- Patent Title: Expectorant compound, preparation method thereof and use thereof
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Application No.: US17769774Application Date: 2020-07-01
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Publication No.: US11993561B2Publication Date: 2024-05-28
- Inventor: Cheng Yang , Sumin Qi , Qiyuan Zhang , Dongxing Li , Tieshan Chen , Xiaodan Zhao
- Applicant: HC SYNTHETIC PHARMACEUTICAL CO., LTD.
- Applicant Address: CN Xi'an
- Assignee: HC SYNTHETIC PHARMACEUTICAL CO., LTD.
- Current Assignee: HC SYNTHETIC PHARMACEUTICAL CO., LTD.
- Current Assignee Address: CN Shaanxi Province
- Agency: AKC PATENTS, LLC
- Agent Aliki K. Collins
- Priority: CN 1911055630.8 2019.10.31
- International Application: PCT/CN2020/099664 2020.07.01
- International Announcement: WO2021/082501A 2021.05.06
- Date entered country: 2022-04-18
- Main IPC: C07C323/30
- IPC: C07C323/30 ; A61K31/137 ; A61P11/10
Abstract:
The present disclosure discloses an expectorant compound, and specifically discloses compounds represented by formula I and formula II, pharmaceutically acceptable salts or tautomers thereof.
Public/Granted literature
- US20220388952A1 EXPECTORANT COMPOUND, PREPARATION METHOD THEREOF AND USE THEREOF Public/Granted day:2022-12-08
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