Method for removing stains from carpet and textiles

Details Method for removing stains from carpet and textiles Method for removing stains from carpet and textiles

1991-03-28

1993-11-09

Willis, Jr., Prince

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

8101, 252 98, 252 99, 252102, D06L 302

Patent

active

052598489

ABSTRACT:
A method to remove stubborn stains that includes application of an ammonium salt in combination with a peroxide. In the preferred embodiment, the stain removing solution contains ammonium bicarbonate and peroxide. A major advantage of the method is that the solution is strong enough to remove coffee and tea stains yet sufficiently mild that it does not damage the carpet or pose a significant health hazard to the person treating the stain.

REFERENCES:
patent: 355523 (1887-01-01), Harrison
patent: 3811833 (1974-05-01), Stalter
patent: 4113645 (1978-09-01), DeSimone
patent: 4525292 (1985-06-01), Cushman et al.
patent: 4594184 (1986-06-01), Cook et al.
Hall, J. L., et al., Chemical Abstract 109:14593b (1988).
Fukumasu, A., Chemical Abstract 109:134827c (1988).
Yamamoto, N., et al., Chemical Abstract 92:24625h (1980).
Fukumasu, A., et al., Chemical Abstract 110:141247n (1988).
Sadowski, T., et al., Chemical Abstract 101:41081v (1983).

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