Method of enhancing the opacity of printing papers and paper produced thereof
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United States of America Patent
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Sep 16, 1997
Issued Date -
N/A
app pub date -
Sep 27, 1996
filing date -
Mar 15, 1994
priority date (Note) -
Expired
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Abstract
A chemical composition for use in the papermaking process to produce a paper having enhanced opaqueness is provided. The process using the composition to make the paper and the paper made therefrom are also provided by the present invention. The composition contains an alkyl bis (alkyl amido alkyl)-2-hydroxy alkyl ammonium alkyl salt.
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