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:
Jul. 24, 2012
Filed:
Mar. 27, 2008
Applicants:
Robert W. Nelson, League City, TX (US);
Christopher A. Curtis, Houston, TX (US);
Stephen E. Belmont, Baton Rouge, LA (US);
Inventors:
Robert W. Nelson, League City, TX (US);
Christopher A. Curtis, Houston, TX (US);
Stephen E. Belmont, Baton Rouge, LA (US);
Assignee:
Albemarle Corporation, Baton Rouge, LA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/72 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods are provided for producing alkylbenzenes, such as propylbenzene, from aromatics, such as toluene, and alkenes, such as ethylene. Such methods comprise combining the toluene with about 100 ppm to about 350 ppm water and alkali metal catalyst, activating the catalyst at about 180° C. to about 220° C., adding the ethylene and conducting the synthesis reaction at about 130° C. to about 150° C.