Invention Grant
![Crystal form of 1H-imidazo[4,5-b]pyridine-2(3H)-one compound and preparation process therefor](/docs/US/2022-05-10/US11325907B2/abs.jpg.600x600.jpg)
- Patent Title: Crystal form of 1H-imidazo[4,5-b]pyridine-2(3H)-one compound and preparation process therefor
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Application No.: US16965377Application Date: 2019-01-29
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Publication No.: US11325907B2Publication Date: 2022-05-10
- Inventor: Maoyi Lei , Yu Xu , Yunfu Luo
- Applicant: MEDSHINE DISCOVERY INC.
- Applicant Address: CN Jiangsu
- Assignee: MEDSHINE DISCOVERY INC.
- Current Assignee: MEDSHINE DISCOVERY INC.
- Current Assignee Address: CN Jiangsu
- Agency: Ice Miller LLP
- Priority: CN201810085704.1 20180129
- International Application: PCT/CN2019/073701 WO 20190129
- International Announcement: WO2019/144970 WO 20190801
- Main IPC: C07D471/04
- IPC: C07D471/04 ; A61P19/02
![Crystal form of 1H-imidazo[4,5-b]pyridine-2(3H)-one compound and preparation process therefor](/abs-image/US/2022/05/10/US11325907B2/abs.jpg.150x150.jpg)
Abstract:
Disclosed are a crystal form of 1H-imidazo[4,5-b]pyridine-2(3H)-one compound and a preparation process therefor, and use of the crystal form in the manufacture of a medicament for treating a disease associated with PDE4 receptor.
Public/Granted literature
- US20210198253A1 CRYSTAL FORM OF 1H-IMIDAZO[4,5-B]PYRIDINE-2(3H)-ONE COMPOUND AND PREPARATION PROCESS THEREFOR Public/Granted day:2021-07-01
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