Patents by Inventor Stephan Berz

Stephan Berz 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: 6605665
    Abstract: A process for the preparation of fiber-reinforced moldings for motor vehicles wherein the molding comprises a) from 1 to 96.86% by weight of at least one polycondensate, b) from 1 to 12% by weight of at least one particulate graft copolymer whose soft phase has a glass transition temperature below 0° C. and whose median particle size is from 50 to 1000 nm, c) from 1 to 12% by weight of at least one copolymer made from the following monomers, c1) from 50 to 90% by weight of at least one vinylaromatic monomer, and c2) from 10 to 50% by weight of acrylonitrile and/or methacrylonitrile, based in each case on component c, d) from 0 to 20% by weight of e) from 0.01 to 15% by weight of a polycarbonate, f) from 0.01 to 2% by weight of a carbon black, g) from 0 to 12% by weight of a polymer other than component B, h) from 0 to 20% by weight of a polyester other than component A, i) from 0.
    Type: Grant
    Filed: July 17, 2001
    Date of Patent: August 12, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Fischer, Manfred Knoll, Christophe Ginss, Stephan Berz
  • Patent number: 6562902
    Abstract: A thermoplastic molding composition comprises, based on the total of components A to C and, if desired, D and E, which in total give 100% by weight, a) as component A, from 10 to 98% by weight of at least one aromatic polyester, b) as component B, from 1 to 50% by weight of at least one particulate graft copolymer whose soft phase has a glass transition temperature below 0° C.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: May 13, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Fischer, Manfred Knoll, Christophe Ginss, Stephan Berz