Last Updated: November 8, 2026

Details for Patent: 6,858,203

Name: Drug Patent Intelligence for US Patent 6858203
Creator: DrugPatentWatch
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Summary for Patent: 6,858,203

Title:	Method of making phosphate-binding polymers for oral administration
Abstract:	Phosphate-binding polymers are provided for removing phosphate from the gastrointestinal tract. The polymers are orally administered, and are useful for the treatment of hyperphosphatemia.
Inventor(s):	Stephen Randall Holmes-Farley, W. Harry Mandeville, III, George M. Whitesides
Assignee:	Genzyme Corp
Application Number:	US10/322,904
Patent Claim Types: see list of patent claims	Use; Composition;

Drugs Protected by US Patent 6,858,203

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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 6,858,203

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0716606	⤷ Start Trial	CA 2002 00003	Denmark	⤷ Start Trial
European Patent Office	0716606	⤷ Start Trial	SPC/GB02/011 200210	United Kingdom	⤷ Start Trial
European Patent Office	0716606	⤷ Start Trial	SPC004/2002	Ireland	⤷ Start Trial
European Patent Office	0716606	⤷ Start Trial	C00716606/01	Switzerland	⤷ Start Trial
European Patent Office	0716606	⤷ Start Trial	CA 2009 00048	Denmark	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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