Patents by Inventor Rachel E. Brooner

Rachel E. Brooner 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).

  • Polymerization catalysts
    Patent number: 10982024
    Abstract: Embodiments of the present disclosure directed towards polymerization catalysts having improved ethylene enchainment and/or improved catalyst productivity. As an example, the present disclosure provides a polymerization catalyst of Formula (I), wherein each of R1 to R12 is independently a C1 to C20 alkyl, aryl or aralkyl group, or a hydrogen, wherein at least one of R4 to R7 is not a hydrogen, wherein M is a Group 4 metal, and wherein, each X is independently a halide, C1 to C20 alkyl, aralkyl or hydrogen.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: April 20, 2021
    Assignee: Univation Technologies, LLC
    Inventors: Roger L. Kuhlman, Mahsa McDougal, Rachel E. Brooner, Matthew M. Yonkey
  • POLYMERIZATION CATALYSTS
    Publication number: 20190263944
    Abstract: Embodiments of the present disclosure directed towards polymerization catalysts having improved ethylene enchainment and/or improved catalyst productivity.
    Type: Application
    Filed: September 26, 2017
    Publication date: August 29, 2019
    Applicant: Univation Technologies, LLC
    Inventors: Roger L. Kuhlman, Mahsa McDougal, Rachel E. Brooner, Matthew M. Yonkey