Patent ID: 8012267

Claim:
A method of machine cleaning dishes in a dishwashing machine, comprising a cleaning program comprising a prerinse cycle and a cleaning cycle, and comprising the steps of metering two liquid cleaning agents A and B comprising the compositions: A: 10 to 75 wt % builder(s), 0.1 to 10 wt % enzyme(s), 24.9 to 89.9 wt % solvent(s); and B: 10 to 74.9 wt % builder(s), 25 to 89.9 wt % solvent(s), into a wash bath during the cleaning cycle at two successive times t1 and t2, wherein the liquid cleaning agent A has a pH at 20° C. of 6 to 9 and is metered at time t1, and the liquid cleaning agent B has a pH at 20° C. of 9.5 to 14 and is metered at time t2.