The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 19, 2021
Filed:
Jan. 18, 2019
Tianjin Institute of Pharmaceutical Research Co., Ltd., Tianjin, CN;
Guilong Zhao, Tianjin, CN;
Changying Liu, Tianjin, CN;
Huihui Chen, Tianjin, CN;
Yuquan Li, Tianjin, CN;
Haizhi Zhang, Tianjin, CN;
Xuyuan Liu, Tianjin, CN;
Yuqiang Liu, Tianjin, CN;
Yafei Xie, Tianjin, CN;
Jingwei Wu, Tianjin, CN;
Wei Liu, Tianjin, CN;
Weiren Xu, Tianjin, CN;
Lida Tang, Tianjin, CN;
Meixiang Zou, Tianjin, CN;
TIANJIN INSTITUTE OF PHARMACEUTICAL RESEARCH CO., LTD., Tianjin, CN;
Abstract
The present invention provides a crystal form of urate transporter 1 inhibitor and a preparation method and use thereof. The crystal form is characterized by a stable state of appearance and a capability of further improving the purity and storage stability of the compound, etc., and suitable as a pharmaceutical raw material.