Patent ID: 6723141
Filing Date: 2004-04-20
Classification: C10L

Abstract:
An additive concentrate comprising:an oil soluble hydrocarbyl poly(oxyalkylene) aminocarbamate having a number average molecular weight (Mn) in the range 600 to 10,000 with at least one basic nitrogen atom wherein the hydrocarbyl substituent contains 1-30 carbon atoms; and, an oil soluble hydrocarbyl amine of formula Râ€”NH2 wherein R represents a group Râ€² or a group Râ€²â€”CH2â€”, wherein Râ€² represents a hydrocarbyl group having a number average molecular weight (Mn) in the range 750 to 6,000 wherein the aminocarbamate and the amine have a weight ratio in the range of 6:1 to 1:6.