Patents by Inventor Klaus Peter Schwung

Klaus Peter Schwung 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, method for the production and use thereof
    Patent number: 7867612
    Abstract: A composite material is described that contains a reinforcing resin and reinforcing fibers, wherein the reinforcing fibers have a coating containing polyphenylene sulfide and the proportion of polyphenylene sulfide relative to the uncoated fibers is 0.001 to <0.01 wt. %. The composite material shows higher apparent interlaminar shear strength and bending strength as compared with similar composite materials having no PPS coating in the above concentration range.
    Type: Grant
    Filed: March 28, 2003
    Date of Patent: January 11, 2011
    Assignee: Toho Tenax Europe GmbH
    Inventors: Klaus Peter Schwung, Bernd Wohlmann