Additives for fuel oils
US10308593B2 · kind B2 · utility
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22References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 10, 2009 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Feb 26, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L1/2383
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fuel oil composition comprising a major amount of a fuel oil and a minor amount of a compound being the product of the 1,4-addition reaction of (i) ammonia, a primary or secondary hydrocarbyl-substituted amine or a mixture thereof to (ii) a species containing one or more α,β-unsaturated carbonyl groups, wherein the compound includes at least one hydrocarbyl group containing at least 10 carbon atoms. The fuel oil composition has improved low temperature properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.