Attrition resistant inorganic microspheroidal particles

Details Attrition resistant inorganic microspheroidal particles Attrition resistant inorganic microspheroidal particles

2005-07-12

2005-07-12

Acquah, Samuel A. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S093000, C526S099000, C526S101000, C526S125800, C502S306000, C502S317000, C502S405000, C502S407000, C502S411000, C502S414000, C502S421000, C502S431000, C428S402000

Reexamination Certificate

active

06916891

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.

REFERENCES:
patent: 3816342 (1974-06-01), Plank et al.
patent: 5591688 (1997-01-01), Blum et al.
patent: 5998329 (1999-12-01), Derolf et al.
patent: 6107238 (2000-08-01), Contractor et al.
patent: 49/040288 (1974-04-01), None

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