Patent · US Active

Crystal form of urate transporter 1 inhibitor and preparation method and use thereof

US11149013B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

Tianjin Institute of Pharmaceutical Research Co., Ltd. · CN

Inventors

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 · Beijing, CN
Yafei Xie · Tianjin, CN
Jingwei Wu · 达尔罕壕村, CN
Wei Liu · Hangzhou City, CN
Weiren Xu · Tianjin, CN
Lida Tang · Tianjin, CN
Meixiang Zou · Tianjin, CN

Key dates

Filing date	Jan 18, 2019
Grant date	Oct 19, 2021
Priority date	—
Expiry date	Jan 18, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/13
WIPO fieldPharmaceuticals
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.