C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 7/54 (2006.01) C11D 3/395 (2006.01) C11D 17/04 (2006.01)
Patent
CA 2219027
The present invention provides an apparatus for surface cleaning, in which a first liquid, which includes an oxidizing agent, and a second liquid, which includes a builder or a chelating agent, are initially maintained separately. The apparatus is constructed to facilitate delivery of these two liquids such that they are combined to form an admixture during delivery to a surface to be treated. Either or both of the first and second liquids include a pH-adjusting agent, which is present in an amount such that when the liquids are so delivered, the resulting admixture is maintained at a pH sufficient for cleaning efficacy and stability of the oxidizing agent. The present invention also provides a composition produced by a process of maintaining the two above- mentioned liquids separately and forming an admixture thereof during delivery to a surface to be treated.
La présente invention concerne un appareil de nettoyage de surface dans lequel on maintient initialement séparés un premier liquide, incorporant un oxydant, et un second liquide, incorporant un additif de lavage ou un agent chélateur. L'appareil est construit pour faciliter le débit de ces deux liquides de façon qu'ils se combinent pour former un produit d'admixtion pendant le dépôt sur une surface à traiter. L'un ou l'ensemble des deux liquides contient un agent d'ajustement du pH en une quantité suffisante pour qu'à l'occasion d'un tel dépôt des liquides, le produit d'admixtion résultant se maintienne à un pH suffisant pour garantir l'efficacité du nettoyage et la stabilité de l'oxydant. L'invention concerne également une composition produite selon à un procédé consistant à maintenir séparés les deux liquides précités, et à former un produit d'admixtion de ces liquides pendant le dépôt sur une surface à traiter.
Choy Clement K.
Robbins Michael H.
Cassan Maclean
The Clorox Company
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