Patent · US Active

Lubricating oil composition

US10011802B2 · kind B2 · utility

2Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 16, 2015
Grant dateJul 3, 2018
Priority date
Expiry dateFeb 16, 2035

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/045
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A lubricating oil composition includes: a lubricating base oil; a component (A) that is a metal detergent having a base value of less than 100 mgKOH/g; a component (B) that is a metal detergent having a base value of 100 mgKOH/g or more; a component (C) that is a tertiary amine represented by a formula (1) below, in which R1 is a hydrocarbon group having 4 carbon atoms or more, and R2 and R3 each are a hydrocarbon group having 4 carbon atoms or less; and a component (D) that is at least one of acid phosphate and acid phosphite.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.