Fluorescent whitening agent compositions

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United States of America Patent

PATENT NO 8920605
SERIAL NO

14006860

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Abstract

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The invention relates to a composition suitable for optically whitening paper or board, wherein the composition contains specified bis-triazinylamino-stilbene fluorescent whitening agents with carboxylic acid and/or sulfonic acid groups. The composition can be used for whitening paper in the pulp, size press or by coating.

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Patent Owner(s)

Patent OwnerAddress
BLANKOPHOR GMBH & CO KG49577 ANKUM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hunke, Bernhard Hennef, DE 13 33
Klug, Günter Langenfeld, DE 3 1
Kraemer, Michael Kurten, DE 51 817
Tauber, Andrei Cologne, DE 10 17

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