Quaternary ammonium compound and fuel composition
US11566197B2 · kind B2 · utility
0Cited by
5References
29Claims
0Family size
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Key dates
| Filing date | Sep 12, 2019 |
| Grant date | Jan 31, 2023 |
| Priority date | — |
| Expiry date | Sep 12, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L2270/026
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A quaternary ammonium compound of formula (I): wherein R0, R1, R2 and R3 is each independently an optionally substituted hydrocarbyl group; X is a linking group; R4 is an optionally substituted alkylene group; n is a positive integer; W is O− or OH; b is 1 when W is OH, and b is 2 when W is O−.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.