Patent · US Active

Lubricating oil composition

US9023775B2 · kind B2 · utility

0Cited by

5References

2Claims

0Family size

Assignee

Infineum International Limited · GB

Inventors

Richard D. Bertram · Witney, GB
Peter J. Dowding · Bloomfield Hills, US
Peter D. Watts · Ashford, GB

Key dates

Filing date	Oct 6, 2008
Grant date	May 5, 2015
Priority date	—
Expiry date	Jan 18, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2070/02
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A lubricating oil composition comprising a Group II basestock and a neutral or overbased metal hydrocarbyl-substituted hydroxybenzoate detergent having a basicity index of less than 2.

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