Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-01-17
1977-10-18
Higel, Floyd D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260148, 544190, C09B 4542, C09B 6208, D06P 110, D06P 1382
Patent
active
040545598
ABSTRACT:
Reactive disazo dyestuffs of the following formula are disclosed. ##STR1## or --NHR wherein w.sub.1, w.sub.2, w.sub.3, and w.sub.4 represent hydrogen or methyl; Q represents --SO.sub.2 -- or --CO--; k, r, l and q represent 1 or 0; R represents hydrogen; --COCH.sub.3 ; ##STR2## which may be substituted by methyl or chloro; phenyl which may be substituted by sulfo or carboxy; or --CH.sub.2 CH.sub.2 OH. Hal represents chloro or bromo. X represents amino; mono- or di-alkylamino having from 1 to 3 carbon atoms; mono- or di-hydroxyalkylamino having from 1 to 3 carbon atoms; anilino which may be substituted by a sulfo group, carboxy group, methyl, ethyl, nitro, methoxy, ethoxy, acetylamino, sulfamoyl, .beta.-sulfatoethylsulfonyl, cyano, chloro, or bromo; N-methylanilino; carboxymethylamino; .beta.-sulfoethylamino; N-(.beta.-hydroxyethyl)-methylamino; naphthylamino which may be substituted by a sulfo group; morpholino; alkoxy having from 1 to 3 carbon atoms; or phenoxy which may be substituted by chloro, nitro, sulfo, or methyl, and p is 0 or 1, m is a whole number from 1 to 3 and n is a whole number from 1 to 2. These dyestuffs are useful for dyeing of such materials as cellulosic fibers.
REFERENCES:
patent: 2860128 (1958-11-01), Gunst
patent: 2891941 (1959-06-01), Fasciati
patent: 2938895 (1960-05-01), Obsterlein
patent: 2993038 (1961-07-01), Fasciati et al.
patent: 3125562 (1964-03-01), Ammann et al.
patent: 3361734 (1968-01-01), Schweizer
Aoki Kisuke
Hiraki Masahiro
Sotogoshi Teruhito
Higel Floyd D.
Nippon Kayaku Kabushiki Kaisha
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