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    • 3. 发明授权
    • Production of pulverulent coating compositions for stable protective coatings for pharmaceutical dosage forms
    • 生产用于药物剂型的稳定保护性涂料的粉末涂料组合物
    • US08865250B2
    • 2014-10-21
    • US13406626
    • 2012-02-28
    • Karl KolterMaximilian AngelBernhard Linner
    • Karl KolterMaximilian AngelBernhard Linner
    • A61K9/28A61K47/32C09D5/03
    • A61K47/32A61K9/2846C09D5/03
    • Described are processes for producing pulverulent coating compositions comprising providing an aqueous polymer dispersion comprising i) as component A a polymer obtained by radical polymerization of a) N,N-diethylaminoethyl methacrylate, and b) at least one radically polymerizable compound selected from esters of α,β-ethylenically unsaturated mono- and dicarboxylic acids with C1-C8-alkanols; and spray processing the aqueous polymer dispersion in the presence of a drying gas to provide a powder, wherein the entry temperature of the drying gas into the spraying apparatus is at least 20° C. above the glass transition temperature and is at least 20° C. above the minimum film-forming temperature of the polymer and the exit temperature of the drying gas from the spraying apparatus is kept at 40 to 85° C.
    • 描述了制备粉状涂料组合物的方法,其包括提供含水聚合物分散体,其包含i)作为组分A的是通过a)N,N-二乙基氨基乙基甲基丙烯酸酯的自由基聚合获得的聚合物,和b)至少一种可自由基聚合的化合物,其选自α ,烯键式不饱和单羧酸和二羧酸与C 1 -C 8 - 链烷醇; 并在干燥气体存在下对聚合物水分散体进行喷雾处理以提供粉末,其中干燥气体进入喷涂装置的入口温度高于玻璃化转变温度至少20℃,并且至少为20℃ 高于聚合物的最低成膜温度和来自喷涂装置的干燥气体的出口温度保持在40至85℃。
    • 4. 发明申请
    • Production Of Pulverulent Coating Compositions For Stable Protective Coatings For Pharmaceutical Dosage Forms
    • 生产用于药物剂型的稳定保护涂层的粉末涂料组合物
    • US20120219694A1
    • 2012-08-30
    • US13406626
    • 2012-02-28
    • Karl KolterMaximilian AngelBernhard Linner
    • Karl KolterMaximilian AngelBernhard Linner
    • B05D5/00F26B3/02
    • A61K47/32A61K9/2846C09D5/03
    • Described are processes for producing pulverulent coating compositions comprising providing an aqueous polymer dispersion comprising i) as component A a polymer obtained by radical polymerization of a) N,N-diethylaminoethyl methacrylate, and b) at least one radically polymerizable compound selected from esters of α,β-ethylenically unsaturated mono- and dicarboxylic acids with C1-C8-alkanols; and spray processing the aqueous polymer dispersion in the presence of a drying gas to provide a powder, wherein the entry temperature of the drying gas into the spraying apparatus is at least 20° C. above the glass transition temperature and is at least 20° C. above the minimum film-forming temperature of the polymer and the exit temperature of the drying gas from the spraying apparatus is kept at 40 to 85° C.
    • 描述了制备粉状涂料组合物的方法,其包括提供含水聚合物分散体,其包含i)作为组分A的是通过a)N,N-二乙基氨基乙基甲基丙烯酸酯的自由基聚合获得的聚合物,和b)至少一种可自由基聚合的化合物,其选自α ,烯键式不饱和单羧酸和二羧酸与C 1 -C 8 - 链烷醇; 并在干燥气体存在下对聚合物水分散体进行喷雾处理以提供粉末,其中干燥气体进入喷涂装置的入口温度高于玻璃化转变温度至少20℃,并且至少为20℃ 高于聚合物的最低成膜温度和来自喷涂装置的干燥气体的出口温度保持在40至85℃。