The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 31, 2005
Filed:
Dec. 11, 2001
Cong-yan Chen, Kensington, CA (US);
Stacey I. Zones, San Francisco, CA (US);
Andrew Rainis, Walnut Creek, CA (US);
Dennis J. O'rear, Petaluma, CA (US);
Cong-Yan Chen, Kensington, CA (US);
Stacey I. Zones, San Francisco, CA (US);
Andrew Rainis, Walnut Creek, CA (US);
Dennis J. O'Rear, Petaluma, CA (US);
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
Abstract
A catalytic hydrodealkylation/reforming process which comprises contacting a heavy hydrocarbon feedstream under catalytic hydrodealkylation/reforming conditions with a composition comprising borosilicate molecular sieves having a pore size greater than about 5.0 Angstroms and a Constraint Index smaller than about 1.0; further containing a hydrogenation/dehydrogenation component; wherein at least a portion of the heavy hydrocarbon feedstream is converted to a product comprising benzene, toluene, xylenes and ethylbenzene.