ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,009, issued on July 14, was assigned to KD FINECHEM Co. LTD. (Busan, South Korea).
"Heat transfer fluid composition with improved thermal stability" was invented by Jae Yoon Park (Seoul, South Korea), Hyun Jin Park (Seongnam-si, South Korea), Hong Ki Lee (Busan, South Korea), Ja Won Kim (Busan, South Korea) and Sang Jun Yoon (Busan, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a heat transfer fluid composition with improved thermal stability, and has the effect of inhibiting the oxidation of a coolant due to hydrogen vehicle stack cooling system components and operating temperature."
The patent was fil...