Additive for special plasters and mortars, compositions containing the additive and utilization of the additive in special plasters and mortars
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United States of America Patent
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Nov 30, 2004
Grant Date -
N/A
app pub date -
Dec 19, 2000
filing date -
May 20, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A water retaining additive for conglomerate building materials, free of cellulose-like derivatives, that comprises at least a rheological grade clay, preferably sepiolite, and a modified natural gum such as guar gum, as well as conglomerate compositions that contain the additive, as well as the use of the additive for different constructions materials comprised of gypsum and special mortars are described.
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