Patents by Inventor Birgit Perdun

Birgit Perdun 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: 6624229
    Abstract: The present invention relates to a powder coating material which contains preferably from 0.05 to 5% by weight, preferably from 0.5 to 2% by weight, of at least one polyethylene wax distributed homogeneously within the powder coating material.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: September 23, 2003
    Assignee: BASF Coatings AG
    Inventors: Helmut Riestenpatt, Rolf Boysen, Birgit Perdun