Stable concentrated liquid preparation of a paper dye of the...

Details Stable concentrated liquid preparation of a paper dye of the... Stable concentrated liquid preparation of a paper dye of the...

C - Chemistry, Metallurgy

09

B

8/4, 8/50

C09B 27/00 (2006.01) C09B 35/26 (2006.01) C09B 67/26 (2006.01) D21H 21/28 (2006.01)

Patent

CA 1088258

Abstract of the Disclosure There is described a stable concentrated liquid preparation of a paper dye of the disazo class, which preparation contains 20 to 40 per cent by weight of the dye of the formula Image optionally in the form of an alkali salt, especially of the sodium salt, dissolved in 10 to 30 per cent by weight of water and 40 to 60 per cent by weight of a tetraalkylene glycol and the use of this preparation for the dyeing and printing of paper, semi-cardboard and cardboard.

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