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Home › Novel compositions prepared from organic amines and nitrogen-containing aromatic heterocyclic compounds substituted with at least one group selected from carboxylic acid, carboxylic acid ester, carboxylic acid anhydride and carboxylic acid halide

Novel compositions prepared from organic amines and nitrogen-containing aromatic heterocyclic compounds substituted with at least one group selected from carboxylic acid, carboxylic acid ester, carboxylic acid anhydride and carboxylic acid halide

US Patent 4761473 · Granted Aug 2, 1988

Estimated economic value: $8,603,000 ⓘ

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