MIXTURE, COMPOSITION AND PROCESS FOR SURFACE TREATMENT OF PAPER
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United States of America Patent
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Issued Date -
Oct 20, 2011
app pub date -
Apr 12, 2011
filing date -
Apr 19, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a mixture comprising at least one fluorescent whitening agent and at least one chelating agent, a composition for the surface treatment of paper or cardboard comprising said mixture, a process for the treatment of paper or cardboard by means of said composition and paper or cardboard obtainable through said process.
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