| http://www.w3.org/ns/prov#value | - O A 02/47031.Among these organo gelling agents there may be cited in particular the amides of carboxylic acids, particularly the tricarboxylic acids, such as the cyclohexanetricarboxamides (see European Patent Application EP A 1068854), the diamides having hydrocarbon chains that each contain 1 to 22 carbon atoms, for example 6 to 18 carbon atoms, the said chains being non-substit
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