Patent ID: 8802606
Filing Date: 2014-08-12
Classification: C10M,C10N

Abstract:
1. A lubricant composition free of water, having improved four-ball antiwear properties, and comprising: a base oil present in an amount of greater than 85 parts by weight per 100 parts by weight of said lubricant composition; one or more alkylethercarboxylic acid corrosion inhibitor(s) having the formula; wherein R is a straight or branched chain C an ashless antiwear additive comprising phosphorous, wherein the four-ball antiwear properties are reported as an average diameter of wear scars pursuant to ASTM D417, wherein the average diameter of the wear scars are at least 5% smaller than the average diameter of the wear scars resulting from a standard that comprises said base oil and said ashless antiwear additive and that is free of said one or more alkylethercarboxylic acid corrosion inhibitor(s), wherein said lubricant composition comprises from 0.01 to less than 0.1 weight percent of said one or more alkylethercarboxylic acid corrosion inhibitor(s); and wherein said lubricant composition further comprises an antioxidant.