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:
Sep. 30, 2008
Filed:
May. 18, 2006
Ian A. Cody, Baton Rouge, LA (US);
William J. Murphy, Baton Rouge, LA (US);
Sylvain Hantzer, Prairieville, LA (US);
David W. Larkin, Baton Rouge, LA (US);
John E. Gallagher, Jr., Fairfax Station, VA (US);
Jeenok T. Kim, Fairfax, VA (US);
Ian A. Cody, Baton Rouge, LA (US);
William J. Murphy, Baton Rouge, LA (US);
Sylvain Hantzer, Prairieville, LA (US);
David W. Larkin, Baton Rouge, LA (US);
John E. Gallagher, Jr., Fairfax Station, VA (US);
Jeenok T. Kim, Fairfax, VA (US);
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Abstract
A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreated feedstock is hydrodewaxed using a dewaxing catalyst that has been selectively activated by oxygenate treatment. The hydrodewaxed product may then be hydrofinished.