Patent ID: 8889738

Claim:
A method of removing a compound or ion from the gastrointestinal tract of an animal comprising administering to the animal an effective amount of a pharmaceutical composition comprising: a) a copolymer derived from compounds according to the following Formulas I and II: wherein R1 independently represents a hydrogen radical —RNH 2 , —R—N—(R—NH 2 ) 2 or —R—N—(R—N—(R—NH 2 ) 2 ) 2 , wherein R independently represents a branched or unbranched, substituted or unsubstituted alkyl radical, with the proviso that at least one R 1 is not a hydrogen radical; R 2 independently represents a hydrogen radical or a branched or unbranched, substituted or unsubstituted alkyl radical; and b) a pharmaceutically acceptable excipient.