Naphtholactam dyestuffs

Details Naphtholactam dyestuffs Naphtholactam dyestuffs

C - Chemistry, Metallurgy

09

B

260/262, 260/277

C09B 57/00 (2006.01) C09B 57/06 (2006.01) D06P 1/90 (2006.01)

Patent

CA 1086318

Abstract of the Disclosure A dyestuff of the general formula (I) Image (I) in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or preferably, hydrogen, M represents hydrogen or a cation, Y represents a free or modified carboxyl group, Z represents a non-ionic substituent, n represents 0, 1 or 2, A represents a heterocyclic radical or an aromatic radical having negative substituents and B and C can carry further non-ionic substituents. The dyestuffs give brilliant red and yellow shades on polyester fibers.

279401

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