Reduced viscosity heavy hydrocarbon composition in form of multiple emulsion and its production
US4804495A · kind A · utility
14Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1986 |
| Grant date | Feb 14, 1989 |
| Priority date | — |
| Expiry date | Oct 28, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L1/328
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Composition comprising heavy hydrocarbons and water, having a viscosity much lower than that of the hydrocarbons it contains. It is constituted by a multiple emulsion, the internal phase of which comprises a primary emulsion of water in the hydrocarbons and the external phase comprises water containing at least one surfactant, in which this primary emulsion is dispersed, thus forming a secondary emulsion which is self-stable or is stabilized by the addition of stabilizing agents to its external phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.