PROCESS FOR PREPARING MIXED ALKYL ESTERS OF INTERPOLYMERS FOR USE IN CRUDE OILS

摘要

Mixed alkyl esters made by reacting a mixture of two or more of certain monohydric alcohols with interpolymers derived from (i) alpha , beta -unsaturated dicarboxylic acids or derivatives thereof and (ii) vinyl aromatic monomers having up to 12 carbon atoms are useful modifiers for crude oils.