C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 223/10 (2006.01) C07D 211/76 (2006.01) C07D 233/06 (2006.01) C11D 3/39 (2006.01)
Patent
CA 2197443
Bleaching compositions, laundry and automatic dishwashing detergent compositions comprising particular quaternary-substituted bleach activators, are provided. More specifically, the invention relates to compositions which provide enhanced cleaning/bleaching benefits though the selection of quaternary-substituted bleach activators having specific leaving groups with a conjugate acid pKa above 13 and with specific ratios of the rate of perhydrolysis to the rate of hydrolysis and the rate of perhydrolysis to the rate of diacylperoxide production. Included are preferred activator compounds and methods for washing fabrics, hard surfaces, and tableware using the activators.
La présente invention concerne des compositions de blanchiment, des compositions détergentes de blanchisserie et de lave-vaisselle comprenant en particulier des activateurs de blanchiment à substitutions quaternaires. En l'occurrence, l'invention concerne des compositions produisant un effet accru de nettoyage/blanchiment grâce au choix d'activateurs de blanchiment à substitutions quaternaires présentant des groupes partants spécifiques dont le pK¿a? acide conjugué est supérieur à 13, et des rapports spécifiques entre le taux de perhydrolyse et le taux d'hydrolyse ainsi qu'entre le taux de perhydrolyse et le taux de production de diacylperoxyde. L'invention concerne également des composés d'activateurs préférés et des procédés de lavage de tissus, de surfaces dures et de vaisselle de table à l'aide de ces activateurs.
Baillely Gerard Marcel Abel
Burns Michael Eugene
Guedira Nour-Eddine
Hardy Frederick Edward
Kott Kevin Lee
Dimock Stratton Llp
North Carolina State University
The Procter & Gamble Company
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