Mannich base derivatives, and the production and uses thereof
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United States of America Patent
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Feb 7, 1995
Grant Date -
N/A
app pub date -
Jun 11, 1993
filing date -
Jun 11, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Compounds are described in which a phenolic moiety is linked by a Mannich base linkage to an alkylene-poly(oxyalkylene) moiety, and a polyamine moiety is linked to the alkylene-poly(oxyalkylene) moiety by a urea linkage involving one of the nitrogen atoms of the polyamine moiety. These compounds are highly effective detergent/dispersants for use in fuels and other media.
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