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Generated: November 20, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,256,664

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Summary for Patent: 5,256,664

Title: Antidepressant 3-halophenylpiperazinylpropyl derivatives of substituted triazolones and triazoldiones
Abstract:2-(3-[4-(3-Halophenyl)-1-piperazinyl]propyl derivatives of certain 4-alkyl- or 4-phenoxyalkyl-2,4-dihydro-3H-1,2,4-triazol-3-ones and triazol-3,5-diones are psychotropic agents having promise as antidepressants by virtue of their receptor site binding affinity profiles and animal pharmacology.
Inventor(s): Mayol; Robert F. (Durham, CT), Luke; George M. (LaFayette, NY)
Assignee: Bristol-Myers Squibb Company (New York, NY)
Application Number:07/875,044
Patent Claim Types:
see list of patent claims
Compound; Composition; Dosage form;

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International Patent Family for Patent: 5,256,664

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria199253► Subscribe
Canada2094890► Subscribe
Germany69329942► Subscribe
Denmark0568437► Subscribe
European Patent Office0568437► Subscribe
Spain2154644► Subscribe
Greece3035809► Subscribe
JapanH0641095► Subscribe
Portugal568437► 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:

Fish and Richardson
Queensland Health
Johnson and Johnson
Cantor Fitzgerald

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