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Serving leading biopharmaceutical companies globally:

Harvard Business School
Express Scripts

Generated: October 24, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,834,489

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Summary for Patent: 5,834,489

Title: Methods and compositions for the treatment of pain utilizing ropivacaine
Abstract:Use of a pharmaceutically acceptable salt of ropivacaine for the manufacture of a pharmaceutical preparation with sensoric block and minimal motor blockade.
Inventor(s): Eek; Arne Torsten (Trosa, SE)
Assignee: AB Astra (SE)
Application Number:08/851,062
Patent Claim Types:
see list of patent claims
Use; Composition;

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Foreign Priority and PCT Information for Patent: 5,834,489

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Sweden9302218Jun 28, 1993

International Patent Family for Patent: 5,834,489

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
China1126435► Subscribe
China1074918► Subscribe
Czech Republic9503364► Subscribe
Czech Republic283300► Subscribe
Germany706395► Subscribe
Germany69430427► Subscribe
Denmark0706395► Subscribe
Estonia03205► Subscribe
European Patent Office0706395► Subscribe
Spain2099048► 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:

Chinese Patent Office
Boehringer Ingelheim
US Army
Fish and Richardson

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