C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 29/36 (2006.01) C09B 29/01 (2006.01) C09B 29/30 (2006.01) C09B 67/24 (2006.01) C09B 69/04 (2006.01)
Patent
CA 2125612
ABSTRACT OF THE DISCLOSURE This invention relates to an azo compound useful as a dyestuff having the formula Image wherein R1 is C1-C6 alkyl, C5-C8 cycloalkyl, halogen, or nitro; R2 and R3 are independently hydrogen, C1-C6 alkyl, C5-C8 cycloalkyl C6-C10 aryl, C7-C16 aralkyl, C2-C6 alkanoyl, (C5-C8 cycloalkane)carbonyl, or C7-C11 aroyl; R4 is hydrogen, C1-C6 alkyl, or C2-C6 alkanoyl; and Mn+ is (a) RaRbRcRdN+, wherein Ra, Rb, Rc, and Rd are independently hydrogen, C1-C6 alkyl, or C2-C6 hydroxyalkyl, (b) 1/n moles of an n-valent metal ion per mole of the azo compound, or (c) H+.
Cone Ellen
Good James J.
Corporation Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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