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Serving leading biopharmaceutical companies globally:

Harvard Business School
Chinese Patent Office
Argus Health
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Generated: November 22, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,089,509

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Summary for Patent: 5,089,509

Title: Disubstituted acetylenes bearing heteroaromatic and heterobicyclic groups having retinoid like activity
Abstract:Retinoid-like activity is exhibited by compounds of the formula ##STR1## where X is S, O, or NR' where R' is hydrogen or lower alkyl; R is hydrogen or lower alkyl; A is pyridyl, thienyl, furyl, pyridazinyl, pyrimidinyl or pyrazinyl; n is 0-2; and B is H, --COOH or a pharmaceutically acceptable salt, ester or amide thereof, --CH.sub.2 OH or an ether or ester derivative, or --CHO or an acetal derivative, or --COR.sub.1 or a ketal derivative where R.sub.1 is --(CH.sub.2).sub.m CH.sub.3 where m is 0-4, or a pharmaceutically acceptable salt thereof.
Inventor(s): Chandraratna; Roshantha A. S. (El Toro, CA)
Assignee: Allergan, Inc. (Irvine, CA)
Application Number:07/326,191
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;

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International Patent Family for Patent: 5,089,509

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria200284► Subscribe
Austria76641► Subscribe
Australia1326888► Subscribe
Australia3659193► Subscribe
Australia3735995► Subscribe
Australia613346► Subscribe
Australia674671► Subscribe
Australia709944► Subscribe
Canada1305480► Subscribe
Canada2129973► 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:

Chinese Patent Office
Johnson and Johnson
US Army
Fish and Richardson

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