Oxidative after-treatment of materials dyed or printed with sulf

Details Oxidative after-treatment of materials dyed or printed with sulf Oxidative after-treatment of materials dyed or printed with sulf

1976-12-02

1978-02-14

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 37, 252100, 252102, 252186, C09B 900, D06P 122, D06P 130, C11D 754

Patent

active

040736164

ABSTRACT:
Dyeing with sulfur or vat dyes is improved by using as oxidant for the oxidative after-treatment to bring out final dye shade and fastness, ##STR1## or a protonated product thereof R being hydrogen or --SO.sub.3 M, and

REFERENCES:
patent: 2067930 (1937-01-01), Kern
patent: 2576846 (1951-11-01), Mecco
patent: 2576847 (1951-11-01), Mecco
patent: 2730428 (1956-01-01), Linder

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