Patents by Inventor Ananthasubra Sivakumar

Ananthasubra Sivakumar 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).

  • Fluorescent tracer in a water treatment process
    Patent number: 5413719
    Abstract: A method for optimizing the dosage of a polyelectrolyte treating agent in a water treatment process using a fluorescent material having the opposite electrical charge as a polyelectrolyte treating agent used to treat water in a water treatment process.
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: May 9, 1995
    Assignee: Nalco Chemical Company
    Inventors: Ananthasubra Sivakumar, Jitendra Shah, Narasimha M. Rao, Scott S. Budd