ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,823, issued on March 24, was assigned to Shenzhen Jingtai Technology Co. LTD. (Shenzhen, China).

"Crystal form of Daprodustat, preparation method therefor and use thereof" was invented by Guobin Ren (Shenzhen, China), Weijie Ji (Shenzhen, China), Dongxu Yi (Shenzhen, China) and Jiajun Huang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is crystal form M of the proline hydroxylase inhibitor daprodustat, wherein the X-ray powder diffraction thereof, expressed in 2Theta angles and using Cu-Ka radiation, has characteristic peaks at 4.7plus-minus0.2deg, 6.5plus-minus0.2deg, and 6.8plus-minus0.2deg. Disclosed are the preparati...