Patents Assigned to Iowa State University Research, Inc.
  • 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