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Details for Patent: 5,916,589

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Summary for Patent: 5,916,589

Title: Pharmaceutical compositions comprising cyclosporins
Abstract:Pharmaceutical compositions comprising a cyclosporin, e.g. Ciclosporin or [Nva].sup.2 -Ciclosporin, in "microemulsion pre-concentrate" and microemulsion form. The compositions typically comprise (1.1) a C.sub.1-5 alkyl or tetrahydrofurfuryl di- or partial-ether of a low molecular weight mono- or poly-oxy-alkane diol, e.g. Transcutol or Glycofurol, as hydrophilic component. Compositions are also provided comprising a cyclosporin and (1.1) and, suitably, also a saccharide monoester, e.g. raffinose or saccharose monolaurate. Dosage forms include topical formulations and, in particular, oral dosage forms.
Inventor(s): Hauer; Birgit (Lahr, DE), Meinzer; Armin (Munzingen, DE), Posanski; Ulrich (Freiburg, DE), Richter; Friedrich (Schonbush-Urtenen, CH)
Assignee: Novartis AG (Basel, CH)
Application Number:08/812,073
Patent Claim Types:
see list of patent claims
Composition; Use;
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 49th percentile
Forward Citations: 2nd percentile

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Premature patent expiration for: 5,916,589

Expiration due to failure to pay maintenance fee

Patent Number Expiration Date
5,916,589 June 29, 2011

International Patent Family for Patent: 5,916,589

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria403435► subscribe
AustriaA214289► subscribe
Australia4140089► 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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