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Serving leading biopharmaceutical companies globally:

US Department of Justice
Harvard Business School
Express Scripts
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Generated: December 12, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,527,521

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Summary for Patent: 5,527,521

Title: Low density microspheres and suspensions and their use as contrast agents for computed tomography and in other applications
Abstract:Substantially homogeneous aqueous suspensions of low density microspheres are presented as contrast media for imaging the gastrointestinal tract and other body cavities using computed tomography. In one embodiment, the low density microspheres are gas-filled. With computed tomography, the contrast media serve to change the relative density of certain areas within the gastrointestinal tract and other body cavities, and improve the overall diagnostic efficacy of this imaging method.
Inventor(s): Unger; Evan C. (Tucson, AZ)
Assignee: ImaRx Pharmaceutical Corp. (Tucson, AZ)
Application Number:08/456,738
Patent Claim Types:
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Delivery; Compound; Device; Use;

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International Patent Family for Patent: 5,527,521

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria180794► Subscribe
Austria201217► Subscribe
Australia1428099► Subscribe
Australia1744292► Subscribe
Australia2601395► Subscribe
Australia2645495► Subscribe
Australia3310395► Subscribe
Australia660676► Subscribe
Australia698209► Subscribe
Australia700799► 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
Argus Health
Chinese Patent Office

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