Patents by Inventor Govindarajan Veerappan

Govindarajan Veerappan 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).

  • Cementitious material
    Publication number: 20030159624
    Abstract: A hydratable cementitious composition which includes a blend of; (i) cement and/or; (ii) ground granulated blast furnace slag; and (iii) wastepaper sludge ash which is produced by heating wastepaper sludge to a combustion temperature in the range 850° C. to 1200° C. for a dwell time in the range 1 to 60 seconds.
    Type: Application
    Filed: April 28, 2003
    Publication date: August 28, 2003
    Inventors: John Mungai Kinuthia, Martin O'Farrell, Bahir Sabir, Govindarajan Veerappan, Stanley Wild