Machine dishwashing method with separately metered liquid cleaning agents
AssigneeHenkel AG & Co. KGaA
InventorsMaren Jekel, Johannes Zipfel, Arnd Kessler
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Abstract
A method of machine cleaning dishes in a dishwasher, wherein over the course of a cleaning program, having a pre-rinsing operation and a cleaning operation, two liquid cleansers A and B having the following composition: A:—10 to 75 wt % of builder(s); −0.1 to 10 wt % of enzyme(s); −24.9 to 89.9 wt % of solvent; and B: −10 to 74.9 wt % of builder(s); −25 to 89.9 wt % of solvent; are metered into the wash bath at two successive times t1 and t2. The liquid cleanser A has a pH value (20° C.) of between 6 and 9 and is metered in at time t1, while the liquid cleanser B has a pH value (20° C.) of between 9 and 14 and is metered in at time t2.
Claims20
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.
Dependencies are inferred from the claim text.