Construction chemical compositions comprising a bisulfite adduct of glyoxylic acid

US10723656B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Torben GAEDT · Trostberg, DE
• Joachim DENGLER · Trostberg, DE
• Oliver MAZANEC · Rosenheim, DE
• Christoph Hesse · Ebersberg, DE
• Sebastian Seufert · Trostberg, DE

Key dates

• Filing date: Jun 9, 2017
• Grant date: Jul 28, 2020
• Expiry date: Jul 9, 2037

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02W30/91
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The present invention relates to construction chemical compositions comprising a bisulfite adduct of glyoxylic acid or a salt or mixed salt thereof and an inorganic binder. The composition is useful as a hydration control agent of the inorganic binder.