Bleaching and dyeing; fluid treatment and chemical modification – Bleaching – Chemical
Patent
1989-06-15
1991-01-29
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Bleaching
Chemical
8137, 252100, 252102, 252103, D06L 302, D06L 304
Patent
active
049883631
ABSTRACT:
Detergent bleach compositions containing an organic peroxyacid having solution pH above 9 which changes to below 9 after 4-10 minutes. Method for washing fabrics, comprising the steps of contacting the fabric with an aqueous solution of a detergent composition containing a peroxyacid at pH above 9 for 4-10 minutes and thereafter acidifying the wash liquor to a pH of below 9.
REFERENCES:
patent: 3042621 (1962-07-01), Kirschenbauer
patent: 4100095 (1978-07-01), Hutchins et al.
patent: 4170453 (1979-10-01), Kitko
patent: 4259201 (1981-03-01), Cockrell, Jr. et al.
Honig Milton L.
Lever Brothers Company Division of Conopco, Inc.
Lieberman Paul
McNally John F.
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