CN Patent

CN111000818A — 一种雷诺嗪组合物及其制备方法

Assigned to Dongguan Dongyangguang Generic Research And Development Co Ltd · Expires 2020-04-14 · 6y expired

What this patent protects

本发明涉及一种雷诺嗪组合物及其制备方法,属于药物制剂领域。所述组合物,包括雷诺嗪、直压型硅化微晶纤维素、海藻酸钠或/和羧甲基纤维素钠,以及一种或多种赋形剂,所述雷诺嗪在处方中含量为65%‑85%(W/W),所述海藻酸钠在处方中含量为2%‑15%(W/W),所述羧甲基纤维素钠在处方中含量为2%‑15%(W/W),所述直压型硅化微晶纤维素在处方中含量为3%‑19%(W/W),所述组合物的制备工艺为粉末直压工艺。采用本发明制备的雷诺嗪缓释片,成本低、工艺简单,能大大减少患者的治疗费用。

USPTO Abstract

本发明涉及一种雷诺嗪组合物及其制备方法,属于药物制剂领域。所述组合物,包括雷诺嗪、直压型硅化微晶纤维素、海藻酸钠或/和羧甲基纤维素钠,以及一种或多种赋形剂,所述雷诺嗪在处方中含量为65%‑85%(W/W),所述海藻酸钠在处方中含量为2%‑15%(W/W),所述羧甲基纤维素钠在处方中含量为2%‑15%(W/W),所述直压型硅化微晶纤维素在处方中含量为3%‑19%(W/W),所述组合物的制备工艺为粉末直压工艺。采用本发明制备的雷诺嗪缓释片,成本低、工艺简单,能大大减少患者的治疗费用。

Drugs covered by this patent

Patent Metadata

Patent number
CN111000818A
Jurisdiction
CN
Classification
Expires
2020-04-14
Drug substance claim
No
Drug product claim
No
Assignee
Dongguan Dongyangguang Generic Research And Development 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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