Patents by Inventor Maa S. Maa

Maa S. Maa 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).

  • Fouling inhibition of thermal treatment of heavy oils
    Patent number: 7704376
    Abstract: The use of water-soluble aromatic polysulfonic acid salts for inhibiting fouling in process equipment used in the thermal treatment of heavy oils.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: April 27, 2010
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Ramesh Varadaraj, Michael Siskin, Leo D. Brown, Maa S. Maa