Patent ID: 8435934

Claim:
A method of cleaning and sanitizing a porcelain urinal, the method comprising the steps of introducing a composition to the water stream supplying the urinal, the composition comprising: a) about 90 wt % to about 99 wt % of water; b) about 0.5 wt % to about 5 wt % of hydrogen peroxide; c) about 0.1 wt % to about 1.5 wt % of amine oxide surfactant; d) about 10 ppm by weight to about 0.5 wt % of stannate stabilizer; e) about 10 ppm by weight to about 0.5 wt % of a chelating agent; and f) a corrosion inhibitor; and the composition has a pH of about 7.0 to about 9.0.