Uniformly dyed water-swellable cellulosic fibers

Claim 1

Uniformly dyed water-swellable cellulosic fibers, said fibers being fast to washing, dry cleaning, sublimation and light, and having been produced by contacting water-swellable cellulose fibers sequentially or concomitantly with water, ethylene glycol or a derivative thereof and, while the fibers are still swollen with an essentially water-insoluble dye of the formula ##STR222## in which one R is R 1 , or ##STR223## the other R is ##STR224## D is phenyl which is substituted by cyano, trifluoromethyl, ##STR225## or D is anthraquinonyl which is unsubstituted or substituted by methyl; R 1 is hydrogen, alkyl or 1 to 8 carbon atoms, alkyl of 2 to 8 carbon atoms which is substituted by hydroxyl, alkoxy of 1 to 8 carbon atoms, benzyloxy or β-phenylethoxy; phenylakyl (where alkyl is of 1 to 4 carbon atoms), tolylalkyl (where alkyl is of 1 to 4 carbon atoms), phenyl, which is unsubstituted or substituted by methyl, ethyl or R 1 is (CH 2 ) 3 OC 2 H 4 C 6 H 5 ; R 2 is hydrogen, alkyl of 1 to 8 carbon atoms, or alkyl of 2 to 9 carbon atoms substituted by hydroxyl or alkoxy of 1 to 8 carbon atoms, T 1 is hydrogen, chlorine, bromine, methyl, methoxy or ethoxy, T 2 is hydrogen, methyl, methoxy or ethoxy, T 3 is hydrogen, methyl, chlorine, bromine, nitro, T 4 is hydrogen, chlorine or bromine and T 5 is hydrogen, methyl or ethyl.