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Details for Patent: 5,707,608

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Patent 5,707,608 protects VISUDYNE and is included in one NDA.

This patent has eleven patent family members in eleven countries.

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;
Patent PDF download available with subscription

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Valeant Luxembourg
INJECTABLE;INJECTION021119-001Apr 12, 2000RXYes5,707,608<disabled>
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International Patent Family for Patent: 5,707,608

Country Document Number Publication Date Supplementary Protection Certificate SPC Country SPC Expiration
Spain2186792May 16, 2003
World Intellectual Property Organization (WIPO)9704746Feb 13, 1997
Austria226430Nov 15, 2002
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ISSN: 2162-2639

Preferred citation:

Friedman, Y. Location of pharmaceutical innovation: 2000–2009 Nature Reviews Drug Discovery 9, 835–836 (2010).

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