Gilsonite Emulsion Compositions – Emulsion compositions containing substantial amounts of gilsonite consist essentially of a gilsonite phase consisting of a mixture of between about 33 and about 95% gilsonite, and a petroleum hydrocarbon having a boiling point above about 450° F., and a water phase consisting essentially of water and a small amount of emulsifying agent.h.
DETAILED DESCRIPTION OF THE INVENTION
Compositions of this invention, for some uses, comprise an emulsion consisting essentially of gilsonite, water and a small amount of emulsifying agent, without other materials. The amount of gilsonite present is between about 25 and about 75% by weight of the total emulsion composition. The emulsifying agent may be a cationic, anionic, and/or nonionic emulsifier. Suitable cationic emulsifiers are preferably selected from the group consisting of quaternary ammonium halides, amine acetate salts and alkyl-substituted imidazolines. The specific emulsifiers within this group, and a number of other examples of compounds, as well as commercially available compositions, are described in my U.S. Pat. No. 4,073,659, the full description thereof being incorporated herein by reference. However, other cationic emulsifiers known to those skilled in the art may be used.