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Details for Patent: 5,017,609

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Summary for Patent: 5,017,609

Title: Pharmaceutical composition and method of treatment or prophylaxis of cardiac disorders
Abstract:A pharmaceutical composition is disclosed, which contains a short-acting .beta.-blocking compound of the formula ##STR1## wherein R.sub.1 may be an alkyl, cycloalkyl, alkenyl, alkynyl, alkyl carboxymethyl, aryl carboxymethyl, aryl or aralkyl, A may be an alkylene or alkenylene, X may be independently amino, hydrogen, halogen, hydroxy, alkoxy, aryloxy, aralkyl, cyano, amido or trifluoromethyl, n is an integer from 1 to about 4, R may be an alkyl, propargyl, dimethylpropargyl or hydroxyalkyl; or a pharmaceutically acceptable salt thereof in a hydroalcoholic solution further containing a physiologically acceptable buffering agent, ethanol and a physiologically acceptable liquid polyhydric compound. A method for treatment or prophylaxis of cardiac disorders using the composition of the present invention is also disclosed.
Inventor(s): Escobar; Agustin (Aquadilla, PR), Wagenknecht; Dietmar (Zion, IL), Malick; Ahmad W. (Edison, NJ)
Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE)
Application Number:07/437,293
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form; Use;

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International Patent Family for Patent: 5,017,609

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia4150785► subscribe
Australia575153► subscribe
Canada1242395► 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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