Mannich bases and processes for the preparation of mannich bases
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United States of America Patent
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May 3, 2011
Grant Date -
Apr 26, 2007
app pub date -
May 4, 2004
filing date -
May 5, 2003
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Abstract
Disclosed are novel Mannich bases which are produced by using at least one phenolic compound of formula (I):formaldehyde, and at least one polyamine. Also disclosed is a two-step method for producing Mannich bases, by means of which low viscous Mannich bases are obtained.
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