| http://www.w3.org/ns/prov#value | - (3) Products obtained by post-treating the carboxylic or amine dispersants with such reagents as urea, thiourea, carbon disulfide, aldehydes, ketones, carboxylic acids, hydrocarbon-substituted succinic anhydrides, nitriles, epoxides, boron compounds, phosphorus compounds or the like.
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