| abstract |
A pharmaceutical composition, comprising one or more pharmaceutically acceptable carriers, excipients and / or diluents and further comprising - a potassium binding polymer, which has acid groups selected from the group consisting of sulfonic (-SO3-), sulfuric groups (-OSO3-), carboxylic (-CO2-), phosphonic (-PO3-), phosphoric (-OPO3-) and sulfamate (-NHSO3-), and - an electron extraction substituent located adjacent to the acid group, in the that the electron extraction substituent is selected from the group consisting of a hydroxyl group, an ether group, an ester group and a halide atom, and - in which the electron extraction substituent is fluorine when the acid group is carboxylic. |