Patents by Inventor Robert J. Billmers

Robert J. Billmers 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).

  • Starch ester based hot melt adhesive
    Patent number: 5360845
    Abstract: Hot melt adhesive compositions comprising selected modified starch esters as the main or base adhesive material wherein the starch ester has an ester component of about 2 to 18 carbon atoms and a DS of from about 0.3 to 3.0 and a sufficient amount of a non-volatile, polar organic diluent to allow the composition to melt and have a viscosity of less than 50,000 cP at an application temperature of 400.degree. F. or less.
    Type: Grant
    Filed: August 13, 1993
    Date of Patent: November 1, 1994
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Robert J. Billmers, Charles W. Paul, Stephen F. Hatfield, Thomas F. Kauffman