The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 01, 1994
Filed:
Jan. 19, 1993
Applicant:
Inventors:
Dennis R Dewacker, Belle Mead, NJ (US);
Leon Rosenberg, Bridgewater, NJ (US);
Nicholas J Lacamera, Jr, Somerville, NJ (US);
Assignee:
National Starch and Chemical Investment Holding Corp., Wilmington, DE (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524 56 ; 523128 ; 4273936 ;
Abstract
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.