JPS6334189B

The invention relates to cationic fluorescent whitening agents of the formula wherein A is the radical of a fluorescent whitening agent, Q is the direct bond or a bridge member, R1 to R5 are specific substituents and n is 1 or 2. A process for the manufacture of these compounds and a method of white...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KURISUCHIAN RUTEI, KURUTO UEBAA, HANSU RUDORUFU MEIYAA
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to cationic fluorescent whitening agents of the formula wherein A is the radical of a fluorescent whitening agent, Q is the direct bond or a bridge member, R1 to R5 are specific substituents and n is 1 or 2. A process for the manufacture of these compounds and a method of whitening organic material which comprises their use are also disclosed.