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Details for Patent: 6,528,039

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Summary for Patent: 6,528,039

Title: Low density microspheres 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: Bristol-Myers Squibb Medical Imaging, Inc. (Princeton, NJ)
Application Number:08/878,233
Patent Claim Types:
see list of patent claims
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 379th percentile
Forward Citations: 6th percentile

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Premature patent expiration for: 6,528,039

Expiration due to failure to pay maintenance fee

Patent Number Expiration Date
6,528,039 March 04, 2015

International Patent Family for Patent: 6,528,039

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia700799<disabled in preview>
Australia709471<disabled in preview>
Australia740155<disabled in preview>
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
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