C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/42 (2006.01) C07D 251/50 (2006.01) C07D 251/52 (2006.01) C07D 251/54 (2006.01) C07D 251/68 (2006.01) C07D 251/70 (2006.01) C09K 11/06 (2006.01) D06L 3/12 (2006.01) D06M 13/358 (2006.01) D21H 21/30 (2006.01)
Patent
CA 2504256
The present invention provides novel bis-triazinylaminostilbene amphoteric fluorescent whitening agents, comprising both individual components and mixtures thereof, a process for their preparation, intermediates useful for their prepartion and use of the fluorescent whitening agents for the fluorescents whitening of paper.
L'invention concerne de nouveaux agents de blanchiment fluorescents, amphotères de bis-triazinylaminostilbène, comprenant à la fois des composants individuels et leurs mélanges. L'invention concerne également un procédé de préparation desdits agents et leur utilisation dans le blanchiment fluorescent du papier.
Fletcher Ian John
Rohringer Peter
Scheffler Goetz
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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