PROBLEM TO BE SOLVED: To provide a controlled release solid preparation which can control the release rate of an active ingredient contained in the preparation and can stably elute the active ingredient even after exposed to accelerated storage conditions.SOLUTION: There are provided the method for producing the controlled release solid preparation comprising a step for coating a substrate containing the active ingredient selected from among generalized active medicines, topical active medicines, sterilizing and hygienic agents, cleansers, flavors and fertilizers with an aqueous dispersion of an effective amount of a plasticized hydrophobic acrylic polymer and a subsequent step for curing the coating at a temperature higher than the glass transition point of the dispersion and the controlled release preparation produced by the method.COPYRIGHT: (C)2012,JPO&INPIT【課題】 固体の放出抑制型製剤として、その中に含まれる活性剤の放出速度を抑制して、加速化された貯蔵条件下に曝した後でも安定した活性剤の溶出を可能とすることにある。【手段】 全身活性治療剤、局所活性治療剤、消毒及び衛生剤、清浄剤、芳香剤及び肥料から選択される活性剤を含有する基質を、有効量の可塑化された疎水性アクリル系ポリマーの水性分散液で被覆した後、該分散液のガラス転移点より高い温度で上記被覆を硬化させることから成る固体の放出制御型製剤の製法及びその放出制御型製剤。
