Title: Lubricant composition using high tbn, low viscosity, group 2 metal overbased sulfurized alkylphenols as active constituent
Application Number: 87105448 Application Date: 1987.08.08
Publication Number: 1017658 Publication Date: 1988.04.13
Approval Pub. Date: 1993.06.23 Granted Pub. Date: 1993.06.23
International Classifi-cation: C07C319/14;C10M159/22;C10M159/24
Applicant(s) Name: Chevron Research Co. Address:
Inventor(s) Name: Thomas V. Liston
Attorney & Agent: FAN WEIMIN MU DEJUN
Abstract:
    A Group II metal overbased sulfurized alkylphenol characterized as high alkalescence is disclosed in this invention, a viscosity of about 800 centistokes or less at 100 degree C and containing less than about 10 mole percent of unsulfurized Group II metal alkylphenol in the actives.
Time: 7