Patent ID: 9546340
Date: 2017-01-17
CPC Classifications: C10M,C10N

Claim:
1. A low-phosphorus lubricating composition having less than 600 ppm phosphorus, comprising at least 85 weight % of a lubricating base blend, and an additive comprising the following, as weight % of the total composition: (1) an organomolybdenum complex prepared by reacting about 1 mole of fatty oil, about 1.0 to 2.5 moles of diethanolamine and a molybdenum source sufficient to yield about 0.1 to 12.0 percent of molybdenum, at an amount of the complex which provides about 400 to about −700 ppm Mo; (2) (iso-octyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate) at about 0.5 to about 1.25%; and (3) a zinc dithiocarbamate at about 0.15-to about 0.5%; and (4) alkylated diphenylamine at about 0.5-to about 0.75%.