| abstract |
A method for making a grease comprising the steps of: <SL> <LI>a) reacting an alkylamine, alkenylamine, an alkylenediamine, polyoxyalkylenediamine, or cycloalylenediamine; a cycloakylamine; and an aryl-containing diisocyanate or alkyldiisocyanate in lubricant base oil; and <LI>b) recovering the grease. </SL> The lubricant base oil may be Fischer-Tropsch derived. The grease may be present in the lubricant base in an amount of 0.5 to 25 weight %. |