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Serving leading biopharmaceutical companies globally:

Daiichi Sankyo

Generated: November 22, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,240,923

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Summary for Patent: 5,240,923

Title: Sulfonamides useful as carbonic anhydrase inhibitors
Abstract:Sulfonamides and pharmaceutical compositions containing the compounds useful in controlling intraocular pressure are disclosed. Methods for controlling intraocular pressure through administration of the compositions are also disclosed.
Inventor(s): Dean; Thomas R. (Weatherford, TX), Chen; Hwang-Hsing (Fort Worth, TX), May; Jesse A. (Fort Worth, TX)
Assignee: Alcon Laboratories, Inc. (Fort Worth, TX)
Application Number:07/775,313
Patent Claim Types:
see list of patent claims
Compound; Composition; Formulation; Use;

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International Patent Family for Patent: 5,240,923

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office0527801► SubscribeCA 2002 00030Denmark► Subscribe
European Patent Office0527801► SubscribeSPC/GB03/004United Kingdom► Subscribe
European Patent Office0527801► Subscribe91555Luxembourg► Subscribe
European Patent Office0527801► SubscribeCA 2009 00014Denmark► Subscribe
European Patent Office0527801► SubscribeC300098Netherlands► Subscribe
European Patent Office0527801► Subscribe3/2003Austria► Subscribe
Germany69133080► Subscribe
Germany122009000026► Subscribe
Denmark0527801► Subscribe
Israel97800► 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:

US Army
Fish and Richardson
US Department of Justice
Federal Trade Commission
Daiichi Sankyo
Queensland Health

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