Use of transition metal complexes as bleach catalysts
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United States of America Patent
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Apr 5, 2005
Grant Date -
Oct 7, 2004
app pub date -
Feb 2, 2004
filing date -
Feb 3, 2003
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Abstract
The use of compounds of the formula (1) M(L).sub.n X.sub.m (1) where M is a metal atom from the group Mn, Fe, Co, Ni, Mo, W, L is a ligand from the group of nitrogen-containing heterocycles, X is chloride, bromide, nitrate, perchlorate, sulfate, ammonia, tetrafluoroborate, hexafluorophosphate or an anion of an organic acid having 1 to 22 carbon atoms, n is a number from 2 to 4 and m is a number from 0 to 4, as catalyst for peroxygen compounds, in particular in washing, bleaching and cleaning compositions is claimed.
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