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US 12,589,060 B2Granted
Bleaching powder composition
AssigneeKao Germany GmbH
InventorsInes Rabelo De Moraes, Steven Breakspear, Peter Bauer, Bernd Nöcker
Life of this patent
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Abstract
Bleaching powders, kits-of-parts for bleaching, and bleaching methods comprise at least xanthine and/or xanthine derivatives, wherein it was unexpectedly found that xanthine and/or xanthine derivatives in bleaching powder reduce damage to keratin fibers during bleaching methods or processes.
Claims12
A bleaching powder composition comprising:
- a) one or more persalts and/or one or more peroxy salts selected from the group consist of sodium persulfate, potassium persulfate, ammonium persulfate, earth alkali peroxides, phthalimidoperoxy hexanoic acid, and a mixture thereof;
- b) one or more alkalizing agents selected from one or more metasilicates, one or more carbonates, one or more bicarbonates, their alkali or earth alkali salts, and a mixture thereof;
- c) caffeine;
- and
- d) Diatomaceous earth,
- wherein
- a total concentration of the one or more persalts and/or one or more peroxy salts ranges from 10% to 80% by weight, calculated to a total weight of the bleaching powder composition,
- a total concentration of the one or more alkalizing agents ranges from 0.25% to 30% by weight, calculated to a total weight of the bleaching powder composition,
- a total concentration of the caffeine ranges from 0.001% to 1% by weight, calculated to the total weight of the bleaching composition, and
- the bleaching powder composition is an anhydrous composition comprising a free-flowing powder.
7 more elements
Dependencies are inferred from the claim text.