Patents by Inventor R. Lee Peyton

R. Lee Peyton 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).

  • Composite material composed of fly ash and waste polyethylene terephthalate
    Patent number: 6583217
    Abstract: A composite material and method are described wherein melted waste, chemically unmodified PET material and fly ash particles are mixed in a vessel to disperse fly ash particles in the melted PET material. The resulting mixture then is cooled to solidify the melted PET material to form a composite material having a matrix comprising PET and dispersoids distributed in the matrix and comprising fly ash particles.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: June 24, 2003
    Assignees: Iowa State University Research, Inc., The Curators of the University of Missouri
    Inventors: Yadong Li, R. Lee Peyton, David J. White