Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
US11225624B2 · kind B2 · utility
6Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2018 |
| Grant date | Jan 18, 2022 |
| Priority date | — |
| Expiry date | Aug 7, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/025
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fluorine-containing ether compound represented by Formula (1) is provided, R1—R2—CH2—R3—CH2—R4 (1) (In Formula (1), R1 is an alkyl group that may have a substituent, R2 is a divalent linking group bonded to R1 via an ethereal oxygen, R3 is a perfluoropolyether chain, and R4 is an end group which is different from R1-R2 and includes two or three polar groups, in which each of the polar groups is bonded to a different carbon atom, and the carbon atoms bonded to the polar groups are bonded to each other via a linking group containing a carbon atom not bonded to the polar groups.).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.