Patents by Inventor Dan-Chang Kong

Dan-Chang Kong 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).

  • Sealable film
    Patent number: 6451426
    Abstract: A sealable film comprises: (a) an inner layer comprising an olefin polymer; (b) a sealing layer; and (c) a separable layer positioned between the inner layer and the sealing layer, the separable layer comprising (1) ethylene-propylene block copolymer or (2) a blend of polyethylene and another olefin which is incompatible with the polyethylene, specifically either (i) polypropylene homopolymer or (ii) ethylene-propylene block copolymer. Methods of making the sealable film are described.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: September 17, 2002
    Assignee: ExxonMobil Oil Corporation
    Inventors: Dan-Chang Kong, Robert G. Peet, Leland L. Liu, Michael J. Caputo