Ligand and complex for catalytically bleaching a substrate

US6818149B2 · kind B2 · utility

Assignee

• Unilever Home & Personal Care USA, Division of Conopco, Inc. · US

Inventors

• Heidi Boerzel · Ludwigshafen, DE
• Peter Comba · Heidelberg, DE
• Ronald Hage · Vlaardingen, NL
• Marion Kerscher · Heidelberg, DE
• Joachim Lienke · Vlaardingen, NL
• Michael Merz · Grabs, CH

Key dates

• Filing date: Dec 14, 2001
• Grant date: Nov 16, 2004
• Expiry date: Nov 11, 2022

Classification

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

Abstract

The present invention provides a bleaching composition comprising a [3.3.1] bicyclo compound carrying at least one tertiary amine group the bleaching composition substantially devoid of a peroxygen source.