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:
Nov. 13, 2007
Filed:
Nov. 24, 2003
Applicants:
Jan Karel Frederik Buijink, Amsterdam, NL;
Frank Joan Janssen, Zwaag, NL;
Inventors:
Jan Karel Frederik Buijink, Amsterdam, NL;
Frank Joan Janssen, Zwaag, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 301/12 (2006.01); C07D 301/19 (2006.01); B01J 21/06 (2006.01); B01J 21/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the preparation of an epoxidation catalyst which process involves (a) drying a silica gel carrier having a weight average particle size of from 0.1 mm to 2 mm at a temperature of from more than 200° C. to 300° C., and (b) contacting the carrier obtained in step (a) with a gas stream containing titanium halide to obtain an impregnated carrier, and the use of such catalyst in the preparation of alkylene oxide.