Washing and cleaning process

US6399558B1 · kind B1 · utility

Assignee

• Ciba Specialty Chemicals Corporation · US

Inventors

• Menno Hazenkamp · Riehen, CH
• Frank Bachmann · Glückstadt, DE
• Cornelia Makowka · Laufenbürg, DE
• Marie-Josee Dubs · Wittersdorf, FR
• Grit Richter · Neuenbürg, DE
• Gunther Schlingloff · Östringen, DE
• Josef Dannacher · Basel, CH

Key dates

• Filing date: Sep 4, 2001
• Grant date: Jun 4, 2002
• Expiry date: Sep 4, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/3947
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A washing and cleaning process which comprises adding to the corresponding liquor comprising a peroxide-containing washing and cleaning agent 1 to 500 millimoles per liter of liquor of one or more than one compound of the salene type.