Patents by Inventor King-Han Tan

King-Han Tan 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).

  • Compatible polystyrene blends
    Patent number: 4361675
    Abstract: A blend of polystyrene, a block copolymer of styrene and certain conjugated diolefins, and a graft copolymer of styrene, acrylonitrile, and butadiene. Methyl methacrylate may be substituted for all or a portion of the acrylonitrile. The blend retains the good qualities of the individual polymers and is characterized by a stable compatibility.
    Type: Grant
    Filed: March 2, 1981
    Date of Patent: November 30, 1982
    Assignee: Borg-Warner Corporation
    Inventors: King-Han Tan, Jan L. de Greef
  • Compatible polyurethane blends
    Patent number: 4251642
    Abstract: A blend of certain polyurethanes with a block copolymer of styrene and certain conjugated diolefins and a graft copolymer of styrene, acrylonitrile and butadiene. Methyl methacrylate may be substituted for all or a portion of the acrylonitrile. The blend retains the good properties of the individual polymers and is otherwise characterized by a stable compatibility.
    Type: Grant
    Filed: August 15, 1979
    Date of Patent: February 17, 1981
    Assignee: Borg-Warner Corporation
    Inventors: King-Han Tan, Jan L. de Greef