CN Patent

CN116270491A — 一种醋酸亮丙瑞林缓释微球及其制备方法

Assigned to Beijing Biote Pharmaceutical Co ltd · Expires 2023-06-23 · 3y expired

What this patent protects

本发明公开一种醋酸亮丙瑞林缓释微球及其制备方法。其中该缓释微球包含10‑90重量份的高分子聚合物、1‑50重量份的醋酸亮丙瑞林、0.01‑2重量份的表面活性剂和10‑22重量份的甘露醇。本发明的缓释微球与原研的醋酸亮丙瑞林微球一致,并且本发明制备的醋酸亮丙瑞林缓释微球理化性质基本稳定,载药量保持稳定,亮丙瑞林微球含量没有太大改变,有关物质均符合限度要求,其在30天时累积释放度高于90%,符合释放度要求。

USPTO Abstract

本发明公开一种醋酸亮丙瑞林缓释微球及其制备方法。其中该缓释微球包含10‑90重量份的高分子聚合物、1‑50重量份的醋酸亮丙瑞林、0.01‑2重量份的表面活性剂和10‑22重量份的甘露醇。本发明的缓释微球与原研的醋酸亮丙瑞林微球一致,并且本发明制备的醋酸亮丙瑞林缓释微球理化性质基本稳定,载药量保持稳定,亮丙瑞林微球含量没有太大改变,有关物质均符合限度要求,其在30天时累积释放度高于90%,符合释放度要求。

Drugs covered by this patent

Patent Metadata

Patent number
CN116270491A
Jurisdiction
CN
Classification
Expires
2023-06-23
Drug substance claim
No
Drug product claim
No
Assignee
Beijing Biote Pharmaceutical 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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