CN Patent

CN106290594B — 测定奥贝胆酸片溶出含量的方法

Assigned to Sino Us Huashitong Biomedical Technology Wuhan Co ltd · Expires 2020-07-17 · 6y expired

What this patent protects

本发明公开了测定奥贝胆酸片溶出含量的方法,测定条件包括:(1)待测样品溶液的配制:加入衍生化试剂和催化剂对奥贝胆酸片进行衍生化后配制待测样品溶液;(2)色谱条件:以十八烷基硅烷键合硅胶为固定相,有机溶剂为流动相A,酸性水溶液为流动相B进行梯度洗脱,洗脱条件为:0~3分钟,流动相A为60~80(V%),流动相B为40~20(V%);3~10分钟,流动相A线性增加至80~100(V%),流动相B减少至20~0(V%);10~12分钟,流动相A为80~100(V%),流动相B为20~0(V%);12~15分钟,流动相A为60~80(V%),流动相B为40~20…

USPTO Abstract

本发明公开了测定奥贝胆酸片溶出含量的方法,测定条件包括:(1)待测样品溶液的配制:加入衍生化试剂和催化剂对奥贝胆酸片进行衍生化后配制待测样品溶液;(2)色谱条件:以十八烷基硅烷键合硅胶为固定相,有机溶剂为流动相A,酸性水溶液为流动相B进行梯度洗脱,洗脱条件为:0~3分钟,流动相A为60~80(V%),流动相B为40~20(V%);3~10分钟,流动相A线性增加至80~100(V%),流动相B减少至20~0(V%);10~12分钟,流动相A为80~100(V%),流动相B为20~0(V%);12~15分钟,流动相A为60~80(V%),流动相B为40~20(V%);(3)检测分析:采用高效液相色谱仪对待测样品溶液进行检测。该方法专属性强、精密度高、线性良好、准确度高,可有效测定奥贝胆酸片溶出含量。

Drugs covered by this patent

Patent Metadata

Patent number
CN106290594B
Jurisdiction
CN
Classification
Expires
2020-07-17
Drug substance claim
No
Drug product claim
No
Assignee
Sino Us Huashitong Biomedical Technology Wuhan 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.