Liquid defoamer and defoaming process
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United States of America Patent
Stats
-
Dec 1, 1981
Issued Date -
N/A
app pub date -
Mar 31, 1980
filing date -
Oct 18, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A free flowing aqueous defoamer comprised of a solid alcohol, a solid fatty acid, a soap of a solid fatty acid and an anionic and/or non-ionic surfactant which prevents formation of a gelled mass of the solids and provides a free flowing dispersion of the solids in the water, with the solids contents being at least 5%, preferably at least 20%, all by weight, and with such solids having been treated to provide hydrophobic surfaces. A water soluble salt of a metal having a valence of greater than 1, such as aluminum, iron, magnesium, or calcium may be added to the composition to provide hydrophobic particle surfaces.
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