Crude oil emulsions containing a compatible fluorochemical surfactant
US4993448A · kind A · utility
38Cited by
12References
13Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 23, 1989 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Feb 23, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0391
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A transportable crude oil in water emulsion which is stable to both breakdown and phase inversion up to at least about 50.degree. C., containing an effective, compatible emulsion stabilizing amount of an anionic, nonionic or amphoteric fluorochemical surfactant, and optionally a hydrocarbon surfactant, and a method of transporting a crude oil in the form of such emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.