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Serving leading biopharmaceutical companies globally:

Accenture
Argus Health
Chinese Patent Office
Teva
Harvard Business School
Covington
Citi
Queensland Health
McKinsey
Express Scripts

Generated: February 22, 2018

DrugPatentWatch Database Preview

Details for Patent: 5,431,900

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Summary for Patent: 5,431,900
Title: Ester-substituted diaminedithiols and radiolabeled complexes thereof
Abstract:Radiopharmaceuticals consisting essentially of a lipophilic, charge neutral radionuclide complex of a diaminedithiol ligand having 1-4 ester groups of the formula --A--COOR where A is a straight or branched chain alkylene of 0-10 carbon atoms and R is an alkyl group of 1-10 carbon atoms are useful in radioimaging brain perfusion in primates. Ester-substituted diaminedithiols in sterile, pharmaceutically acceptable form, and kits of the diaminedithiols and sterile, non-pyrogenic reducing agents for reducing preselected radionuclides are also provided. Technetium-99m is a preferred radionuclide.
Inventor(s): Bergstein; Paul L. (Norwood, MA), Cheesman; Edward H. (Townsend, MA), Watson; Alan D. (Andover, MA)
Assignee: The Du Pont Merck Pharmaceutical Company (Wilmington, DE)
Application Number:08/139,894
Patent Claim Types:
see list of patent claims
Compound; Device;

Drugs Protected by US Patent 5,431,900

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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International Patents Family Members for US Patent 5,431,900

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 76401 ➤ Try a Free Trial
Australia 1174888 ➤ Try a Free Trial
Australia 614276 ➤ Try a Free Trial
Canada 1271195 ➤ Try a Free Trial
Germany 19475010 ➤ Try a Free Trial
Germany 3871173 ➤ Try a Free Trial
Denmark 175089 ➤ Try a Free Trial
Denmark 81688 ➤ Try a Free Trial
European Patent Office 0279417 ➤ Try a Free Trial 95C0005 Belgium ➤ Try a Free Trial
Spain 2042609 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Moodys
Farmers Insurance
AstraZeneca
Mallinckrodt
Medtronic
US Department of Justice
Argus Health
Harvard Business School
McKesson

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