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|Title:||Monoquaternary 2,16-bispiperidinylandrostane derivatives|
|Abstract:||Monoquaternary 2,16-bispiperidinylandrostane neuromuscular blocking derivatives having the formula: ##STR1## wherein R.sub.1 is ethyl; R.sub.2 is methyl or allyl; and X.sup.- is a pharmaceutically acceptable anion; or pharmaceutically acceptable salts thereof.|
|Inventor(s):||Sleigh; Thomas (Wishaw, GB6), Carlyle; Ian C. (Hamilton, GB6), Muir; Alan W. (Ravenstruther, GB6)|
|Assignee:||Akzo N.V. (Arnhem, NL)|
Patent Claim Types:|
see list of patent claims
|Compound; Composition; Use;|
|Foriegn Application Priority Data|
|Foreign Country||Foreign Patent Number||Foreign Patent Date|
|92303612||Apr 22, 1992|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
| This preview shows a limited data set|
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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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