Patents by Inventor Frederik Kapteijn

Frederik Kapteijn 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).

  • Patent number: 8382988
    Abstract: The invention is directed to a process for the production of ultra pure water, comprising feeding water containing ions and optionally other impurities to one side of a membrane based on hydroxy sodalite (H-SOD), and recovering ultra pure water from the other side of the membrane.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: February 26, 2013
    Assignee: Techische Universiteit Delft
    Inventors: Sheida Khajavi, Frederik Kapteijn, Jacobus Cornelis Jansen
  • Publication number: 20110290729
    Abstract: The invention is directed to a process for the production of ultra pure water, comprising feeding water containing ions and optionally other impurities to one side of a membrane based on hydroxy sodalite (H-SOD), and recovering ultra pure water from the other side of the membrane.
    Type: Application
    Filed: November 30, 2009
    Publication date: December 1, 2011
    Inventors: Sheida Khajavi, Frederik Kapteijn, Jacobus Carnelis Jansen
  • Patent number: 7214719
    Abstract: The invention is directed to process for performing a chemical reaction in a reaction mixture, which reaction produces water as by-product, wherein the reaction mixture is in contact with a hydroxy sodalite membrane, through which water produced during the reaction is removed from the reaction mixture, to a process for removing water form mixtures thereof.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: May 8, 2007
    Assignee: Technische Universiteit Delft
    Inventors: Jacobus Cornelis Jansen, Frederik Kapteijn, Sander Adriaan Strous
  • Publication number: 20050184009
    Abstract: The invention is directed to process for performing a chemical reaction in a reaction mixture, which reaction produces water as by-product, wherein the reaction mixture is in contact with a hydroxy sodalite membrane, through which water produced during the reaction is removed from the reaction mixture, to a process for removing water form mixtures thereof.
    Type: Application
    Filed: October 15, 2004
    Publication date: August 25, 2005
    Applicant: Technische Universiteit Delft
    Inventors: Jacobus Jansen, Frederik Kapteijn, Sander Strous