Patents by Inventor Petrus Robertus Willemsen

Petrus Robertus Willemsen 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).

  • Publication number: 20100016502
    Abstract: The invention provides a coating composition comprising a sol-gel matrix which comprises a binder and nanoparticles of a metal oxide, and nanoparticles and/or microparticles of a layered inorganic filler. In addition, the invention provides a process for preparing said coating composition. Moreover, the invention relates to the use of said-coating in an antifouling paint, fouling-release paint or in a biomedical and hygienic application. Further, the invention provides an antifouling paint or a fouling-release paint and a medical device comprising said coating composition.
    Type: Application
    Filed: July 20, 2007
    Publication date: January 21, 2010
    Applicant: Nederlandse Organisatie voor Toegepast- natuurwetenschappeiijk onderzoek TNO
    Inventors: Cornelis Hermanus Arnoldus Rentrop, Petrus Robertus Willemsen, Irene Antoinette Petra Hovens, Lawrence Fabian Batenburg