Patents Represented by Attorney Bernard Lay

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  • Structurally enhanced cracking catalysts
    Patent number: 8278235
    Abstract: A cracking catalyst contains a substantially inert core and an active shell, the active shell containing a zeolite catalyst and a matrix. The catalyst is formed by spray-drying a slurry containing water, substantially inert microspheres and a zeolite precursor and crystallizing zeolite in the active shell to create the cracking catalyst. Methods of using the cracking catalyst are also described.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: October 2, 2012
    Assignee: BASF Corporation
    Inventors: David Matheson Stockwell, John M. Macaoay