Last Updated: May 11, 2026

Details for Patent: 7,556,799

Name: Drug Patent Intelligence for US Patent 7556799
Creator: DrugPatentWatch
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Summary for Patent: 7,556,799

Title:	Ion binding polymers and uses thereof
Abstract:	The present invention provides methods and compositions for the treatment of ion imbalances. In particular, the invention provides compositions comprising potassium binding polymers and pharmaceutical compositions thereof. Methods of use of the polymeric and pharmaceutical compositions for therapeutic and/or prophylactic benefits are disclosed herein. Examples of these methods include the treatment of hyperkalemia, such as hyperkalemia caused by renal failure and/or the use of hyperkalemia causing drugs.
Inventor(s):	Dominique Charmot, Han Ting Chang, Gerrit Klaerner, Michael J. Cope, Mingjun Liu, Futian Liu, Jerry M. Buysse
Assignee:	IIYPSA Inc , Vifor International AG
Application Number:	US11/096,209
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 7,556,799
Patent Claim Types: see list of patent claims	Use; Composition; Dosage form;

Drugs Protected by US Patent 7,556,799

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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 7,556,799

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	1732523	⤷ Start Trial	300924	Netherlands	⤷ Start Trial
European Patent Office	2269589	⤷ Start Trial	CA 2018 00003	Denmark	⤷ Start Trial
European Patent Office	1732523	⤷ Start Trial	300925	Netherlands	⤷ Start Trial
European Patent Office	1732523	⤷ Start Trial	122018000011	Germany	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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