Patent · US Active

Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium

US11279664B2 · kind B2 · utility

7Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 2017
Grant dateMar 22, 2022
Priority date
Expiry dateMar 20, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2050/025
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to a fluorine-containing ether compound represented by Formula (1), R1—R2—CH2—R3—CH2—R4  (1). (In Formula (1), R1 is an end group including an organic group having at least one double bond or triple bond, R2 is a divalent linking group bonded to R1 by etheric oxygen, R3 is a perfluoropolyether chain, R4 is an end group having two or three polar groups with each polar group being bonded to different carbon atoms, and the carbon atoms, to which the polar groups are bonded, being bonded to each other via a linking group including carbon atoms to which the polar groups are not bonded.)

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.