Patents by Inventor James P. Sheets

James P. Sheets 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).

  • Method for manufacture of elastomeric alloys using recycled rubbers
    Patent number: 6384145
    Abstract: Disclosed is a method of preparing a blended thermoplastic resin composition that includes combining a ground crosslinked rubber with a thermoplastic material and a compatibilizer, and the products formed thereby. The ground crosslinked rubber has an average particle size of about 80 mesh or smaller. The thermoplastic material can be a polyolefinic resin or a polyolefinic elastomer or olefinic vulcanizate elastomer. The ground crosslinked rubber is included in amounts of up to 70% by weight, based on the total weight of the blended thermoplastic composition.
    Type: Grant
    Filed: January 13, 2000
    Date of Patent: May 7, 2002
    Assignee: Cooper Technology Services LLC
    Inventors: Elaine A. Mertzel, Ronald G. Weber, Louis Citarel, James P. Sheets, Annette K. Hollister, Laurel A. Rodak