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Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
Chinese Patent Office
Boehringer Ingelheim

Generated: December 13, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,800,903

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Summary for Patent: 4,800,903

Title: Nicotine dispenser with polymeric reservoir of nicotine
Abstract:A nicotine dispenser comprising a polyolefin porous plug with reversibly retained nicotine therein. The dispenser is mounted in a tubular configuration to provide a cigarette-shaped product adapted to dispense nicotine vapor when air is drawn therethrough. The polymeric reservoir of nicotine comprises a polyolefin, preferably polyethylene or polypropylene, which reversibly absorbs nicotine.
Inventor(s): Ray; Jon P. (San Antonio, TX), Turner; James E. (San Antonio, TX), Ellis; Michael P. (San Antonio, TX), Oldham; Ronald G. (San Antonio, TX)
Application Number:06/738,120
Patent Claim Types:
see list of patent claims
Use; Composition; Device;

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International Patent Family for Patent: 4,800,903

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office0202512► Subscribe
Germany3685687► Subscribe
China1016843► Subscribe
China86103434► Subscribe
Canada1254478► Subscribe
Brazil8602341► Subscribe
Australia5746386► Subscribe
Australia589182► Subscribe
Austria77248► Subscribe
Spain8900243► 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
Harvard Business School
Queensland Health

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