Patents by Inventor Wolfgang Schilder

Wolfgang Schilder 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).

  • Sound-insulating boards based on mineral fibers and thermoplastic binders
    Patent number: 4587278
    Abstract: Sound-insulating boards which are based on mineral fibers and thermoplastic binders and may or may not additionally contain fillers, flameproofing agents and water repellants contain, as the binder, from 4 to 20%, based on the weight of the mineral fibers, of polymers having a glass transition temperature of from 30.degree. to 80.degree. C. and consisting of not less than 60% by weight, based on the copolymer, of (meth)acrylates of 1 to 4 carbon atoms and as much as 40% by weight of acrylonitrile and/or styrene.
    Type: Grant
    Filed: April 12, 1984
    Date of Patent: May 6, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernhard Dotzauer, Hans Kast, Gernot Franzmann, Gregor Ley, Wilhelm F. Beckerle, Wolfgang Schilder