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Generated: May 29, 2017

DrugPatentWatch Database Preview

Details for Patent: 3,863,004

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Summary for Patent: 3,863,004

Abstract:An improved composition suitable for tagging with technetium-99m and use in lung scanning procedures consists essentially of an injectable suspension in buffer solution of particles of a denatured macroprotein having divalent tin bound thereto. The macroprotein has a molecular weight of at least about 20,000. A method for preparing the injectable suspension by treating macroaggregates or microspheres of a denatured macroprotein with a solution containing divalent tin ions is also provided.
Inventor(s): Wolfangel; Robert G. (St. Louis, MO)
Assignee: Mallinckroft Chemical Works (St. Louis, MO)
Application Number:05/236,159
Patent Claim Types:
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Composition; Formulation; Process;

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International Patent Family for Patent: 3,863,004

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia472255► Subscribe
Australia5337573► Subscribe
Belgium796962► Subscribe
Germany2314059► Subscribe
France2182880► Subscribe
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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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