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US 6,648,955 B1Granted
Corrugating adhesive
AssigneeNational Starch and Chemical Investment Holding Corporation
InventorsFrank J. Swiezkowski, Robert L. Billmers, Patrick B. Mwonya, Gordon W. Seaman
Life of this patent
Estimating the term…
Abstract
Corrugating adhesives comprising a starch, an alkali, water and a surfactant allow the user to control the amount of adhesive applied, minimize warpage of the final corrugated board and allows equipment to run faster and in a more efficient manner.
Claims10
A foamable corrugating adhesive comprising a starch, an alkali, a nonionic or an amphoteric surfactant and a liquid carrier, wherein the surfactant does not contain propylene oxide or ethylene oxide either within the backbone or within a side chain thereof.
Dependencies are inferred from the claim text.