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:
Dec. 04, 1979
Filed:
Apr. 24, 1978
Applicant:
Inventors:
Allen I Feinstein, Wheaton, IL (US);
Ralph J Bertolacini, Chesterton, IN (US);
Dae K Kim, Naperville, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585489 ; 208 46 ;
Abstract
Ethyl aromatics contained in the C.sub.9 aromatic fraction from fractionated reformate are selectively converted to xylenes via ethyl scission in the presence of a catalyst comprising a carrier of highly purified gamma alumina containing essentially no silica and of a surface area of at least 100 m.sup.2 /g and a metal selected from the group consisting of a Group VIII metal and a Group VIII metal promoted with zinc.