Lightfastness of dyeings obtained with acid dyes or metal comple

Bleaching and dyeing; fluid treatment and chemical modification – Color protecting process for dyed product

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Details

8599, 8602, 8624, 8680, 8685, 8924, D06P 164, D06P 324, D06P 510

Patent

active

046133348

ABSTRACT:
A process for improving the lightfastness of dyeings obtained with acid dyes and/or metal complex dyes on polyamide textile materials, by treating the latter and 0.01-1% by weight of a copper hydroxamate before, during or after dyeing.

REFERENCES:
patent: 3203752 (1965-08-01), Mills et al.
patent: 3361710 (1968-01-01), Sparks
patent: 3363969 (1968-01-01), Brooks
patent: 3993772 (1976-11-01), Pommer et al.
patent: 4253843 (1981-03-01), Bannigan
patent: 4383835 (1983-05-01), Preuss et al.
patent: 4544372 (1985-10-01), Heise et al.

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