Patents by Inventor Coenraad Maarten Gehrels

Coenraad Maarten Gehrels 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).

  • Powder paint composition
    Patent number: 7622531
    Abstract: The present invention relates to a powder paint composition comprising at least (a) a thermosetting polymer having functional groups capable of reacting with ?-hydroxyalkylamide units (b) a compound comprising ?-hydroxyalkylamide units and (c) a deceleration agent, capable of reversibly blocking the functional groups of polymer (a). The deceleration agent is present in an amount sufficient to block at least 9% of the total amount of functional groups of polymer (a). The present invention relates also to the use of a specific amine compound as a deceleration agent in a powder paint composition.
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: November 24, 2009
    Assignee: DSM IP Assets B.V.
    Inventors: Antonia Urmanova, Eimbert Gerrit Belder, Jurjen Bolks, Coenraad Maarten Gehrels