Amine containing strength improvement admixture

US7972435B2 · kind B2 · utility

Assignee

• CONSTRUCTION RESEARCH & TECHNOLOGY GMBH · DE

Inventors

• Jeffrey R. Bury · Macedonia, US
• Thomas M. Vickers, Jr. · Powell, US
• Bruce J. Christensen · Goleta, US

Key dates

• Filing date: Jun 2, 2009
• Grant date: Jul 5, 2011
• Expiry date: Jun 2, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B28/02
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A strength improvement admixture composition is provided that increases the compressive strength of cementitious compositions without negatively increasing the setting time. The admixture comprises the components of a polycarboxylate dispersant and strength improvement additive.