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US 6,616,743 B1Granted
Aqueous emulsions, with bentonite for cold application bitumen
AssigneeGardner Asphalt Corporation
InventorsMichael L. Yap, Raymond T. Hyer, Barton J. Malina
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Abstract
Compositions of an aqueous emulsion of a bitumen and a drilling mud bentonite are especially adapted for cold application and provide many advantages.
Claims4
A colloidal aqueous emulsion of a bitumen and a drilling mud bentonite composition especially adapted for cold application,
- wherein the drilling mud bentonite conforms to API specification 13A.
Dependencies are inferred from the claim text.