ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,801, issued on July 21, was assigned to ANHUI UNIVERSITY OF TECHNOLOGY (Ma'anshan City, China).
"Near-azeotropic refrigerant of ternary mixture CO 2 /R41/R170" was invented by Dong Wang (Ma'anshan City, China), Sensen Deng (Ma'anshan City, China), Aiquan Jia (Ma'anshan City, China) and Mengxue Li (Ma'anshan City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a near-azeotropic refrigerant of a ternary mixture CO2/R41/R170, including the following components by mass percentage: 10% to 64% of CO2, 10% to 47% of R41, and 26% to 52% of R170. The near-azeotropic refrigerant has a low global warming potential (GWP) and a low temperature ...