Magnetic recording medium, fluorine-containing ether compound and lubricant for magnetic recording medium
US11661478B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Feb 6, 2018 |
| Grant date | May 30, 2023 |
| Priority date | — |
| Expiry date | Feb 25, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/023
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A fluorine-containing ether compound of the present invention is represented by the following General Formula (1). (In the General Formula (1), X is a trivalent atom or a trivalent atom group, A is a linking group including at least one polar group, B is a linking group having a perfluoropolyether chain, and D is a polar group or a substituent having a polar group at the end.) [Chem. 1]XA-B-D)3 (1)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.