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Serving leading biopharmaceutical companies globally:

McKesson
Express Scripts
Harvard Business School
Chubb
Deloitte
Accenture
Cerilliant
Novartis
Daiichi Sankyo
Mallinckrodt

Generated: November 20, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,707,608

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Summary for Patent: 5,707,608

Title: Methods of making liposomes containing hydro-monobenzoporphyrin photosensitizer
Abstract:Liposomal compositions containing green porphyrins as photosensitizers are improved by enhancing the ratio of phospholipid to photosensitizer and by conducting the hydration an sizing of the liposomes in the composition at low temperature.
Inventor(s): Liu; Ron (North Chicago, IL)
Assignee: QLT PhotoTherapeutics, Inc. (Vancouver, CA)
Application Number:08/510,573
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form; Formulation; Compound;

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International Patent Family for Patent: 5,707,608

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia6608396► Subscribe
Canada2227761► Subscribe
Germany69624485► Subscribe
Australia717181► Subscribe
Denmark0843547► Subscribe
Austria226430► Subscribe
European Patent Office0843547► Subscribe
Spain2186792► Subscribe
Japan3782112► Subscribe
Portugal843547► 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:

Farmers Insurance
Mallinckrodt
Federal Trade Commission
Cipla
Accenture
Queensland Health
Medtronic
Merck
UBS
Deloitte

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