Additives for mineral building materials containing cement

US6545067B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Karl-Heinz Buchner · Altlußheim, DE
• Michael Ehle · Ludwigshafen, DE
• Johannes Perner · Neustadt, DE
• Knut Oppenlander · Ludwigshafen, DE
• Markus Hartmann · Neustadt, DE
• Wolfgang H. H. Gunther · Hersbruck, DE
• Matthias Kroner · Eisenberg, DE

Key dates

• Filing date: Mar 16, 2001
• Grant date: Apr 8, 2003
• Expiry date: Mar 16, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B24/32
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Mixtures of at least one polycarboxylate-based plasticizer for cement-comprising mineral building materials, and butoxylated polyalkylenepolyamines or their salts as air detrainers, and the use of such mixtures as additives for mineral building materials comprising cement, are described.