Natural surfactant with amines and ethoxylated alcohol
US5792223A · kind A · utility
34Cited by
11References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 1997 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Mar 21, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L1/328
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A stable hydrocarbon-in-water emulsion includes a hydrocarbon phase containing natural surfactant; a water phase having an electrolyte content greater than about 10 ppm (wt) and less than or equal to about 100 ppm (wt) with respect to the water phase; and a surfactant additive including an amine and an ethoxylated alcohol in amounts effective to activate the natural surfactant and stabilize the emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.