COMPOSITION CONTAINING CATIONIC HYDROXYETHYL CELLULOSE
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United States of America Patent
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Sep 26, 2024
app pub date -
Oct 24, 2023
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Apr 2, 2015
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Abstract
An aqueous solution comprising a cationic polymer dissolved in water, wherein said cationic polymer comprises a hydrophobic quaternary ammonium group covalently attached to a hydroxyethyl cellulose polymer backbone. Also, a method of delivering a drug to a mucosal surface in a living body, said method comprising applying the aqueous solution to said mucosal surface.
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