US Patent Issued to Shanghai Zheye Biotechnology on Oct. 21 for "2, 4-diaminopyrimidine derivative and application thereof" (Chinese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,364, issued on Oct. 21, was assigned to Shanghai Zheye Biotechnology Co. Ltd. (Shanghai).

"2, 4-diaminopyrimidine derivative and application thereof" was invented by Lei Zhang (Zheijang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a 2,4-diaminopyrimidine derivative, pharmaceutically acceptable salts thereof, hydrates, solvates or stereoisomers, and a preparation method thereof and an application of the compound used separately or in combination with other drugs in treating diseases having ALK2 kinase-mediated pathological features"

The patent was filed on Dec. 25, 2019, under Application No. 17/418,550.

*F...