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:
Apr. 29, 2025
Filed:
Jul. 02, 2021
Applicant:
Idemitsu Kosan Co.,ltd., Chiyoda-ku, JP;
Inventor:
Kenji Kobayashi, Tokyo, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 101/02 (2005.12); C10M 133/56 (2005.12); C10M 137/10 (2005.12); C10M 169/04 (2005.12); C10N 10/04 (2005.12); C10N 30/06 (2005.12);
U.S. Cl.
CPC ...
C10M 137/105 (2012.12); C10M 101/02 (2012.12); C10M 133/56 (2012.12); C10M 169/04 (2012.12); C10M 2215/086 (2012.12); C10M 2223/045 (2012.12); C10M 2223/047 (2012.12); C10N 2010/04 (2012.12); C10N 2030/06 (2012.12);
Abstract
A lubricating oil composition may be used for lubrication of a shock absorber. The composition may include a base oil (A), a zinc dithiophosphate (B), and an alkenylsuccinic imide (C). The lubricating oil composition can be more preferably applied to lubrication of a shock absorber. Based on the total lubricating oil composition mass, a content of the component (C) in terms of nitrogen atoms is in a range of from 0.001 to 0.09 mass %, and/or a content of the component (B) in terms of zinc atoms is in a range of from 0.005 to 1.0 mass %.