C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/395 (2006.01) C11D 3/39 (2006.01)
Patent
CA 2423503
Bleach compositions comprising certain carboxylate-containing cobalt catalysts are provided. More specifically, the invention relates to automatic dishwashing detergents and laundry compositions which provide enhanced cleaning/bleaching benefits (especially tea stain removal) through the selection of cobalt catalysts having the formula: [Co(NH3)5M]T y, wherein cobalt is in the +3 oxidation state; and M is a substituted and unsubstituted C1-C30 carboxylate-containing ligand having the formula: RC(O)O-.
Perkins Christopher Mark
Scheper William Michael
Dimock Stratton Llp
The Procter & Gamble Company
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