Method for cleaning hard surfaces using a composition comprising a colloidal silica sol

US7745383B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Michael Dreja · Cologne, DE
• Juergen Noglich · Goldkronach, DE
• Bernhard Guckenbiehl · Cologne, DE

Key dates

• Filing date: Jun 13, 2005
• Grant date: Jun 29, 2010
• Expiry date: Jun 13, 2025

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/124
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Cleaner for hard surfaces, especially glass. Application of the cleaner containing a colloidal silica sol results in a modification of the streaming potential of the surface by −5 to −50 mV. The cleaner can be used to hydrophilize and clean hard surfaces by contact.