Patent · US Active

Basic ashless additives

US9783756B2 · kind B2 · utility

2Cited by

3References

15Claims

0Family size

Assignee

The Lubrizol Corporation · US

Inventors

Daniel J. Saccomando · Sheffield, GB
Ewan E. Delbridge · Powell, US
Alexandre Roumaneix · Derby, GB

Key dates

Filing date	Oct 28, 2013
Grant date	Oct 10, 2017
Priority date	—
Expiry date	Oct 28, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2070/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted γ-aminoester or γ-aminothioester, wherein the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain, provides exhibits basicity and good seal performance.

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