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:
Apr. 17, 1979
Filed:
Nov. 08, 1977
Applicant:
Inventors:
Allen I Feinstein, Wheaton, IL (US);
Un K Im, Naperville, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ; 2606 / ;
Abstract
Fractionated pyrolysis gasoline containing toluene, xylenes, ethylbenzenes, C.sub.7 -C.sub.9 paraffins, olefins and naphthenes are selectively hydrodealkylated and transalkylated to give ethylbenzene-lean xylenes and benzene in the presence of a catalyst comprising a tungsten/molybdenum component of WO.sub.3 and MoO.sub.3 and an acidic component of 60 (wt)% of mordenite and 40 (wt)% of catalytically active alumina.