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Generated: October 23, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,412,095

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Summary for Patent: 5,412,095

Title: Terazosin monohydrochloride and processes and intermediate for its production
Abstract:The present invention provides a non-solvated crystalline polymorph of terazosin monohydrochloride designated Form III and methods for its preparation. Also disclosed is terazosin monohydrochloride methanolate and processes for its production as well as processes for its conversion to other crystalline forms of terazosin monohydrochloride.
Inventor(s): Morley; James A. (Gurnee, IL), Bauer; John F. (Lake Bluff, IL), Patel; Ramesh F. (Chicago, IL), Henry; Rodger E. (Waukegan, IL), Spanton; Stephen G. (Grayslake, IL)
Assignee: Abbott Laboratories (Abbott Park, IL)
Application Number:08/246,526
Patent Claim Types:
see list of patent claims
Compound;

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International Patent Family for Patent: 5,412,095

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office0623612► Subscribe
European Patent Office0622067► Subscribe
Canada2143974► Subscribe
Germany623612► Subscribe
Germany683167► Subscribe
Germany9320931► Subscribe
Germany69300913► Subscribe
Germany69428933► Subscribe
Germany69510999► Subscribe
Denmark0623612► 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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