Patent assignee · US · COMPANY

Relypsa, Inc.

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32Patents
26Active
32Granted
51Portfolio score

Filing activity: Mar 30, 2004 → Oct 6, 2016 · 13 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7488495B2 Ion binding polymers and uses thereof Human Necessities 23 Expired
US8192758B2 Ion binding compositions Human Necessities 16 Active
US7854924B2 Methods and compositions for treatment of ion imbalances Human Necessities 16 Expired
US8282960B2 Ion binding compositions Human Necessities 16 Expired
US8445014B2 Ion binding compositions Chemistry; Metallurgy 16 Active
US8586097B2 Methods for preparing core-shell composites having cross-linked shells and core-shell composites resulting therefrom Human Necessities 13 Active
US7556799B2 Ion binding polymers and uses thereof Human Necessities 10 Expired
US8147873B2 Methods and compositions for treatment of ion imbalances Human Necessities 8 Active
US8475780B2 Ion binding polymers and uses thereof Chemistry; Metallurgy 7 Active
US8287847B2 Ion binding polymers and uses thereof Chemistry; Metallurgy 7 Active
US7429394B2 Ion binding compositions Human Necessities 7 Expired
US8282913B2 Ion binding polymers and uses thereof Chemistry; Metallurgy 7 Active
US8216560B2 Ion binding polymers and uses thereof Chemistry; Metallurgy 7 Active
US8337824B2 Linear polyol stabilized polyfluoroacrylate compositions Chemistry; Metallurgy 6 Active
US7776319B2 Methods and compositions for treatment of ion imbalances Chemistry; Metallurgy 5 Expired
US8889115B2 Ion binding polymers and uses thereof Chemistry; Metallurgy 4 Active
US9061990B2 Fluorination of acrylate esters and derivatives Chemistry; Metallurgy 4 Active
US8778324B2 Ion binding polymers and uses thereof Chemistry; Metallurgy 4 Active
US8409561B2 Methods and compositions for treatment of ion imbalances Chemistry; Metallurgy 3 Active
US9453092B2 Process for converting a polymeric ester to a polymeric acid Chemistry; Metallurgy 3 Active
US10272103B2 Crosslinked polyvinylamine, polyallylamine, and polyethyleneimine for use as bile acid sequestrants Chemistry; Metallurgy 2 Active
US9301974B2 Methods and compositions for selectively removing potassium ion from the gastrointestinal tract of a mammal Human Necessities 2 Active
US9464040B2 Fluorination of acrylate esters and derivatives Chemistry; Metallurgy 2 Active
US9181364B2 Crosslinked polyvinylamine, polyallylamine, and polyethyleneimine for use as bile acid sequestrants Chemistry; Metallurgy 2 Active
US9655920B2 Amine polymers for use as bile acid sequestrants Chemistry; Metallurgy 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.