Bleaching composition comprising polyoxometallates as bleaching catalyst

US5928382A · kind A · utility

Assignee

• Clariant Corporation · DE

Inventors

• Gerd Reinhardt · Kelkheim, DE
• Vera Friderichs · Bernkastel-Kues, DE
• Bernd Scharbert · Frankfurt, DE
• Rolf Peter Schulz · Dinslaken, DE
• Bernt Krebs · Munster, DE
• Rainer Bohner · Norden, DE
• Christian Thulig · Ahlen, DE

Key dates

• Filing date: Aug 22, 1996
• Grant date: Jul 27, 1999
• Expiry date: Aug 22, 2016

Classification

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

Abstract

Bleach composition comprising one or more bleaching agents and one or more polyoxometallates of the formula EQU (Q).sub.q (A.sub.a X.sub.x M.sub.m O.sub.y Z.sub.z (H.sub.2 O).sub.b.cH.sub.2 O as bleaching catalyst, the symbols Q, A, X, M, Z, q, a, x, m, y, z, b and c being as defined in the description.