Patent ID: 7683038
Filing Date: 2010-03-23
Classification: A61L,A61P,C08B

Abstract:
1. Percarboxylated polysaccharides, wherein the polysaccharide is selected from the group consisting of hyaluronic acid derivatives, having a “percarboxylation degree” between 1% and 100%, wherein the term “percarboxylation degree” means the percentage of carboxy groups or modifications thereof introduced by an oxidation process of the primary hydroxyl groups present on the said polysaccharides, said hyaluronic acid derivatives comprising at least one repeating unit of formula (I): wherein R is OH, O R R (ii) an alcoholic group of hyaluronic acid, or (iii) an amino group of N-deacetylated hyaluronic acid; R R provided that, when R is OH or O