{HEAD ~ The invention} relates to {TAIL ~ a novel class} of gelling agents/thickeners, to a process of preparing the agents/thickeners, to the use of gelling agents/thickeners to prepare gels/thickened solutions, and to the gels/thickened solutions thus obtained 
{ HEAD ~ The invention } relates to { TAIL ~ a novel class } of gelling agents / thickeners , to a process of preparing the agents / thickeners , to the use of gelling agents / thickeners to prepare gels / thickened solutions , and to the gels / thickened solutions thus obtained
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