PREPARATION OF AQUEOUS ALCOHOLIC DISPERSIONS OF PH SENSITIVE POLYMERS AND PLASTICIZING AGENTS AND A METHOD OF ENTERIC COATING DOSAGE FORMS USING SAME

摘要

TITLE OF THE INVENTION PREPARATION OF AQUEOUS ALCOHOLIC DISPERSIONS OF pH SENSITIVE POLYMERS AND PLASTICIZING AGENTS AND A METHOD OF ENTERIC COATING DOSAGE FORMS USING SAME. An enteric coating medium for solid medicinal dosage units is prepared by precipitation of a pH sensitive polymer from an alcoholic solution of such a polymer and a plasticizing agent to produce a suspension of fine particles of a mixture of polymer and plasticizing agent.