CN Patent

CN104188941B — 一种制备盐酸克仑特罗吸入粉雾剂的方法

Assigned to CHONGQING HEPING PHARMACEUTICAL Co Ltd · Expires 2016-11-16 · 10y expired

What this patent protects

本发明公开了一种制备盐酸克仑特罗吸入粉雾剂的方法，该方法先将一部分盐酸克仑特罗，按递加稀释法与200目乳糖或甘露醇充分混合，过60目筛,混合均匀；再将另一部分盐酸克仑特罗，按递加稀释法与60目乳糖或甘露醇充分混合，然后再总混，装入3号胶囊中即得盐酸克仑特罗吸入粉雾剂。该方法改善了现有技术的休止角、含量均匀度和沉积率等质量参数。

USPTO Abstract

本发明公开了一种制备盐酸克仑特罗吸入粉雾剂的方法，该方法先将一部分盐酸克仑特罗，按递加稀释法与200目乳糖或甘露醇充分混合，过60目筛,混合均匀；再将另一部分盐酸克仑特罗，按递加稀释法与60目乳糖或甘露醇充分混合，然后再总混，装入3号胶囊中即得盐酸克仑特罗吸入粉雾剂。该方法改善了现有技术的休止角、含量均匀度和沉积率等质量参数。

Drugs covered by this patent

Patent Metadata

Patent number: CN104188941B
Jurisdiction: CN
Classification: —
Expires: 2016-11-16
Drug substance claim: No
Drug product claim: No
Assignee: CHONGQING HEPING 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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