Patents by Inventor An Ngoc-Michael Nguyen

An Ngoc-Michael Nguyen 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).

  • METALLOCENE POLYPROPYLENE PREPARED USING AROMATIC SOLVENT-FREE SUPPORTS
    Publication number: 20230416418
    Abstract: The present disclosure provides aromatic-solvent-free supported catalyst compounds and catalyst systems comprising asymmetric bridged metallocenes containing a ligand having at least one saturated ring, catalyst systems including such compounds, and uses thereof. These supported catalyst compounds and catalyst systems can be used to prepare polymer comprising no aromatic solvent.
    Type: Application
    Filed: November 17, 2021
    Publication date: December 28, 2023
    Applicant: EXXONMOBIL CHEMICAL PATENTS INC.
    Inventors: Nikola S. LAMBIC, Francis C. RIX, Lubin LUO, Charles J. HARLAN, An Ngoc-Michael NGUYEN
  • Polyolefins prepared with binuclear metallocene catalysts
    Patent number: 11802170
    Abstract: A catalyst compound and process for olefin polymerization.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: October 31, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Nikola S. Lambic, An Ngoc-Michael Nguyen
  • Polyolefins Prepared with Binuclear Metallocene Catalysts
    Publication number: 20220372178
    Abstract: A catalyst compound and process for olefin polymerization.
    Type: Application
    Filed: April 25, 2022
    Publication date: November 24, 2022
    Inventors: Nikola S. Lambic, An Ngoc-Michael Nguyen