Patents by Inventor Robert Schweizer

Robert Schweizer 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).

  • Fiber size, sized reinforcements, and articles reinforced with such reinforcements
    Publication number: 20070082199
    Abstract: The present invention relates to fiber-size compositions for coating glass or other reinforcing fiber materials that are used in the manufacturing of composites. The fiber-size composition contains at least about 4% by weight of a polyvinylpyrrolidone film former, at least one lubricant and a coupling agent. The sizing composition gives the fibers desirable properties such as high strength, improved flexibility, fuzz formation resistance, and fiber smoothness and softness.
    Type: Application
    Filed: October 11, 2005
    Publication date: April 12, 2007
    Inventors: Robert Schweizer, Jeffrey Antle, Donald Holman, David Shipp