Detergents or cleaning agents containing a bleach-enhancing transition metal complex which is optionally produced in situ

US8513177B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Andre Hatzelt · Düsseldorf, DE
• Anette Nordskog · Sandefjord, NO
• Siglinde Erpenbach · Monheim, DE
• Jörg Sundermeyer · Marburg, DE
• Felix Gärtner · Marburg, DE

Key dates

• Filing date: May 23, 2012
• Grant date: Aug 20, 2013
• Expiry date: May 23, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/3932
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A bleach catalyst includes a complex of Fe—, Mo—, Mn— and/or W with a ligand having a skeleton of formula (I).