| 发明名称 | Aqueous composition | ||
| 摘要 | Disclosed is an aqueous composition containing (a) an ethyl acrylate/methyl methacrylate copolymer or a plasticized vinyl accetate polymer, (b) an ethyl cellulose, (c) a water soluble additive for pharmaceutical products, (d) titanium oxide and (c) water. The solid content mass ratio among the components (a), (b), (c) and (d), namely a:b:c:d is 100:(5-50):(1-50):(0.5-10), and the solid content concentration in the aqueous composition is 0.5-40% by mass. | ||
| 申请公布号 | US8765187(B2) | 申请公布日期 | 2014.07.01 |
| 申请号 | US200812663961 | 申请日期 | 2008.07.16 |
| 申请人 | Asahi Kasei Chemicals Corporation | 发明人 | Yaginuma Yoshihito;Yoshida Naoya |
| 分类号 | A61K9/32;A61K47/38;A61K9/14 | 主分类号 | A61K9/32 |
| 代理机构 | Greenblum & Bernstein, P.L.C. | 代理人 | Greenblum & Bernstein, P.L.C. |
| 主权项 | 1. Film-coated granules comprising elementary granules of an average particle diameter of 300 μm or less comprising crystalline cellulose spherical core particles and a drug, and a single film layer that coats the elementary granules formed with an aqueous composition comprising (a) an ethyl acrylate and methyl methacrylate copolymer or a plasticized vinyl acetate polymer, (b) an ethyl cellulose, (c) a water-soluble additive for pharmaceutical products, (d) titanium oxide and (e) water, wherein the solid content mass ratio among the components (a), (b), (c) and (d), a:b:c:d, is 100:(5-50):(1-50):(0.5-10), and the solid content concentration of the aqueous composition is 0.5% to 40% by mass. | ||
| 地址 | Tokyo JP | ||