Ozone decolorization of garments

Details Ozone decolorization of garments Ozone decolorization of garments

1991-10-10

1994-08-30

Medley, Margaret

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

8101, 8102, D06L 314, D06L 304

Patent

active

053424158

ABSTRACT:
A process for selectively decolorizing a garment containing cellulosic material which comprises the steps of providing said garment with a dye or coloring agent reactive to ozone, wetting said garment and then contacting said wetted garment with ozone or a mixture of steam and ozone whereby the ozone is reacted with the dye or coloring agent.

REFERENCES:
patent: 1760042 (1930-05-01), Crespi et al.
patent: 4214330 (1980-07-01), Thorsen
patent: 5006124 (1991-04-01), Tieckelmann et al.
patent: 5019131 (1991-05-01), Nitsch, Jr.
patent: 5118322 (1992-06-01), Wasinger et al.
Chem Abst. 89:164841p, 1978 Dymova, Z. N. et al. Mater-Uses Mezhuuz. Konf Ozonu 2d Gos. Univ: Moscow USSR, 1977.

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