Asphaltene removal composition and method
US5504063A · kind A · utility
24Cited by
27References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1994 |
| Grant date | Apr 2, 1996 |
| Priority date | — |
| Expiry date | Jul 11, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/524
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An asphaltene removal composition comprising an alkyleneamine-fatty acid condensation reaction product and one or more polar aprotic high dielectric constant solvents is useful for removing and inhibiting asphaltene deposits from wells, pipelines and associated equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.