Bleaching and dyeing; fluid treatment and chemical modification – Bleaching – Chemical
Patent
1985-12-06
1987-04-07
Albrecht, Dennis L.
Bleaching and dyeing; fluid treatment and chemical modification
Bleaching
Chemical
252 95, 252 96, 252 97, 252 99, 252102, 252133, 252140, 25217417, 25218625, 25218627, 2521863, 25218643, C11D 304, C11D 312, C11D 3395, D06L 302
Patent
active
046557822
ABSTRACT:
A bleaching composition is disclosed wherein the bleach catalyst is an aggregate comprising manganese (II) cations adsorbed onto an aluminosilicate support, a binder and a phosphate salt; the aggregates have a diameter ranging from at least 250 to about 2000 microns which aggregates upon dispersion in water for two minutes at pH 10 and 40.degree. C. leave undissolved less than 5% particles of 125 microns or higher. The base detergent powder comprises a phosphate salt and a peroxy compound. It was found that bleach performance improves by having phosphate salt both in the aggregate and in the detergent powder base.
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Irwin Charles F.
Karpusiewicz William
McCallion Elizabeth J.
Albrecht Dennis L.
Farrell James J.
Honig Milton L.
Lever Brothers Company
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