C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 7/54 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01)
Patent
CA 2194342
Bleach systems comprising bis- and tris(µ-oxo)dimanganese complex salts as catalyst Bis- and tris(µ-oxo)dimanganese complex salts of the formula [LMn(µ-O)a(µ-OAc)bMnL]XAy as catalysts for oxidizing organic compounds, in which formula Ac is a C2-C8-acyl group, a is 1, 2 or 3, b is 0 if a is 2 or 3 or is 2 if a is 1, x denotes the number of positive charges and is 2 or 3, A is an anion, y is the equivalent amount of anion A required to compensate the positive charges, and L is a ligand, preferably N,N'-bis(2-pyridylmethyl)-N-methylamine or N,N,N',N'-tetrakis(2-pyridylmethyl)-1,2-ethylenediamine are employed as catalysts in bleach systems for textile material.
Beller Matthias
Friderichs Vera
Reinhardt Gerd
Tafesh Ahmed
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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