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:
Oct. 30, 2007
Filed:
Dec. 01, 2004
Applicants:
Minne Boelens, Amsterdam, NL;
Andrew David Horton, Amsterdam, NL;
Timothy Michael Nisbet, Amsterdam, NL;
Aart Bartus Van Oort, Amsterdam, NL;
Inventors:
Minne Boelens, Amsterdam, NL;
Andrew David Horton, Amsterdam, NL;
Timothy Michael Nisbet, Amsterdam, NL;
Aart Bartus Van Oort, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 1/207 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing styrene by contacting a gaseous feed which contains 1-phenylethanol and at least 0.1% wt of phenol and/or ethylphenol with a heterogeneous dehydration catalyst in the presence of at least 0.40% wt of benzylalcohol and at a molar ratio of benzylalcohol to total amount of phenol and ethylphenol of at least 0.8.