Patents by Inventor Gertrude A. Broekroelofs

Gertrude A. Broekroelofs 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).

  • Aqueous coating composition comprising an addition polymer and a polyurethane
    Patent number: 6552117
    Abstract: The present invention discloses an aqueous coating composition comprising 5 to 95 wt. % of an alkali-swellable core-shell addition polymer (I), and 95 to 5 wt. % of a polyurethane (II). The present invention provides an aqueous coating composition which may be used as base coat in a base coat/clear coat system which has good mechanical properties, a high flop, a high gloss, practically no strike-in, and a good water-resistance. Due to the fact that higher solids contents can be achieved with the aqueous coating composition of the present invention, a reduction in drying times and number of coats is obtained.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: April 22, 2003
    Assignee: Akzo Nobel N.V.
    Inventors: Jan Wilhelm Ernst Moos, Johannes Hubertus Van Diemen, Gertrude A. Broekroelofs
  • Aqueous coating composition comprising an addition polymer and a polyurethane
    Publication number: 20010023273
    Abstract: The present invention discloses an aqueous coating composition comprising 5 to 95 wt. % of an alkali-swellable core-shell addition polymer (I), and 95 to 5 wt. % of a polyurethane (II).
    Type: Application
    Filed: December 21, 2000
    Publication date: September 20, 2001
    Inventors: Jan Wilhelm Ernst Moos, Johannes Hubertus Van Diemen, Gertrude A. Broekroelofs