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Serving leading biopharmaceutical companies globally:

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Generated: December 13, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,676,930

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Summary for Patent: 5,676,930

Title: Stabilized medicinal aerosol solution formulations
Abstract:Stabilized medicinal aerosol solution formulations comprising medicaments that degrade or decompose by interaction with solvents or water, an HFC propellant, a cosolvent and an acid are described. Further, specific medicinal aerosol solution formulations comprising ipratropium bromide or fenoterol, ethyl alcohol, 1,1,1,2-tetrafluoroethane or 1,1,1,2,3,3,3-heptafluoropropane, and either an inorganic acid or an organic acid are described. The acids are present in amounts sufficient to reduce the degradation of the medicaments to acceptable levels.
Inventor(s): Jager; Paul Donald (Waterbury, CT), Kontny; Mark James (New Milford, CT), Nagel; Jurgen Hubert (Ingelheim/Rhein, DE)
Assignee: Boehringer Ingelheim Pharmaceuticals, Inc. (Ridgefield, CT)
Application Number:08/475,060
Patent Claim Types:
see list of patent claims
Formulation; Compound; Use;

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International Patent Family for Patent: 5,676,930

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
China1095265► Subscribe
China1054282► Subscribe
Czech Republic9501490► Subscribe
Czech Republic284203► Subscribe
Germany69324161► Subscribe
Denmark0673240► Subscribe
European Patent Office0673240► Subscribe
Spain2129117► Subscribe
Finland952842► Subscribe
Finland114283► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Express Scripts
Chinese Patent Office
Daiichi Sankyo

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