D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 21/12 (2006.01) B01D 19/04 (2006.01) D21H 17/04 (2006.01) D21H 17/35 (2006.01) D21H 17/72 (1990.01)
Patent
CA 2110523
DEFOAMER COMPOSITION ABSTRACT OF THE INVENTION A defoamer composition useful in pulp and paper processes is disclosed which contains a hydrocarbon in a stable liquid state characterized by having no or minimal chemical reactive groups, and which is preferably a polyalphaolefin, as carrier fluid and a high density polymer as a defoaming agent. This composition has advantages over defoamers containing petroleum oil and ethylene-bis-stearamide.
Gowling Lafleur Henderson Llp
Houghton International Inc.
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