CN Patent

CN104374861B — 一种用hplc分离测定利奥西呱原料药的有关物质的方法

Assigned to Guangdong HEC Pharmaceutical Co Ltd · Expires 2016-03-02 · 10y expired

What this patent protects

本发明提供一种采用HPLC分离测定利奥西呱原料药有关物质的方法，所述方法采用十八烷基硅烷键合相或辛烷硅烷键合相作为填料的色谱柱，再用阴离子对试剂溶液作为缓冲液进行洗脱，并以紫外检测器对利奥西呱原料药中的有关物质进行检测。本发明所述分析方法具有专属性好，灵敏度高，准确度好，有较好的稳定性指示能力。

USPTO Abstract

本发明提供一种采用HPLC分离测定利奥西呱原料药有关物质的方法，所述方法采用十八烷基硅烷键合相或辛烷硅烷键合相作为填料的色谱柱，再用阴离子对试剂溶液作为缓冲液进行洗脱，并以紫外检测器对利奥西呱原料药中的有关物质进行检测。本发明所述分析方法具有专属性好，灵敏度高，准确度好，有较好的稳定性指示能力。

Drugs covered by this patent

Patent Metadata

Patent number
CN104374861B
Jurisdiction
CN
Classification
—
Expires
2016-03-02
Drug substance claim
No
Drug product claim
No
Assignee
Guangdong HEC 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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