Patents by Inventor Rey Nayve Fidel

Rey Nayve Fidel 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 direct clarification of groundwater polluted with nitrate
    Patent number: 6926831
    Abstract: In order to provide a safe means for the direct purification of groundwater, which enables the efficient use of carbon source and the concentration of nitrificans, while requiring no addition of heavy metals, a starch-derived biodegradable plastic is used as a single carbon source and immobilizing carrier of denitrificans, and contacted with nitrate-polluted groundwater.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: August 9, 2005
    Assignee: Japan Science and Technology Corporation
    Inventors: Masatoshi Matsumura, Rey Nayve Fidel
  • Method for direct clarification of groundwater polluted with nitrate
    Publication number: 20040084376
    Abstract: In order to provide a safe means for the direct purification of groundwater, which enables the efficient use of carbon source and the concentration of nitrificans, while requiring no addition of heavy metals, a starch-derived biodegradable plastic is used as a single carbon source and immobilizing carrier of denitrificans, and contacted with nitrate-polluted groundwater.
    Type: Application
    Filed: December 6, 2002
    Publication date: May 6, 2004
    Inventors: Masatoshi Matsumura, Rey Nayve Fidel