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US 6,605,580 B2Granted
Bleaching composition
AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.
InventorsDirk Johannes Bijl, Ronald Hage, Jan Kevelam, Jean Hypolites Koek, Dennis Stephen Murphy, Irene Erica Smit, Johannes Jacob Verhagen, Pieter van der Vlist
Life of this patent
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Abstract
A bleaching composition is provided comprising a) a bleach-effective amount of an inorganic bleaching agent; b) a bleach-compatible solvent c) 0 to 10 wt % of a surfactant; d) less than 10 wt % of a modifier; and e) an effective dry cleaning amount of densified carbon dioxide, said composition being essentially free of organic peracid or precursor thereof.
Claims12
A bleaching composition comprising
- a) a bleach-effective amount of an inorganic bleaching agent selected from the group consisting of peroxosulfates, peroxocarbonates, peroxoborates, peroxophosphates, peroxosilicates, peroxonitrites, Na2O2, ZnO2, KO2, CaO2 and mixtures thereof;
- b) a bleach-compatible solvent
- c) 0 to 10 wt % of a surfactant;
- d) less than 10 wt % of a modifier;
- and
- e) an effective dry cleaning amount of densified carbon dioxide, said composition being essentially free of organic peracid or precursor thereof.
3 more elements
Dependencies are inferred from the claim text.