Cationic polymer flocculant
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United States of America Patent
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-
Jan 25, 1983
Grant Date -
N/A
app pub date -
Oct 28, 1981
filing date -
Jun 9, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Novel cationic polymer flocculants are prepared by polycondensation of an epihalohydrin and mixed Mannich reaction products of a monohydric phenol and bisphenol with formaldehyde and dialkylamine. The flocculants are stable in aqueous solutions and show an excellent effect in purification of industrial effluents.
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