Patents by Inventor Bi L. Khac

Bi L. Khac 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).

  • Patent number: 4451617
    Abstract: A miscible polyblend comprising an .alpha., .beta.-ethylencially unsaturated dicarboxylic acid or its anhydride copolymerized with at least one monovinyl-substituted aryl hydrocarbon monomer and an imide derivative of maleic anhydride copolymerized with at least one monovinyl-substituted-aryl hydrocarbon monomer is disclosed.
    Type: Grant
    Filed: August 16, 1982
    Date of Patent: May 29, 1984
    Assignee: Atlantic Richfield Company
    Inventor: Bi L. Khac