Aqueous foamable composition
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United States of America Patent
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Jun 2, 1998
Grant Date -
N/A
app pub date -
Feb 24, 1997
filing date -
Jul 21, 1994
priority date (Note) -
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Abstract
An aqueous foamable composition is provided having a delayed foaming action on expulsion from a pressurized container. The composition comprises a major amount of water, a water-immiscible liquefied gas foaming agent, at least one foam-stabilizing and emulsifying surfactant, and a water-soluble polymer. The composition is particularly useful for rectal or vaginal administration of pharmaceuticals.
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