Patents by Inventor Yoon C. Lee, deceased

Yoon C. Lee, deceased 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).

  • Polyblends comprising N-phenylmaleimide copolymers and SAN copolymers
    Patent number: 4374951
    Abstract: Polyblends of N-phenyl maleimide copolymers and SAN copolymers within certain imide and acrylonitrile content ranges are found to have unique compatibility properties not displayed by related copolymer blends.
    Type: Grant
    Filed: September 11, 1981
    Date of Patent: February 22, 1983
    Assignee: Monsanto Company
    Inventors: Yoon C. Lee, deceased, Gary L. Deets, Quirino A. Trementozzi