Synergistic low temperature flow improver in distillate fuel
US4014663A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1975 |
| Grant date | Mar 29, 1977 |
| Priority date | — |
| Expiry date | Nov 28, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L1/2383
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The low temperature filterability of a petroleum middle distillate fuel, such as a heating oil or a diesel fuel is improved by adding to the fuel a synergistic combination of an N-aliphatic hydrocarbyl succinamic acid or derivative thereof with a dimer of an alpha olefin, with a polymer of such dimer, or with an alkylated aromatic compound such as an alkylated diphenyl or an alkylated diphenyl ether. The olefin dimers are of alpha olefins of from 16 to 40 carbon atoms. The alkyl groups on the alkylated aromatics are derived from C.sub.16 -C.sub.50 olefins or from dimers of C.sub.16 -C.sub.40 alpha-olefins. This invention is particularly advantageous in improviing the flow of a diesel fuel through a fine filter at low temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.