Antifoulant compositions and methods
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United States of America Patent
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Feb 13, 1990
Grant Date -
N/A
app pub date -
Jul 21, 1989
filing date -
Jul 21, 1989
priority date (Note) -
Expired
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Abstract
Fouling of heat exchangers in chemical processing or oil refining systems is inhibited by incorporating into a petroleum derived stock an effective antifouling amount of a mixture of (a) a condensation product of an alkylphenol, an aldehyde, and an amine; and (b) a diaminomethane.
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