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Details for Patent: 6,080,756

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Summary for Patent: 6,080,756

Title: Polymorphs of the prodrug 6-N-(L-ALA-L-ALA)-trovafloxacin
Abstract:The invention relates to a monohydrate polymorph PII.M of a compound of the formula ##STR1## exhibiting the following X-ray powder diffraction pattern The invention also relates to methods of preparing the above compound, pharmaceutical compositions containing the above compound, and methods of treating bacterial infections by administering the above compound.
Inventor(s): Norris; Timothy (Gales Ferry, CT), McGarry; James J. (Ledyard, CT), Allen; Douglas J. M. (New London, CT)
Assignee: Pfizer Inc. (New York, NY)
Application Number:09/011,370
Patent Claim Types:
see list of patent claims
Compound; Process; Use; Composition;
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 2nd percentile
Forward Citations: 0th percentile

No matches for this query

Premature patent expiration for: 6,080,756

Expiration due to failure to pay maintenance fee

Patent Number Expiration Date
6,080,756 June 28, 2004

Foreign Priority and PCT Information for Patent: 6,080,756

PCT Information
PCT FiledJuly 05, 1996PCT Application Number:PCT/IB96/00653
PCT Publication Date:March 06, 1997PCT Publication Number: WO97/08191

International Patent Family for Patent: 6,080,756

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Guatemala199600061► subscribe
Canada2230303► subscribe
China1193977► 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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