Patents by Inventor Gregory S. Day

Gregory S. Day 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).

  • Patent number: 10414887
    Abstract: A catalyst system including the reaction product of a fluorided support (such as a fluorided silica support) that preferably has not been calcined at a temperature of 400° C. or more, an activator and at least a first transition metal catalyst compound; methods of making such catalyst systems, polymerization processes using such catalyst systems and polymers made therefrom.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: September 17, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Xuan Ye, Matthew W. Holtcamp, Gregory S. Day, Matthew S. Bedoya, David F. Sanders, Laughlin G. McCullough
  • Patent number: 10358397
    Abstract: A process for producing alpha-olefin dimers comprises contacting, at a temperature of 80° C.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: July 23, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Meagan E. Evans, Crisita Carmen H. Atienza, Jo Ann M. Canich, John R. Hagadorn, David A. Cano, Gregory S. Day, Patrick C. Chen
  • Patent number: 10351647
    Abstract: This invention relates to a process to polymerize olefins by contacting one or more olefins with a catalyst system comprising an organoaluminum treated layered silicate support, and a bridged metallocene compound and obtaining a polyolefin having a g?vis of 0.90 or more and an MIR of 30 or less.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: July 16, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, Gregory S. Day, Laughlin G. McCullough, David F. Sanders
  • Patent number: 10294312
    Abstract: A catalyst system comprising a combination of: 1) an activator; 2) one or more metallocene catalyst compounds; 3) a support comprising an organosilica material, which may be a mesoporous organosilica material. The organosilica material may be a polymer of at least one monomer of Formula [Z1OZ2SiCH2]3 (I), where Z1 represents a hydrogen atom, a C1-C4 alkyl group, or a bond to a silicon atom of another monomer and Z2 represents a hydroxyl group, a C1-C4 alkoxy group, a C1-C6 alkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: May 21, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Matthew W. Holtcamp, Gregory S. Day, David F. Sanders, David C. Calabro, Quanchang Li, Machteld M. W. Mertens
  • Patent number: 10287372
    Abstract: This invention relates to high porosity (?15%) and/or low pore diameter (PD<165 ?m) propylene polymers and propylene polymerization processes using single site catalyst systems with supports having high surface area (SA?400 m2/g), low pore volume (PV?2 mL/g), a specific mean pore diameter range (PD=1-20 nm), and high average particle size (PS?30 ?m).
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: May 14, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Lubin Luo, Matthew W. Holtcamp, Gregory S. Day
  • Publication number: 20190002366
    Abstract: A process for producing alpha-olefin dimers comprises contacting, at a temperature of 80° C.
    Type: Application
    Filed: April 9, 2018
    Publication date: January 3, 2019
    Inventors: Meagan E. Evans, Crisita Carmen H. Atienza, Jo Ann M. Canich, John R. Hagadorn, David A. Cano, Gregory S. Day, Patrick C. Chen
  • Patent number: 10119016
    Abstract: This invention relates to heterophasic copolymers of propylene and an alpha olefin comonomer having a high fill phase content (?15%), and heterophasic polymerization processes using a single site catalyst system with a support having high average particle size (PS?30 ?m), high surface area (SA?400 m2/g), low pore volume (PV?2 mL/g), and a mean pore diameter range of 1?PD?20 nm.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: November 6, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Lubin Luo, Gregory S. Day, Matthew W. Holtcamp
  • Publication number: 20180298127
    Abstract: This invention relates to a process to polymerize olefins by contacting one or more olefins with a catalyst system comprising an organoaluminum treated layered silicate support, and a bridged metallocene compound and obtaining a polyolefin having a g?vis of 0.90 or more and an MIR of 30 or less.
    Type: Application
    Filed: April 15, 2016
    Publication date: October 18, 2018
    Inventors: Matthew W. Holtcamp, Gregory S. Day, Laughlin G. McCullough, David F. Sanders
  • Patent number: 10059788
    Abstract: This invention relates to organoaluminum activators, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising an ion-exchange layered silicate, an organoaluminum activator, and a metallocene.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: August 28, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, Gregory S. Day
  • Publication number: 20180201700
    Abstract: This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems, and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising ion-exchange layered silicate, a catalyst compound, an activator and an aluminum compound represented by formula: Al(R?)3?v(R?)v, wherein each R?, independently, is a C1-C30 hydrocarbyl group; each R?, independently, is a C4-C20 hydrocarbenyl group; and v is from 0.1 to 3.
    Type: Application
    Filed: August 10, 2016
    Publication date: July 19, 2018
    Inventors: Matthew W. Holtcamp, Gregory S. Day, John R. Hagadorn, Patrick J. Palafox, Ramyaa Mathialagan, Jo Ann M. Canich
  • Publication number: 20180194872
    Abstract: This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising a support, an organoaluminum compound and a metallocene.
    Type: Application
    Filed: August 10, 2016
    Publication date: July 12, 2018
    Inventors: Matthew W. Holtcamp, Gregory S. Day, John R. Hagadorn, Patrick J. Palafox, Ramyaa Mathialagan, Jo Ann M. Canich
  • Publication number: 20180171040
    Abstract: This invention relates to a catalyst system comprising fluorided silica, alkylalumoxane activator and at least two metallocene catalyst compounds, where the first metallocene is a bridged monocyclopentadienyl group 4 transition metal compound and the second metallocene is a biscyclopentadientyl group 4 transition metal compound, where the fluorided support has not been calcined at a temperature of 400° C. or more, and is preferably produced using a west mixing method, such as an aqueous method.
    Type: Application
    Filed: March 10, 2016
    Publication date: June 21, 2018
    Inventors: Xuan YE, Matthew W. HOLTCAMP, Lubin LUO, Laughlin G. McCULLOUGH, Gregory S. DAY, Francis C. RIX, Jo Ann M. CANICH, David F. SANDERS, Matthew S. BEDOYA
  • Patent number: 10000593
    Abstract: A catalyst system including the reaction product of a fluorided support, an activator, and at least a first transition metal catalyst compound; methods of making such catalyst systems, polymerization processes using such catalyst systems, and polymers made therefrom.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 19, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Xuan Ye, Crisita Carmen H. Atienza, Matthew W. Holtcamp, David F. Sanders, Gregory S. Day, Michelle E. Titone, David A. Cano, Matthew S. Bedoya
  • Publication number: 20180162973
    Abstract: This invention relates to a process to polymerize olefins, particularly to produce ethylene polymers with internal unsaturation structures.
    Type: Application
    Filed: February 12, 2018
    Publication date: June 14, 2018
    Inventors: Matthew W. Holtcamp, Matthew S. Bedoya, Xuan Ye, David F. Sanders, Gregory S. Day, Sarah J. Mattler
  • Patent number: 9994657
    Abstract: This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) a bisphenolate compound; and ii) obtaining olefin polymer having high molecular weight and layered silicate dispersed therein. Preferably the support is in the form of spheroidal particles.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 12, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, Matthew W. Holtcamp, Xuan Ye, Gregory S. Day, David A. Cano, Michelle E. Titone, Machteld M. W. Mertens, Gerardo J. Majano Sanchez
  • Patent number: 9994658
    Abstract: This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) a bisphenolate compound; and ii) obtaining olefin polymer having high molecular weight and layered silicate dispersed therein. Preferably the support is in the form of spheroidal particles.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 12, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, Matthew W. Holtcamp, Xuan Ye, Gregory S. Day, David A. Cano, Machteld M. W. Mertens, Gerardo J. Majano Sanchez, Rohan A. Hule
  • Patent number: 9988410
    Abstract: This invention relates to novel bridged bis indenyl metallocene catalyst compounds where the bridge is —((R15*)2Si—Si(R15)2)— wherein, each R15 and R15* is identical or different and is a substituted or unsubstituted, branched or unbranched C1-C20 alkyl group, preferably each R15 together do not form a ring, and/or each R15* together do not form a ring, and/or R15 and R15* together do not form a ring. This invention also relates to polymerization processes to produce polymer and to polymer compositions produced by the methods described.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: June 5, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jian Yang, Matthew W. Holtcamp, Gregory S. Day, Xiongdong Lian, Xuan Ye
  • Patent number: 9982067
    Abstract: This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) a pyridyldiamido compound; and ii) obtaining olefin polymer having high molecular weight and layered silicate dispersed therein. Preferably the support is in the form of spheroidal particles.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: May 29, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, John R. Hagadorn, Gregory S. Day, Machteld M. W. Mertens, Gerardo J. Majano Sanchez, Rohan A. Hule
  • Patent number: 9982076
    Abstract: A catalyst system including the reaction product of a fluorided support, an activator, and at least a first transition metal catalyst compound; methods of making such catalyst systems, polymerization processes using such catalyst systems, and polymers made therefrom.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: May 29, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Xuan Ye, Crisita Carmen H. Atienza, Matthew W. Holtcamp, David F. Sanders, Gregory S. Day, Michelle E. Titone, David A. Cano, Matthew S. Bedoya
  • Publication number: 20180118860
    Abstract: This invention relates to a supported catalyst system and process for use thereof. In particular, the catalyst system includes a pyridyldiamido transition metal complex, a metallocene compound, a support material and, optionally, an activator. The catalyst system may be used for preparing multi-modal polyolefins.
    Type: Application
    Filed: March 10, 2016
    Publication date: May 3, 2018
    Inventors: Xuan YE, John R. HAGADORN, Matthew W. HOLTCAMP, Gregory S. DAY, David F. SANDERS, Carlos R. LOPEZ-BARRON