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Combinations of Ionic Polymers

Cationic polymers such as dimethylaminoethyl methacrylate copolymer (Eudragit ElOO) and butylated methacrylate copolymer (Eudragit EPO) have been used with acidic drugs (i.e., divalproex sodium) and/or with anionic polymers (i.e., PVAP) for the development of pH-independent release [5,90,132,133]. [Pg.27]

The ER matrices containing a mixtme of anionic XG and cationic LBG with cationic drugs such as metroprolol tartrate [134] or P-HCl (P-HCl) [135] have shown better [Pg.27]

Scheme 29.2 Possible combinations of ionic polymers to constitute a hybrid polymer. Scheme 29.2 Possible combinations of ionic polymers to constitute a hybrid polymer.
See other pages where Combinations of Ionic Polymers is mentioned: [Pg.25]    [Pg.27]   


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