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Details for Patent: 5,914,128

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Summary for Patent: 5,914,128

Title: Orally administrable solid dosage form
Abstract:An orally administrable solid dosage form containing a compacted ribavirin composition having an advantageously high tap density of at least 0.6 g/mL as well as surprisingly rapid disintegration and dissolution rates and wherein the ribavirin is substantially free of polymorphic forms of ribavirin is disclosed.
Inventor(s): Liebowitz; Stephen M. (Neshanic Station, NJ), Stupak; Elliot I. (West Caldwell, NJ), Chaudry; Imtiaz A. (North Caldwell, NJ), Vadino; Winston A. (Whitehouse Station, NJ), Bowen; Frank E. (Rutherford, NJ)
Assignee: Schering Corporation (Kenilworth, NJ)
Application Number:08/997,172
Patent Claim Types:
see list of patent claims
Composition; Dosage form;
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 11th percentile
Forward Citations: 5th percentile

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Premature patent expiration for: 5,914,128

Expiration due to failure to pay maintenance fee

Patent Number Expiration Date
5,914,128 June 22, 2011

International Patent Family for Patent: 5,914,128

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina008977► subscribe
Austria234103► subscribe
Australia1668301► 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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