Hardening accelerator composition for cementitious compositions

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United States of America Patent

PATENT NO 9650298
APP PUB NO 20150197448A1
SERIAL NO

14420417

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Abstract

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The invention concerns a process for the for the preparation of a hardening accelerator composition by reaction of a water-soluble calcium compound with a water-soluble silicate compound, the reaction being carried out in the presence of an aqueous solution which contains a plasticizer suitable for hydraulic binders, characterized in that said reaction is being carried out in the presence of apatite and that the molar ratio of calcium to phosphor in the hardening accelerator is from 25/1 to 400/1.

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Patent Owner(s)

Patent OwnerAddress
CONSTRUCTION RESEARCH & TECHNOLOGY GMBH83308 TROSTBERG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leitner, Hubert Haus/Ennstal, DE 8 301
Nicoleau, Luc Altenmarkt, DE 21 148

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