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:
Dec. 31, 2024
Filed:
Dec. 23, 2021
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Tokue Sato, Ichihara, JP;
Kenji Goto, Chiba, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10N 20/02 (2006.01); C10N 30/00 (2006.01); C10N 30/06 (2006.01); C10N 30/10 (2006.01); C10N 30/12 (2006.01); C10N 30/18 (2006.01); C10N 40/00 (2006.01);
U.S. Cl.
CPC ...
C10M 169/044 (2013.01); C10M 2203/003 (2013.01); C10M 2207/125 (2013.01); C10M 2207/126 (2013.01); C10M 2207/282 (2013.01); C10M 2207/283 (2013.01); C10M 2207/289 (2013.01); C10M 2215/04 (2013.01); C10M 2215/08 (2013.01); C10M 2215/26 (2013.01); C10M 2223/04 (2013.01); C10M 2223/041 (2013.01); C10M 2229/02 (2013.01); C10N 2020/02 (2013.01); C10N 2030/06 (2013.01); C10N 2030/10 (2013.01); C10N 2030/12 (2013.01); C10N 2030/18 (2013.01); C10N 2030/24 (2020.05); C10N 2040/135 (2020.05);
Abstract
A lubricating oil composition contains a base oil and a rust inhibitor, in which the base oil has a gas chromatogram measured by gas chromatography satisfying the particular condition (α), and the rust inhibitor is at least one selected from a first rust inhibitor, a second rust inhibitor, a third rust inhibitor, and a fourth rust inhibitor, and satisfies the particular condition (β).