C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
6/194, 260/429.3
C09B 55/00 (2006.01) C08K 5/00 (2006.01) D06P 1/13 (2006.01)
Patent
CA 1083590
Abstract of the disclosure New water-insoluble compounds had been found of the formula Image wherein the R are different or the same and each is halogen, lower alkyl, lower alkoxy, phenoxy, phenoxy substituted by 1 or 2 substituents selected from the group consisting of halogen, lower alkyl and lower alkoxy, hydroxy, cyano, trifluoromethyl, carboxy, carboxylic acid lower alkyl ester, lower alkanoyl, benzoyl or benzoyl substituted by 1 or 2 substituents selected from the group consisting of halogen, lower alkyl and lower alkoxy, n is 1, 2 or 3 and Z is hydrogen, halogen, lower alkoxy, nitro or cyano, which are well suitable as pigments for dyeing polymer masses, lacquers, caoutchouc, synthetic leather or spin-dyeing viscose or cellulose acetate, for paper and printing pastes. The dyeings obtained with them are excellently fast to light, weather and organic solvents and to the action of heat and are distinguished by a high tinctorial strength, good transparency and very clear shades.
249842
Papenfuhs Theodor
Volk Heinrich
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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