Anthraquinone reactive dyes for cellulose-containing fibers
AssigneeMitsubishi Chemical Industries Limited
InventorsSeiichi Imahori, Toshio Hihara, Tomio Yomeyama, Takao Hirota
Life of this patent
Estimating the term…
Loading patent…
AssigneeMitsubishi Chemical Industries Limited
InventorsSeiichi Imahori, Toshio Hihara, Tomio Yomeyama, Takao Hirota
Estimating the term…
An anthraquinone dye for direct printing and pad dyeing of cellulose-containing fibers and of the formula: ##STR1## wherein A represents a phenylene group, Y represents a group --NH-- or --C.sub.2 H.sub.4 O--, X represents a carbamoyl group which may be substituted with a lower alkyl group or a lower alkoxy-lower alkyl group, a sulfamoyl group which may be substituted with a lower alkyl group or a lower alkoxy-lower alkyl group, a halogen atom or a cyano group, and Z represents an amino group, a mono- or di-alkylamino group having 1-6 carbon atoms in total, an anilino group, a lower alkoxy group or a group --O(R.sup.1 O).sub.n -R.sup.2 in which R.sup.1 represents an ethylene group or a propylene group, R.sup.2 represents a methyl group or an ethyl group and n is an integer of 1-5.
A dye of the formula ##STR18## wherein A represents a phenylene group, Y represents a group --NH-- or --C.sub.2 H.sub.4 O--, X represents a carbamoyl group which may be substituted with a lower alkyl group or a lower alkoxy-lower alkyl group, a sulfamoyl group which may be substituted with a lower alkyl group or a lower alkoxy-lower alkyl group;
Dependencies are inferred from the claim text.