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Generated: October 19, 2017

DrugPatentWatch Database Preview

Details for Patent: 6,235,781

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Summary for Patent: 6,235,781

Title: Prostaglandin product
Abstract:A pharmaceutical product comprising an aqueous prostaglandin formulation and a polypropylene container are disclosed. Aqueous prostaglandin formulations are more stable in polypropylene containers than polyethylene containers.
Inventor(s): Weiner; Alan L. (Arlington, TX), Airy; Subhash C. (Fort Worth, TX), Yarborough; Cody (Fort Collins, CO), Clifford; Julia A. (Arlington, TX), McCune; William E. (Fort Worth, TX)
Assignee: Alcon Laboratories, Inc. (Fort Worth, TX)
Application Number:09/487,936
Patent Claim Types:
see list of patent claims
Use; Composition; Delivery;

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International Patent Family for Patent: 6,235,781

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina019773► Subscribe
Austria285795► Subscribe
Australia4822099► Subscribe
Australia743607► Subscribe
Brazil9906597► Subscribe
Canada2295512► Subscribe
China1146423► Subscribe
China1272063► Subscribe
Germany69922916► Subscribe
Denmark1011728► 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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