Disulfo-type fluorescent whitening agents

The present invention relates to the use of concentrated aqueous fluorescent whitening agent preparations for optically whitening paper, wherein the preparation contains a specific disulfo-type fluorescent whitening agent.

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Bibliographische Detailangaben
Hauptverfasser:	TAUBER, ANDREI, LANSING, THEO, KRAEMER, MICHAEL, KLUG, GUENTER, HAFERMANN, MARCO, HUNKE, BERNHARD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HETEROCYCLIC COMPOUNDS IMPREGNATING OR COATING OF PAPER METALLURGY ORGANIC CHEMISTRY PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	The present invention relates to the use of concentrated aqueous fluorescent whitening agent preparations for optically whitening paper, wherein the preparation contains a specific disulfo-type fluorescent whitening agent.