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:
Mar. 30, 2010
Filed:
Mar. 21, 2006
Teng Xu, Houston, TX (US);
Stephen N. Vaughn, Kingwood, TX (US);
Kenneth R. Clem, Humble, TX (US);
James H. Beech, Jr., Kingwood, TX (US);
Peter Nicholas Loezos, Houston, TX (US);
Richard B. Hall, Whitehouse Station, NJ (US);
Jesse Frederick Goellner, Pittsburgh, PA (US);
Teng Xu, Houston, TX (US);
Stephen N. Vaughn, Kingwood, TX (US);
Kenneth R. Clem, Humble, TX (US);
James H. Beech, Jr., Kingwood, TX (US);
Peter Nicholas Loezos, Houston, TX (US);
Richard B. Hall, Whitehouse Station, NJ (US);
Jesse Frederick Goellner, Pittsburgh, PA (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
This invention is directed to methods of converting oxygenates to olefin products. The methods provided include steps for protecting against deactivation of active molecular sieve catalysts during the conversion process. In particular, the invention provides for methods of regenerating coked catalyst to minimize catalyst deactivation due to contact with moisture.