National Starch and Chemical Investment Holding Corporation

Nicholas J Lacamera, Jr

Leon I Rosenberg

Dennis R Dewacker

A curing composition for concrete that is an effective water barrier and that is relatively easily removed contains an acrylic or a styrene polymer latex and a polysaccharide. The polysaccharide makes the coating composition susceptible to enzyme action and thus easily removable by flooding the surface of the coated concrete with a dilute solution of enzyme reactive with the polysaccharide.

Dissipative curing and coating composition for concrete

A coating composition for concrete that is an effective water barrier and that is relatively easily removed comprises an acrylic copolymer or a styrene copolymer latex and a polysaccharide. The polysaccharide makes the coating composition susceptible to enzyme action and thus easily removable by flooding the surface of the coated concrete with a dilute solution of enzyme reactive with the polysaccharide.

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Somerville, NJ, United States of America

Nicholas J Lacamera, Jr