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Generated: December 18, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,583,152

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Summary for Patent: 5,583,152

Title: Method for treating vasospastic cardiovascular diseases heterocyclic amide derivatives
Abstract:The invention concerns novel, pharmaceutically useful, amide derivatives of certain benzoheterocyclylalkanoic acids (and related tetrazoles and acylsulphonamides) of the formula I and salts thereof, wherein the radicals R.sup.1, R.sup.2, L, X, Y, Z, A.sup.1, Q, A.sup.2 and M have the meanings set out in the specification. The invention also includes pharmaceutical compositions incorporating a formula I compound or a salt thereof, a process for the manufacture of the said compound, together with intermediates for use in the latter process. ##STR1##
Inventor(s): Bernstein; Peter R. (Wallingford, PA), Brown; Frederick J. (Newark, DE), Matassa; Victor G. (Wilmington, DE), Yee; Ying K. (Kennett Square, PA)
Assignee: Zeneca Inc. (Wilmington, DE)
Application Number:08/464,575
Patent Claim Types:
see list of patent claims
Use; Compound; Composition;

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Foreign Priority and PCT Information for Patent: 5,583,152

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom85/09882Apr 17, 1985
United Kingdom85/25658Oct 17, 1985

International Patent Family for Patent: 5,583,152

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina242569► Subscribe
Austria70053► Subscribe
Austria74127► Subscribe
Australia5616486► Subscribe
Australia595839► Subscribe
Australia596582► Subscribe
Australia6398586► Subscribe
Bulgaria60471► Subscribe
Canada1336192► Subscribe
Canada1340567► 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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