Inerting clay minerals and improving the effect of liquefiers in clay-containing mineral binder compositions

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United States of America Patent

PATENT NO 11021398
APP PUB NO 20180327312A1
SERIAL NO

15771356

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Abstract

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The use of an amine compound and/or of a salt of the amine compound to inert clay minerals with respect to dispersants in a mineral binder composition containing clay minerals and/or to improve or increase the effect of a dispersant in a mineral binder composition containing clay minerals, wherein the amine compound has a structure according to formula I:

description='In-line Formulae' end='lead'H2N—(CHR21)e—[NR22—(CHR23)f]s—[NR24—(CHR25)g]t—NH2  (I)description='In-line Formulae' end='tail'

and wherein: each s and t, independently of each other, has a value of 0-2; each e, f, and g, independently of each other, has a value of 2-10; each R21, R22, R23, R24, and R25, independently of each other, represents hydrogen or —CH3.

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Patent Owner(s)

Patent OwnerAddress
SIKA TECHNOLOGY AGBAAR

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bürge, Christian Schafisheim, CH 18 44
Colaiacovo, Giuseppe Oetweil an der Limmat, CH 1 0
Marazzani, Beat Oberengstringen, CH 17 90
Wombacher, Franz Jonen, CH 31 147

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