Lubricating oil composition

US6852679B2 · kind B2 · utility

Assignee

• Infineum International Limited · GB

Inventors

• Rolfe J. Hartley · Cranbury, US
• Malcolm Waddoups · Westfield, US
• Ricardo Bloch · Scotch Plains, US
• Roger Glyde · Bampton, GB
• Robert Robson · Woodstock, GB

Key dates

• Filing date: Feb 20, 2002
• Grant date: Feb 8, 2005
• Expiry date: Jan 14, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2040/25
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A lubricating oil composition having less than 0.2 wt. % sulfur, less than 50 ppm chlorine, less than 50 ppm phosphorus, a NOACK volatility of 15 wt. % or less comprising an organo-molybdenum compound, an overbased calcium or magnesium salicylate, a dispersant and a supplemental antioxidant.