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. 22, 2013
Filed:
Nov. 18, 2011
William Herman Gerdes, Hudson, OH (US);
John Robert Lockemeyer, Sugar Land, TX (US);
Donald James Remus, Stow, OH (US);
Thomas Szymanski, Hudson, OH (US);
Randall Clayton Yeates, Sugar Land, TX (US);
William Herman Gerdes, Hudson, OH (US);
John Robert Lockemeyer, Sugar Land, TX (US);
Donald James Remus, Stow, OH (US);
Thomas Szymanski, Hudson, OH (US);
Randall Clayton Yeates, Sugar Land, TX (US);
Shell Oil Company, Houston, TX (US);
Abstract
The invention provides a process for the epoxidation of an olefin, which process comprises reacting a feed comprising an olefin and oxygen in the presence of a catalyst comprising a carrier and silver deposited on the carrier, which carrier comprises at least 85 weight percent α-alumina and has a surface area of at least 1.3 m/g, a median pore diameter of more than 0.8 μm, and a pore size distribution wherein at least 80% of the total pore volume is contained in pores with diameters in the range of from 0.1 to 10 μm and at least 80% of the pore volume contained in the pores with diameters in the range of from 0.1 to 10 μm is contained in pores with diameters in the range of from 0.3 to 10 μm.