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Generated: November 18, 2017

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Details for Patent: 4,894,369

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Summary for Patent: 4,894,369

Title: Novel 2.beta.-morpholino-androstane derivatives
Abstract:Compounds having the formula: ##STR1## wherein R.sub.1 is H or an optionally substituted acyl group having 1-12 carbon atoms, R.sub.2 is H or an acyl group having 1-12 carbon atoms and R.sub.3 is C, N--CH.sub.3 or a direct bond; and mono- or bisquaternary ammonium compounds thereof and acid addition salts of the non- or mono-quaternary ammonium compounds. Process for the preparation of these compounds. Compositions comprising at least one of the above compounds as the active ingredient. The compounds are favorable neuromuscular blocking agents.
Inventor(s): Sleigh; Thomas (Wishaw, GB6), Savage; David S. (New Mearns, GB6), Carlyle; Ian C. (Hamilton, GB6)
Assignee: Akzo N.V. (Arnhem, NL)
Application Number:07/181,139
Patent Claim Types:
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Compound; Composition; Formulation;

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Foreign Priority and PCT Information for Patent: 4,894,369

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8708886Apr 14, 1987

International Patent Family for Patent: 4,894,369

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Denmark202888► Subscribe
Germany19575040► Subscribe
Germany3873803► Subscribe
Finland89057► Subscribe
Finland881707► Subscribe
European Patent Office0287150► Subscribe96C0038Belgium► Subscribe
Spain2043781► Subscribe
Denmark174743► Subscribe
Canada1291117► Subscribe
Australia1457088► 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:

US Army
Cantor Fitzgerald
Julphar
McKinsey
Cerilliant
Chinese Patent Office
Daiichi Sankyo
Baxter
Johnson and Johnson
Mallinckrodt

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