Mixed solvent mutually enhanced transdermal therapeutic system

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Web – sheet or filament bases; compositions of bandages; or...

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424449, A61F 1302

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active

050646540

ABSTRACT:
The invention relates to the art of transdermal administration of drug substances, particularly those drug substances having a greater solubility in ethanol than in water and those drug substances having cationic or anionic substituent groups. It is especially useful for the administration of nitroglycerin.

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