Patents by Inventor George J. Matousek

George J. Matousek 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).

  • Patent number: 6620348
    Abstract: Fire retardant compositions comprise at least one ammonium polyphosphate, at least one suspending agent, and at least one metal ferrite. In specific embodiments, the compositions of the invention comprise zinc ferrite or magnesium ferrite.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: September 16, 2003
    Assignee: Astaris, LLC
    Inventors: Howard L. Vandersall, Gary H. Kegeler, George J. Matousek