C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/5
C11D 3/395 (2006.01)
Patent
CA 1146833
B 492/497 (R) Abstract of the Disclosure Washing bars for cleaning fabrics and washing bars for personal washing are disclosed. The improved bars of the invention, which comprise at least about 10% by weight of a detersive surfactant with or without a detergency builder, less than about 20% by weight of water and optionally about 50% by weight of an inert filler and yield a pH of at least 6 when dispersed in one part by weight of water, include a material yielding halite ions in aqueous media, preferably sodium chlorite. The bars when used for washing under ultra-violet radiation conditions, e.g. from an artificial source or from sunlight, provide satisfactory bleaching to articles washed therewith.
375232
Beavan Stuart W.
Bereskin & Parr
Unilever Limited
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