Mannich base derivatives, and the production and uses thereof
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United States of America Patent
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Sep 24, 1996
Grant Date -
N/A
app pub date -
Mar 20, 1995
filing date -
Mar 20, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Compounds are described in which a phenolic moiety is linked to a polyamine moiety by means of a Mannich base linkage, and the polyamine moiety is linked to an alkylene-poly(oxyalkylene) moiety by means of a urea linkage in which one of the nitrogen atoms of the urea linkage is a nitrogen atom of the polyamine. These compounds useful as detergent/dispersants in fuels and other media.
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