.

Flexible Flat-Rate Plans

Flat-rate pricing for predictable budgeting

Short-term plans for project- or client-based billing

► Plans and Pricing

Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

DrugPatentWatch Database Preview

Details for Patent: 5,707,608

« Back to Dashboard
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
VISUDYNE
verteporfin
INJECTABLE;INJECTION021119-001Apr 12, 2000RXYes5,707,608<disabled>
This preview shows a limited data set
Subscribe for full access, or try a Trial

Export unavailable in trial.
Subscribe for complete access.

International Patent Family for Patent: 5,707,608

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria226430<disabled in preview>
Australia6608396<disabled in preview>
Australia717181<disabled in preview>
This preview shows a limited data set
Subscribe for full access, or try a Trial

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.

Export unavailable in trial.
Subscribe for complete access.

For more information try a trial or see the database preview and plans and pricing

How are People Using DrugPatentWatch?

`abc