HFC solution formulations containing an anticholinergic

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United States of America Patent

PATENT NO 7273603
APP PUB NO 20050008578A1
SERIAL NO

10882494

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An aerosol solution formulation comprising: (a) a salt of formula 1 ##STR00001## wherein X.sup.- is an anion (b) an HFC propellant; (c) a cosolvent; and (d) an inorganic or an organic acid, wherein the concentration of the acid is in a range that corresponds with a pH range of 2.5 to 5.5 in aqueous solution.

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Patent Owner(s)

  • BOEHRINGER INGELHEIM INTERNATIONAL GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schmidt, Friedrich Ingelheim, DE 43 573

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