C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
8/87, 195/33.2
C11D 3/39 (2006.01)
Patent
CA 1143510
ABSTRACT OF THE DISCLOSURE A low temperature bleach system comprises an organic peracid and bromide ions in the absence of aldehydes and ketones. The bromide ions may be supplied from sodium bromide and typical peracids include diperisophthalic acid monoperoxyphthalic acid. The peracid to bromide equivalent ratio between 2:1 and 1:2 is preferred, but dye transfer and hygiene benefits are possible with a ratio up to 1:50. The system may be used as such or incorporated in a conventional detergent base.
358400
Bereskin & Parr
Unilever Limited
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