C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/39 (2006.01) C11D 3/20 (2006.01) C11D 9/42 (2006.01)
Patent
CA 2584421
Cleaning and disinfectant compositions are provided particularly for use with hard surfaces. The compositions include hydrogen peroxide and an acid or salt thereof which is resistant to oxidation other than phosphorous based acids. Replacement of phosphorous based acids with acids of the invention results in improved hydrogen peroxide stability while maintaining or increasing the efficacy of cleaning and antimicrobial activity of the compositions. Typically, acids of the invention include substituted or unsubstituted carboxylic acids such as R4-C (R2) (R3)-R1-COOH. Inventive compositions may further include surfactants, a chelating agent or sequestrant, a water soluble or water dispersible solvent, corrosion inhibitors and other adjuvants well known to those skilled in the art. There are further provided methods of use and methods of preparing inventive compositions.
La présente invention a pour objet des préparations nettoyantes et désinfectantes, en particulier en vue d~une utilisation sur des surfaces dures. Lesdites préparations incluent du peroxyde d~hydrogène et un acide, autre qu~un acide phosphoré, ou un sel dudit acide qui résiste à l~oxydation. Le remplacement d~acides phosphorés par les acides décrits dans la présente invention permet d~améliorer la stabilité du peroxyde d'hydrogène, tout en maintenant ou en augmentant l~efficacité nettoyante et l'activité anti-microbienne desdites préparations. Les acides décrits par la présente invention incluent typiquement des acides carboxyliques substitués ou non, tels que R4-C(R2)(R3)-R1-COOH. Lesdites préparations peuvent également inclure des tensioactifs, un agent chélatant ou séquestrant, un solvant hydrosoluble ou hydrodispersable, des inhibiteurs de corrosions et d~autres additifs familiers aux gens du métier. La présente invention a également pour objet des méthodes d'utilisation et des méthodes d'élaboration desdites préparations.
Baars Evert Pieter Ids
Benjamins Peter
Bixler Kathleen J.
Hernandez Pablo M.
Kron Ryan E.
Diversey Inc.
Finlayson & Singlehurst
Virox Technologies Inc.
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