Patents by Inventor Leonardus A. Doelen

Leonardus A. Doelen 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).

  • Method for treating wheel rims and composition for use therein
    Patent number: 8663741
    Abstract: There is provided a method of treatment including (i) applying a treatment composition to at least a portion of the surface of a wheel rim and (ii) allowing a thus applied treatment composition to cure. There is also provided compounds and compositions useful in the method.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: March 4, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Bernd Kuehneweg, Leonardus Doelen, Frank Koehler, Christoph Furtak, Frans A. Audenaert
  • COMPOSITION AND METHOD TO PROVIDE STAIN RELEASE AND STAIN REPELLENCY PROPERTIES TO SUBSTRATES
    Publication number: 20110290147
    Abstract: The present invention provides a composition for treatment, the composition comprising a fluorinated compound and a phosphate ester having at least one hydrocarbon residue having at least 6 carbon atoms. There is further provided a method of treatment applying the composition to a substrate.
    Type: Application
    Filed: December 15, 2009
    Publication date: December 1, 2011
    Inventors: Dirk M. Coppens, Leonardus A. Doelen
  • COMPOSITION AND METHOD FOR PROVIDING STAIN RELEASE OR STAIN REPELLENCY TO SUBSTRATES
    Publication number: 20110294932
    Abstract: The present invention provides a composition for treatment, the composition comprising dispersed in water (i) a fluorinated compound, (ii) a potassium or lithium silicate and (iii) an acrylic polymer. The invention further provides a method of treating substrates with the composition.
    Type: Application
    Filed: December 15, 2009
    Publication date: December 1, 2011
    Inventors: Dirk M. Coppens, Leonardus A. Doelen
  • METHOD FOR TREATING WHEEL RIMS AND COMPOSITION FOR USE THEREIN
    Publication number: 20110189404
    Abstract: There is provided a method of treatment including (i) applying a treatment composition to at least a portion of the surface of a wheel rim and (ii) allowing a thus applied treatment composition to cure. There is also provided compounds and compositions useful in the method.
    Type: Application
    Filed: September 23, 2009
    Publication date: August 4, 2011
    Inventors: Rudolf J. Dams, Bernd Kuehneweg, Leonardus Doelen, Frank Koehler, Christoph Furtak, Frans A. Audenaert