Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1996-02-06
1996-11-26
Lieberman, Paul
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
134 42, 514919, 510101, 510214, 510238, 510382, C11D 332, C11D 183
Patent
active
055782507
ABSTRACT:
A stable oil-in-water microemulsion cleaning composition is provided which is essentially effective for the removal of oily and greasy soil from a hard surface and for repelling insects therefrom. The aqueous phase of said microemulsion comprises by weight of the total composition: (A) from about 0.1 to about 25% of a surfactant mixture of (i) an anionic surfactant; (ii) a nonionic surfactant; the weight ratio of (i) and (ii) being from about 1:1 to about 5:1; and (iii) a salt of a multivalent metal cation in an amount sufficient to provide from 0.1 to 1.5 equivalents of cation per equivalent of (i); the anionic surfactant, the nonionic surfactant and amount of multivalent metal cation being selected so as to provide a cloud point of at least about 45.degree. C. in the finished microemulsion composition; (B) from about 0.1% to about 30% of a water-soluble cosurfactant having substantially no ability to dissolve oily or greasy soil; and (C) the balance water. The oil phase of said microemulsion is comprised essentially of an effective amount of an insect repellent compound, and optionally a perfume or water insoluble hydrocarbon, said microemulsion composition being effective for removing oily and greasy soils from a hard surface and repelling insects therefrom by solubilizing such soils in the microemulsion while concomitantly depositing the insect repellent compound upon the hard surface to be cleaned to provide insect repelling properties thereto.
REFERENCES:
patent: 5108643 (1992-04-01), Loth et al.
patent: 5182304 (1993-01-01), Steltenkamp
patent: 5258408 (1993-02-01), Steltenkamp
Connors Thomas F.
Loth Myriam
Thomas Barbara J.
Colgate-Palmolive Company
Douyon Lorna M.
Lieberman Bernard
Lieberman Paul
Serafino James M.
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