Patents by Inventor John Liggat

John Liggat 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).

  • Fire Retarded Flexible Nanocomposite Polyurethane Foams
    Publication number: 20070227748
    Abstract: The present invention relates generally to flexible polyurethane foam compositions that incorporate partially and/or totally exfoliated, clay based nanocomposite material. The invention also relates to the foams formed from the compositions, the preparation of the foams and uses thereof.
    Type: Application
    Filed: July 1, 2005
    Publication date: October 4, 2007
    Inventors: John Liggat, Richard Pethrick, Ian Rhoney