Flotation-aid composition and method of use thereof
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United States of America Patent
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Sep 29, 1992
Issued Date -
N/A
app pub date -
Aug 11, 1988
filing date -
May 30, 1986
priority date (Note) -
Expired
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Abstract
Copolymers of an acrylic compound and a polymerizable quaternary ammonium compound are useful as flotation-aids for removing oils and/or solid materials from aqueous systems. The polymerizable quaternary ammonium compounds are 1-alkoxy-2-hydroxy propyl quaternaries of N-(N'N'-dialkylaminoalkyl)acrylamides.
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