Patents by Inventor Brandi Mitchell

Brandi Mitchell 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).

  • Non-phthalate catalyst system and its use in the polymerization of olefins
    Patent number: 11117982
    Abstract: This invention relates to a non-phthalate catalyst system for olefin polymerization. The non-phthalate catalyst system comprises (a) a solid Ziegler-Natta catalyst composition comprising a transition metal, a Group 2 metal, and one or more halogens; and one or more internal electron donor compounds; and (b) one or more external electron donor compounds.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: September 14, 2021
    Assignee: BRASKEM AMERICA, INC.
    Inventors: Brandi Mitchell, Craig Meverden
  • Non-phthalate catalyst system and its use in the polymerization of olefins
    Patent number: 11041028
    Abstract: This invention relates to a non-phthalate catalyst system for olefin polymerization. The non-phthalate catalyst system comprises (a) a solid Ziegler-Natta catalyst composition comprising a transition metal, a Group 2 metal, and one or more halogens; and one or more internal electron donor compounds; and (b) one or more external electron donor compounds.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: June 22, 2021
    Assignee: BRASKEM AMERICA, INC.
    Inventors: Brandi Mitchell, Craig Meverden
  • NON-PHTHALATE CATALYST SYSTEM AND ITS USE IN THE POLYMERIZATION OF OLEFINS
    Publication number: 20200199262
    Abstract: This invention relates to a non-phthalate catalyst system for olefin polymerization. The non-phthalate catalyst system comprises (a) a solid Ziegler-Natta catalyst composition comprising a transition metal, a Group 2 metal, and one or more halogens; and one or more internal electron donor compounds; and (b) one or more external electron donor compounds.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 25, 2020
    Inventors: Brandi Mitchell, Craig Meverden
  • Non-phthalate catalyst system and its use in the polymerization of olefins
    Patent number: 10633463
    Abstract: This invention relates to a non-phthalate catalyst system for olefin polymerization. The non-phthalate catalyst system comprises (a) a solid Ziegler-Natta catalyst composition comprising a transition metal, a Group 2 metal, and one or more halogens; and one or more internal electron donor compounds; and (b) one or more external electron donor compounds.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: April 28, 2020
    Assignee: BRASKEM AMERICA, INC.
    Inventors: Brandi Mitchell, Craig Meverden
  • Non-phthalate catalyst system and its use in the polymerization of olefins
    Patent number: 10633464
    Abstract: This invention relates to a non-phthalate catalyst system for olefin polymerization. The non-phthalate catalyst system comprises (a) a solid Ziegler-Natta catalyst composition comprising a transition metal, a Group 2 metal, and one or more halogens; and one or more internal electron donor compounds; and (b) one or more external electron donor compounds.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: April 28, 2020
    Assignee: BRASKEM AMERICA, INC.
    Inventors: Brandi Mitchell, Craig Meverden
  • NON-PHTHALATE CATALYST SYSTEM AND ITS USE IN THE POLYMERIZATION OF OLEFINS
    Publication number: 20190016832
    Abstract: This invention relates to a non-phthalate catalyst system for olefin polymerization. The non-phthalate catalyst system comprises (a) a solid Ziegler-Natta catalyst composition comprising a transition metal, a Group 2 metal, and one or more halogens; and one or more internal electron donor compounds; and (b) one or more external electron donor compounds.
    Type: Application
    Filed: December 29, 2016
    Publication date: January 17, 2019
    Applicant: BRASKEM AMERICA, INC.
    Inventors: Brandi Mitchell, Craig Meverden
  • NON-PHTHALATE CATALYST SYSTEM AND ITS USE IN THE POLYMERIZATION OF OLEFINS
    Publication number: 20190010264
    Abstract: This invention relates to a non-phthalate catalyst system for olefin polymerization. The non-phthalate catalyst system comprises (a) a solid Ziegler-Natta catalyst composition comprising a transition metal, a Group 2 metal, and one or more halogens; and one or more internal electron donor compounds; and (b) one or more external electron donor compounds.
    Type: Application
    Filed: December 29, 2016
    Publication date: January 10, 2019
    Inventors: Brandi Mitchell, Craig Meverden
  • NON-PHTHALATE CATALYST SYSTEM AND ITS USE IN THE POLYMERIZATION OF OLEFINS
    Publication number: 20190010258
    Abstract: This invention relates to a non-phthalate catalyst system for olefin polymerization. The non-phthalate catalyst system comprises (a) a solid Ziegler-Natta catalyst composition comprising a transition metal, a Group 2 metal, and one or more halogens; and one or more internal electron donor compounds; and (b) one or more external electron donor compounds.
    Type: Application
    Filed: December 29, 2016
    Publication date: January 10, 2019
    Inventors: Brandi Mitchell, Craig Meverden