Methanesulfonamide azo dyes

Details Methanesulfonamide azo dyes Methanesulfonamide azo dyes

C - Chemistry, Metallurgy

09

B

C09B 45/04 (2006.01) C09B 29/16 (2006.01) C09B 29/36 (2006.01) C09B 31/02 (2006.01) C09B 31/072 (2006.01) C09B 31/147 (2006.01) C09B 31/20 (2006.01) C09B 33/22 (2006.01) C09B 45/18 (2006.01) C09B 45/28 (2006.01)

Patent

CA 2521861

The invention relates to monoazo, disazo and trisazo colorants of formula (I), wherein M represents two hydrogen atoms or a metal ion selected from the group consisting of Cu, Co, Ni, Mn, Zn and Al, and A represents the radical of a substituted naphthyl radical or pyrazolyl radical.

L'invention concerne des colorants monoazoïques, disazoïques et trisazoïques de formule (I), dans laquelle M désigne deux atomes d'hydrogène, ou un ion métal du groupe Cu, Co, Ni, Mn, Zn et Al ; A désigne le reste d'un résidu naphtyle ou pyrazolyle substitué.

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