Surfactant
US12110441B2 · kind B2 · utility
0Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2018 |
| Grant date | Oct 8, 2024 |
| Priority date | — |
| Expiry date | Apr 15, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K23/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A surfactant of formula (I): A-(L1)a-(C2)b-(L2)c-X (I)whereinA is a perfluoropolyether;L1 is CONR', wherein R′ is selected from H and C1-6 alkyl;a is 0 or 1;b is 0 or an integer between 1 and 10;L2 is a linking group;c is 0 or 1; andX is a charged group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.