Patents by Inventor Dianne Trang Pham

Dianne Trang Pham 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).

  • Catalyst system for polyol premixes containing hydrohaloolefin blowing agents
    Patent number: 11542358
    Abstract: A catalyst system useful in the production of polyurethane and/or polyisocyanurate foams using hydrohaloolefin blowing agents.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: January 3, 2023
    Assignee: Huntsman Petrochemical LLC
    Inventors: Cheng-Kuang Li, Charles E. Serrano, Dianne Trang Pham, Robert A. Grigsby
  • CATALYST SYSTEM FOR POLYOL PREMIXES CONTAINING HYDROHALOOLEFIN BLOWING AGENTS
    Publication number: 20200247938
    Abstract: A catalyst system useful in the production of polyurethane and/or polyisocyanurate foams using hydrohaloolefin blowing agents.
    Type: Application
    Filed: September 5, 2018
    Publication date: August 6, 2020
    Inventors: Cheng-Kuang Li, Charles E. Serrano, Dianne Trang Pham, Robert A. Grigsby