CN Patent

CN103784401A — 一种治疗呼吸道疾病的溶液型定量吸入气雾剂及制备方法

Assigned to HANGZHOU ZIJIN PHARMACEUTICAL Co Ltd · Expires 2014-05-14 · 12y expired

What this patent protects

本发明公开了一种溶液型格隆溴铵或其衍生物的定量吸入气雾剂和制备方法，含有主药、潜溶剂、表面活性剂、抛射剂。该气雾剂细微粒子分数（FPF）高，在长期留样条件和加速条件下放置稳定性好，FPF没有明显变化、药效学试验结果显示起效快，可用于治疗支气管哮喘和慢性阻塞性肺病，具有良好的抗气道炎症、气道纤维化和气道重塑作用。

USPTO Abstract

本发明公开了一种溶液型格隆溴铵或其衍生物的定量吸入气雾剂和制备方法，含有主药、潜溶剂、表面活性剂、抛射剂。该气雾剂细微粒子分数（FPF）高，在长期留样条件和加速条件下放置稳定性好，FPF没有明显变化、药效学试验结果显示起效快，可用于治疗支气管哮喘和慢性阻塞性肺病，具有良好的抗气道炎症、气道纤维化和气道重塑作用。

Drugs covered by this patent

Patent Metadata

Patent number
CN103784401A
Jurisdiction
CN
Classification
—
Expires
2014-05-14
Drug substance claim
No
Drug product claim
No
Assignee
HANGZHOU ZIJIN 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.