Guanidine sulphonate phthalocyanine sulphonamide dyestuff...

Details Guanidine sulphonate phthalocyanine sulphonamide dyestuff... Guanidine sulphonate phthalocyanine sulphonamide dyestuff...

C - Chemistry, Metallurgy

09

B

8/1, 260/196.5

C09B 47/04 (2006.01) C09B 47/26 (2006.01)

Patent

CA 1037470

Abstract of the Disclosure Disclosed are phthalocyanine dyes of formula I, Image I in which Me signifies copper or nickel Pc signifies a phthalocyanine radical, the R1's, independently, signify a linear, branched or cyclic aliphatic radical, unsubstituted or sub- stituted by chlorine, bromine, alkoxy, cyano, alkylcarbonyl, alkoxycarbonyl, benzoyl, alkyl- carbonyloxy, alkoxycarbonloxy or benzoyloxy, the R2's, independently, signify a phenyl radical, unsubstituted or sub- stituted by a chlorine or bromine atom or a nitro or cyano group or by up to two substituents selected from methyl, methoxy and ethoxy groups, m signifies 1 or 2, and n signifies 2 or 3, the sum n + m being 3 or 4 and mixtures thereof.

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