US 12,338,407 B2
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
Tsuyoshi Kato, Ichihara (JP); Ayano Asano, Ichihara (JP); Natsumi Shibata, Ichihara (JP); and Daisuke Yagyu, Ichihara (JP)
Assigned to Resonac Corporation, Tokyo (JP)
Appl. No. 17/772,043
Filed by SHOWA DENKO K.K., Tokyo (JP)
PCT Filed Nov. 6, 2020, PCT No. PCT/JP2020/041613
§ 371(c)(1), (2) Date Apr. 26, 2022,
PCT Pub. No. WO2021/090940, PCT Pub. Date May 14, 2021.
Claims priority of application No. 2019-202285 (JP), filed on Nov. 7, 2019.
Prior Publication US 2023/0002696 A1, Jan. 5, 2023
Int. Cl. C10M 105/54 (2006.01); C07C 43/13 (2006.01); C07D 309/12 (2006.01); G11B 5/725 (2006.01); C10N 40/18 (2006.01)
CPC C10M 105/54 (2013.01) [C07C 43/137 (2013.01); C07D 309/12 (2013.01); G11B 5/7257 (2020.08); C10M 2211/0425 (2013.01); C10N 2040/18 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A fluorine-containing ether compound represented by formula (Q) shown below:

OG Complex Work Unit Chemistry
wherein in formula (Q), yq indicates an average polymerization degree, and represents a number from 1 to 20.