C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/75 (2006.01) C11D 3/20 (2006.01) C11D 3/48 (2006.01) C11D 7/08 (2006.01)
Patent
CA 2170023
Disclosed are mildly acidic liquid compositions for use in cleaning hard surfaces. The compositions contain from about 1 % to about 50 % of an amine oxide detergent surfactant, an aqueous carrier liquid, and an acidifying agent having a pKa of less than about 6Ø The compositions contain enough of the acidifying agent to protonate at least about 10 % of the amine oxide species within the compositions and to provide a composition pH of between about 3 and 7. These no-rinse liquid hard surface cleaning compositions have excellent cleaning properties, they do not leave a visible residue when they dry, and they cause minimal or no staining of vinyl surfaces. Also disclosed are a method for cleaning vinyl surfaces using the liquid compositions, and non-liquid compositions from which the mildly acidic liquid compositions can easily be obtained by adding an aqueous liquid.
Compositions liquides faiblement acides pour le nettoyage de surfaces dures. Ces compositions contiennent entre 1 % environ et 50 % environ d'un agent tensioactif détergent à l'oxyde d'amine, un véhicule liquide aqueux et un agent acidifiant dont le pKa est inférieur à 6,0 environ. Les compositions contiennent suffisamment d'agent acidifiant pour réaliser la protonation d'au moins 10 % environ de l'espèce d'oxyde d'amine dans les compositions et donner à la composition un pH compris entre 3 et 7 environ. Ces compositions liquides sans rinçage pour le nettoyage de surfaces dures ont d'excellentes propriétés détergentes, ne laissent pas de résidu visible ou séchant, et laissent un minimum ou pas du tout de traces sur les surfaces en vinyle. Il est également prévu un procédé de nettoyage de surfaces en vinyle à l'aide des compositions acides, ainsi que des compositions non liquides à partir desquelles les compositions liquides faiblement acides peuvent être facilement obtenues par l'addition d'un liquide aqueux.
Kirby Eades Gale Baker
The Procter & Gamble Company
LandOfFree
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