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|Title:||Salt of diclofenac with a pyrrolidine compound and pharmaceutical compositions which contain it|
|Abstract:||The salt of diclofenac with a cyclic organic base is prepared by dissolving diclofenac in a suitable organic solvent, adding said cyclic organic base, reacting the two components together, removing the solvent and crystallizing the product obtained. Said salt is water soluble to an extent from 20% w/v to an extent exceeding 50% w/v, and is used to prepared pharmaceutical compositions preferably in granular form for use by dissolving in water for oral administration.|
|Inventor(s):||Ziggiotti; Antonio (Vezia, CH), Di Schiena; Michele (Cisliano, IT)|
|Assignee:||Altergon S. A. & Ricerfarma Srl. (IT)|
Patent Claim Types:|
see list of patent claims
|Foriegn Application Priority Data|
|Foreign Country||Foreign Patent Number||Foreign Patent Date|
|Italy||22320 A/86||Nov 13, 1986|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Germany||3769943||<disabled in preview>|
|Denmark||592987||<disabled in preview>|
|European Patent Office||0271709||<disabled in preview>|
| 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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