Cross-linked esters of hyaluronic acid
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United States of America Patent
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Sep 18, 1990
Grant Date -
N/A
app pub date -
Oct 13, 1987
filing date -
Oct 13, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Cross-linked esters of hyaluronic acid are provided which result from the esterification of polyhydric alcohols with two or more carboxy groups of the hyaluronic acid polysaccharide. These cross-linked esters 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.
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