Topical compositions containing low molecular weight chitosan derivatives
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United States of America Patent
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May 31, 2022
Grant Date -
Sep 10, 2020
app pub date -
Jan 7, 2020
filing date -
Jan 8, 2019
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Abstract
Disclosed are topical composition for delivery of an active agent to keratinous tissue, comprising a low molecular weight chitosan that is covalently modified chitosan with octane sulfonic acid which are attached to the chitosan via sulfonamide linkages (OsC), an effective amount of an active agent, and a carrier, and wherein the chitosan has a molecular weight of about 50 kD to about 150 kD. Also disclosed are methods of making the compositions and methods of using the compositions that entail topical application.
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