Stable hydrogel compositions including additives
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United States of America Patent
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May 23, 2017
Grant Date -
Nov 5, 2015
app pub date -
Jul 13, 2015
filing date -
Jan 13, 2010
priority date (Note) -
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Abstract
Dermal filler hydrogel compositions, methods of making them, and methods of using them to treat soft tissue conditions, such as wrinkles, are provided. The compositions contain a crosslinked hyaluronic acid-based polymer and one or more additional ingredients, and are stable to sterilization by heat and/or pressure treatment. The additional ingredients include vasoconstrictive agents, antioxidant agents, such as a ascorbic acid agents, and/or anesthetic agents.
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