Title: Lubricating oil composition
Application Number: 02818174 Application Date: 2002.09.06
Publication Number: 1606612 Publication Date: 2005.04.13
Approval Pub. Date: 2006.06.21 Granted Pub. Date: 2006.06.21
International Classifi-cation: C10M163/00,C10M167/00,C10M125/26,C10M139/00,C10M159/20,C10M155/04,C10N10/04,C10N30/00,C10N30/06,C10N
Applicant(s) Name: Nippon Oil Corp. Address:
Inventor(s) Name:
Attorney & Agent: sun ai
Abstract:
     Lubricating oil compositions particularly suitable for automatic transmissions comprising a lubricating base oil, (A) a boron-containing ashless dispersant in an amount of 0.02 to 0.1 percent by mass in terms of boron, based on the total mass of the composition, (B) an alkaline earth metal-based detergent with a base number of 0 to 500 mgKOH/g in an amount of 0.01 percent by mass or more in terms of alkaline earth metal, based on the total mass of the composition, and (C) an alkali metal borate or a hydrate thereof and having excellent anti-wear properties and improved fatigue life by inhibiting pitching.
Time: 7