12.01.16
US Patent No. 9,476,017 B2; Diversey, Inc., Sturtevant, WI, has patented a method of cleaning, sanitizing or disinfecting. The method entails contacting a soiled substrate with a cleaning, sanitizing, or disinfecting composition that is comprised of tripolyphosphoric acid or a salt thereof and optionally one or more food grade agents selected from the group consisting of carbonate, peroxyacetic acid or salt thereof, and hydrogen peroxide. This method does not include contacting the substrate with hydroxide, is effluent neutral, and is a clean-in-place (CIP) or sanitize-in-place (SIP) method.
