Patents by Inventor Bernhard Parent

Bernhard Parent 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: 5278223
    Abstract: The invention relates to optionally solventless two-component polyurethane surfacers containing finely divided fillers in a high pigment volume concentration based on a polyfunctional isocyanate component (B) and a polyol component (A) which is liquid at room temperature and which consists of mixture components containing isocyanate-reactive hydroxyl groups with an at least predominant content of branched-chain polyols (A1) containing ester and ether groups, which contains at least a proportion of the finely divided fillers and, optionally, the additives and which, for application, is mixed with the isocyanate component (B) and applied as a mixture which can still be processed by shaping.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: January 11, 1994
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Bernhard Gruenewaelder, Bernhard Parent, Hermann Kluth, Juergen Wegner, Werner Haller