Detergent compositions

Details Detergent compositions Detergent compositions

C - Chemistry, Metallurgy

11

D

C11D 17/00 (2006.01) C11D 1/22 (2006.01) C11D 1/28 (2006.01) C11D 1/62 (2006.01) C11D 1/65 (2006.01) C11D 1/66 (2006.01) C11D 1/835 (2006.01) C11D 1/86 (2006.01) C11D 3/10 (2006.01) C11D 3/12 (2006.01) C11D 3/37 (2006.01) C11D 3/39 (2006.01) C11D 1/14 (2006.01) C11D 1/52 (2006.01) C11D 1/72 (2006.01)

Patent

CA 2268651

The present invention relates to detergent compositions having a pH of at least 8.0 in a 0.5 % by weight aqueous solution or components thereof containing cationic surfactants of the formula: R1R2R3R4N+ X- in which R1 is a hydroxyalkyl group having no greater than 6 carbon atoms; each of R2 and R3 is independently selected from C1-4 alkyl or alkenyl; R4 is one or mixtures of more than one of C5-11 alkyl or alkenyl; and X- is a counterion which does not substantially exchange with a hydroxide ion at 20 °C in a 0.5 % by weight solution of the detergent composition.

La présente invention porte sur des compositions détergentes ayant un pH d'au moins 8 dans 0,5 % en poids d'une solution aqueuse ou sur leurs composants, ces compositions contenant des tensioactifs cationiques de la formule R<1>R<2>R<3>R<4>N<+> X<-> dans laquelle R<1> représente un groupe hydroxyalkyle ne possédant pas plus de 6 atomes de carbone; chacun des R<2> et R<3> est indépendamment sélectionné parmi alkyle ou alcényle en C1-4; R<4> représente un ou des mélanges de plus d'un alkyle ou alcényle en C5-11; et X<-> représente un contre-ion qui ne permute pratiquement pas avec un ion hydroxyde à 20 DEG C dans une solution de 0,5 % en poids de la composition détergente.

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