Triazinylaminostilbene disulphonic acid mixtures
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United States of America Patent
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Sep 8, 2009
Grant Date -
Dec 18, 2008
app pub date -
Jan 10, 2005
filing date -
Jan 20, 2004
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Expired
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Abstract
The present invention relates to a fluorescent whitening agent comprising a mixture of two symmetrically and one asymmetrically substituted triazinylaminostilbene disulphonic acids, certain novel derivatives, a process for their preparations and use of the mixture for whitening synthetic or natural organic materials, especially paper and for the fluorescent whitening and improvement of sun protection factors of textile materials.
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