- Patent Title: Revaprazan hydrochloride polymorphs and preparation method therefor
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Application No.: US15520290Application Date: 2015-11-12
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Publication No.: US10005757B2Publication Date: 2018-06-26
- Inventor: Wenzheng Liu , Guocheng Wang , Qingwei Hou , Hongguang Meng
- Applicant: JIANGSU TASLY DIYI PHARMACEUTICAL CO., LTD.
- Applicant Address: CN Jiangsu
- Assignee: Jiangsu Tasly Diyi Pharmaceutical Co., Ltd.
- Current Assignee: Jiangsu Tasly Diyi Pharmaceutical Co., Ltd.
- Current Assignee Address: CN Jiangsu
- Agency: Dilworth & Barrese, LLP
- Priority: CN201410665192 20141119
- International Application: PCT/CN2015/094463 WO 20151112
- International Announcement: WO2016/078543 WO 20160526
- Main IPC: C07D401/04
- IPC: C07D401/04
Abstract:
Provided are revaprazan hydrochloride polymorphs and a preparation method thereof. The method comprises a step of dissolving revaprazan hydrochloride in ethanol or aqueous solutions of ethanol having different proportions to perform recrystallization.
Public/Granted literature
- US20170334877A1 REVAPRAZAN HYDROCHLORIDE POLYMORPHS AND PREPARATION METHOD THEREFOR Public/Granted day:2017-11-23
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