D - Textiles – Paper – 06 – L
Patent
D - Textiles, Paper
06
L
D06L 3/02 (2006.01) C11D 3/39 (2006.01) C11D 17/00 (2006.01) C11D 17/04 (2006.01)
Patent
CA 2051046
ABSTRACT A bleaching composition in concentrated form is provided that includes a peroxygen compound and an organic bleach precursor. The precursor is selected from esters and carbonates having a leaving group whose conjugate acid has a pKa of greater than 13. Particularly preferred are quaternary ammonium functionalized compounds. Absent preconcentration of the components, poor bleaching would result. Concentrated compositions may be achieved through use of encapsulation or by way of a sachet.
Bereskin & Parr
Plc Unilever
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