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Serving leading biopharmaceutical companies globally:

Cantor Fitzgerald
Express Scripts
Fish and Richardson

Generated: December 13, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,517,179

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Summary for Patent: 4,517,179

Title: Rapid dissolving, uniform drug compositions and their preparation
Abstract:Rapid dissolving uniform compositions of low water solubility drugs are formed from a dry mixture of the drug having a reduced particle size in combination with properly selected and sized excipients including microcrystalline cellulose, dibasic calcium phosphate, starches and a lubricant.
Inventor(s): Raghunathan; Yegnasawami (Fairport, NY)
Assignee: Pennwalt Corporation (Philadelphia, PA)
Application Number:06/586,605
Patent Claim Types:
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Composition; Dosage form; Process;

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International Patent Family for Patent: 4,517,179

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria53294► Subscribe
Australia565640► Subscribe
Australia2643484► Subscribe
Canada1216236► Subscribe
Switzerland662947► Subscribe
Germany3482402► Subscribe
Denmark211084► Subscribe
Denmark162630► Subscribe
European Patent Office0124027► Subscribe
Spain531978► 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:

US Army
Farmers Insurance
Cantor Fitzgerald

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