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US 11,718,756 B2Granted
Asphalt emulsion surface treatment containing sterol
AssigneesA.L.M. Holding Company, Ergon Asphalt & Emulsions, Inc.
InventorsGerald H. Reinke, Gaylon L. Baumgardner, Andrew Hanz
Life of this patent
Estimating the term…
Abstract
Pavement aging can be reduced by applying to an asphalt-containing pavement a topcoat layer or a surface treatment containing asphalt binder emulsion with sterols.
Claims7
A method for treating an asphalt-containing surface comprising:
- providing a surface treatment comprising sterol-containing asphalt binder emulsion, wherein sterol is added to an asphalt binder at from 0.5 to 15 wt. % of the sterol based on the asphalt binder weight before emulsification and
- applying the surface treatment to an upper surface of an existing asphalt-containing surface.
Dependencies are inferred from the claim text.