Patent · US Active

Solidification and hardening accelerator for hydraulic binders and process for its preparation

US8221543B2 · kind B2 · utility

0Cited by

1References

14Claims

0Family size

Assignee

SIKA TECHNOLOGY AG · CH

Inventors

Heinz Schurch · Riehen, CH
Franz Wombacher · Jonen, CH
Benedikt Lindlar · Konstanz, DE
Didier LOOTENS · Küsnacht (ZH), CH
Robert Flatt · Feldmeilen, CH

Key dates

Filing date	Feb 13, 2008
Grant date	Jul 17, 2012
Priority date	—
Expiry date	Sep 26, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/91
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The present invention relates to a fluoride-free solidification and hardening accelerator for hydraulic binders, comprising sulfate, aluminum and organic acid, the molar ratio of aluminum to sulfate being less than 0.83.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.