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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;
Patent PDF download available with subscription

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Premature patent expiration for: 5,412,095

Expiration due to failure to pay maintenance fee

Patent Number Expiration Date
5,412,095 May 02, 2007

International Patent Family for Patent: 5,412,095

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria130853<disabled in preview>
Austria182592<disabled in preview>
Canada2107382<disabled in preview>
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
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