Bleaching composition for dry cleaning containing transition metal bleach catalyst
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United States of America Patent
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-
Nov 12, 2002
Grant Date -
Sep 27, 2001
app pub date -
Dec 20, 2000
filing date -
Dec 23, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A bleaching composition is provided for effective bleaching with a bleach catalyst at low temperatures. The bleaching composition comprises of a) from 0.05 microM to 50 mM of an organic substance which forms a complex with a transition metal; b) a source of active oxygen corresponding to 0.05 to 100 mM of active oxygen; and c) an effective amount of liquid carbon dioxide.
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