Water-insoluble sulphur dyes, their preparation and use

Claim 1

Water-insoluble sulphur dyes comprising the general formula I ##STR34## in which F is the dye chromophore of C.I. Sulphur Black 1, Sulphur Black 2, Sulphur Black 5, Sulphur Black 6, Sulphur Black 7, Sulphur Black 10, Sulphur Black 11 or Sulphur Black 12; n is from about 1 to about 6; X is nitrogen or phosphorus; R 1 , R 2 , R 3 and R 4 , independently of one another, are hydrogen, with the restriction that not all are simultaneously hydrogen; (C 1 -C 30 )-alkyl; (C 1 -C 14 )-alkoxyethyl; (C 1 -C 14 )-alkoxypropyl; oxyethyl of the general formula (CH 2 --CH 2 --O) 32 R 5 , R 5 being hydrogen (C 1 -C 4 )-alkyl and m being 1 to 5; (C 5 -C 12 )-cycloalkyl; phenyl or naphthyl each of which is unsubstituted or mono- or polysubstituted by (C 1 -C 14 )-alkyl, (C 1 -C 14 )-alkoxy (C 1 -C 14 )-alkoxycarbonyl or halogen; (C 6 -C 12 )-aryl-(C 1 -C 6 )-alkyl, it being possible for the radicals mentioned to be additionally substituted by hydroxyl, (C 1 -C 4 )-alkoxy or primary, secondary or tertiary amino groups and for the radicals R 1 and R 2 together with X to form a 5- or 6-membered ring system which is substituted or unsubstituted or contains further heteroatoms.