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:
Jul. 05, 2011
Filed:
Apr. 20, 2010
Saleh Elomari, Fairfield, CA (US);
Russell R. Krug, Novato, CA (US);
Saleh Elomari, Fairfield, CA (US);
Russell R. Krug, Novato, CA (US);
Chevron U.S.A. Inc., San Ramon, CA (US);
Abstract
We provide a process to make a lubricant component, comprising: a. oligomerizing a feed comprising one or more olefins in an ionic liquid oligomerization zone, at oligomerization conditions, to form an oligomer; and b. alkylating the oligomer in the presence of an isoparaffin, in an ionic liquid alkylation zone, at alkylation conditions including a molar ratio of one or more olefins and one or more isoparaffins of at least 0.8, to form an alkylated oligomeric product that is a lubricant component having a kinematic viscosity at 100° C. of at least 6.9 mm/s, a VI of at least 134, a cloud point less than or equal to −28° C., and a Bromine Number of less than or equal to 6.1.