Ozone decolorization of garments

Details Ozone decolorization of garments Ozone decolorization of garments

1990-07-31

1992-06-02

Willis, Jr., Prince

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

8101, 8102, 8103, 8478, 8483, D06L 302, D06L 304

Patent

active

051183226

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: 1823352 (1931-09-01), Crespi et al.
patent: 2189017 (1940-02-01), Rivat
patent: 4675023 (1987-06-01), Hyink
patent: 4881941 (1989-11-01), Dixon
Chem. Abst. 89:16841p (1978).

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