Patents by Inventor Kroon Gijsbert

Kroon Gijsbert 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).

  • Use of aqueous protective coating compositions for industrial coatings and aqueous coating compositions
    Patent number: 5922119
    Abstract: The invention is directed to the use of an aqueous protective coating composition containing a binder system and an associative thickener for industrial coatings. The associative thickener is not a polyurethane thickener and is selected so that its concentration required by the specific application method is below the critical concentration C*, defined as the thickener concentration at which the coils of the thickener polymer start to overlap of entangle calculated according to the Mark Houwink equation.
    Type: Grant
    Filed: March 27, 1998
    Date of Patent: July 13, 1999
    Assignee: Hercules Incorporated
    Inventor: Kroon Gijsbert