METHOD FOR PRODUCING COATED PARTICLES

Provided is a means for efficiently producing, through a dry process, multilayered particles having stable properties. This method for producing the multilayered particles comprises a layering step for attaching a polymer, through a dry process, on particles each having a core and a wax layer coveri...

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Bibliographische Detailangaben
Hauptverfasser:	UEMURA, Toshinobu, MORIZANE, Masakazu
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	BABY COMFORTERS CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY DEVICES FOR RECEIVING SPITTLE DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:	Provided is a means for efficiently producing, through a dry process, multilayered particles having stable properties. This method for producing the multilayered particles comprises a layering step for attaching a polymer, through a dry process, on particles each having a core and a wax layer covering the same, the layering step including cracking of the particles. L'invention concerne un moyen de production efficace, par un procédé à sec, de particules multicouches présentant des propriétés stables. Ce procédé de production de particules multicouches comprend une étape de stratification pour fixer un polymère, par un procédé à sec, sur des particules présentant chacune un noyau et une couche de cire le recouvrant, l'étape de stratification comprenant le craquage des particules. 乾式で効率よく、性質が安定した多層粒子を製造する手段を提供すること。コア及びそれを覆うワックス層を有する粒子に乾式でポリマーを付着させるレイアリング工程において、粒子を解砕することを含む、多層粒子の製造方法。