Process for dyeing leather with an aqueous bath containing sulfo

Details Process for dyeing leather with an aqueous bath containing sulfo Process for dyeing leather with an aqueous bath containing sulfo

1990-12-05

1992-10-06

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Leather dyeing

8437, 86371, 8640, 8681, 8685, 8916, 106473, D06P 130

Patent

active

051528010

ABSTRACT:
There is disclosed a process for dyeing leather by the exhaust process, which comprises treating leather with an aqueous liquor which contains a formulation comprising a black anionic dye and a sulfonated carbon black. The leather dyeings obtained by this process have good allround fastness properties.

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patent: 4941886 (1990-07-01), Poletto
patent: 5007941 (1991-04-01), Martinelli et al.
93:221927 Chem. Abstr (1980).
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Derwent Abstract #86-019409/3 (1985).
AX Derwent Abstract #74-76430v.
Bradley A Swope May 13, 1991.

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