Biodegradable dye leveler compounds for acrylic fibers
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United States of America Patent
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Apr 21, 1998
Grant Date -
N/A
app pub date -
Mar 7, 1997
filing date -
Mar 11, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Biodegradable quaternaries of amidoamines are disclosed for use as dye leveler compounds in the basic dyeing of acrylic and other fibers. The quaternary compounds of the invention have leveling activity equivalent to benzyl trimethyl ammonium chloride, but with much higher biodegradability, and generate low foam.
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Cited Art Landscape
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