CN Patent

CN116850159B — 一种盐酸左沙丁胺醇雾化吸入溶液组合物及其制备方法

Assigned to Zhejiang Tongwu Biopharmaceutical Co ltd · Expires 2025-08-22 · 1y expired

What this patent protects

本发明提供了一种盐酸左沙丁胺醇雾化吸入溶液组合物及其制备方法，属于药物制剂技术领域。该组合物包含盐酸左沙丁胺醇、共稳定剂、渗透压调节剂、pH调节剂和溶剂，本发明以依地酸二钠、龙胆酸和双乙酸钠为共稳定剂，通过共稳定剂的作用，组合物的稳定性提高，贮存时间延长，且该组合物在不充氮保护下简化了制备工艺，降低了对生产设备的要求，简单易操作、生产成本低。

USPTO Abstract

本发明提供了一种盐酸左沙丁胺醇雾化吸入溶液组合物及其制备方法，属于药物制剂技术领域。该组合物包含盐酸左沙丁胺醇、共稳定剂、渗透压调节剂、pH调节剂和溶剂，本发明以依地酸二钠、龙胆酸和双乙酸钠为共稳定剂，通过共稳定剂的作用，组合物的稳定性提高，贮存时间延长，且该组合物在不充氮保护下简化了制备工艺，降低了对生产设备的要求，简单易操作、生产成本低。

Drugs covered by this patent

Patent Metadata

Patent number
CN116850159B
Jurisdiction
CN
Classification
—
Expires
2025-08-22
Drug substance claim
No
Drug product claim
No
Assignee
Zhejiang Tongwu Biopharmaceutical 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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