CN105267153B — 一种曲普瑞林缓释微粒及其制备方法
Assigned to Shanghai Soho Yiming Pharmaceuticals Co Ltd · Expires 2018-05-11 · 8y expired
What this patent protects
本发明涉及药物缓释微粒,具体涉及一种曲普瑞林缓释微粒及其制备方法。包括以下重量百分比的组分:曲普瑞林0.5%~20%、PLGA79%~99%、泊洛沙姆0.1%~1%。本发明上述曲普瑞林缓释微粒的制备方法,将各组分混合后送入热熔挤出机,在热熔挤出机内进行加热熔融、挤出、低温粉碎。本发明普瑞林缓释微粒形态良好,微粒包封率高、载药量良好、释放稳定。合成工艺简单,自身无毒害,降解以后产物无毒,质量稳定。
USPTO Abstract
本发明涉及药物缓释微粒,具体涉及一种曲普瑞林缓释微粒及其制备方法。包括以下重量百分比的组分:曲普瑞林0.5%~20%、PLGA79%~99%、泊洛沙姆0.1%~1%。本发明上述曲普瑞林缓释微粒的制备方法,将各组分混合后送入热熔挤出机,在热熔挤出机内进行加热熔融、挤出、低温粉碎。本发明普瑞林缓释微粒形态良好,微粒包封率高、载药量良好、释放稳定。合成工艺简单,自身无毒害,降解以后产物无毒,质量稳定。
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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