Use of comb polymers as a grinding agent for preparations containing cement

US8119727B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Joachim Pakusch · Ludwigshafen, DE
• Stefan Becker · Mannheim, DE
• Thomas Goetz · Leimersheim, DE
• Rainer Dyllick-Brenzinger · Speyer, DE
• Rolf Gulden · Bischofswerda, DE

Key dates

• Filing date: Nov 23, 2006
• Grant date: Feb 21, 2012
• Expiry date: Sep 5, 2027

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P40/10
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The present invention relates to the use of comb polymers which have a carbon backbone which bears polyether groups of the formula A*—U—(C(O))k—X-(Alk-O)n—W  Awherein