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:
Apr. 14, 2009
Filed:
Dec. 06, 2005
Applicants:
Stephen H. Brown, Bernardsville, NJ (US);
Khavinet Lourvanij, Houston, TX (US);
Inventors:
Stephen H. Brown, Bernardsville, NJ (US);
Khavinet Lourvanij, Houston, TX (US);
Assignee:
ExxonMobil Chemical Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 38/06 (2006.01); B01J 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for stripping hydrocarbons from a catalyst, comprising the step of contacting the catalyst with steam at stripping conditions, wherein the catalyst comprises a molecular sieve having a structure type of MWW, the steam comprises at least 90 wt. % vapor phase HO, the stripping conditions comprise a temperature range from about 100° C. to about 250° C., a pressure less than 310 kpa-a, and a WHSV range from about 0.01 to about 100 hr.