Setting retarder for hydraulically setting compositions
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United States of America Patent
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May 21, 2013
Grant Date -
Mar 10, 2011
app pub date -
Apr 9, 2009
filing date -
Apr 10, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a setting retarder for compounds that set hydraulically, containing at least one at least simple adduct and/or condensate, the retarder being produced by the reaction of at least one protein hydrolysate, one pure amino acid, amino acid mixture, and/or the hydrochlorides thereof having at least one mono-, di-, oligo- and/or polycarboxylic acid which is not derived from an amino acid, and/or a carboxylic acid derivative derived therefrom, wherein the carboxylic acid is selected from a group including carboxylic acid anhydrides, carboxylic acid halogenides, and/or carboxylic acid active esters.
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