Formamidinesulfinic-acid compositions
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United States of America Patent
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Nov 20, 2001
Grant Date -
N/A
app pub date -
May 19, 1999
filing date -
May 20, 1998
priority date (Note) -
Expired
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Abstract
A blend is disclosed containing formamidinesulfinic acid, an scale-inhibiting agent that can be neutral or acidic, and/or finely divided silica having good flowability to be used for the purpose of reductive bleaching in the paper and textile industries, whereby, in particular, polcarboxylates and polyacrylic acids are employed having a content of about 10% of a polyamide in the form of a copolymer.
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