Process for bleaching household laundry in a wash cycle

Details Process for bleaching household laundry in a wash cycle Process for bleaching household laundry in a wash cycle

1986-06-12

1988-10-04

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

8101, 8137, 252 95, 252 99, 25218628, 134 26, D06L 302, D06L 304

Patent

active

047753820

ABSTRACT:
A process for bleaching household laundry in a wash cycle, comprising a first stage in said cycle in which the laundry is washed in the presence of a detergent composition free of any peroxide-type bleaching agent at a temperature between about 40.degree. to 60.degree. C. and a pH between about 8 and 12, rinsing said laundry, and subjecting said laundry to a second stage in said cycle in which said rinsed laundry is washed in the absence of any detergent and in the presence of at least one peroxide-type bleaching agent and an activator at a temperature between about 40.degree. to 60.degree. C. and a pH between about 9 and 13.

REFERENCES:
patent: 3525695 (1970-08-01), Mouret et al.
patent: 4283302 (1981-08-01), Foret et al.

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