US Patent Issued to Resonac on Jan. 20 for "Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,088, issued on Jan. 20, 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), Natsumi Yoshimura (Tokyo), Takuma Kuroda (Tokyo), Chizuru Kasahara (Tokyo), Naoya Fukumoto (Tokyo) and Ayano Asano (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a fluorine-containing ether compound represented by the following formula: R1-R2-CH2-R3[-CH2-R4-CH2R3']n-CH2-R5-R6 (n is 1 or 2; R3 and R3' are a perfluoropolyether chain; R4 is a divalent linking group having one ...