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Generated: December 13, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,529,766

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Summary for Patent: 5,529,766

Title: Contrast agents
Abstract:The invention relates to ultrasound contrast agents comprising vesicles comprising a protein capable of formation of gas-containing vesicles, wherein the vesicles contain gas which comprises sulphur hexafluoride or a low molecular weight fluorinated hydrocarbon. These contrast agents exhibit stability in vivo upon administration so as to permit ultrasound visualization while allowing rapid subsequent elimination from the system.
Inventor(s): Klaveness; Jo (Oslo, NO), Rongved; Pal (Nesoddtaugen, NO), Strande; Per (Oslo, NO)
Assignee: Nycomed Imaging AS (Oslo, NO)
Application Number:08/119,218
Patent Claim Types:
see list of patent claims
Compound; Composition; Process; Use;

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Foreign Priority and PCT Information for Patent: 5,529,766

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9106686Mar 28, 1991
PCT Information
PCT FiledMarch 28, 1992PCT Application Number:PCT/EP92/00716
PCT Publication Date:October 15, 1992PCT Publication Number: WO92/17213

International Patent Family for Patent: 5,529,766

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria133158► Subscribe
Austria134668► Subscribe
Austria157547► Subscribe
Australia1428392► Subscribe
Australia1443992► Subscribe
Australia4094196► Subscribe
Australia662490► Subscribe
Australia663488► Subscribe
Australia663866► Subscribe
Australia701817► 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
US Army
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Queensland Health
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