| http://www.w3.org/ns/prov#value | - The dispersants of the present invention contain lignin sulfonic acid and/or alkali metal, alkaline earth metal, and/or ammonium salts thereof, and at least one alkyl ether phosphate corresponding to general formulae (I) and/or (II) below: ##STR2## in which R is a straight-chain or branched C8 -C22 alkyl or alkenyl radical, M is hydrogen, an alkali metal, ammonium, or alkaline-earth metal and wher
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