Silica-modified catalyst and use for selective production of par

Details Silica-modified catalyst and use for selective production of par Silica-modified catalyst and use for selective production of par

1983-06-09

1984-10-16

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 62, B01J 2928

Patent

active

044775830

ABSTRACT:
The present invention relates to a new method for preparing a composition comprised of a crystalline zeolite having deposited thereon a coating of silica which extensively covers and resides substantially exclusively on the external surface thereof, and to the composition so prepared.

REFERENCES:
patent: 4203869 (1980-05-01), Rollmann
patent: 4376036 (1983-03-01), Garwood et al.
patent: 4390414 (1983-06-01), Cody
patent: 4402867 (1983-09-01), Rodewald

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