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:
Mar. 18, 2025
Filed:
Jun. 24, 2020
Applicant:
Guangdong Raynovent Biotech Co., Ltd., Guangzhou, CN;
Inventors:
Xiaoxin Chen, Guangzhou, CN;
Chengwu Liu, Guangzhou, CN;
Zhuowei Liu, Guangzhou, CN;
Zhenyou Tan, Guangzhou, CN;
Zhiqiang Liu, Guangzhou, CN;
Zhiwei Cheng, Guangzhou, CN;
Chaofeng Long, Guangzhou, CN;
Jiajun Huang, Guangzhou, CN;
Guangqiang Zhou, Guangzhou, CN;
Assignee:
GUANGDONG RAYNOVENT BIOTECH CO., LTD., Guangzhou, CN;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 471/04 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); C07B 2200/13 (2013.01);
Abstract
Disclosed are sodium salts of pyrimidine derivatives, and a series of crystal forms thereof. The series of crystal forms exhibit a good druggability, such as stability, fluidity, compressibility, etc., and provide a variety of options of APIs for subsequent drug product development.