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:
Jan. 12, 2016
Filed:
Sep. 12, 2012
Richard Wayne Martin, Woolwich Township, NJ (US);
Douglas Edward Deckman, Mullica Hill, NJ (US);
Kevin John Kelly, Mullica Hill, NJ (US);
Craig Janzen Emett, Houston, TX (US);
Mark Paul Hagemeister, Houston, TX (US);
Bruce Allan Harrington, Houston, TX (US);
Chon-yie Lin, Houston, TX (US);
Phillip Thomas Matsunaga, Houston, TX (US);
Charles James Ruff, Houston, TX (US);
Kevin Bruce Stavens, Houston, TX (US);
Richard Wayne Martin, Woolwich Township, NJ (US);
Douglas Edward Deckman, Mullica Hill, NJ (US);
Kevin John Kelly, Mullica Hill, NJ (US);
Craig Janzen Emett, Houston, TX (US);
Mark Paul Hagemeister, Houston, TX (US);
Bruce Allan Harrington, Houston, TX (US);
Chon-Yie Lin, Houston, TX (US);
Phillip Thomas Matsunaga, Houston, TX (US);
Charles James Ruff, Houston, TX (US);
Kevin Bruce Stavens, Houston, TX (US);
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Abstract
This invention is directed to ultra-low viscosity passenger car engine oil compositions with a kinematic viscosity at 100° C. of from 4 to 6 cSt, and comprising in admixture 60 wt % to 90 wt % of a first base oil component, based on the total weight of the composition, the first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt; and 0.1 wt % to 20 wt % of a second base oil component, based on the total weight of the composition, the second base oil component consisting of a Group II, Group III or Group V base stock, or any combination thereof; wherein the composition comprises from 0 wt % to less than 0.25 wt % viscosity index improver, on a solid polymer basis.