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Generated: December 13, 2017

DrugPatentWatch Database Preview

Details for Patent: 8,039,474

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Summary for Patent: 8,039,474

Title:2,3,4,9-tetrahydro-1H-carbazole derivatives as CRTH2 receptor antagonists
Abstract: The invention relates to novel tetrahydro-1H-carbazole derivatives and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of the compounds, pharmaceutical compositions containing one or more of those compounds and methods of treatment comprising administration of said compounds to patients.
Inventor(s): Fecher; Anja (Basel, CH), Fretz; Heinz (Riehen, CH), Riederer; Markus (Liestal, CH)
Assignee: Actelion Pharmaceutical Ltd. (Allschwil, CH)
Application Number:11/722,095
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;

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Foreign Priority and PCT Information for Patent: 8,039,474

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
PCT/EP2004/014719Dec 27, 2004
PCT Information
PCT FiledDecember 22, 2005PCT Application Number:PCT/IB2005/054380
PCT Publication Date:July 06, 2006PCT Publication Number: WO2006/070325

International Patent Family for Patent: 8,039,474

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
BrazilPI0519280► Subscribe
Canada2594280► Subscribe
China101084190► Subscribe
Cyprus1112376► Subscribe
Denmark1833791► Subscribe
European Patent Office1833791► Subscribe
Spain2369782► Subscribe
Hong Kong1111698► Subscribe
CroatiaP20110773► Subscribe
Israel184233► 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:

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