CN Patent

CN112704668B — 一种盐酸普拉克索缓释组合物

Assigned to CSPC Zhongqi Pharmaceutical Technology Shijiazhuang Co Ltd · Expires 2022-09-30 · 4y expired

What this patent protects

本发明提供了一种盐酸普拉克索缓释组合物及其制备方法，所述组合物制备的片剂能够在低转速和高转速下均具有稳定相似的释放行为，溶出差异小，不受胃肠道机械应力的影响，并且通过控制原料粒度使片剂含量均匀度明显改善，可有效避免因不同患者的生理差异导致的生物利用度问题。

USPTO Abstract

本发明提供了一种盐酸普拉克索缓释组合物及其制备方法，所述组合物制备的片剂能够在低转速和高转速下均具有稳定相似的释放行为，溶出差异小，不受胃肠道机械应力的影响，并且通过控制原料粒度使片剂含量均匀度明显改善，可有效避免因不同患者的生理差异导致的生物利用度问题。

Drugs covered by this patent

Patent Metadata

Patent number
CN112704668B
Jurisdiction
CN
Classification
—
Expires
2022-09-30
Drug substance claim
No
Drug product claim
No
Assignee
CSPC Zhongqi Pharmaceutical Technology Shijiazhuang 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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