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. 04, 2008
Filed:
Jul. 13, 2007
Jihad Mohammed Dakka, Whitehouse Station, NJ (US);
Doron Levin, Highland Park, NJ (US);
John Scott Buchanan, Lambertville, NJ (US);
Jon Edmond Randolph Stanat, Baton Rouge, LA (US);
Jihad Mohammed Dakka, Whitehouse Station, NJ (US);
Doron Levin, Highland Park, NJ (US);
John Scott Buchanan, Lambertville, NJ (US);
Jon Edmond Randolph Stanat, Baton Rouge, LA (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
In a process for oxidizing alkylaromatic compounds to the corresponding hydroperoxide, an alkylaromatic compound of general formula (I): in which Rand Reach independently represents an alkyl group having from 1 to 4 carbon atoms, provided that Rand Rmay be joined to form a cyclic group having from 4 to 10 carbon atoms, said cyclic group being optionally substituted, and Rrepresents hydrogen, one or more alkyl groups having from 1 to 4 carbon atoms or a cyclohexyl group, with oxygen in the presence of an added catalyst comprising tert-butyl hydroperoxide and in the absence of any other catalyst, to produce a hydroperoxide of general formula (II): in which R, Rand Rhave the same meaning as in formula (I). The hydroperoxide may then be converted into a phenol and a ketone of the general formula RCOCHR(III), in which Rand Rhave the same meaning as in formula (I).