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Serving leading biopharmaceutical companies globally:

Novartis
Daiichi Sankyo
Fish and Richardson
QuintilesIMS
Argus Health
Healthtrust
Citi
Queensland Health
Merck
Cerilliant

Generated: November 18, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,153,222

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Summary for Patent: 5,153,222

Title: Method of treating pulmonary hypertension with benzidine prostaglandins
Abstract:The present invention is concerned with methods for the prophylaxis, treatment and diagnosis of pulmonary hypertension which comprise the administrative of an effective amount of a compound of formula (I) ##STR1## wherein a is an integer of from 1 to 3; X and Y, which may be the same or different, are selected from --O-- and --CH.sub.2 --; R is --(CH.sub.2).sub.5 R.sup.1 wherein R.sup.1 is hydrogen or methyl, or R is cyclohexyl, or R is --CH(CH.sub.3)CH.sub.2 C.tbd.CCH.sub.3 ; and the dotted line represents an optional double bond; or of a physiologically acceptable salt or acid derivative thereof. Medicaments and diagnostic aids for use in the methods of the invention are also within the scope of the invention.
Inventor(s): Tadepalli; Anjaneyulu S. (Durham, NC), Long; Walker A. (Chapel Hill, NC), Crow; James W. (Raleigh, NC), Klein; Kenneth B. (Chapel Hill, NC)
Assignee: Burroughs Wellcome Co. (Research Triangle Park, NC)
Application Number:07/715,439
Patent Claim Types:
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Foreign Priority and PCT Information for Patent: 5,153,222

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8814438Jun 17, 1988

International Patent Family for Patent: 5,153,222

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria84417► Subscribe
Australia3652889► Subscribe
Australia623147► Subscribe
Canada1327524► Subscribe
Germany68904358► Subscribe
Denmark299089► Subscribe
European Patent Office0347243► Subscribe
Spain2045437► Subscribe
United Kingdom8814438► Subscribe
United Kingdom8824187► 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:

Covington
Colorcon
Julphar
Cantor Fitzgerald
Daiichi Sankyo
McKinsey
Cipla
Mallinckrodt
Fuji
AstraZeneca

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