Abstract:
A mineral oil composition of improved viscosity, pour depressing and detergent-dispersant properties comprising as a major component a mineral oil of lubricating viscosity and a viscosity index improving amount of an interpolymer of dialkylaminoalkyl methacrylate, styrene or alkyl substituted styrene, C10-C14 alkyl methacrylate and C16-C20 alkyl methacrylate.
Abstract:
A method of protecting surfaces by coating the surfaces with imide-ester derivatives of ethene - maleic anhydride copolymers which are prepared in a two step reaction. These derivatives are useful as adhesives and protective coatings.