CN Patent
CN103110584A — 一种噻托溴铵粉雾剂及其制备方法
Assigned to Qingdao University · Expires 2013-05-22 · 13y expired
What this patent protects
本发明公开了一种噻托溴铵粉雾剂,它是将噻托溴铵原料经微粉处理后,通过多级碰撞器NGI处理,分离粒径在1-5μm范围的原料,再与可吸入乳糖混合,装入胶囊,即得。本发明制剂的噻托溴铵原料粒径均在1-5μm范围内,提高了用药安全性和有效性。
USPTO Abstract
本发明公开了一种噻托溴铵粉雾剂,它是将噻托溴铵原料经微粉处理后,通过多级碰撞器NGI处理,分离粒径在1-5μm范围的原料,再与可吸入乳糖混合,装入胶囊,即得。本发明制剂的噻托溴铵原料粒径均在1-5μm范围内,提高了用药安全性和有效性。
Drugs covered by this patent
- Spiriva (TIOTROPIUM BROMIDE) · Boehringer Ingelheim
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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