Demulsifying composition
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United States of America Patent
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Jan 5, 1993
Issued Date -
N/A
app pub date -
May 22, 1990
filing date -
Jan 6, 1989
priority date (Note) -
Expired
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Abstract
Water-in-oil emulsions of the type found in petroleum oil refineries and other industrial operations are demulsified by adding thereto an effective amount of a mixture of these components comprising 1. Tannin or amino methylated tannin 2. A cationic polymer or blend of such polymers 3. An alkoxylated triamino methane or other polyfunctional amines or hydroxy compounds.
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