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Serving leading biopharmaceutical companies globally:

Argus Health
US Department of Justice
Fish and Richardson
Express Scripts
US Army
Farmers Insurance

Generated: December 16, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,857,330

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Summary for Patent: 4,857,330

Title: Chlorpheniramine therapy
Abstract:An osmotic dosage form is disclosed for delivering chlorpheniramine.
Inventor(s): Stephens; Sally I. (Mountain View, CA), Hamel; Lawrence G. (Sunnyvale, CA), Barclay; Glen E. (Sunnyvale, CA), Wong; Patrick S. L. (Hayward, CA)
Assignee: Alza Corporation (Palo Alto, CA)
Application Number:07/176,561
Patent Claim Types:
see list of patent claims
Dosage form; Delivery; Composition;

No matches for this query

International Patent Family for Patent: 4,857,330

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria59550► Subscribe
Australia597952► Subscribe
Australia7071487► Subscribe
Canada1285484► Subscribe
Germany3766885► Subscribe
European Patent Office0247709► Subscribe
Greece3001277► Subscribe
JapanH0784385► Subscribe
JapanS62249924► Subscribe
South Korea890004683► 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 Department of Justice
US Army
Express Scripts
Boehringer Ingelheim
Fish and Richardson

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