Asphaltene inhibition
US10125306B2 · kind B2 · utility
2Cited by
28References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2015 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Sep 17, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L2230/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of inhibiting asphaltene precipitation and/or deposition in a hydrocarbon, preferably crude oil, by adding to the hydrocarbon a polyester asphaltene dispersing agent which is the reaction product of an alk(en)yl substituted succinic anhydride wherein the average number of succinic groups per alk(en)yl group is less than 2.0, and at least one polyol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.