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. 01, 2013
Filed:
Apr. 14, 2010
Applicants:
Albert C. Liu, Charleston, WV (US);
Hwaili Soo, Charleston, WV (US);
Inventors:
Albert C. Liu, Charleston, WV (US);
Hwaili Soo, Charleston, WV (US);
Assignee:
Dow Technology Investments, LLC, Midland, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides rhenium-promoted epoxidation catalysts based upon shaped porous bodies comprising a minimized percentage of their total pore volume being present in pores having diameters of less than one micron, and a surface area of at least about 1.0 m/g. Processes of making the catalysts and using them in epoxidation processes are also provided.