Patents by Inventor Earl S. Burke

Earl S. Burke 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).

  • Polyurethane binder composition containing a rubber extender oil and a finely divided solid soybean derivative
    Patent number: 4185146
    Abstract: A composition suitable for use as a binder for shredded, flexible polyurethane foams to make articles such as carpet or rug underlay comprises a polyalkylene ether polyol having from 2-4 hydroxyl groups, a minor amount by weight of a rubber extender oil, a stoichiometric excess of a certain diisocyanate and a minor amount by weight of a finely divided, solid soybean derivative.
    Type: Grant
    Filed: November 15, 1978
    Date of Patent: January 22, 1980
    Assignee: The General Tire & Rubber Company
    Inventor: Earl S. Burke