Additive for hydraulically setting compositions

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United States of America Patent

PATENT NO 11377392
SERIAL NO

15735829

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Abstract

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The present invention relates to an additive for hydraulically setting compositions comprising a colloidally disperse preparation comprising at least one salt of a polyvalent metal cation with at least one organic phosphonate and/or phosphate compound as anion and at least one polymeric dispersant comprising anionic and/or anionogenic groups and polyether side chains. The additive is especially suitable as slump retainer and for improving early strength.

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Patent Owner(s)

  • CONSTRUCTION RESEARCH & TECHNOLOGY GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gädt, Torben Traunstein, DE 21 91
Grassl, Harald Feichten, DE 23 204
Nicoleau, Luc Villevaude, FR 19 140
Smeets, Alfons Seebruck, DE 4 4

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