Patents by Inventor Christiaan Johannes Henricus Koevoets

Christiaan Johannes Henricus Koevoets 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).

  • Poly(phenylene ether) articles and compositions
    Patent number: 8975329
    Abstract: A composition useful for the injection molding of fluid engineering parts includes specific amounts of a high molecular weight poly(phenylene ether), a polystyrene, and glass fibers. The composition provides improved hydrostability and reduces or eliminates the butadiene monomer that is present in comparative compositions containing rubber-modified polystyrene. Fluid engineering articles prepared from the composition are described.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: March 10, 2015
    Assignee: SABIC Global Technologies B.V.
    Inventors: Christiaan Johannes Henricus Koevoets, Marcellus Antonius Adrianus Verhagen, Erik Stam