CN116239569B — 一种半琥珀酸拉司米地坦晶型及其制备方法
Assigned to Shandong New Time Pharmaceutical Co Ltd · Expires 2025-11-21 · 0y expired
What this patent protects
本发明属于晶型药物分子技术领域,具体涉及一种半琥珀酸拉司米地坦晶型及其制备方法。本发明提供的半琥珀酸拉司米地坦晶型使用Cu‑Kα辐射,以2θ表示的X射线衍射谱图在4.96±0.2°,9.91±0.2°,18.48±0.2°,19.87±0.2°,21.05±0.2°处有特征峰,晶型理化性质优良,纯度高、稳定性好,溶解度高,生物利用度高,有助于提高临床疗效,且制备方法简单高效,适于工业化生产。
USPTO Abstract
本发明属于晶型药物分子技术领域,具体涉及一种半琥珀酸拉司米地坦晶型及其制备方法。本发明提供的半琥珀酸拉司米地坦晶型使用Cu‑Kα辐射,以2θ表示的X射线衍射谱图在4.96±0.2°,9.91±0.2°,18.48±0.2°,19.87±0.2°,21.05±0.2°处有特征峰,晶型理化性质优良,纯度高、稳定性好,溶解度高,生物利用度高,有助于提高临床疗效,且制备方法简单高效,适于工业化生产。
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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