Patents by Inventor Bernhard Lettman

Bernhard Lettman 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).

  • UNIVERSAL SPOT BLENDER FOR ONE-COMPONENT AND TWO-COMPONENT CLEARCOATINGS
    Publication number: 20100216945
    Abstract: The invention relates to binder-free spot blender compositions for one- and two-component clearcoat materials comprising at least one isocyanate compound, to processes for producing them, and to their use in automotive refinish.
    Type: Application
    Filed: July 4, 2008
    Publication date: August 26, 2010
    Applicant: BASF COATINGS AG
    Inventors: Egbert Nienhaus, Bernhard Lettman, Klaus-Udo Reize, Josef Rademacher