| http://www.w3.org/ns/prov#value | - substituted suc?? cinic acylating agent consists of substituent groups and succinic groups, and the substituent groups are derived from polyalkene characterized as having an Mn value of at least about 700, and (C) from about 0.01 to about 15% by weight of at least one demulsifier characterized by the formula wherein R is an alkyl or alkenyl group containing from about 5 to about 30 carbon atoms,
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