C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
134/56
C09K 3/00 (2006.01) B01D 19/04 (2006.01)
Patent
CA 1148833
Our Reference: 002709 WATER BASED DEFOAMER COMPOSITIONS ABSTRACT OF THE DISCLOSURE Water based defoamer compositions which are invert (water in oil) emulsions containing quick-chilled amides, hydrophobic silica, polymers, emulsifiers, oil and water are useful in defoaming aqueous systems such as found in the kraft pulping process. Optionally, these defoamer compositions may contain silicone surfactants, formaldehyde solution and silicone oil.
338493
Gammon Charles T.
Schmidt William T.
Diamond - Shamrock Corporation
Gowling Lafleur Henderson Llp
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