Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1979-06-14
1981-05-12
Higel, Floyd D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260152, 260157, 260158, 260206, 260207, 2602071, 260208, 260458C, 564 86, 564163, 564202, 564442, 564443, C09B 29033, C09B 29036, C09B 29085, C09B 2926
Patent
active
042671043
ABSTRACT:
Disclosed are new azo dyes prepared by diazotizing selected substituted anilines and coupling with aniline couplers containing sulfate ester groups. These dyes impart fast yellow to reddish-orange shades on polyamide fibers and also color cellulose acetate and wool. The dyes have the following general formula: ##STR1## wherein R is selected from a variety of groups such as alkyl, alkoxy, aryl, cycloalkyl, aryloxy, NH.sub.2, and NH alkyl; X is hydrogen, halogen, alkyl, or the like; Y is hydrogen or halogen; R.sub.1 is selected from groups such as hydrogen, alkyl, alkoxy, halogen, acylamido, alkylthio, and aryloxy; R.sub.2 is selected from such groups as hydrogen, alkyl, aryl and cycloalkyl; Z is a linking group such as alkylene; M is H.sup.+, Na.sup.+, K.sup.+, or NH.sub.4.sup.+ ; and m is 0, 1, or 2.
REFERENCES:
patent: 2225651 (1940-12-01), McNally et al.
patent: 2261175 (1941-11-01), McNally et al.
patent: 2615013 (1952-10-01), Dickey
patent: 2615014 (1952-10-01), Dickey
Giles Ralph R.
Weaver Max A.
Eastman Kodak Company
Higel Floyd D.
Reece III Daniel B.
Spurrell Donald W.
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