Disulfonic phenyl-azo-naphthyl-azo-phenyl alkoxy dyes for polyam

Details Disulfonic phenyl-azo-naphthyl-azo-phenyl alkoxy dyes for polyam Disulfonic phenyl-azo-naphthyl-azo-phenyl alkoxy dyes for polyam

1976-03-17

1981-08-25

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260186, 260196, C09B 31062, D06P 139, D06P 316, D06P 324

Patent

active

042858640

ABSTRACT:
New compounds having the structure: ##STR1## (wherein R represents --H, alkyl, alkoxy or a halogen; R.sub.1 represents --H, alkyl, and R.sub.2 represents --H, alkyl or alkoxy) are useful as light fast orange dyes for polyamides and they are especially useful as dyes for differential-dyeing nylon carpeting and for wool.

REFERENCES:
patent: 3267089 (1966-08-01), Feeman
patent: 3676050 (1972-07-01), James
patent: 3725384 (1973-04-01), Zeckendraht et al.
patent: 3951590 (1976-04-01), Studer
Venkataraman, "The Chemistry of Synthetic Dyes", vol. I, pp. 461 to 463, (1952), and vol. II, pp. 1290 to 1292, (1952).

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