Abstract: A water-in-hydrocarbon emulsion includes a water phase, a hydrocarbon phase and a surfactant, wherein the water phase is present in an amount greater than or equal to about 5% vol. with respect to volume of the emulsion, and the water phase and the surfactant are present at a ratio by volume of the water phase to the surfactant of at least about 1. A method for preparing the emulsion is also provided.
Type:
Grant
Filed:
May 5, 2000
Date of Patent:
October 2, 2007
Assignee:
Inievep, S.A.
Inventors:
Hercilio Rivas, Xiomara Gutiérrez, Manuel A. González, Geoffrey McGrath, Migdalia Carrasquero, Francisco López-Linares, Roberto Galiasso