Manganese complexes as catalysts for peroxygenated compounds to clean hard surfaces, especially dishes

US6306808A · kind A · utility

Assignee

• Ciba Specialty Chemicals Corporation · US

Inventors

• Menno Hazenkamp · Riehen, CH
• Marie-Josee Dubs · Wittersdorf, FR
• Frank Bachmann · Glückstadt, DE
• Gunther Schlingloff · Östringen, DE
• Rachel Allemann · Saint-Louis, FR
• Josef Dannacher · Basel, CH

Key dates

• Filing date: Feb 15, 2001
• Grant date: Oct 23, 2001
• Expiry date: Feb 15, 2021

Classification

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

Abstract

The present invention relates to the use of certain manganese complexes as catalysts for reactions with peroxy compounds for bleaching colored stains on hard surfaces. The invention also relates to cleaning agents for hard surfaces comprising such manganese catalysts.