Polymeric dyes

Details Polymeric dyes Polymeric dyes

C - Chemistry, Metallurgy

09

B

260/382, 8/4

C09B 23/00 (2006.01) C09B 23/10 (2006.01) C09B 69/10 (2006.01) D21H 21/28 (2006.01)

Patent

CA 1123845

Abstract of the disclosure: Polymeric dyes of the general formula I Image I where A is the radical of a methylene-active compound, which may or may not be quaternized, B1 and B2 are bridge members which may or may not be quaternized or B2 may be a direct bond, n is a number > 1, p is a number of positive charges, R is hydrogen, chlorine, bromine, hydroxyl, C1-C8- alkyl, nitro, C1-C8-alkoxy, C1-C8-alkoxycarbonyl, cyano, hydroxycarbonyl, unsubstituted or substituted carbamyl or unsubstituted or substituted amino, R1 is hydrogen, chlorine, hydroxy, C1-C4-alkyl or C1-C4-alkoxy or R and R1 together are an unsubstituted or sub- stituted fused ring, or R and R1 together with B2 are a heterocyclic radical and A? is an anion.

346106

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