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:
Jun. 06, 2006
Filed:
Dec. 17, 2004
Applicants:
Kun Qin, Chadds Ford, PA (US);
Roger A. Grey, West Chester, PA (US);
Peter J. Whitman, Glen Mills, PA (US);
Inventors:
Kun Qin, Chadds Ford, PA (US);
Roger A. Grey, West Chester, PA (US);
Peter J. Whitman, Glen Mills, PA (US);
Assignee:
Lyondell Chemical Technology, L.P., Greenville, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 301/19 (2006.01); C07D 301/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Titanium or vanadium zeolites are pretreated by contacting with an amino polyacid compound, such as ethylenediaminetetraacetic acid or a salt thereof, prior to use in olefin epoxidation with hydrogen peroxide.