Crosslinked carboxy polysaccharides

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert

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424401, 424408, 424422, 514 54, 514178, 514181, 514453, 536 53, 536 55, 536 551, 536115, 536119, A61F 200, A61K 3170, C07H 504

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active

056769644

ABSTRACT:
Inter and/or intramolecular cross-linked esters of acid polysaccharides are disclosed in which a part or all of the carboxy groups are esterified with hydroxyl groups of the same molecule and/or of different molecules of the acid polysaccharide. These inner cross-linked esters of polysaccharide acids are useful in the field of biodegradable plastic materials, to manufacture sanitary and surgical articles, in the cosmetic and pharmaceutical fields, in the food industry and in many other industrial fields.

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