Solid mucoadhesive therapeutic or hygienic composition for application to the buccal or nasal mucous membrane
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United States of America Patent
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Mar 3, 1998
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N/A
app pub date -
Nov 25, 1996
filing date -
Nov 24, 1993
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Abstract
Solid mucoadhesive therapeutic or hygienic composition, for human or veterinary use, intended to be administered by application to the buccal or nasal mucous membrane, containing, in a mixture, 15 to 25% by weight of a cellulosic ether gelifiable in the presence of an aqueous liquid, 10 to 15% by weight of a homopolymer or copolymer of acrylic acid or a physiologically acceptable salt thereof, 30 to 45% by weight of a gelatin, and one or more therapeutic or hygienic active constituents. The cellulosic ether preferably is a C.sub.1 -C.sub.4 alkyl ether of cellulose, a C.sub.1 -C.sub.4 hydroxyalkyl ether of cellulose, or mixtures thereof.
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