Patents by Inventor Marissa Clapson

Marissa Clapson 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).

  • Off-line filter free Ziegler-Natta catalyst preparation
    Patent number: 11186655
    Abstract: The various embodiments provide, a magnesium titanium polymerization procatalyst, and methods for making and using the same.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: November 30, 2021
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Qinyan Wang, Holly Kalma, Marissa Clapson, Peter Zoricak, Lawrence VanAsseldonk, Stephen Brown
  • OFF-LINE FILTER FREE ZIEGLER-NATTA CATALYST PREPARATION
    Publication number: 20190375862
    Abstract: The various embodiments provide, a magnesium titanium polymerization procatalyst, and methods for making and using the same.
    Type: Application
    Filed: May 30, 2019
    Publication date: December 12, 2019
    Applicant: NOVA Chemicals (International) S.A.
    Inventors: Qinyan Wang, Holly Kalma, Marissa Clapson, Peter Zoricak, Lawrence VanAsseldonk, Stephen Brown