Patents Assigned to Engelhard
  • Publication number: 20040141897
    Abstract: A composition for controlling NOx emissions during FCC processes comprises (i) an acidic oxide support, (ii) cerium oxide, (iii) a lanthanide oxide other than ceria such as praseodymium oxide, and (iv), optionally, an oxide of a metal from Groups Ib and IIb such as copper, silver and zinc.
    Type: Application
    Filed: January 13, 2004
    Publication date: July 22, 2004
    Applicant: Engelhard
    Inventors: C.P. Kelkar, David Stockwell, Samuel Tauster