US Patent Issued to Resonac on June 23 for "Fluorine-containing ether compound, method for producing same, lubricant for magnetic recording media, and magnetic recording media" (Japanese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,572, issued on June 23, was assigned to Resonac Corp. (Tokyo).

"Fluorine-containing ether compound, method for producing same, lubricant for magnetic recording media, and magnetic recording media" 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 represented by the following formula. R1-CH2-R2a-CH2-R3a-CH2-R2b-CH2-R3b-CH2-R2c-CH2-R3c-CH2-R2d-CH2-R4 (R2a, R2b, R2c and R2d are each a perfluoropolyether chain, R3a, R3b, and R3c are each a divalent linking group hav...