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:
Mar. 15, 2011
Filed:
Apr. 07, 2008
Helge Jaensch, Houston, TX (US);
Jihad M. Dakka, Whitehouse Station, NJ (US);
Francisco M. Benitez, Houston, TX (US);
Ulrich Kortz, Bremen, DE;
Ryan Matthew Richards, Golden, CO (US);
Helge Jaensch, Houston, TX (US);
Jihad M. Dakka, Whitehouse Station, NJ (US);
Francisco M. Benitez, Houston, TX (US);
Ulrich Kortz, Bremen, DE;
Ryan Matthew Richards, Golden, CO (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
In a process for producing hydroperoxides, an alkylaromatic compound of general formula (I): in which Rand Reach independently represents hydrogen or 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, is contacted with oxygen in the presence of a catalyst comprising a polyoxometalate to produce a hydroperoxide of general formula (II): in which R, Rand Rhave the same meaning as in formula (I) and wherein the polyoxometalate comprises a polyoxotungstate substituted with at least one further transition metal.