CN Patent

CN116473971A — 一种含西格列汀的药物组合物的制备方法及包衣片

Assigned to Shanghai Xingweida Pharmaceutical Technology Co.,Ltd. · Expires 2023-07-25 · 3y expired

What this patent protects

本发明涉及医药技术领域,具体涉及一种含西格列汀的药物组合物的制备方法及包衣片。制备方法包括如下步骤:S1.西格列汀、交联羧甲基纤维素钠和微晶纤维素无水磷酸氢钙共处理物混合,5‑10rpm的转速下搅拌15‑25min,得到混合物A;S2.润滑剂过50‑70目筛后,加入混合物A,5‑8rpm的转速下搅拌15‑25min,得混合物B;S3.混合物B放入压片机压片,得到素片;S4.包衣粉预处理后,放入薄膜包衣锅,并放入素片,进行包衣;薄膜包衣锅的转速为4‑8rpm,雾化压力为0.2‑0.3MPa,片床温度40‑47℃,喷量60‑120mL/min。本发明的制备方…

USPTO Abstract

本发明涉及医药技术领域,具体涉及一种含西格列汀的药物组合物的制备方法及包衣片。制备方法包括如下步骤:S1.西格列汀、交联羧甲基纤维素钠和微晶纤维素无水磷酸氢钙共处理物混合,5‑10rpm的转速下搅拌15‑25min,得到混合物A;S2.润滑剂过50‑70目筛后,加入混合物A,5‑8rpm的转速下搅拌15‑25min,得混合物B;S3.混合物B放入压片机压片,得到素片;S4.包衣粉预处理后,放入薄膜包衣锅,并放入素片,进行包衣;薄膜包衣锅的转速为4‑8rpm,雾化压力为0.2‑0.3MPa,片床温度40‑47℃,喷量60‑120mL/min。本发明的制备方法使通过粉末直压法生产的西格列汀片在保持较高硬度,不易碎裂的同时,又具有较快的崩解速度。

Drugs covered by this patent

Patent Metadata

Patent number
CN116473971A
Jurisdiction
CN
Classification
Expires
2023-07-25
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Xingweida Pharmaceutical Technology 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.

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