CN Patent

CN112168794A — 一种布瑞哌唑片的制备方法

Assigned to Zhejiang Nord Pharmaceutical Co ltd · Expires 2021-01-05 · 5y expired

What this patent protects

本发明公开了布瑞哌唑片的制备方法，属于药物制剂领域。是以布瑞哌唑固体分散体颗粒与辅料直接压片而成，所述的布瑞哌唑固体分散体颗粒按如下方法制备而成：将枸橼酸钾、山梨醇和布瑞哌唑在热熔挤出机中加热熔融，将熔融物挤出制粒，布瑞哌唑与枸橼酸钾的重量比为1:0.5‑2，布瑞哌唑与山梨醇的重量比为1:1‑5。本发明增加了布瑞哌唑体外溶出度。

USPTO Abstract

本发明公开了布瑞哌唑片的制备方法，属于药物制剂领域。是以布瑞哌唑固体分散体颗粒与辅料直接压片而成，所述的布瑞哌唑固体分散体颗粒按如下方法制备而成：将枸橼酸钾、山梨醇和布瑞哌唑在热熔挤出机中加热熔融，将熔融物挤出制粒，布瑞哌唑与枸橼酸钾的重量比为1:0.5‑2，布瑞哌唑与山梨醇的重量比为1:1‑5。本发明增加了布瑞哌唑体外溶出度。

Drugs covered by this patent

Patent Metadata

Patent number
CN112168794A
Jurisdiction
CN
Classification
—
Expires
2021-01-05
Drug substance claim
No
Drug product claim
No
Assignee
Zhejiang Nord 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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