US Patent Issued to Resonac on June 9 for "Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium" (Japanese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,825, issued on June 9, was assigned to Resonac Corp. (Tokyo).

"Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium" was invented by Yutaka Tanji (Tokyo), Tsuyoshi Kato (Tokyo), Daisuke Yagyu (Tokyo), Naoya Fukumoto (Tokyo), Ayano Asano (Tokyo) and Natsumi Yoshimura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluorine-containing ether compound is provided which is represented by the following formula: R1-R2-CH2-R3a-CH2-R4a-CH2-R3b-CH2-R4b-CH2-R3c-CH2-R5-R6 (R3a, R3b, and R3c are perfluoropolyether chains; R2, R4a, R4b, and R5 are a divalent linking group having at least one selected fr...