Cross-linked gels of hyaluronic acid and products containing such gels
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United States of America Patent
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Jan 13, 1987
Issued Date -
N/A
app pub date -
Mar 8, 1985
filing date -
Dec 6, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed are cross-linked gels of hyaluronic acid, alone or mixed with other hydrophilic polymers and containing various substances or covalently bonded low molecular weight substances and processes for preparing them. These products are useful in numerous applications including cosmetic formulations and as drug delivery systems.
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