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Serving leading biopharmaceutical companies globally:

Cantor Fitzgerald
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Generated: November 21, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,999,375

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Summary for Patent: 4,999,375

Title: Psoralen reagent compositions for extracorporeal treatment of blood
Abstract:Psoralen compositions for extracorporeal administration to blood prior to reinfusion into a subject comprising a sterile aqueous solution of about 0.005 to about 1 mg/ml of a psoralen ethyl alcohol, propylene glycol and water and having a pH from about 2.0 to about 6.0 are disclosed. These compositions are useful for the therapy of a subject being treated by ultraviolet-A photophoresis.
Inventor(s): Bachynsky; Maria O. (Nutley, NJ), Infeld; Martin H. (Upper Montclair, NJ), Margolis; Richard J. (Wayne, NJ), Perla; Dennis A. (Wayne, NJ)
Assignee: Hoffmann-La Roche Inc. (Nutley, NJ)
Application Number:07/336,179
Patent Claim Types:
see list of patent claims
Composition; Formulation; Use;

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International Patent Family for Patent: 4,999,375

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria87205► Subscribe
Germany59001061► Subscribe
Denmark0392429► Subscribe
European Patent Office0392429► Subscribe
JapanH02290814► 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:

Argus Health
Express Scripts
Fish and Richardson
US Army
US Department of Justice
Chinese Patent Office

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