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Generated: December 15, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,264,611

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Summary for Patent: 4,264,611

Title: 2,6-Dimethyl-4-2,3-disubstituted phenyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid-3,5-asymmetric diesters having hypotensive properties, as well as method for treating hypertensive conditions and pharmaceutical preparations containing same
Abstract:The present invention relates to new compounds having antihypertensive effect, which compounds are of the formula I, ##STR1## wherein R.sup.1 is selected from the group consisting of --CH.sub.3, --C.sub.2 H.sub.5, --CH.sub.2 CH.sub.2 OCH.sub.3, and --CH.sub.2 CH.sub.2 OC.sub.2 H.sub.5, and R.sup.2 is selected from the group consisting of --C.sub.2 H.sub.5, --CH(CH.sub.3).sub.2, --C(CH.sub.3).sub.3, --CH(CH.sub.3)CH.sub.2 OCH.sub.3, C(CH.sub.3).sub.2 CH.sub.2 OCH.sub.3, and --CH.sub.2 C(CH.sub.3).dbd.CH.sub.2, whereby R.sup.1 and R.sup.2 are not the same, R.sup.3 is selected from the group consisting of chloro, and R.sup.4 is selected from the group consisting of chloro, and methyl, a method for lowering the blood pressure in mammals including man using said compounds, and pharmaceutical preparations containing said compounds.
Inventor(s): Berntsson; Peder B. (Molndal, SE), Carlsson; Stig A. I. (Molnlycke, SE), Gaarder; Jan O. (Goteborg, SE), Ljung; Bengt R. (Goteborg, SE)
Assignee: Aktiebolaget Hassle (Molndal, SE)
Application Number:06/050,083
Patent Claim Types:
see list of patent claims
Compound; Use; Composition;

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Foreign Priority and PCT Information for Patent: 4,264,611

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Sweden7807404Jun 30, 1978

International Patent Family for Patent: 4,264,611

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria1237► Subscribe
Australia4831679► Subscribe
Australia529116► Subscribe
Bulgaria61420► Subscribe
Canada1117530► Subscribe
Czechoslovakia241021► Subscribe
Czechoslovakia241038► Subscribe
Czechoslovakia8209181► Subscribe
Cyprus1299► Subscribe
German Democratic Republic144667► 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:

Johnson and Johnson
Cantor Fitzgerald
Queensland Health

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