C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/39 (2006.01) C11D 3/02 (2006.01) C11D 3/16 (2006.01) C11D 3/37 (2006.01) D06L 3/02 (2006.01)
Patent
CA 2392839
A bleaching composition is provided for effective bleaching with a bleach catalyst at low temperatures. The bleaching composition comprises of a) from 0.05 microM to 50 mM of an organic substance which forms a complex with a transition metal; b) a source of active oxygen corresponding to 0.05 to 100 mM of active oxygen; and c) an effective amount of liquid carbon dioxide.
L'invention concerne une composition de blanchiment permettant d'effectuer un blanchiment efficace avec un catalyseur de blanchiment à des températures peu élevées. Cette composition de blanchiment contient (a) entre 0,05 microM et 50 mM d'une substance organique formant un complexe avec un métal de transition, (b) une source d'oxygène actif correspondant à 0,05-100 mM d'oxygène actif, et (c) une concentration efficace de dioxyde de carbone liquide.
Bijl Dirk Johannes
Hage Ronald
Kevelam Jan
Koek Jean Hypolites
Murphy Dennis Stephen
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Plc Unilever
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