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US 2002/0160192 A1Published application
Attrition resistant inorganic microspheroidal particles
AssigneeThe Standard Oil Company
InventorsGeorge F. Salem, Robert J. Zagata
Life of this patent
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Abstract
Microspheroidal particles, suitable as fluidized bed catalyst supports, are prepared by incorporating a portion of small, preferably recycled, particles into a slurry of inorganic oxide sol and inorganic particles which is spray dried to form microspheroidal particles.
Claims20
A method of making attrition resistant microspheroidal particles comprising spray drying a slurry comprising an inorganic sol, an inorganic non-sol, and an attrition modifier to form spray dried particles.
Dependencies are inferred from the claim text.