申请人:WARNER-LAMBERT COMPANY
公开号:EP0477135A1
公开(公告)日:1992-03-25
The present invention pertains to a chewable spheroidal coated microcapsule under about 850 microns in diameter which comprises at least one spray congealed spheroidal microcapsule core under about 200 microns in diameter, a first wax spray coating layer over the core, and a second oil coating layer over the first coated core, wherein the coated microcapsule comprises (A) a microcapsule core comprising, in percentages by weight of the microcapsule core (a) a medicament present in an amount from about 1% to about 40%, (b) an edible material having a melting point from about 25°C. to about 100°C. selected from the group consisting of (i) fatty acids having an iodine value from about 1 to about 10, (ii) natural waxes, (iii) synthetic waxes, and (iv) mixtures thereof, present in an amount from about 9.5% to about 98.5%, (c) an emulsifying agent present in an amount from about 0.5% to about 20%, (B) a first wax spray coating layer over the microcapsule core comprising, in percentages by weight of the first coating layer (a) an edible material having a melting point from about 25°C. to about 100°C. selected from the group consisting of (i) fatty acids having an iodine value from about 1 to about 10, (ii) natural waxes, (iii) synthetic waxes, and (iv) mixtures thereof, present in an amount from about 60% to about 99.5%, (b) an emulsifying agent present in an amount from about 0.5% to about 20%, and (C) a second oil coating layer over the first coated microcapsule core comprising an edible vegetable oil having a melting point in the range from about 25°C. to about 90°C.
本发明涉及一种直径小于约850微米的可咀嚼球形包衣微胶囊,它包括至少一个直径小于约200微米的喷雾凝固球形微胶囊芯,在该芯上有第一喷蜡包衣层,以及在第一包衣芯上有第二喷油包衣层、其中包衣微胶囊包括 (A) 微胶囊芯,以微胶囊芯的重量百分比计 (a) 药物,其含量从约1%到约40%; (b) 可食用材料,其熔点从约25°C.至约 100°C.的可食用材料,选自以下组别:(i) 碘值在约 1 至约 10 之间的脂肪酸;(ii) 天然蜡;(iii) 合成蜡;(iv) 它们的混合物,含量在约 9.(B) 微胶囊芯上的第一喷蜡涂层,以第一涂层的重量百分比计包括 (a) 一种可食用材料,其熔点为约 25°C 至约 100°C。(b) 一种乳化剂,含量约为 0.5%至约 20%;以及 (C) 覆盖在第一涂层微胶囊芯上的第二油涂层层,包括熔点在约 25°C 至约 90°C 范围内的可食用植物油。