Water-insoluble monoazo dyestuffs, their manufacture and their u

Details Water-insoluble monoazo dyestuffs, their manufacture and their u Water-insoluble monoazo dyestuffs, their manufacture and their u

1981-03-19

1983-11-15

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C10700, C07C10706, C07C10708, C09B 2900

Patent

active

044154941

ABSTRACT:
Monoazodyestuffs free from water solubilizing moieties and which are useful in dyeing and printing polyester materials, mixtures of polyesters with natural materials or cellulose triacetate materials have the formula ##STR1## wherein X.sup.1 is nitro, cyano or methylsulphonyl and R.sup.1 is of the formula ##STR2## wherein Y.sup.1 is hydrogen, methyl or ethyl; Y.sup.2 is hydrogen, hydroxyl, alkanoyloxy having 1 to 4 carbon atoms in the alkanoyl moiety, or alkoxycarbonyloxy having 1 to 4 carbon atoms in the alkyl moiety, and said alkanoyloxy and said alkoxycarbonyloxy are each unsubstituted or substituted by alkoxy having 1 to 4 carbon atoms or phenoxy;

REFERENCES:
patent: 1217042 (1917-02-01), Mensching
patent: 2151857 (1939-03-01), Manz et al.
patent: 2311033 (1943-02-01), Dickey
patent: 2323314 (1943-07-01), Dickey et al.
patent: 2373700 (1945-04-01), McNally et al.
patent: 3598802 (1971-08-01), Weaver et al.
patent: 4054560 (1977-10-01), Bruno

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