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:
Nov. 16, 2010
Filed:
Feb. 08, 2007
Jihad M. Dakka, Whitehouse Station, NJ (US);
Jon E. Stanat, Houston, TX (US);
Francisco M. Benitez, Houston, TX (US);
John S. Buchanan, Lambertville, NJ (US);
Jane C. Cheng, Bridgewater, NJ (US);
Jeffrey T. Elks, Geneva, IL (US);
Jihad M. Dakka, Whitehouse Station, NJ (US);
Jon E. Stanat, Houston, TX (US);
Francisco M. Benitez, Houston, TX (US);
John S. Buchanan, Lambertville, NJ (US);
Jane C. Cheng, Bridgewater, NJ (US);
Jeffrey T. Elks, Geneva, IL (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
A process for producing phenol and methyl ethyl ketone comprises contacting benzene and a Calkylating agent under alkylation conditions and in the presence of an alkylation catalyst comprising at least one molecular sieve of the MCM-22 family to produce an alkylation effluent comprising secbutylbenzene; wherein the contacting is conducted in a plurality of reaction zones and the C4 alkylating agent secbutylbenzene fraction is recovered from the alkylation effluent and comprises at least 95 wt % sec-butylbenzene, less than 100 wt ppm of C+ olefins, and less than 0.5 wt % of isobutylbenzene and tert-butylbenzene. The sec-butylbenzene fraction is then oxidized to produce sec-butylbenzene hydroperoxide and the hydroperoxide is cleaved to produce phenol and methyl ethyl ketene.