Patents by Inventor Garth R. Giesbrecht

Garth R. Giesbrecht 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).

  • Polyalphaolefins prepared using modified Salan catalyst compounds
    Patent number: 9382349
    Abstract: Polyalphaolefins and Salan catalysts, catalyst systems, and processes to produce the polyalphaolefins. Also disclosed are high-viscosity index polyalphaolefins and processes for producing them.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: July 5, 2016
    Assignees: ExxonMobil Chemical Patents Inc., Ramot at Tel-Aviv University Ltd.
    Inventors: Bruce A. Harrington, Garth R. Giesbrecht, Matthew W. Holtcamp, Moshe Kol, Konstantin Press, Gregory S. Day
  • Polyalphaolefins prepared using modified salan catalyst compounds
    Patent number: 9365661
    Abstract: Disclosed herein are polyalphaolefins and Salan cataylsts, catalyst systems, and processes to produce the polyalphaolefins.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: June 14, 2016
    Assignees: ExxonMobil Chemical Patents Inc., Ramot at Tel-Aviv University Ltd.
    Inventors: Garth R. Giesbrecht, Matthew W. Holtcamp, Moshe Kol, Konstantin Press, Gregory S. Day
  • Metallocenes and Catalyst Compositions Derived Therefrom
    Publication number: 20160130374
    Abstract: This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound that is asymmetric having two non-identical indenyl ligands with substitution at R2 having a branched or unbranched C1-C20 alkyl group substituted with a cyclic group or a cyclic group, R8 is an alkyl group and R4 and R10 are substituted phenyl groups.
    Type: Application
    Filed: January 19, 2016
    Publication date: May 12, 2016
    Inventors: Jian Yang, Matthew W. Holtcamp, Garth R. Giesbrecht, Gregory S. Day
  • LIGANDS FOR CATALYSTS
    Publication number: 20160032025
    Abstract: Catalyst systems and methods for making and using the same. A catalyst system can include a non-metallocene catalyst having the structure: wherein M is a group 4 element, each of R13-R20 are independently a hydrogen or a methyl group, wherein at least one of R13-R20 is a methyl group, Ar is an aryl group or a substituted aryl group, Ar? is an aryl group or a substituted aryl group, and each X is, independently, a hydride group, an amide, a benzyl group, a methyl group, a chloro group, a fluoro group, or a hydrocarbyl group.
    Type: Application
    Filed: February 21, 2014
    Publication date: February 4, 2016
    Applicant: Univation Technologies LLC
    Inventor: Garth R. Giesbrecht
  • Metallocenes and catalyst compositions derived therefrom
    Patent number: 9249239
    Abstract: This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound that is asymmetric having two non-identical indenyl ligands with substitution at R2 having a branched or unbranched C1-C20 alkyl group substituted with a cyclic group or a cyclic group, R8 is an alkyl group and R4 and R10 are substituted phenyl groups.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: February 2, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Yang Jian, Matthew W. Holtcamp, Garth R. Giesbrecht, Gregory S. Day
  • MULTIPLE CATALYST SYSTEM COMPRISING METALLOCENES AND TRIDENTATE NITROGEN BASED LIGAND COMPLEXES FOR OLEFIN POLYMERISATION
    Publication number: 20160024238
    Abstract: Catalyst systems and methods for making and using the same are described herein. A catalyst system can include at least three catalysts. The three catalysts include a metallocene catalyst, a first non-metallocene including a ligand complexed to a metal through two or more nitrogen atoms, and a second non-metallocene including a ligand complexed to a metal through one or more nitrogen atoms and an oxygen atom.
    Type: Application
    Filed: February 21, 2014
    Publication date: January 28, 2016
    Applicant: Univation Technologies, LLC
    Inventors: Juliet B. Wagner, Garth R. Giesbrecht, Sun-Chueh Kao, Stephen P. Jaker
  • Methods of preparing a catalyst system
    Patent number: 9234060
    Abstract: Disclosed herein are methods of preparing a catalyst system comprising a spray-dried activator and polymerization processes employing these catalyst systems.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: January 12, 2016
    Assignee: Univation Technologies, LLC
    Inventors: Sun-Chueh Kao, Phuong A. Cao, C. Jeff Harlan, Parul A. Khokhani, George Rodriguez, Francis C. Rix, Garth R. Giesbrecht
  • Long-bridged salen catalyst
    Patent number: 9200100
    Abstract: Catalysts comprising long-bridged salen ligands comprising an imino-phenylene-alkylene-imino or an imino-napthalenylene-alkylene-imino bridged salen compound. Also, catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: December 1, 2015
    Assignees: ExxonMobil Chemical Patents Inc., Ramot at Tel-Aviv University Ltd.
    Inventors: Moshe Kol, Matthew W. Holtcamp, Garth R. Giesbrecht, Gregory S. Day, Konstantin Press
  • Vinyl Terminated Polyethylene with Long Chain Branching
    Publication number: 20150337058
    Abstract: Vinyl terminated polyolefins with long chain branching produced with Salan catalysts having carbazole moieties.
    Type: Application
    Filed: May 1, 2015
    Publication date: November 26, 2015
    Inventors: Garth R. Giesbrecht, Matthew W. Holtcamp, Moshe Kol
  • Vinyl Terminated Macromonomers
    Publication number: 20150291710
    Abstract: Polymers produced by a process comprising contacting one or more olefins with a catalyst system comprising an activator and a Salan catalyst disposed on a support.
    Type: Application
    Filed: April 17, 2015
    Publication date: October 15, 2015
    Inventors: Garth R. Giesbrecht, Matthew W. Holtcamp, Gregory S. Day, John R. Hagadorn
  • Supported Salan catalysts
    Patent number: 9120879
    Abstract: Supported Salan catalysts, a process comprising contacting one or more olefins with a catalyst system comprising an activator and a Salan catalyst disposed on a support, and polymers produced by the process.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: September 1, 2015
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Garth R. Giesbrecht, Matthew W. Holtcamp, Gregory S. Day, John R. Hagadorn
  • Methods of Preparing a Catalyst System
    Publication number: 20150166699
    Abstract: Disclosed herein are methods of preparing a catalyst system comprising a spray-dried activator and polymerization processes employing these catalyst systems.
    Type: Application
    Filed: November 6, 2012
    Publication date: June 18, 2015
    Applicant: UNIVATION TECHNOLOGIES, LLC
    Inventors: Sun-Chueh Kao, Phuong A. Cao, C. Jeff Harlan, Parul A. Khokhani, George Rodriguez, Francis C. Rix, Garth R. Giesbrecht
  • Polyalphaolefins Prepared Using Modified Salan Catalyst Compounds
    Publication number: 20150158958
    Abstract: Polyalphaolefins and Salan catalysts, catalyst systems, and processes to produce the polyalphaolefins. Also disclosed are high-viscosity index polyalphaolefins and processes for producing them.
    Type: Application
    Filed: August 2, 2013
    Publication date: June 11, 2015
    Inventors: Bruce A. Harrington, Garth R. Giesbrecht, Matthew W. Holtcamp, Moshe Kol, Konstantin Press, Gregory S. Day
  • Vinyl terminated polyethylene with long chain branching
    Patent number: 9045568
    Abstract: Vinyl terminated polyolefins with long chain branching produced with Salan catalysts having carbazole moieties.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: June 2, 2015
    Assignees: ExxonMobil Chemical Patents Inc., Ramot at Tel-Aviv University Ltd.
    Inventors: Garth R. Giesbrecht, Matthew W. Holtcamp, Moshe Kol
  • Nonsymmetric catalysts comprising salan ligands
    Patent number: 8957172
    Abstract: Catalysts comprising a non-symmetrical Salan ligand with a carbazole moiety. Also disclosed are catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: February 17, 2015
    Assignees: ExxonMobil Chemical Patents Inc., Ramot at Tel-Aviv University Ltd.
    Inventors: Garth R. Giesbrecht, Matthew W. Holtcamp, Moshe Kol, Gregory S. Day, David A. Cano
  • Catalysts comprising salan ligands
    Patent number: 8957171
    Abstract: Catalysts comprising salan ligands with carbazole moieties. Also, catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: February 17, 2015
    Assignees: ExxonMobil Chemical Patents Inc., Ramot at Tel-Aviv University Ltd.
    Inventors: Garth R. Giesbrecht, Gregory S. Day, Matthew W. Holtcamp, Moshe Kol, David A. Cano, Eric D. Whetmore, Konstantin Press
  • Halogenated catalysts comprising Salan ligands
    Patent number: 8952114
    Abstract: Catalysts comprising a halogenated Salan ligand. Also disclosed are catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: February 10, 2015
    Assignees: ExxonMobil Chemical Patents Inc., Ramot at Tel-Aviv University Ltd.
    Inventors: Garth R. Giesbrecht, Matthew W. Holtcamp, Moshe Kol, Gregory S. Day, Konstantin Press
  • Metallocenes and Catalyst Compositions Derived Therefrom
    Publication number: 20150025206
    Abstract: This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound having two indenyl ligands with identical substitution including, for example, cyclopropyl groups and substituted phenyl groups at the 2 and 4 positions of the catalyst, respectively, where the substituents are at the 3? and 5? positions of the phenyl groups.
    Type: Application
    Filed: July 7, 2014
    Publication date: January 22, 2015
    Inventors: Jian Yang, Matthew W. Holtcamp, Garth R. Giesbrecht, Gregory S. Day, Jo Ann M. Canich, Lian Xiongdong
  • Metallocenes and Catalyst Compositions Derived Tehrefrom
    Publication number: 20150025205
    Abstract: This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound that is asymmetric having two non-identical indenyl ligands with substitution at R2 having a branched or unbranched C1-C20 alkyl group substituted with a cyclic group or a cyclic group, R8 is an alkyl group and R4 and R10 are substituted phenyl groups.
    Type: Application
    Filed: July 7, 2014
    Publication date: January 22, 2015
    Inventors: Yang Jian, Matthew W. Holtcamp, Garth R. Giesbrecht, Gregory S. Day
  • Long-Bridged Salen Catalyst
    Publication number: 20140378633
    Abstract: Catalysts comprising long-bridged salen ligands comprising an imino-phenylene-alkylene-imino or an imino-napthalenylene-alkylene-imino bridged salen compound. Also, catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes.
    Type: Application
    Filed: June 6, 2014
    Publication date: December 25, 2014
    Inventors: Moshe Kol, Matthew W. Holtcamp, Garth R. Giesbrecht, Gregory S. Day, Konstantin Press