pH-controlled release of detergent components
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United States of America Patent
Stats
-
Jun 18, 2002
Grant Date -
Aug 9, 2001
app pub date -
Feb 26, 2001
filing date -
Feb 7, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A process of washing textiles is presented involving the delayed release of ingredients from a detergent composition. The process involves first dissolving the detergent in water resulting in a pH below 8, slowly dissolving the coating on a coated alkalizing agent to raise the pH to above 8.5, and dissolving the polymeric acid coating on a detergent ingredient, due to the pH above 8.5, to release the ingredient into the wash water.
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Cited Art Landscape
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