CN Patent

CN101798309A — 一种从斑蝥中制备斑蝥素的方法

Assigned to Nanjing Zelang Medical Technology Co Ltd · Expires 2010-08-11 · 16y expired

What this patent protects

一种从斑蝥中制备斑蝥素的新工艺，是采用超临界CO 2 做溶剂，丙酮做夹带剂，提取压力为10-20MPa，提取温度30-40℃，静态浸泡1-1.5小时，解析压力为4-8MPa，解析温度40-50℃，动态提取时间2-3小时，萃取物再经石油醚除杂丙酮结晶。该工艺提取效率高，周期短，污染少，成本低。

USPTO Abstract

一种从斑蝥中制备斑蝥素的新工艺，是采用超临界CO 2 做溶剂，丙酮做夹带剂，提取压力为10-20MPa，提取温度30-40℃，静态浸泡1-1.5小时，解析压力为4-8MPa，解析温度40-50℃，动态提取时间2-3小时，萃取物再经石油醚除杂丙酮结晶。该工艺提取效率高，周期短，污染少，成本低。

Drugs covered by this patent

Patent Metadata

Patent number
CN101798309A
Jurisdiction
CN
Classification
—
Expires
2010-08-11
Drug substance claim
No
Drug product claim
No
Assignee
Nanjing Zelang 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.

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