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. 21, 2013
Filed:
Sep. 23, 2009
Shyh-yuan Hwang, Needham, MA (US);
Dana E. Johnson, Hopkinton, MA (US);
Joseph C. Peters, Quincy, MA (US);
Chung-ming Chi, Needham, MA (US);
Kevin J. Fallon, Boston, MA (US);
Francis A. Demers, Holderness, NH (US);
Shyh-Yuan Hwang, Needham, MA (US);
Dana E. Johnson, Hopkinton, MA (US);
Joseph C. Peters, Quincy, MA (US);
Chung-Ming Chi, Needham, MA (US);
Kevin J. Fallon, Boston, MA (US);
Francis A. Demers, Holderness, NH (US);
Badger Licensing LLC, Cambridge, MA (US);
Abstract
A process is described for producing cumene comprising contacting a feed stream comprising benzene and a further feed stream comprising isopropanol or a mixture of isopropanol and propylene in the presence of an alkylation catalyst comprising at least a molecular sieve of the MCM-22, family in an alkylation zone under alkylation conditions of at least partial liquid phase and with a water concentration in the liquid phase of at least 50 ppm to react at least part of said isopropanol and benzene to produce an effluent stream containing cumene.