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:
Jan. 24, 2006
Filed:
Aug. 26, 2003
David Cleve Eubanks, Southport, FL (US);
Raymond Lawrence June, Jurong Island, SG;
Timothy Michael Nisbet, Amsterdam, NL;
Joseph Broun Powell, Houston, TX (US);
Marinus Van Zwienen, Amsterdam, NL;
David Cleve Eubanks, Southport, FL (US);
Raymond Lawrence June, Jurong Island, SG;
Timothy Michael Nisbet, Amsterdam, NL;
Joseph Broun Powell, Houston, TX (US);
Marinus Van Zwienen, Amsterdam, NL;
Shell Oil Company, Houston, TX (US);
Abstract
The invention pertains to a method of preparing styrene or substituted styrene involving (1) converting a mixture containing alkylbenzene hydroperoxide or substituted alkylbenzene hydroperoxide to a mixture containing phenyl alkanol or substituted phenyl alkanol and (2) dehydrating the phenyl alkanol or substituted phenyl alkanol, characterized by oxidizing an alkene to an alkylene oxide in step (1) in the presence of a heterogenous catalyst and dehydrating the phenyl alkanol or substituted phenyl alkanol in step (2) in the presence of a homogenous dehydration catalyst to obtain styrene or substituted styrene.