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:
Sep. 24, 2024
Filed:
Oct. 28, 2020
Applicant:
Nof Corporation, Shibuya-ku, JP;
Inventors:
Kazuhiro Oda, Nishinomiya, JP;
Shunsuke Monjiyama, Nishinomiya, JP;
Assignee:
NOF CORPORATION, Shibuya-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 137/08 (2006.01); C10M 169/04 (2006.01); C10N 20/02 (2006.01); C10N 30/00 (2006.01); C10N 30/06 (2006.01);
U.S. Cl.
CPC ...
C10M 137/08 (2013.01); C10M 169/045 (2013.01); C10M 2223/049 (2013.01); C10N 2020/02 (2013.01); C10N 2030/06 (2013.01); C10N 2030/24 (2020.05);
Abstract
An additive for lubricating oil may include a phosphite ester compound (A) having a specific structure and a phosphite ester compound (B) having a specific structure, wherein the (A):(B) mass ratio of the phosphite ester compound (A) to the phosphite ester compound (B) is in a range of from 99:1 to 80:20. Such an additive may be provided to a lubricating oil, capable of imparting wear resistance and demulsibility with respect to a base oil for lubricating oil, and to impart durability even in the presence of water.