Patent ID: 9315760
Filing Date: 2016-04-19
CPC Classification: C10M,C10N

Claim Text:
1. A lubricating composition comprising at least 95% by weight of a lubricant basestock, and about 1-4% by weight of an antioxidant additive composition comprising: (a) methylenebis(dibutyldithiocarbamate); (b) a hindered amine selected from the group consisting of 4-stearoyloxy-2,2,6,6-tetramethylpiperidine, bis(2,2,6,6-tetramethylpiperidin-4-yl) sebacate, bis(1,2,2,6,6-pentamethylpiperidin-4-yl) sebacate and 2,2,6,6-tetramethylpiperidinyl-4-dodecanoate; and (c) a diaryl amine; wherein the weight ratio of (a):(b):(c) is about 5:1:4.