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US 5,494,502 AGranted
Asphalt release agent
AssigneeThe ChemMark Corporation, Inc.
InventorWilliam M. DeLong
Life of this patent
Estimating the term…
Abstract
An asphalt release agent and a method of applying the same, wherein said asphalt release agent comprises a fatty oil as the active ingredient together with a foaming agent, a crosslinked copolymer, an alkalinizing agent and a preservative. The release agent is preferably applied using a pneumatic pump to pump the release agent through an air-inducting nozzle.
Claims16
An asphalt release agent foam comprising from about 3 to about 60 percent fatty oil, from about 0.01 to about 20 percent foaming agent, and the balance water.
Dependencies are inferred from the claim text.