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Generated: October 19, 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
Russian Federation2007128736► Subscribe
Portugal1833791► Subscribe
New Zealand556657► Subscribe
Norway20073059► Subscribe
Malaysia144897► Subscribe
Mexico2007007691► Subscribe
South Korea101329903► Subscribe
South Korea20070104367► Subscribe
Japan5137240► Subscribe
Japan2008525426► 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:

Farmers Insurance
Argus Health
US Army

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