Low molecular weight amide/ester containing quaternary ammonium salts
US11820957B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Mar 25, 2021 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Mar 25, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present technology is related to amide or ester containing quaternary ammonium salts having a hydrocarbyl substituent of number average molecular weight ranging from 300 to 750, and the use of such quaternary ammonium salts in fuel compositions to improve the water shedding performance of the fuel composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.