发明名称 |
MICROPARTICLES AND PHARMACEUTICAL COMPOSITIONS THEREOF |
摘要 |
A microparticle, comprising an agglomerate of a hydrophilic active substance containing particle, which particle comprises an amphiphilic polymer composed of a hydrophobic segment of poly (hydroxy acid) and a hydrophilic segment of polysaccharides or polyethylene glycol, and a hydrophilic active substance, is characterized by an efficient inclusion of the hydrophilic active substance, and a release of the hydrophilic active substance at an appropriate speed in the human body, and is hence very useful as a DDS pharmaceutical preparation. |
申请公布号 |
EP2251006(A4) |
申请公布日期 |
2013.07.10 |
申请号 |
EP20090713553 |
申请日期 |
2009.02.20 |
申请人 |
TORAY INDUSTRIES, INC. |
发明人 |
KAKIZAWA, YOSHINORI;NISHIO, REIJI;MICHIZOE, JUNJI;KOIWA, MASAKAZU;IDA, NOBUO;HIRANO, TAISUKE;KOSHI, YOICHIRO |
分类号 |
A61K9/52;A61K38/27;A61K38/28;A61K47/34;A61K47/36;A61P3/10;A61P5/00 |
主分类号 |
A61K9/52 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|