Free amine-containing polymeric dyes

Details Free amine-containing polymeric dyes Free amine-containing polymeric dyes

1981-09-28

1983-05-10

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

8647, 8917, 525253, 525375, 5253282, 546 68, 564 66, 564 68, 564308, 5263071, D06P 304, C09B 6910

Patent

active

043828000

ABSTRACT:
Soluble polymeric colorants composed of free amine groups and chromophoric groups covalently bonded to an organic backbone are disclosed. The number of free amine groups is not less than one-half the number of chromophoric groups. The colorants are characterized by being free of sulfonate, phosphonate and carboxylate groups. The preparation and use of these colorants is also disclosed.

REFERENCES:
patent: 3304297 (1967-02-01), Wesmann et al.
patent: 3337288 (1967-08-01), Horisuchi et al.
patent: 3567678 (1971-03-01), Kalopissis
patent: 3920855 (1975-11-01), Dawson et al.
patent: 4051138 (1977-09-01), Wans et al.
patent: 4182885 (1980-01-01), Bunes
patent: 4206240 (1980-06-01), Bunes

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