POLYMER AND DOSAGE FORM WITH SUSTAINED RELEASE PROPERTIES AND RESISTANCE AGAINST THE INFLUENCE OF ETHANOL
A polymer is polymerized from a monomer mixture containing (a) 70 to 95% by weight of 2-ethylhexyl methacrylate (EHMA) and ethyl methacrylate (EMA) or 2-ethylhexyl methacrylate (EHMA) and methyl methacrylate (MMA), (b) 2.5 to 25% by weight of one or more C2 to C6 hydroxy-alkyl esters of acrylic acid...
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