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.

Date of Patent:
Nov. 04, 2025

Filed:

Apr. 29, 2020
Applicant:

Beijing Tide Pharmaceutical Co., Ltd., Beijing, CN;

Inventors:

Yanping Zhao, Beijing, CN;

Hongjun Wang, Beijing, CN;

Zewang Feng, Beijing, CN;

Huai Huang, Beijing, CN;

Kai Liu, Beijing, CN;

Xuelian Liu, Beijing, CN;

Jianmei Pang, Beijing, CN;

Nana Tian, Beijing, CN;

Xichao Chen, Beijing, CN;

Shenzhen Fu, Beijing, CN;

Jie Meng, Beijing, CN;

Liying Zhou, Beijing, CN;

Yanan Liu, Beijing, CN;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 401/12 (2006.01);
U.S. Cl.
CPC ...
C07D 401/12 (2013.01); C07B 2200/13 (2013.01);
Abstract

The present invention relates to a salt of 5-((2-ethynyl-5-isopropylpyridin-4-yl)oxy)pyrimidine-2,4-diamine and a solid form thereof, a method for preparing the solid form and a pharmaceutical composition comprising the solid form, as well as a use of the solid form for preventing or treating diseases modulated by P2X3 and/or P2X2/3 receptor antagonists.


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