CN Patent

CN117919171B — 一种左甲状腺素钠口服液的制备方法

Assigned to Qingsong Pharmaceutical Group Co ltd · Expires 2024-05-31 · 2y expired

What this patent protects

本发明属于以口服液为特征的医药配置品制备领域，具体涉及一种左甲状腺素钠口服液的制备方法。本发明采用抗溶剂沉淀法获得纳米沉淀药物，提升左甲状腺素钠原料药的溶解性，工艺简单，效果较佳，能在悬浮溶媒剂中实现均匀分散，悬浮溶媒剂能进一步对纳米沉淀药物的性能进行稳定，提升左甲状腺素钠生物利用度。本发明的左甲状腺素钠口服液，保存环境相对宽泛，性质较为稳定，能较好地弥补片剂不易控制剂量的问题，适用人群广泛。

USPTO Abstract

本发明属于以口服液为特征的医药配置品制备领域，具体涉及一种左甲状腺素钠口服液的制备方法。本发明采用抗溶剂沉淀法获得纳米沉淀药物，提升左甲状腺素钠原料药的溶解性，工艺简单，效果较佳，能在悬浮溶媒剂中实现均匀分散，悬浮溶媒剂能进一步对纳米沉淀药物的性能进行稳定，提升左甲状腺素钠生物利用度。本发明的左甲状腺素钠口服液，保存环境相对宽泛，性质较为稳定，能较好地弥补片剂不易控制剂量的问题，适用人群广泛。

Drugs covered by this patent

Patent Metadata

Patent number
CN117919171B
Jurisdiction
CN
Classification
—
Expires
2024-05-31
Drug substance claim
No
Drug product claim
No
Assignee
Qingsong Pharmaceutical Group 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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