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. 26, 2022
Filed:
Sep. 24, 2019
Applicants:
SK Innovation Co., Ltd., Seoul, KR;
SK Lubricants Co., Ltd., Seoul, KR;
Inventors:
Seung Eon Lee, Daejeon, KR;
Hak Mook Kim, Daejeon, KR;
Jin Hee Ok, Daejeon, KR;
Kyung Seok Noh, Daejeon, KR;
Jun Soo Park, Daejeon, KR;
Yong Rae Cho, Daejeon, KR;
Assignee:
SK INNOVATION CO., LTD., Seoul, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 101/02 (2006.01); C10N 30/00 (2006.01); C10N 20/00 (2006.01); C10N 20/02 (2006.01); C10N 30/02 (2006.01); C10N 40/08 (2006.01); C10N 40/16 (2006.01);
U.S. Cl.
CPC ...
C10M 101/02 (2013.01); C10M 2203/1006 (2013.01); C10M 2203/1025 (2013.01); C10M 2203/1045 (2013.01); C10M 2203/1065 (2013.01); C10N 2020/015 (2020.05); C10N 2020/02 (2013.01); C10N 2030/02 (2013.01); C10N 2030/74 (2020.05); C10N 2040/08 (2013.01); C10N 2040/16 (2013.01);
Abstract
Proposed is a mineral lubricating base oil having improved low-temperature performance, in which the lubricating base oil has kinematic viscosity of 9.0 cSt or less (at 40° C.), kinematic viscosity of 2.5 cSt or less (at 100° C.), and a pour point of −50° C. or less.