Chemically modified hyaluronic acid preparation and method of re

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

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435267, C08B 3708, C08F 800, C12P 1904, C12R 146

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active

047134488

ABSTRACT:
Disclosed is hylan, a chemically modified hyaluronic acid preparation characterized by the presence of small amounts (0.005-0.05% by weight) of aldehyde cross-linking groups covalently bonded to the hyaluronic acid molecular chains. Also disclosed is a method of obtaining hylan comprising treating hyaluronic acid in situ in animal tissues containing same with a treatment mixture including a reagent (typically an aldehyde) which is reactive towards hyaluronic acid and the proteins contained in the animal tissue.

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