Invention Grant
US08945610B2 Condensation products based on bicyclic or polycyclic aromatics or heteroaromatics 有权
基于双环或多环芳烃或杂芳族化合物的缩合产物

Condensation products based on bicyclic or polycyclic aromatics or heteroaromatics
Abstract:
The invention relates to a condensation product obtainable by reaction of a1) at least one bicyclic or polycyclic aromatic or heteroaromatic, where the bicyclic or polycyclic aromatic or heteroaromatic is substituted by at least one carboxyl group (—COOH), and where the carboxyl group can be present in salt form, a2) at least one carbonyl compound, a3) if appropriate at least one sulfonating agent, a4) at least one urea derivative, and a5) if appropriate at least one further aromatic or heteroaromatic, or a physiologically tolerable salt thereof.
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