Patents by Inventor Deba C. Nayak

Deba C. Nayak 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 removal of selenium and arsenic from aqueous streams
    Patent number: 5603838
    Abstract: A process for removing selenium and/or arsenic from aqueous streams including industrial process waters and drinking water is provided comprising contacting the stream with a composition comprising lanthanum oxide whereby selenium and/or arsenic are adsorbed. Preferred compositions comprise lanthanum oxide and alumina.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: February 18, 1997
    Assignee: Board of Regents of the University and Community College Systems of Nevada
    Inventors: Manoranjan Misra, Deba C. Nayak