Patents by Inventor Thomas Bernhofer

Thomas Bernhofer 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).

  • Stain-blocking aqueous coating composition
    Patent number: 8709609
    Abstract: A stain blocking water borne coating composition is disclosed, said composition comprising (a) a styrene acrylic resin and, (b) a substituted styrene acrylate copolymer, wherein, by weight, said styrene acrylic resin is provided in excess of said substituted styrene acrylate copolymer. A method is also disclosed whereby this water-borne coating composition is applied to a substrate comprising water extractable staining agents, such as a tannin-containing open grain natural wood.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: April 29, 2014
    Assignee: Akzo Novel Coatings International B.V.
    Inventors: Alice Jungen, Jorg Rudiger Schulz, Thomas Bernhofer
  • STAIN-BLOCKING AQUEOUS COATING COMPOSITION
    Publication number: 20120244368
    Abstract: A stain blocking water borne coating composition is disclosed, said composition comprising (a) a styrene acrylic resin and, (b) a substituted styrene acrylate copolymer, wherein, by weight, said styrene acrylic resin is provided in excess of said substituted styrene acrylate copolymer. A method is also disclosed whereby this water-borne coating composition is applied to a substrate comprising water extractable staining agents, such as a tannin-containing open grain natural wood.
    Type: Application
    Filed: December 14, 2010
    Publication date: September 27, 2012
    Applicant: AKZO NOBEL COATING INTERNATIONAL B.V.
    Inventors: Alice Jungen, Jorg Rudiger Schulz, Thomas Bernhofer