Additive composition for fuel
US11225620B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 4, 2018 |
| Grant date | Jan 18, 2022 |
| Priority date | — |
| Expiry date | Dec 4, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L2270/023
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fuel additive composition, including: (a) one or more copolymer(s) including: at least one unit of the following formula (I), where u=0 or 1, E=—O— or —N(Z)—, or —O—CO—, or —CO—O— or —NH—CO— or —CO—NH—, where Z represents H or a C1-C6 alkyl group, G represents a group selected between a C1-C34 alkyl group, aromatic ring, aralkyl including at least one aromatic ring and at least one C1-C34 alkyl group, and at least one unit of the following formula (II), where R1″ is selected between a hydrogen atom and a methyl group, Q is selected between an oxygen atom and a group —NR′—, where R′ is selected between a hydrogen atom and C1-C12 hydrocarbon chains, R includes a C1-C34 hydrocarbon chain substituted with at least one quaternary ammonium, (b) one or more amines substituted with a polyalkenyl group, and (c) at least one carrier oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.