Patents by Inventor Bibiana S. Y. Chen

Bibiana S. Y. Chen 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).

  • Functionalized elastomers blended with polar copolymers of styrene and acrylic acid methacrylic acid or maleic anhydride
    Patent number: 4886856
    Abstract: Novel graft copolymer elastomers comprising a rubbery substrate polymer and a graft copolymer of a monomer capable of grafting to the rubbery substrate and a copolymerizable comonomer having pendant reactive groups capable of functionally reacting with reactive polar functionality of a copolymer of a monovinylidene aromatic monomer and a copolymerizable polar comonomer are disclosed.
    Type: Grant
    Filed: November 27, 1987
    Date of Patent: December 12, 1989
    Assignee: The Dow Chemical Company
    Inventors: Bibiana S. Y. Chen, David E. Henton