POLYSACCHARIDE DERIVATIVES OF LIPOIC ACID, AND THEIR PREPARATION AND USE AS SKIN COSMETICS AND MEDICAL DEVICES

摘要

Disclosed are polysaccharides containing residues of glucosamine orgalactosamine in the repetitive unit,characterised by the presence of esters on the hydroxyls or amides on theamine functions, with lipoic acid or with mixtures of lipoic acidand formic acid.