Linear polyol stabilized polyfluoroacrylate compositions

US8337824B2 · kind B2 · utility

Assignee

• Relypsa, Inc. · US

Inventors

• Detlef Albrecht · Griesheim, DE
• Michael Burdick · Los Altos, US
• Han-Ting Chang · Livermore, US
• Dominique Charmot · Campbell, US
• Ramakrishnan Chidambaram · Pennington, US
• Eric Connor · Los Gatos, US
• Sherin Halfon · Palo Alto, US
• I-Zu Huang · Mountain View, US
• Mingjun Liu · Campbell, US
• Jonathan Mills · San Jose, US
• Werner Struver · Leverkusen, DE

Key dates

• Filing date: Aug 22, 2009
• Grant date: Dec 25, 2012
• Expiry date: May 27, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/053
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention is directed to compositions of a linear polyol and a salt of a crosslinked cation exchange polymer comprising a fluoro group and an acid group. These compositions are useful to bind potassium in the gastrointestinal tract.