Patents by Inventor Robert Wei?

Robert Wei? 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: 7820757
    Abstract: Disclosed is a method for producing a polyamide containing titanium dioxide pigments.
    Type: Grant
    Filed: October 18, 2003
    Date of Patent: October 26, 2010
    Assignee: BASF SE
    Inventors: Christoph Plachetta, Manfred Heckmann, Hans-Harald Hünger, Robert Weiβ
  • Patent number: 7666976
    Abstract: Polyamide, whose main chain contains a chemically bound amine selected from the group consisting of 2-methyl-1,5-diaminopentane and 1-amino-2-R-cyclopent-1-ene, where R is a functional group capable of combining with an amino group to form an amide group, and processes for preparing such a polyamide and fibers, films and moldings comprising such a polyamide.
    Type: Grant
    Filed: May 6, 2004
    Date of Patent: February 23, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Winterling, Jürgen Demeter, Jürgen Deininger, Gad Kory, Oliver Sötje, Axel Wilms, Robert Weiβ, Kurt Krempel, Christoph Benisch