Polyhydroxyalkyl ether amines and fuels containing them
US9382495B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2015 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | Sep 16, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L2270/023
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fuel additive and method for improving fuel economy in an engine. The method includes providing a fuel composition to an engine, wherein the fuel composition includes gasoline and from about 10 to about 750 ppm by weight based on a total weight of the fuel composition of a fuel stable additive of the formulawherein R1 comprises a saturated hydrocarbyl group having from 6 to 30 carbon atoms, R2 is an alkyl, polyalkyl, alkoxyalkyl or polyalkoxyalkyl group containing from 2 to 25 carbon atoms, R3 is an alkyl group containing from 2 to 5 carbon atoms, R4 is a linear alkyl group containing 2 to 3 carbon atoms, and x is an integer selected from 0 and 1, and
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.