Patents by Inventor Chandrasbekhar Pandurang Kelkar

Chandrasbekhar Pandurang Kelkar 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).

  • CO oxidation promoters for use in FCC processes
    Patent number: 7045056
    Abstract: A composition for controlling CO and NOx emissions during FCC processes comprises (i) acidic oxide support, (ii) cerium oxide, (iii) lanthanide oxide other than ceria such as praseodymium oxide (iv), optionally, oxide of a metal from Groups Ib and IIb such as copper, silver and zinc and (v) precious metal such as Pt and Pd.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: May 16, 2006
    Assignee: Engelhard Corporation
    Inventors: Chandrasbekhar Pandurang Kelkar, Yuejin Li, Rostam J. Madon, Marius Vaarkamp