Pharmaceutical composition using a mixture of propellant gases for a metered dose inhaler

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United States of America Patent

PATENT NO 6413497
SERIAL NO

09566105

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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New advantageous propellent gas mixtures contain two or more components, at least one of which is a partially fluorinated lower alkane, and may be used in pharmaceutical preparations.

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Patent Owner(s)

  • BOEHRINGER INGELHEIM KG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daab, Ottfried Ingelheim, DE 9 92
Weil, Hans-Hermann Gau-Bickelheim, DE 10 112

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