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US 8,533,881 B2Granted
Method for dispensing an enzyme in a laundry treating appliance
AssigneeWhirpool Corporation
InventorsIrene M. Brockman, Kaustav Ghosh
Life of this patent
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Abstract
A method for treating laundry in a laundry treating appliance including the application of a lipase solution to the laundry during a cycle of operation.
Claims15
A method of treating laundry in a laundry treating appliance having an air supply system and a heating system both operably coupled to and controlled by a controller to supply heated air to a treating chamber, the method comprising:
- pre-treating by adding moisture to the laundry in the treating chamber until a sensed moisture content of the laundry satisfies a first predetermined moisture content threshold;
- after the satisfying of the first predetermined moisture content threshold, applying a lipase solution to the laundry in the treating chamber until the sensed moisture content of the laundry is greater than a second predetermined moisture content threshold, which is greater than the first predetermined moisture content threshold;
- and
- after the application of the lipase solution, supplying the heated air to the treating chamber to reduce the sensed moisture content of the laundry.
1 more element
Dependencies are inferred from the claim text.