CN Patent

CN117205186B — 一种雷芬那辛吸入喷雾剂及其制备方法

Assigned to Qilu Pharmaceutical Co Ltd · Expires 2024-08-30 · 2y expired

What this patent protects

本发明涉及一种雷芬那辛吸入喷雾剂及其制备方法，属于药物制剂技术领域。本发明具体提供一种雷芬那辛吸入喷雾剂，所述吸入喷雾剂经喷雾装置雾化后形成的小于5μm的微细粒子的占比不少于10％。本发明的雷芬那辛吸入喷雾剂，由雷芬那辛、pH缓冲剂组成，不含抛射剂。药液通过吸入喷雾剂装置进行雾化给药，喷雾液滴粒度分布均匀，具有给药剂量低，递送效率高，雾化操作简单，刺激性小等优点，适合于临床应用。

USPTO Abstract

本发明涉及一种雷芬那辛吸入喷雾剂及其制备方法，属于药物制剂技术领域。本发明具体提供一种雷芬那辛吸入喷雾剂，所述吸入喷雾剂经喷雾装置雾化后形成的小于5μm的微细粒子的占比不少于10％。本发明的雷芬那辛吸入喷雾剂，由雷芬那辛、pH缓冲剂组成，不含抛射剂。药液通过吸入喷雾剂装置进行雾化给药，喷雾液滴粒度分布均匀，具有给药剂量低，递送效率高，雾化操作简单，刺激性小等优点，适合于临床应用。

Drugs covered by this patent

Patent Metadata

Patent number
CN117205186B
Jurisdiction
CN
Classification
—
Expires
2024-08-30
Drug substance claim
No
Drug product claim
No
Assignee
Qilu 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.

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