Patents by Inventor Rogier Nicolaas Antonius Van Kempen

Rogier Nicolaas Antonius Van Kempen 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).

  • Process for the Biological Treatment of Ammonium-Rich Aqueous Media
    Publication number: 20080210628
    Abstract: The invention relates to a process for the biological treatment of ammonium-rich aqueous media in the presence of ammonia oxidizing bacteria, by supplying nitrogen dioxide (NO2) into said aqueous media, thus effecting a nitrification and a denitrification, wherein further nitrogen oxide (NO) is supplied into said media such that the ratio of NO:NO2 is in the range from 1:2 to 1:500 (v/v). Further the use of off-gases in this process is disclosed as well as microorganisms cultured in the presence of NO and NO2.
    Type: Application
    Filed: May 16, 2003
    Publication date: September 4, 2008
    Applicants: Grontmij Advies & Techniek B.V., Stichting Voor DeTechnische Wetenschappen, Stichting Katholieke Universiteit Genoemd Radboud Universiteit Nijmegen
    Inventors: Ingo Schmidt, Michael Silvester Maria Jetten, Rogier Nicolaas Antonius Van Kempen