Process for preparing salt of hyaluronic acid with a pharmaceutically active substance
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United States of America Patent
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Apr 5, 1988
Issued Date -
N/A
app pub date -
Apr 3, 1986
filing date -
Apr 5, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Pharmaceutical preparations for topical administration containing a pharmacologically active substance together with hyaluronic acid or a molecular weight fraction thereof. The hyaluronic acid may be in the form of the free acid or may be a salt with an alkali or alkaline earth metal, magnesium, aluminum or ammonium, or in the form of a salt with one or more pharmacologically active substances.
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