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:
Aug. 06, 2024
Filed:
Mar. 16, 2021
Applicant:
Kyb Corporation, Tokyo, JP;
Inventor:
Shinji Kato, Tokyo, JP;
Assignee:
KYB CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 129/74 (2006.01); B60G 13/08 (2006.01); C10M 129/76 (2006.01); C10M 169/04 (2006.01); F16F 9/32 (2006.01); C10N 40/08 (2006.01);
U.S. Cl.
CPC ...
C10M 129/74 (2013.01); B60G 13/08 (2013.01); C10M 129/76 (2013.01); C10M 169/04 (2013.01); F16F 9/3278 (2013.01); B60G 2202/24 (2013.01); B60G 2800/162 (2013.01); C10M 2203/003 (2013.01); C10M 2207/283 (2013.01); C10M 2207/289 (2013.01); C10N 2040/08 (2013.01); F16F 2222/04 (2013.01); F16F 2230/04 (2013.01);
Abstract
Provided are a lubricant composition for shock absorbers, a lubricant additive, and a method of adjusting friction characteristics of a lubricant composition for shock absorbers, each capable of satisfying both the operational stability and ride comfort. The lubricant composition for shock absorbers contains a base oil and a friction adjusting agent, the friction adjusting agent contains pentaerythritol esters, and the pentaerythritol esters contain a pentaerythritol tetraester and a pentaerythritol ester other than the pentaerythritol tetraester.