Patents by Inventor Edwin Verwey

Edwin Verwey 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: 6221429
    Abstract: Pigmented powder coating products based on low melting point fluorine-based terpolymers, preferably on those made from a majority of vinylidene fluoride copolymerized with tetrafluoroethylene and hexafluoropropene, are capable of providing coatings with controllable gloss properties. The process for preparing coatings from the powders is essentially characterized by the selection of the temperature at which the desired gloss can be obtained, from low to high, without degradation of the mechanical properties.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: April 24, 2001
    Assignee: Fina Research, S.A.
    Inventors: Edwin Verwey, Ludwig Karl Rijkse, Michel Gillard
  • 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