| http://www.w3.org/ns/prov#value | - Preferred ash-producing detergents which can be derived from the functionalized reactant polymer of the present invention include the metal salts of sulfonic acid derivatives, preferably wherein the polymer is an alkyl compound, alkyl phenols, sulfurized alkyl phenols, alkyl salicylates, alkyl naphthenates and other oil soluble mono- and dicarboxylic acids.
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