Process for producing low-salt silica sol dispersions in low-boiling alcohols

US5885485A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Uwe Brekau · Cologne, DE
• Bernd Rosenow · Leverkusen, DE
• Hans-Dieter Block · Cologne, DE

Key dates

• Filing date: Jun 9, 1997
• Grant date: Mar 23, 1999
• Expiry date: Jun 9, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C23C26/00
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for producing low-salt silica sol dispersions in low-boiling alcohols and to the use of the organosols obtained by this process for the production of coatings on metallic and nonmetallic substrates.