Patents by Inventor Ludwig K. Rijkse

Ludwig K. Rijkse 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).

  • Fluorinated powder coatings for galvanized steel
    Patent number: 5599873
    Abstract: Vinylidene fluoride copolymers having a melting temperature below about 160.degree. C. are used to prepare pigmented powder coatings for galvanized steel. The coatings are corrosion-resistant and generally show a high gloss.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: February 4, 1997
    Assignee: Fina Research, S.A.
    Inventors: Edwin Verwey, Ludwig K. Rijkse, Michel Gillard