Lightweight concrete compositions containing antimicrobial agents
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United States of America Patent
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-
Dec 15, 2009
Grant Date -
Feb 1, 2007
app pub date -
Sep 14, 2006
filing date -
Mar 22, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A lightweight concrete composition containing from 10 to 90 volume percent of a cement composition, from 10 to 90 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g/cc to 0.64 g/cc, an aspect ratio of from 1 to 3, and from 0 to 50 volume percent of aggregate, where the particles contain an antimicrobial agent; where the sum of components used does not exceed 100 volume percent, and where after the lightweight concrete composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39 after seven days. The concrete composition can be used to make concrete masonry units, construction panels, dining tables, counter surfaces, bench tops, and/or examination tables as well as other articles.
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