C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/83 (2006.01) C11D 1/831 (2006.01) C11D 3/00 (2006.01) C11D 3/20 (2006.01) C11D 7/26 (2006.01) C11D 11/00 (2006.01)
Patent
CA 2602377
The present invention provides a method for removing soil or stains from a hard surface, the method comprising the steps in sequence of treating the surface with a malonic acid derivative, allowing the soil or stain to deposit and cleaning the surface to remove the soil or stains. The invention further provides compositions and uses for said method. In this connection, this method and composition provides an improved next time cleaning benefit.
L'invention concerne une méthode pour supprimer les salissures ou les taches sur une surface dure. Cette méthode comprend les étapes consistant à: traiter ladite surface à l'aide d'un dérivé d'acide malonique, ce qui permet aux salissures et aux taches de former un dépôt pour nettoyer la surface pour supprimer les salissures ou les taches. L'invention concerne également des compositions et des utilisations de cette méthode. La méthode et la composition de l'invention présentent un avantage de nettoyage par rapport à un nettoyage ultérieur.
Ashcroft Alexander Thomas
Thornthwaite David William
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Plc Unilever
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