Dyes from diazotized sulfonylaminoalkylphosphonic acids and naph

Details Dyes from diazotized sulfonylaminoalkylphosphonic acids and naph Dyes from diazotized sulfonylaminoalkylphosphonic acids and naph

1987-11-20

1989-07-25

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534582, 534583, 534617, C09B 62533, C09B 6283, D06P 138, D06P 366

Patent

active

048515167

ABSTRACT:
This invention relates to novel disazo dyes and processes for their production having the structure: ##STR1## wherein: R.sub.1 is H, lower alkyl, chloro, lower alkoxy, --CO.sub.2 M;

REFERENCES:
patent: 4150020 (1979-04-01), Swidler et al.
patent: 4150021 (1979-04-01), Swidler et al.
patent: 4472308 (1984-09-01), Gauthier

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