Alcohol and ether fuel additives for lead-free gasoline
US11332684B2 · kind B2 · utility
1Cited by
2References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 24, 2018 |
| Grant date | May 17, 2022 |
| Priority date | — |
| Expiry date | Aug 3, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L2300/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An octane-enhancing additive includes a mixed butanol composition, sec-butyl ether, methanol, methyl tert-butyl ether, and a C4-dimer, the mixed butanol composition comprising sec-butanol and tert-butanol, and the C4-dimer comprising di-isobutylene, 2,2,4 trimethylpentane, 2,3,3 trimethylpentane, or a combination comprising at least one of the foregoing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.