof
    Patent number: 8530593
    Abstract: This invention relates to Group 4 dialkyl compounds supported by a pyridyl-amido-aryl (“PAA”), an anisole-amido-aryl (“AAA”), a phenoxy-amido-pyridyl (“PAPY”), an anisole-amido-phenoxy (“AAP”) or a anisole-amido-phenoxy (“AAP”) tridentate ligand. Such compounds can polymerize olefins, such as ethylene.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: September 10, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Garth R. Giesbrecht, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
  • Synthesis of substituted tetrahydroindenyl complexes
    Patent number: 8426613
    Abstract: This invention relates to the synthesis of substituted tetrahydroindenyls and the use of the synthesized complexes in the homo- and co-polymerization of ethylene and alpha-olefins.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: April 23, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Alexander Z. Voskoboynikov, Vyatcheslav V. Izmer, Dmitry S. Kononovich, Abbas Razavi
  • Pyridyldiamido transition metal complexes, production and use thereof
    Patent number: 8394902
    Abstract: Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: March 12, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John R. Hagadorn, Renuka N. Ganesh, Dmitry V. Uborsky, Ilya S. Borisov, Ivan V. Pruss, Alexander Z. Voskoboynikov
  • Synthesis of substituted fluorene ligands
    Patent number: 8288602
    Abstract: The present invention describes a cost-efficient method for preparing di-substituted fluorenes in high yield.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: October 16, 2012
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Alexander Z. Voskoboynikov, Artyom Y. Le Bedev, Andrey F. Asachenko, Abbas Razavi
  • Halogen Substituted Heteroatom-Containing Metallocene Compounds for Olefin Polymerization
    Publication number: 20120202956
    Abstract: Halogen substituted metallocene compounds are described and comprise one or more monocyclic or polycyclic ligands that are pi-bonded to the metal atom and include at least one halogen substituent directly bonded to an sp2 carbon atom at a bondable ring position of the ligand, wherein the or at least one ligand has one or more ring heteroatoms in its cyclic structure. When combined with a suitable activator, these compounds show activity in the polymerization of olefins, such as ethylene and propylene.
    Type: Application
    Filed: March 20, 2012
    Publication date: August 9, 2012
    Inventors: Alexander Z. VOSKOBOYNIKOV, Alexey N. Ryabov, Mikhail V. Nikulin, Alexander V. Lygin, Dmitry V. Uborsky, Catalina L. Coker, Jo Ann M. Canich
  • Halogen substituted heteroatom-containing metallocene compounds for olefin polymerization
    Patent number: 8173828
    Abstract: Halogen substituted metallocene compounds are described and comprise one or more monocyclic or polycyclic ligands that are pi-bonded to the metal atom and include at least one halogen substituent directly bonded to an sp2 carbon atom at a bondable ring position of the ligand, wherein the or at least one ligand has one or more ring heteroatoms in its cyclic structure. When combined with a suitable activator, these compounds show activity in the polymerization of olefins, such as ethylene and propylene.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: May 8, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Alexander Z. Voskoboynikov, Alexey N. Ryabov, Mikhail V. Nikulin, Alexander V. Lygin, Dmitry V. Uborsky, Catalina L. Coker, Jo Ann M. Canich
  • Pyridyldiamido Transition Metal Complexes, Production And Use Thereof
    Publication number: 20120071616
    Abstract: Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization.
    Type: Application
    Filed: March 25, 2011
    Publication date: March 22, 2012
    Inventors: John R. Hagadorn, Renuka N. Ganesh, Dmitry V. Uborsky, Ilya S. Borisov, Ivan V. Pruss, Alexander Z. Voskoboynikov
  • SYNTHESIS OF SUBSTITUTED TETRAHYDROINDENYL COMPLEXES
    Publication number: 20110306741
    Abstract: This invention relates to the synthesis of substituted tetrahydroindenyls and the use of the synthesised complexes in the homo- and co-polymerisation of ethylene and alpha-olefins.
    Type: Application
    Filed: December 15, 2009
    Publication date: December 15, 2011
    Applicants: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Alexander Z. Voskoboynikov, Vyatcheslav V. Izmer, Dmitry S. Kononovich, Abbas Razavi
  • Halogen Substituted Heteroatom-Containing Metallocene Compounds for Olefin Polymerization
    Publication number: 20110288249
    Abstract: Halogen substituted metallocene compounds are described and comprise one or more monocyclic or polycyclic ligands that are pi-bonded to the metal atom and include at least one halogen substituent directly bonded to an sp2 carbon atom at a bondable ring position of the ligand, wherein the or at least one ligand has one or more ring heteroatoms in its cyclic structure. When combined with a suitable activator, these compounds show activity in the polymerization of olefins, such as ethylene and propylene.
    Type: Application
    Filed: November 22, 2010
    Publication date: November 24, 2011
    Inventors: Alexander Z. VOSKOBOYNIKOV, Alexey N. Ryabov, Mikhail V. Nikulin, Alexander V. Lygin, Dmitry V. Uborsky, Catalina I. Coker, Jo Ann M. Canich
  • Mono-indenyl transition metal compounds and polymerization therewith
    Patent number: 8058461
    Abstract: This invention relates to transition metal compounds, catalyst systems comprising said compounds and polymerization processes using such catalyst systems, where the transition metal compound is represented by the formula: This invention also relates to process to produce such compounds.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: November 15, 2011
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Alexander Z. Voskoboynikov, Mikhail V. Nikulin, Aleksey A. Tsarev, Andrey F. Asachenko, Alexander V. Babkin, Garth R. Giesbrecht, Jo Ann M. Canich
  • Mono-Indenyl Transition Metal Compounds and Polymerization Therewith
    Publication number: 20110213109
    Abstract: This invention relates to transition metal compounds, catalyst systems comprising said compounds and polymerization processes using such catalyst systems, where the transition metal compound is represented by the formula: This invention also relates to process to produce such compounds.
    Type: Application
    Filed: March 1, 2010
    Publication date: September 1, 2011
    Inventors: Alexander Z. Voskoboynikov, Mikhail V. Nikulin, Aleksey A. Tsarev, Andrey F. Asachenko, Alexander V. Babkin, Garth R. Giesbrecht, Jo Ann M. Canich
  • Catalyst Compounds And Use Thereof
    Publication number: 20110098427
    Abstract: Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands are provided. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly ?-olefins, or other unsaturated monomers. Systems and processes to oligomerize and/or polymerize one or more unsaturated monomers using the catalyst compound, as well as the oligomers and/or polymers produced therefrom are also provided.
    Type: Application
    Filed: October 20, 2010
    Publication date: April 28, 2011
    Inventors: Garth R. Giesbrecht, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
  • Catalyst Compounds and Use Thereof
    Publication number: 20110098430
    Abstract: This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly ?-olefins, or other unsaturated monomers. Systems and processes to oligomerize and/or polymerize one or more unsaturated monomers using the catalyst compound, as well as the oligomers and/or polymers produced therefrom are also provided.
    Type: Application
    Filed: October 20, 2010
    Publication date: April 28, 2011
    Inventors: Garth R. GIESBRECHT, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
  • Catalyst Compounds and Use Thereof
    Publication number: 20110098429
    Abstract: This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly a-olefins, or other unsaturated monomers. Systems and processes to oligomerize and/or polymerize one or more unsaturated monomers using the catalyst compound, as well as the oligomers and/or polymers produced therefrom are also provided.
    Type: Application
    Filed: October 20, 2010
    Publication date: April 28, 2011
    Inventors: Garth R. Giesbrecht, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
  • Catalyst Compounds and Use Thereof
    Publication number: 20110098431
    Abstract: This invention relates to Group 4 dialkyl compounds supported by a pyridyl-amido-aryl (“PAA”), an anisole-amido-aryl (“AAA”), a phenoxy-amido-pyridyl (“PAPY”), an anisole-amido-phenoxy (“AAP”) or a anisole-amido-phenoxy (“AAP”) tridentate ligand. Such compounds can polymerize olefins, such as ethylene.
    Type: Application
    Filed: October 20, 2010
    Publication date: April 28, 2011
    Inventors: Garth R. GIESBRECHT, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
  • Catalyst Compounds and Use Thereof
    Publication number: 20110098425
    Abstract: This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly a-olefins, or other unsaturated monomers. Systems and processes to oligomerize and/or polymerize one or more unsaturated monomers using the catalyst compound, as well as the oligomers and/or polymers produced therefrom are also provided.
    Type: Application
    Filed: October 20, 2010
    Publication date: April 28, 2011
    Inventors: Garth R. Giesbrecht, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
  • Preparation of substituted bridged indenyl and related ligands
    Patent number: 7910783
    Abstract: A process for preparing a chelating ligand of the formula (II) from a chelating ligand of the formula (I) via an sp2-sp2 or sp2-sp3 coupling reaction with an organometallic compound of the formula (III).
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: March 22, 2011
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Alexander Z. Voskoboynikov, Mikhail V. Nikulin, Alexey N. Ryabov, Alexander V. Lygin, Catalina L. Coker, Jo Ann M. Canich