ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,679, issued on July 21, was assigned to GUANGZHOU HEALTHQUEST PHARMA Co. LTD. (China) and ASCENTAGE PHARMA (SUZHOU) Co. LTD. (China).
"Crystals of alkynyl-containing compound, salt and solvate thereof, preparation method, and applications" was invented by Jianfeng Wen (Suzhou, China), Yanqiong Lin (Suzhou, China), Jianpeng Feng (Suzhou, China), Tianzhu Wu (Suzhou, China), Zhenzhong Shao (Suzhou, China) and Weidong Li (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses the crystal form, preparation method and application of an alkynyl compound, its salt and solvent compound. The invention specifically discloses 3-((1...