CN Patent

CN112137981A — 富马酸丙酚替诺福韦片及其制备工艺

Assigned to Chengdu Jingfu Pharmaceutical Technology Co ltd · Expires 2020-12-29 · 5y expired

What this patent protects

本发明公开了富马酸丙酚替诺福韦片及其制备工艺，富马酸丙酚替诺福韦片将以下配方制成1000片富马酸丙酚替诺福韦片，所述配方包括内加配方、外加配方和包衣预混剂：内加配方由以下组分组成：富马酸丙酚替诺福韦25g、乳糖95g、微晶纤维素50g、交联羧甲纤维素钠10g、硬脂酸镁1g、碳酸氢钠0.5g和依地酸二钠0.5g；外加配方由以下组分组成：微晶纤维素10g、交联羧甲纤维素钠4g、硬脂酸镁2g和碳酸氢钠1g；包衣预混剂8g。本发明通过同时对内加配方和外加配方进行改进，从内到外双重稳定作用，提高了富马酸丙酚替诺福韦片的稳定性。

USPTO Abstract

本发明公开了富马酸丙酚替诺福韦片及其制备工艺，富马酸丙酚替诺福韦片将以下配方制成1000片富马酸丙酚替诺福韦片，所述配方包括内加配方、外加配方和包衣预混剂：内加配方由以下组分组成：富马酸丙酚替诺福韦25g、乳糖95g、微晶纤维素50g、交联羧甲纤维素钠10g、硬脂酸镁1g、碳酸氢钠0.5g和依地酸二钠0.5g；外加配方由以下组分组成：微晶纤维素10g、交联羧甲纤维素钠4g、硬脂酸镁2g和碳酸氢钠1g；包衣预混剂8g。本发明通过同时对内加配方和外加配方进行改进，从内到外双重稳定作用，提高了富马酸丙酚替诺福韦片的稳定性。

Drugs covered by this patent

Patent Metadata

Patent number
CN112137981A
Jurisdiction
CN
Classification
—
Expires
2020-12-29
Drug substance claim
No
Drug product claim
No
Assignee
Chengdu Jingfu Pharmaceutical Technology 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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.