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Serving leading biopharmaceutical companies globally:

Johnson and Johnson
Fish and Richardson
Boehringer Ingelheim

Generated: November 20, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,167,574

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Summary for Patent: 4,167,574

Title: N-phenyl-N-(4-piperidinyl)amides
Abstract:Novel compounds of the series of N-phenyl-N-(4-piperidinyl)amides having a (4,5-dihydro-4-R-5-oxo-1H-tetrazol-1-yl)alkyl or (4,5-dihydro-4-R-5-thioxo-1H-tetrazol-1-yl)alkyl substituent group in the 1-position of the piperidine nucleus, said compounds being useful as analgesic agents.
Inventor(s): Janssens; Frans (Putte, BE)
Assignee: Janssen Pharmaceutica, N.V. (BE)
Application Number:05/954,709
Patent Claim Types:
see list of patent claims
Compound; Composition;

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International Patent Family for Patent: 4,167,574

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
AustriaA322078► Subscribe
Austria368994► Subscribe
Australia514360► Subscribe
Australia3552278► Subscribe
Belgium866710► Subscribe
Canada1105464► Subscribe
Switzerland635585► Subscribe
Cyprus1253► Subscribe
Germany2819873► Subscribe
Denmark193778► 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:

Daiichi Sankyo
Farmers Insurance
Harvard Business School

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