Water-insoluble monoazo dyestuffs

Details Water-insoluble monoazo dyestuffs Water-insoluble monoazo dyestuffs

1975-07-18

1977-01-11

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 41D, 260156, C09B 2700, D06P 102, D06P 312

Patent

active

040024253

ABSTRACT:
Dyestuffs of the formula: ##STR1## wherein R is A. ALKYL HAVING 3 TO 12 CARBON ATOMS;
B. alkenyl having 2 to 4 carbon atoms;
C. alkyl having 2 to 12 carbon atoms substituted by --O--(C.sub.n H.sub.2n O).sub.m --R.sub.1 wherein R.sub.1 is alkyl having 1 to 4 carbon atoms or alkenyl having 2 to 4 carbon atoms, n is 2, 3 or 4 and m is 0, 1 or 2;
D. alkenyl having 2 to 4 carbon atoms substituted by said --O--(C.sub.n H.sub.2n O).sub.m --R.sub.1 or
E. cycloalkyl having 5 or 6 carbon atoms or said cycloalkyl substituted by alkoxy having 1 to 4 carbon atoms; process of making said dyestuffs and process of dyeing hydrophobic synthetic materials therewith and resulting dyed materials.

REFERENCES:
patent: 3487066 (1969-12-01), Ritter et al.
patent: 3869441 (1975-03-01), Hughes

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