CN Patent

CN104666263B — 一种含有左乙拉西坦的片剂及其制备方法

Assigned to Nanjing Haijingkang Pharmaceutical Technology Co., Ltd. · Expires 2017-07-11 · 9y expired

What this patent protects

本发明属于药物制剂领域，具体涉及一种含有左乙拉西坦的片剂及其制备方法。所述片剂的组分及其重量百分比含量如下：活性成分‑左乙拉西坦88.5～96.7％、崩解剂‑交联聚维酮2～5％、粘合剂‑羟丙甲基纤维素1～5％、润滑剂‑硬脂酸镁0.3～1.5％。所述片剂是通过湿法制粒工艺制备而成的。本发明的片剂，快速崩解，药物释放迅速，并且长期储存及加速试验后溶出度不会下降，患者顺应性好。

USPTO Abstract

本发明属于药物制剂领域，具体涉及一种含有左乙拉西坦的片剂及其制备方法。所述片剂的组分及其重量百分比含量如下：活性成分‑左乙拉西坦88.5～96.7％、崩解剂‑交联聚维酮2～5％、粘合剂‑羟丙甲基纤维素1～5％、润滑剂‑硬脂酸镁0.3～1.5％。所述片剂是通过湿法制粒工艺制备而成的。本发明的片剂，快速崩解，药物释放迅速，并且长期储存及加速试验后溶出度不会下降，患者顺应性好。

Drugs covered by this patent

Patent Metadata

Patent number
CN104666263B
Jurisdiction
CN
Classification
—
Expires
2017-07-11
Drug substance claim
No
Drug product claim
No
Assignee
Nanjing Haijingkang 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.

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