CN Patent

CN104116715A — 一种高载药量的奥卡西平缓释颗粒剂及其制备方法

Assigned to Shanghai Aucta Pharmaceuticals Co Ltd · Expires 2014-10-29 · 12y expired

What this patent protects

本发明属于医药科技领域,具体为一种高载药量的奥卡西平缓释颗粒剂及其制备方法。本发明提供的奥卡西平缓释颗粒剂,由奥卡西平和辅料经过挤出滚圆工艺或热熔挤出工艺制备成高载药量的奥卡西平速释丸芯,然后经过流化床包衣技术涂布隔离衣层和缓释衣层(总称为包衣层)而得到。该奥卡西平缓释颗粒剂具有奥卡西平缓释片相似的体外释放曲线。本发明制备的奥卡西平缓释颗粒剂具有载药量高、释放稳定、粒度均匀、稳定性好等优点,并极大地提高了患者服用顺应性,主要用于治疗儿童,老人或有吞咽困难病人癫痫病的发作。

USPTO Abstract

本发明属于医药科技领域,具体为一种高载药量的奥卡西平缓释颗粒剂及其制备方法。本发明提供的奥卡西平缓释颗粒剂,由奥卡西平和辅料经过挤出滚圆工艺或热熔挤出工艺制备成高载药量的奥卡西平速释丸芯,然后经过流化床包衣技术涂布隔离衣层和缓释衣层(总称为包衣层)而得到。该奥卡西平缓释颗粒剂具有奥卡西平缓释片相似的体外释放曲线。本发明制备的奥卡西平缓释颗粒剂具有载药量高、释放稳定、粒度均匀、稳定性好等优点,并极大地提高了患者服用顺应性,主要用于治疗儿童,老人或有吞咽困难病人癫痫病的发作。

Drugs covered by this patent

Patent Metadata

Patent number
CN104116715A
Jurisdiction
CN
Classification
Expires
2014-10-29
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Aucta Pharmaceuticals Co Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.