Storage-stable quaternary styryl dye solutions

D - Textiles – Paper – 06 – P

Patent

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D06P 1/00 (2006.01) C09B 23/14 (2006.01) C09B 67/34 (2006.01)

Patent

CA 1102964

ABSTRACT Concentrated storage-stable quaternary styryl dye solutions useful to dye paper the solutions comprising, by weight. (i) 20% to 40% of the dye Image wherein A? is an anion, (ii) 30% to 50% of at least one of acetic acid and propionic acid, (iii) 10% to 40% of at least one of acrylic acid and meth- acrylic acid, and (iv) 3.3% to 4.5% of water.

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