Emulsion breaking process
US4261812A · kind A · utility
19Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 17, 1980 |
| Grant date | Apr 14, 1981 |
| Priority date | — |
| Expiry date | Jan 17, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G33/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An oil-in-water emulsion of crude oil, water and surface active agents is broken by adding additional surface active agents, preferably relatively high equivalent weight petroleum sulfonates, to the emulsion and then subjecting the emulsion to conventional emulsion breaking techniques.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.