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:
Jan. 07, 2003
Filed:
Jul. 20, 1998
Applicant:
Inventors:
Masaru Ushio, Yokohama, JP;
Eiji Yasui, Yokohama, JP;
Fumio Haga, Yokohama, JP;
Toshiyuki Enomoto, Yokohama, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 5/52 ;
U.S. Cl.
CPC ...
C07C 5/52 ;
Abstract
A method for converting benzene and aromatic hydrocarbon compounds having 9 or more carbon atoms contained in a material oil having a boiling point of 30˜210° C. into toluene and aromatic hydrocarbon compounds having 8 carbon atoms in the presence of hydrogen and the said catalyst. The catalyst can be obtained by carrying at least one metal or metal compound selected from Group VIII and Group VIA of the Periodic Table on a carrier containing zeolites in which maximum diameter among diameters of its micropores is 0.6-1.0 nm and a ratio of SiO /Al O is 50 or more.