ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,846, issued on Aug. 25, was assigned to SUNSHINE LAKE PHARMA Co. LTD. (Dongguan, China).

"Crystal form of quinolinone compound and use thereof" was invented by Xiaojun Wang (Dongguan, China), Liang Chen (Dongguan, China), Yinglin Zuo (Dongguan, China) and Qiao Zong (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A crystal form of a quinolinone compound and a use thereof further relating to a pharmaceutical composition including the crystal form, and a use of the crystal form or the pharmaceutical composition in the preparation of a drug for the treatment and prevention of HIF-related and/or EPO-related diseases (such as anemia)."

Th...