C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
260/162, 6/197,
C09B 29/32 (2006.01) C09B 29/33 (2006.01) C09B 31/10 (2006.01) C09B 31/11 (2006.01) D06P 1/04 (2006.01)
Patent
CA 1084910
Abstract of the Disclosure Azo pigments of the formula Image wherein R represents an alkylsulphonyl, an aralkylsulphonyl or an arylsulphonyl group, an alkanoyl, a benzoyl, an alkanoyloxy, an aroyloxy group or the group -N=N-aryl, R2 represents a hydrogen atom, an alkyl group or a phenyl radical, X1 and X2, each independently of the other, represents a hydrogen or halogen atom, an alkyl, alkoxy, trifluoro- methyl or nitro group, Y represents a hydrogen or halogen atom, an alkyl, alkoxy or a phenoxy group, n is 1 or 2, Z represents the NH-group or a group of the formula -CONH- or Image wherein R3 represents an alkyl or a phenyl radical, are useful for coloring plastics and lacquers in yellow to orange shades of good fastness properties.
303404
Ag Ciba-Geigy
Fetherstonhaugh & Co.
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