Fuel additives to maintain optimum injector performance
US8623105B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 2008 |
| Grant date | Jan 7, 2014 |
| Priority date | — |
| Expiry date | Aug 14, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L1/2383
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A diesel fuel, diesel fuel additive concentrate and method for improving the performance of fuel injectors for a diesel engine are provided. The diesel fuel includes a major amount of middle distillate fuel; and a reaction product of a hydrocarbyl substituted dicarboxylic acid or anhydride and an amine compound or salt. The amine compound has the formulawherein R is selected from the group consisting of a hydrogen and a hydrocarbyl group containing from about 1 to about 15 carbon atoms, and R1 is selected from the group consisting of hydrogen and a hydrocarbyl group containing from about 1 to about 20 carbon atoms. The reaction product contains at least one amino triazole group and is present in the fuel in an amount sufficient to improve the performance of diesel fuel injectors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.