Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 5, 2006
Patent Application Number
10158107
Date Filed
May 31, 2002
Patent Primary Examiner
Patent abstract
An additive to enhance the activity of an FCC catalyst containing zeolite and matrix components comprises zeolite microspheres having a novel morphology comprising a macroporous matrix and crystallized zeolite freely coating the walls of the pores of the matrix. The additives formed from microspheres containing a metakaolin and kaolin calcined through its exotherm, the latter calcined kaolin being derived from a kaolin having a high pore volume. Kaolin having a high pore volume can be a pulverized ultrafine kaolin or a kaolin which has been pulverized to have an incipient slurry point less than 57% solids.
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