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:
Jul. 07, 2009
Filed:
Sep. 10, 2004
Applicants:
Jun Yamamoto, Sodegaura, JP;
Masaaki Katao, Ichihara, JP;
Inventors:
Jun Yamamoto, Sodegaura, JP;
Masaaki Katao, Ichihara, JP;
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 301/19 (2006.01); C07C 1/22 (2006.01); C07C 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the production of cumene, which comprises producing cumene from cumyl alcohol and hydrogen with a dehydration catalyst and a hydrogenation catalyst, wherein the dehydration catalyst and hydrogenation catalyst are alternately packed so as to form n layers (n is an integer of 3 or more) or are packed as a mixture thereof in a reactor.