C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
8/4, 8/6, 260/16
C09B 31/04 (2006.01) C09B 31/08 (2006.01) C09B 43/124 (2006.01) C09B 43/16 (2006.01) C09B 62/83 (2006.01) D06P 1/06 (2006.01)
Patent
CA 1066271
Abstract of the Disclosure Disclosed are compounds of formula I, Image I wherein D is a radical (a) or (b), Image Image (a) (b) X is -COOM or -SO3M, R1 and R2, independently, are hydrogen, halogen, C1-3alkyl or C1-3alkoxy, m is 1, 2 or 3,and,when 3, the two sulpho groups are other than on adjacent carbon atoms, n is 1 or 2, with the proviso that the sum of n + m is 3 or 4, R3 is hydrogen, C1-3alkyl or C1-3alkoxy, R4 is hydrogen, or C1-3alkyl, R3 and R4, when both other than hydrogen, being in para position relative to each other, R is hydrogen or a radical (c), Image (c) it being hydrogen only when D is a radical (a'), Image in which the -COOM group is m- or p- to the azo linkage, R5 is -CHR6-CHR6-O-?CHR7CH2O?PH, either both R6's are hydrogen, or one of the R6's is hydrogen, the other methyl or ethyl, R7 is hydrogen, methyl or ethyl, R8 is hydrogen, C1-5alkyl or -CHR6-CHR6-O?CHR7CH2O?qH, Y is -NR9R10 or -N(R11)-CHR6-CHR6-O?CHR7CH2O?rH, R9 and R10 independently, are hydrogen or C1-6alkyl, R11 is hydrogen, C1-6alkyl or -CHR6-CHR6-O?CHR7CH2O?tH, p, q, r and t, independently, are 0, 1, 2 or 3, and M is hydrogen or a non-chromophoric cation, their production and use in the dyeing of paper and leather, particularly the former, optionally in the form of concen- trated liquid or powder or granulate dyeing preparations.
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