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Details for Patent: 5,508,020

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Summary for Patent: 5,508,020

Title: Technetium-99M labeled peptides for imaging
Abstract:This invention relates to radiolabeled peptides and methods for producing such peptides. Specifically, the invention relates to peptides, methods and kits for making such peptides, and methods for using such peptides to image sites in a mammalian body labeled with technetium-99m (Tc-99m) via Tc-99m binding moieties. In particular, the peptide reagents of the invention are covalently linked to a polyvalent linker moiety, so that the polyvalent linker moiety is covalently linked to a multiplicity of the specific-binding peptides, and the Tc-99m binding moieties are covalently linked to a plurality of the specific-binding peptides, the polyvalent linker moiety, or to both the specific-binding peptides and the polyvalent linker moiety.
Inventor(s): Dean; Richard T. (Bedford, NH), Lister-James; John (Bedford, NH)
Assignee: Diatech, Inc. (Londonderry, NH)
Application Number:07/893,981
Patent Claim Types:
see list of patent claims
Composition; Compound;

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International Patent Family for Patent: 5,508,020

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria152918► subscribe
Austria222264► subscribe
Australia4528793► 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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