Patent ID: 9115218
Filing Date: 2015-08-25
Classification: A61K,C08B

Abstract:
1. An anionic polysaccharide, of formula II, from dextrans comprising carboxyl groups, the dextrans comprising carboxyl groups being obtained from neutral dextrans, hydroxyl groups of which have been converted to carboxyl groups, and at least one of the carboxyl groups of the dextrans is substituted by at least two hydrophobic radicals, each denoted -Hy c , which are identical or different, and wherein any of the carboxyl groups of the dextrans that are substituted are substituted only by the at least two hydrophobic radicals: wherein: the polysaccharide is dextran, the degree of conversion of the hydroxyl groups to carboxyl groups per saccharide unit of the dextrans is equal to or greater than 0.15, n F the carboxyl groups of the dextrans that are not substituted by the at least two hydrophobic radicals are in the form of a salt of carboxylate with a cation, G Hy R r