Cross-linked esters of hyaluronic acid

Details Cross-linked esters of hyaluronic acid Cross-linked esters of hyaluronic acid

C - Chemistry, Metallurgy

08

B

167/196, 167/199

C08B 37/08 (2006.01) A61K 8/73 (2006.01) A61K 47/36 (2006.01) A61L 15/28 (2006.01) A61L 17/10 (2006.01) A61L 27/20 (2006.01)

Patent

CA 1317287

ABSTRACT OF THE DISCLOSURE Total or partial cross-linked esters of hyaluronic acid are provided which result from the esterification of aliphatic polyhydric alcohols with two or more carboxy groups of the hyaluronic acid polysaccharide, with the proviso that the cross- linked ester is not the cross-linked ester of hyaluronic and with a halomethyloxirane or a bisepoxy compound. Salts of partial such esters with inorganic or organic bases are also provided. These cross-linked esters or their salts are useful in the field of biodegradable plastics for sanitary and surgical articles and in the pharmaceutical and cosmetic fields for the preparation of useful compositions and articles.

548921

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