CN Patent

CN112137957B — 一种药用吸入气雾剂及其制备方法

Assigned to CF PHARMTECH Inc · Expires 2022-07-29 · 4y expired

What this patent protects

一种药用吸入气雾剂及其制备方法，用于提高格隆溴铵/茚达特罗吸入气雾剂中格隆溴铵的有效部位沉积率，并改善格隆溴铵与茚达特罗的共沉积度，通过该方法制备得到的格隆溴铵/茚达特罗复方吸入气雾剂中格隆溴铵的有效部位沉积率显著改善，并且格隆溴铵与茚达特罗的共沉积度高。制备的吸入气雾剂携带方便，价格低廉，比起吸入粉雾剂患者用药依从性高，比起雾化剂应用人群更为广泛。

USPTO Abstract

一种药用吸入气雾剂及其制备方法，用于提高格隆溴铵/茚达特罗吸入气雾剂中格隆溴铵的有效部位沉积率，并改善格隆溴铵与茚达特罗的共沉积度，通过该方法制备得到的格隆溴铵/茚达特罗复方吸入气雾剂中格隆溴铵的有效部位沉积率显著改善，并且格隆溴铵与茚达特罗的共沉积度高。制备的吸入气雾剂携带方便，价格低廉，比起吸入粉雾剂患者用药依从性高，比起雾化剂应用人群更为广泛。

Drugs covered by this patent

Patent Metadata

Patent number: CN112137957B
Jurisdiction: CN
Classification: —
Expires: 2022-07-29
Drug substance claim: No
Drug product claim: No
Assignee: CF PHARMTECH Inc
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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