US Patent Issued to GUANGDONG RAYNOVENT BIOTECH on March 18 for "Dominant salt forms of pyrimidine derivatives, and crystal forms thereof" (Chinese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,487, issued on March 18, was assigned to GUANGDONG RAYNOVENT BIOTECH Co. LTD. (Guangzhou, China).

"Dominant salt forms of pyrimidine derivatives, and crystal forms thereof" was invented by Xiaoxin Chen (Guangzhou, China), Chengwu Liu (Guangzhou, China), Zhuowei Liu (Guangzhou, China), Zhenyou Tan (Guangzhou, China), Zhiqiang Liu (Guangzhou, China), Zhiwei Cheng (Guangzhou, China), Chaofeng Long (Guangzhou, China), Jiajun Huang (Guangzhou, China) and Guangqiang Zhou (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are sodium salts of pyrimidine derivatives, and a series of crystal forms thereof. The series of crystal forms ...