"Patent US4780216 - Calcium hypochlorite sanitizing compositions - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsA sanitizing composition consisting essentially of a mixture of a calcium hypochlorite compound and a peroxydisulfate compound having the formula: Mx S2 O8 where M is an alkali metal or alkaline earth metal, and x is 1 or 2 is e" . . . . .