Use of dispersants to improve the retention of fluidity of concrete
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United States of America Patent
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Issued Date -
Nov 30, 2006
app pub date -
Apr 9, 2004
filing date -
Apr 11, 2003
priority date (Note) -
Abandoned
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Abstract
The invention relates to the use of polycarboxylates of polyoxyalkylene for the production of compositions of concrete wit a slump value T0 of between 12 and 20 cm inclusive, for improving the retention of fluidity with time. The invention further relates to fresh concrete compositions with such a slump value containing said dispersant.
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