Patent ID: 6284803
Filing Date: 2001-09-04
Classification: A61K

Abstract:
A solid dosage form comprising at least one polymeric binder, and at least one active ingredient wherein the polymeric binder consists essentially of copolymerization units ofa) 30-65% by weight of at least one N-vinyllactam of the formula I ##STR2##in which n is 1,2, or 3,b) 20-55% by weight of methyl methacrylate,c) 15-50% by weight of at least one other monomer selected from vinyl esters of aliphatic C.sub.1 -C.sub.22 -carboxylic acids, esters of .alpha., .beta.-ethylenically unsaturated C.sub.3 -C.sub.8 -mono- and dicarboxylic acids wight C.sub.1 -C.sub.8 -alkanols, C.sub.1 -C.sub.4 -diols or di-(C.sub.1 -C.sub.4 -alkyamino-C.sub.1 -C.sub.4 -alkanols, amides, nitrites, and cyclic anhydrides of the carboxylic acids, andd) 0-5% by weight of at least on .alpha., .beta.-ethylenically unsaturated acid selected from C.sub.3 -C.sub.8 -mono- and -dicarboxylic acids, noncyclic anhydrides of these carboxylic acids, monoesters of the C.sub.3 -C.sub.8 -dicarboxylic acids, .alpha., .beta.-ethylenically unsaturated sulfonic acids and the salts or quaternized products thereof.