Patents by Inventor Kenneth L. Overley

Kenneth L. Overley 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).

  • Polymer blend comprising polypropylene
    Patent number: 5969027
    Abstract: This invention relates to a polymer blend comprising in weight percent:A. from about 55% to about 90% of a polymer composition comprising: (i) 75% to about 100% of a homopolymer or a copolymer of polypropylene; and (ii) from about 0% to about 25% of a vinyl aromatic polymer;B. from about 0.5% to about 9% of at least one block polymer of a vinyl aromatic monomer and an aliphatic conjugated diene, a selectively hydrogenated derivative thereof, or a selectively hydrogenated derivative thereof to which has been grafted an unsaturated carboxylic reagent, wherein the block copolymer contains up to 50% by weight bound vinyl aromatic monomer;C. from about 2% to about 12% of at least one block polymer of a vinyl aromatic monomer and a conjugated diene, a partially hydrogenated derivative thereof, or a selectively hydrogenated derivative thereof to which has been grafted an unsaturated carboxylic reagent, wherein the block polymer contains greater than 60% by weight bound vinyl aromatic monomer;D. from about 0.
    Type: Grant
    Filed: August 1, 1997
    Date of Patent: October 19, 1999
    Assignee: Ferro Corporation
    Inventors: Deenadayalu Chundury, Randall S. McAllister, Kenneth L. Overley, John H. Bowen, III, Anthony S. Scheibelhoffer