Phthalimidoperoxyhexanoic acid particles encapsulated in a...

Details Phthalimidoperoxyhexanoic acid particles encapsulated in a... Phthalimidoperoxyhexanoic acid particles encapsulated in a...

2011-03-01

2011-03-01

Boyer, Charles I (Department: 1796)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

For cleaning a specific substrate or removing a specific...

C510S276000, C510S309000, C510S302000, C510S367000, C510S372000, C510S375000, C510S438000, C510S441000, C510S442000

Reexamination Certificate

active

07897556

ABSTRACT:
The invention relates to encapsulated bleaching agent particles. Said particles consist of a core that contains a bleaching-agent active ingredient and a coating of water-soluble material that at least partially surrounds said core, the core containing peroxocarboxylic acid and the coating material containing polyvinyl alcohol. The particles can be produced by introducing a particulate peroxocarboxylic acid into a fluidized bed, by spraying an aqueous solution containing polyvinyl alcohol onto said bed and by subsequent drying or spray drying.

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