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Serving leading biopharmaceutical companies globally:

Boehringer Ingelheim
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Generated: October 24, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,761,418

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Summary for Patent: 4,761,418

Title: Novel compounds
Abstract:Neuromuscular blocking agents of formula (1) which are useful as skeletal muscle relaxants during surgery are disclosed. ##STR1## and X is an anion, preferably pharmaceutically acceptable.
Inventor(s): Swaringen, Jr.; Roy A. (Durham, NC), El-Sayad; Hassan A. (Nasr City, EG), Yeowell; David A. (Chapel Hill, NC), Savarese; John J. (Boxford, MA)
Assignee: Burroughs Wellcome Co. (Research Triangle Park, NC) General Hospital Corporation (Boston, MA)
Application Number:06/756,025
Patent Claim Types:
see list of patent claims
Compound; Use; Composition;

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Foreign Priority and PCT Information for Patent: 4,761,418

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8418303Jul 18, 1984

International Patent Family for Patent: 4,761,418

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Germany19675039► Subscribe
Finland852807► Subscribe
Spain8609260► Subscribe
Spain545319► Subscribe
European Patent Office0181055► SubscribeSPC/GB93/031United Kingdom► Subscribe
European Patent Office0181055► Subscribe96C0001Belgium► Subscribe
Denmark168093► Subscribe
Denmark324985► Subscribe
Germany3581699► Subscribe
German Democratic Republic235638► 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:

Farmers Insurance
Fish and Richardson
US Department of Justice
Johnson and Johnson
Cantor Fitzgerald

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