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Serving leading biopharmaceutical companies globally:

Queensland Health
Harvard Business School
Fish and Richardson

Generated: October 21, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,285,957

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Summary for Patent: 4,285,957

Title: 1-Piperidine-alkanol derivatives, pharmaceutical compositions thereof, and method of use thereof
Abstract:Novel compounds of the following formula: ##STR1## wherein R.sub.1 is hydrogen or hydroxy; R.sub.2 is hydrogen; or R.sub.1 and R.sub.2 taken together form a second bond between the carbon atoms bearing R.sub.1 and R.sub.2 ; n is an integer of from 1 to 5; R.sub.3 is --CH.sub.3, --CH.sub.2 OH, --COOH or --COOalkyl wherein the alkyl moiety has from 1 to 6 carbon atoms and is straight or branched; and each of A and B is hydrogen or hydroxy; with the provisos that at least one of A or B is hydrogen and one of A or B is other than hydrogen when R.sub.3 is --CH.sub.3 ; and pharmaceutically acceptable salts thereof.
Inventor(s): Carr; Albert A. (Cincinnati, OH), Dolfini; Joseph E. (Cincinnati, OH), Wright; George J. (Richmond, VA)
Assignee: Richardson-Merrell Inc. (Wilton, CT)
Application Number:06/196,505
Patent Claim Types:
see list of patent claims
Compound; Composition; Dosage form; Use;

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International Patent Family for Patent: 4,285,957

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria376207► Subscribe
Austria376208► Subscribe
AustriaA126080► Subscribe
AustriaA144880► Subscribe
Australia531146► Subscribe
Australia536463► Subscribe
Australia5501680► Subscribe
Australia5501880► Subscribe
Belgium882703► Subscribe
Belgium882704► 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
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Federal Trade Commission

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