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:
Oct. 20, 2015
Filed:
May. 16, 2014
Jx Nippon Oil & Energy Corporation, Tokyo, JP;
JX NIPPON OIL & ENERGY CORPORATION, Tokyo, JP;
Abstract
A lubricating oil composition comprising a lubricating base oil, and a mixture and/or a reaction product of (A) 0.01-0.5% by mass of at least one compound selected from among acid phosphates represented by formula (1) or formula (2), and (B) 0.01-2% by mass of an alkylamine represented by formula (3), based on the total weight of the composition, wherein the acid value due to component (A) is 0.1-1.0 mgKOH/g. [Rand Rrepresent hydrogen or straight-chain alkyl or straight-chain alkenyl groups, with at least one of Rand Rbeing a C6-12 straight-chain alkyl or straight-chain alkenyl group; Rand Rrepresent hydrogen straight-chain alkyl or straight-chain alkenyl groups, with at least one of Rand Rbeing a C13-18 straight-chain alkyl or straight-chain alkenyl group; and Rand Rrepresent hydrogen or C4-30 branched-chain alkyl groups, with at least one of Rand Rbeing a branched-chain alkyl group.]