CN Patent

CN115040475A — 一种n-乙酰半胱氨酸口服溶液

Assigned to Hangzhou Zhejiang Medical Technology Co ltd · Expires 2022-09-13 · 4y expired

What this patent protects

本发明涉及医药技术领域,尤其是一种N‑乙酰半胱氨酸口服溶液,其原料按重量的配方如下:乙酰半胱氨酸100份,增稠剂0‑30份,pH调节剂0‑30份,螯合剂0‑10份,抑菌剂0‑15份,甜味剂0‑5份,矫味剂0‑20份,其余为溶剂;本品含量应达到95~105%,pH值为5.5‑7.0,有关物质不大于5%。制备工艺包括惰性气体保护,具体如下:容器内通惰性气体,加入适量无氧水;加入增稠剂,加热至60‑80℃,溶解,混合均匀;降温至25‑40℃,依次加入pH调节剂、螯合剂、抑菌剂、乙酰半胱氨酸、充分溶解后,调节pH值至5.5~7.0,再加入甜味剂、矫味剂,充分溶解…

USPTO Abstract

本发明涉及医药技术领域,尤其是一种N‑乙酰半胱氨酸口服溶液,其原料按重量的配方如下:乙酰半胱氨酸100份,增稠剂0‑30份,pH调节剂0‑30份,螯合剂0‑10份,抑菌剂0‑15份,甜味剂0‑5份,矫味剂0‑20份,其余为溶剂;本品含量应达到95~105%,pH值为5.5‑7.0,有关物质不大于5%。制备工艺包括惰性气体保护,具体如下:容器内通惰性气体,加入适量无氧水;加入增稠剂,加热至60‑80℃,溶解,混合均匀;降温至25‑40℃,依次加入pH调节剂、螯合剂、抑菌剂、乙酰半胱氨酸、充分溶解后,调节pH值至5.5~7.0,再加入甜味剂、矫味剂,充分溶解后,添加无氧水至全量,惰性气体保护下进行灌装、瓶封口。本发明为液体药剂,更有利于人体吸收,增强其疗效。

Drugs covered by this patent

Patent Metadata

Patent number
CN115040475A
Jurisdiction
CN
Classification
Expires
2022-09-13
Drug substance claim
No
Drug product claim
No
Assignee
Hangzhou Zhejiang Medical 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.