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:
Dec. 26, 2017
Filed:
Jul. 27, 2015
Applicants:
Stuart H. Shih, Gainesville, VA (US);
William J. Novak, Bedminster, NJ (US);
Inventors:
Stuart H. Shih, Gainesville, VA (US);
William J. Novak, Bedminster, NJ (US);
Assignee:
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY, Annandale, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G 45/02 (2006.01); C10G 45/08 (2006.01); C10G 65/04 (2006.01);
U.S. Cl.
CPC ...
C10G 45/02 (2013.01); C10G 45/08 (2013.01); C10G 65/04 (2013.01); C10G 2300/70 (2013.01); C10G 2300/80 (2013.01);
Abstract
A catalytic naphtha hydrodesulfurization process is operated in a process unit having a surge drum with equipped for gas blanketing with a blanketing gas containing controlled levels of CO and CO. If the gas selected for blanketing normally contains more than the acceptable level of these inhibitors, they should be reduced to the levels appropriate for retention of catalyst functionality.