Non-nitrogen containing derivatives of polyalkylene succinic anhydrides include, but are not limited to, succinic acids, Group I and/or Group II mono- or di-metal salts of succinic acids, succinate esters formed by the reaction of a polyalkylene succinic anhydride, acid chloride, or other derivatives with an alcohol (e.g., HOR1 wherein R1 is an alkyl group of from 1 to 10 carbon atoms) and the lik