Last Updated: May 11, 2026

Details for Patent: 8,926,947


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Summary for Patent: 8,926,947
Title:Polyol and polyether iron oxide complexes as pharmacological and/or MRI contrast agents
Abstract:Iron oxide complexes, pharmacological compositions and unit dosage thereof, and methods for their administration, of the type employing an iron oxide complex with a polyol, are disclosed. The pharmacological compositions employ a polysaccharide iron oxide complex, wherein the polysaccharide is a modified polyol such as a carboxyalkylated reduced dextran. The complex is stable to terminal sterilization by autoclaving. The compositions are suitable for parenteral administration to a subject for the treatment of iron deficiencies or as MRI contrast agent. The complex is substantially immunosilent, provide minimal anaphylaxis and undergo minimal dissolution in vivo. The pharmacological compositions of the complex contain minimal free iron which can be quantified by a variety of methods.
Inventor(s):Ernest V. Groman, Kenneth G. Paul, Timothy B. Frigo, Howard Bengele, Jerome M. Lewis
Assignee: Amag Pharmaceuticals Inc
Application Number:US14/301,757
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,926,947
Patent Claim Types:
see list of patent claims
Use; Formulation;

Drugs Protected by US Patent 8,926,947

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

International Family Members for US Patent 8,926,947

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1169062 ⤷  Start Trial C300558 Netherlands ⤷  Start Trial
European Patent Office 1169062 ⤷  Start Trial CA 2012 00050 Denmark ⤷  Start Trial
European Patent Office 1169062 ⤷  Start Trial 92114 Luxembourg ⤷  Start Trial
European Patent Office 1169062 ⤷  Start Trial C01169062/01 Switzerland ⤷  Start Trial
European Patent Office 1169062 ⤷  Start Trial 1290043-7 Sweden ⤷  Start Trial
European Patent Office 1169062 ⤷  Start Trial 300558 Netherlands ⤷  Start Trial
European Patent Office 1169062 ⤷  Start Trial 2012C/052 Belgium ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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