Percutaneous absorption preparation
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United States of America Patent
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Oct 10, 1989
Grant Date -
N/A
app pub date -
Mar 26, 1987
filing date -
May 7, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A percutaneous absorption preparation which comprises calcium salt of an acidic anti-inflammatory or analgesic drug having carboxyl group as the active ingredient and present in an amount of 0.3-10% by weight; a medium for the active ingredient which is selected form the group consisting of an ethylene glycol mono-lower alkyl ether, propylene glycol, polyethylene glycol and dimethylsulfoxide, the medium being present in an amount at least sufficient to dissolve the active ingredient; an absorption promotor selected from the group consisting of 1-dodecylazacycloheptan-2-one, hexamethylenelauramide, N-methyl-2-pyrrolidone, a sucrose aliphatic acid ester, dimethylsulfoxide and a nonionic surfactant and present in an amount of 0.5-10% by weight; and the remaining being other reagents and/or carriers required for a desired form of the preparation.
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