CN Patent

CN101066254A — 一种雷诺嗪缓释微丸

Assigned to BENCAO TIANYUAN PHARMACEUTICAL RESEARCH INST BEIJING · Expires 2007-11-07 · 19y expired

What this patent protects

本发明公开了一种雷诺嗪缓释微丸，包括雷诺嗪和药用辅料，其特征在于它是由5％－30％的丸芯包裹隔离层制备的微丸和70％－95％的丸芯依次包裹隔离层、缓释层、隔离层制备的微丸组成；优选它是由10％的丸芯包裹隔离层制备的微丸和90％的丸芯依次包裹隔离层、缓释层、隔离层制备的微丸组成。释放度测定实验表明，本申请雷诺嗪微丸2小时的释放量为20％－40％，在6小时的释放量为50％－80％，在12小时释放量为大于80％且小于100％。

USPTO Abstract

本发明公开了一种雷诺嗪缓释微丸，包括雷诺嗪和药用辅料，其特征在于它是由5％－30％的丸芯包裹隔离层制备的微丸和70％－95％的丸芯依次包裹隔离层、缓释层、隔离层制备的微丸组成；优选它是由10％的丸芯包裹隔离层制备的微丸和90％的丸芯依次包裹隔离层、缓释层、隔离层制备的微丸组成。释放度测定实验表明，本申请雷诺嗪微丸2小时的释放量为20％－40％，在6小时的释放量为50％－80％，在12小时释放量为大于80％且小于100％。

Drugs covered by this patent

Ranexa (RANOLAZINE) · Menarini Intl

Patent Metadata

Patent number: CN101066254A
Jurisdiction: CN
Classification: —
Expires: 2007-11-07
Drug substance claim: No
Drug product claim: No
Assignee: BENCAO TIANYUAN PHARMACEUTICAL RESEARCH INST BEIJING
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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