Dispersant for concrete mixtures of high salt content

US4818288A · kind A · utility

Assignee

• SKW Trostberg Aktiengesellschaft · DE

Inventors

• Alois Aignesberger · Trostberg, DE
• Johann Plank · Kelheim, DE

Key dates

• Filing date: May 11, 1988
• Grant date: Apr 4, 1989
• Expiry date: May 11, 2008

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S516/03
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to condensation products of aldehydes and ketones, which contain acid groups and are especially suitable as dispersants for binding agent mixtures of high salt content.