Method of laundry washing
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United States of America Patent
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Jan 20, 2009
Grant Date -
Jun 16, 2005
app pub date -
Dec 9, 2004
filing date -
Dec 11, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a method of washing a laundry fabric in a wash liquor in a washing machine, the wash liquor containing surfactant material, wherein during a single wash cycle no more than 10% by weight of the wash liquor is drained from the washing machine, wherein the concentration of the surfactant material in the wash liquor is substantially constant during the wash cycle, and wherein the method comprises the step of changing the ionic strength of the wash liquor by addition of one or more ionic ingredients thereto during the wash cycle.
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