• US 20100111891A1
  • Filed: 08/22/2009
  • Published: 05/06/2010
  • Est. Priority Date: 08/22/2008
  • Status: Active Grant
First Claim
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1. A pharmaceutical composition comprising a crosslinked cation exchange polymer salt and from about 10 wt. % to about 40 wt. % of a linear polyol based on the total weight of the composition, the crosslinked cation exchange polymer comprising structural units corresponding to Formulae 1 and 2, Formulae 1 and 3, or Formulae 1, 2, and 3, whereinFormula 1, Formula 2, and Formula 3 are represented by the following structures:

  • whereinR1 and R2 are each independently hydrogen, alkyl, cycloalkyl, or aryl;

    A1 is carboxylic, phosphonic, or phosphoric;

    X1 is arylene; and

    X2 is alkylene, an ether moiety, or an amide moiety.

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