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Generated: December 18, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,885,100

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Summary for Patent: 4,885,100

Title: Tris(isonitrile)copper(I) adducts for preparing radionuclide complexes
Abstract:Tris(isonitrile)copper(I) complex salts with anions selected from BF.sub.4, PF.sub.6, ClO.sub.4, I, Br, Cl and CF.sub.3 COO are useful in preparing radionuclide complexes rapidly at room temperature. Preferred isonitrile ligands are ether isonitriles. The tris(isonitrile)copper(I) adducts enable technetium complexes, such as those of Tc99m, to be prepared easily just prior to their use as imaging agents.
Inventor(s): Iqbal; Tahir (Lowell, MA), Cain, Jr.; John H. (Merrimack, NH), Slosky; Jack J. (Shrewsbury, MA)
Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE)
Application Number:07/095,924
Patent Claim Types:
see list of patent claims
Compound; Device;

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International Patent Family for Patent: 4,885,100

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria117306► Subscribe
Germany3852828► Subscribe
European Patent Office0395695► Subscribe
JapanH03501255► Subscribe
JapanH0653750► Subscribe
Mexico9203600► Subscribe
World Intellectual Property Organization (WIPO)8902433► 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:

Queensland Health
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Boehringer Ingelheim
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Daiichi Sankyo

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