Silicone foam control agent
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United States of America Patent
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Feb 18, 2003
Grant Date -
N/A
app pub date -
Aug 11, 2000
filing date -
Aug 13, 1999
priority date (Note) -
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Abstract
A foam control agent, comprising (A) an organopolysiloxane material having at least one silicon-bonded substituent of the formula X-Ph, wherein X denotes a divalent aliphatic organic group bonded to silicon through a carbon atom and Ph denotes an optionally substituted aromatic group, (B) a water-insoluble organic fluid, (C) an organosilicon resin and (D) a hydrophobic filler. The foam control agent may be provided as an emulsion or as a particulate material. It is especially useful as a detergent foam control agent.
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