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Argus Health
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Generated: December 14, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,983,595

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Summary for Patent: 4,983,595

Title: Aqueous steroid formulations for nasal administration
Abstract:A non-stinging aqueous anti-inflammatory steroid formulation suitable for intranasal administration comprises: an anti-inflammatory steroid in an amount between about 0.01% and about 0.05% (w/v); propylene glycol in an amount between about 2% and about 10% (w/v); PEG 400 in an amount between about 10% and about 25% (w/v); polysorbate 20 in an amount between about 1% and about 4% (w/v); an effective amount of a preservative; an effective amount of a stabilizer; an effective amount of an antioxidant; water; and pH buffering agent sufficient to adjust the pH of the resulting solution to between about 3.5 and about 7.
Inventor(s): Benjamin; Eric (Dublin, OH), Anik; Shabbir (Mountain View, CA), Lin; Ya-Yun T. (Cupertino, CA)
Assignee: Syntex (U.S.A.) Inc. (Palo Alto, CA)
Application Number:07/247,008
Patent Claim Types:
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International Patent Family for Patent: 4,983,595

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Denmark258687► Subscribe
Denmark175238► Subscribe
European Patent Office0246652► Subscribe
Spain2031467► Subscribe
Greece3002317► Subscribe
Finland88459► Subscribe
Finland872231► Subscribe
Germany3771389► Subscribe
Hong Kong39094► Subscribe
Australia7327387► 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:

Daiichi Sankyo
Harvard Business School
Federal Trade Commission
Fish and Richardson
US Department of Justice

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