US Patent Issued to CHINA UNIVERSITY OF PETROLEUM (EAST CHINA) on Aug. 5 for "Phase change microcapsule for drilling fluid cooling and its preparation method and application" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,458, issued on Aug. 5, was assigned to CHINA UNIVERSITY OF PETROLEUM (EAST CHINA) (Qingdao, China).

"Phase change microcapsule for drilling fluid cooling and its preparation method and application" was invented by Mei-Chun Li (Qingdao, China), Ziyan Li (Qingdao, China), Jinsheng Sun (Qingdao, China), Kaihe Lv (Qingdao, China), Jingping Liu (Qingdao, China), Yingrui Bai (Qingdao, China), Xianbin Huang (Qingdao, China), Jintang Wang (Qingdao, China), Jiafeng Jin (Qingdao, China) and Jian Li (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phase change microcapsule for drilling fluid cooling and its preparation method and application, be...