Heat stable fabric softener
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United States of America Patent
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May 22, 2012
Grant Date -
Oct 6, 2011
app pub date -
Apr 1, 2010
filing date -
Apr 1, 2010
priority date (Note) -
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Abstract
A fabric softener composition, comprising 1% to 49% by weight of a bis-(2-hydroxypropyl)-dimethylammonium methylsulphate fatty acid ester having a molar ratio of fatty acid moieties to amine moieties of from 1.85 to 1.99, wherein the average chain length of the fatty acid moieties is from 16 to 18 carbon atoms and the iodine value of the fatty acid moieties, calculated for the free fatty acid, is from 0.5 to 50.
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