ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,755, issued on June 30, 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).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluorine-containing ether compound represented by the following formula: R1-R2-CH2-R3[-CH2-R4-CH2-R3]x-CH2-R5-R6 (R1 and R6 are an organic group having 1 to 50 carbon atoms; R2 is Formula (2-1) or (2-2); R5 is Formula (2-3) or (2-4); R3 is a perfluoropolyether chain; R4 is Formula (3-1) or (3-2); and x is 0 to 2)."
The patent was filed on May 18, 2023, under Application No. 18/866,165.
*For furth...