US Patent Issued to Resonac on April 15 for "Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium" (Japanese Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,911, issued on April 15, was assigned to Resonac Corp. (Tokyo).

"Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium" was invented by Masaki Nanko (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a fluorine-containing ether compound that can form a lubricating layer which has excellent wear resistance even if the thickness is thin and in which a decrease in film thickness due to spin-off is less likely to occur. The fluorine-containing ether compound is represented by the following formula. R1-R2-O-CH2-R3-CH2-O-R4-R5 (R3 is a perfluoropolyether chain. R1 and R5...