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:
Jun. 07, 2022
Filed:
Dec. 17, 2018
Applicant:
Exxonmobil Technology and Engineering Company, Annandale, NJ (US);
Inventors:
Daniel J. Eichelsdoerfer, Philadelphia, PA (US);
Richard C. Dougherty, Moorestown, NJ (US);
Charles L. Baker, Jr., Thornton, PA (US);
Rugved P. Pathare, Pittstown, NJ (US);
Bryan E. Hagee, Hamilton, NJ (US);
Assignee:
ExxonMobil Technology and Engineering Company, Annandale, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 101/02 (2006.01); C10G 47/16 (2006.01); C10G 45/64 (2006.01); C10G 45/62 (2006.01); C10G 73/06 (2006.01); C10G 7/06 (2006.01); B01J 35/10 (2006.01); B01J 29/78 (2006.01); C10G 45/08 (2006.01); C10G 47/18 (2006.01); C10G 45/00 (2006.01); C10G 65/12 (2006.01); C10G 47/12 (2006.01); C10N 20/02 (2006.01); C10N 20/00 (2006.01); C10N 30/10 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 101/02 (2013.01); B01J 29/7892 (2013.01); B01J 35/1004 (2013.01); C10G 7/06 (2013.01); C10G 45/00 (2013.01); C10G 45/08 (2013.01); C10G 45/62 (2013.01); C10G 45/64 (2013.01); C10G 47/12 (2013.01); C10G 47/16 (2013.01); C10G 47/18 (2013.01); C10G 65/12 (2013.01); C10G 73/06 (2013.01); C10G 2300/1074 (2013.01); C10G 2400/02 (2013.01); C10G 2400/04 (2013.01); C10G 2400/06 (2013.01); C10G 2400/08 (2013.01); C10G 2400/10 (2013.01); C10M 2203/1025 (2013.01); C10M 2203/1065 (2013.01); C10N 2020/02 (2013.01); C10N 2020/065 (2020.05); C10N 2020/067 (2020.05); C10N 2030/10 (2013.01); C10N 2040/252 (2020.05);
Abstract
Disclosed are Group III base stocks comprising at least 30 wt % naphthenes, a viscosity index from 120 to 145; and a unique ratio of molecules with multi-ring naphthenes to single ring naphthenes (2R+N/1RN). A method for preparing the base stocks is also disclosed. Also disclosed is a lubricating oil having the base stock as a major component, and an additive as a minor component.