CN Patent

CN108338978A — 一种s-羧甲基-l-半胱氨酸肠溶微丸胶囊

Assigned to Guangzhou Baiyunshan Pharmaceutical Holdings Co Ltd Baiyunshan Pharmaceutical General Factory · Expires 2018-07-31 · 8y expired

What this patent protects

本发明公开一种含S‑羧甲基‑L‑半胱氨酸肠溶微丸，该肠溶微丸含有丸芯、隔离层和肠溶层，肠溶层含有水性丙烯酸类肠溶包衣材料，经包衣包裹而制得。本发明同时公开含有S‑羧甲基‑L‑半胱氨酸微丸的S‑羧甲基‑L‑半胱氨酸肠溶胶囊。本发明的S‑羧甲基‑L‑半胱氨酸肠溶胶囊在胃中不会溶解，对胃的刺激小；且在贮存过程中质量稳定。

USPTO Abstract

本发明公开一种含S‑羧甲基‑L‑半胱氨酸肠溶微丸，该肠溶微丸含有丸芯、隔离层和肠溶层，肠溶层含有水性丙烯酸类肠溶包衣材料，经包衣包裹而制得。本发明同时公开含有S‑羧甲基‑L‑半胱氨酸微丸的S‑羧甲基‑L‑半胱氨酸肠溶胶囊。本发明的S‑羧甲基‑L‑半胱氨酸肠溶胶囊在胃中不会溶解，对胃的刺激小；且在贮存过程中质量稳定。

Drugs covered by this patent

Patent Metadata

Patent number
CN108338978A
Jurisdiction
CN
Classification
—
Expires
2018-07-31
Drug substance claim
No
Drug product claim
No
Assignee
Guangzhou Baiyunshan Pharmaceutical Holdings Co Ltd Baiyunshan Pharmaceutical General Factory
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.