CN Patent

CN117838643A — 一种吡拉西坦片及其制备方法

Assigned to Linuo Pharmaceutical Co ltd · Expires 2024-04-09 · 2y expired

What this patent protects

本发明提供了一种吡拉西坦片及其制备方法，包括吡拉西坦和辅料，吡拉西坦与辅料的重量比为90‑97:3‑10；辅料包括崩解剂、助流剂和润滑剂；其制备方法包括吡拉西坦粉碎、预混、干法制粒、总混、压片和包衣；与现有湿法制粒相比，无需溶媒的介入，无需湿润、干燥等工序，工艺链条较短，使用设备较少，节约能耗，工艺简单，周期较短且成本更低廉，易于批量化生产。

USPTO Abstract

本发明提供了一种吡拉西坦片及其制备方法，包括吡拉西坦和辅料，吡拉西坦与辅料的重量比为90‑97:3‑10；辅料包括崩解剂、助流剂和润滑剂；其制备方法包括吡拉西坦粉碎、预混、干法制粒、总混、压片和包衣；与现有湿法制粒相比，无需溶媒的介入，无需湿润、干燥等工序，工艺链条较短，使用设备较少，节约能耗，工艺简单，周期较短且成本更低廉，易于批量化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN117838643A
Jurisdiction
CN
Classification
—
Expires
2024-04-09
Drug substance claim
No
Drug product claim
No
Assignee
Linuo Pharmaceutical 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.