C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/39 (2006.01) C11D 11/00 (2006.01)
Patent
CA 2381924
The present invention relates to zwitterionic organic catalyst compound bleach systems and methods for using such bleach systems to increase color safety during laundering of fabrics, especially colored fabrics. More particularly, this invention relates to bleach systems comprising zwitterionic, quaternary imine bleach boosting compounds, zwitterionic, quaternary oxaziridinium bleaching species and mixtures thereof, and methods employing such bleach systems in the laundering of fabrics, especially colored fabrics.
L'invention concerne des systèmes de blanchiment à composés catalyseurs organiques zwitterioniques ainsi que des procédés comprenant l'utilisation de ces systèmes de blanchiment afin d'assurer une meilleure protection des couleurs pendant le lavage des textiles, en particulier des textile de couleur. L'invention concerne plus particulièrement des systèmes de blanchiment comprenant des composés renforçateurs de blanchiment imine quaternaire, zwitterioniques, des espèces chimiques oxaziridinium quaternaire, zwitterioniques, de blanchiment et des mélange de ceux-ci, ainsi que des procédés comprenant l'utilisation de ces systèmes de blanchiment pour le lavage de textiles, en particulier de textiles de couleur.
Dykstra Robert Richard
Kellett Patti Jean
Kirby Eades Gale Baker
The Procter & Gamble Company
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