A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/70 (2006.01) A61K 47/12 (2006.01)
Patent
CA 2378385
A patch formulation for external use where a basic drug, an organic acid and an organic acid salt are combined as essential components is disclosed. The basic drug is preferably in the form of its acid addition salt. The organic acid is preferably a carboxylic acid having carbon atoms of 2 to 7, and more preferably at least one acid selected from the group consisting of acetic, lactic, tartaric, citric, malic, benzoic and salicylic acids. The organic acid salt is preferably a metal salt of a carboxylic acid, and more preferably sodium acetate.
L'invention concerne des bandes adhésives à usage externe contenant, comme ingrédients essentiels, un médicament basique, un acide organique et un sel d'acide organique. Le médicament basique est, de préférence, un sel d'addition acide d'un médicament basique. L'acide organique est, de préférence, un acide carboxylique C2-7 ou, de préférence, au moins un élément sélectionné dans le groupe constitué par un acide acétique, un acide malique, un acide benzoïque et un acide salicylique. Le sel d'acide organique est, de préférence, un sel métallique d'un acide carboxylique ou, de préférence, un acétate de sodium.
Chono Hideharu
Higo Naruhito
Kurita Hisakazu
Tateishi Tetsuro
Yamaguchi Toshiro
Borden Ladner Gervais Llp
Hisamitsu Pharmaceutical Co. Inc.
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