Patents by Inventor Bijaya K. Mishra

Bijaya K. Mishra 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 bleaching a hard surface using tungsten activated peroxide
    Patent number: 5904734
    Abstract: Disclosed herein are bleaching systems that contain a peroxide and an activator. The activator is a tungsten containing compound, preferably sodium tungstate or tungstosilicic acid. When such bleaching systems are applied in an aqueous alkaline environment they can bleach mold, fungus, and the like.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: May 18, 1999
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: Stig E. Friberg, Bijaya K. Mishra