Title:
ATTRITION RESISTANT INORGANIC MICROSPHEROIDAL PARTICLES
Document Type and Number:
WIPO Patent Application WO2002070132
Kind Code:
A3
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.
Inventors:
SALEM GEORGE F
ZAGATA ROBERT J
ZAGATA ROBERT J
Application Number:
PCT/US2002/001892
Publication Date:
November 14, 2002
Filing Date:
January 25, 2002
Export Citation:
Assignee:
STANDARD OIL CO (US)
International Classes:
B01J21/08; B01J32/00; B01J37/00; C07B61/00; C07C67/05; C07C67/055; C07C69/15; B01J23/44; B01J23/52; (IPC1-7): B01J37/00; B01J21/08; C07C67/055
Foreign References:
| US5998329A | 1999-12-07 | |||
| US3816342A | 1974-06-11 | |||
| US5591688A | 1997-01-07 |
Other References:
DATABASE WPI Section Ch Week 197509, Derwent World Patents Index; Class A41, AN 1975-14903W, XP002213043
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