Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – Specific organic component
Reexamination Certificate
1998-06-17
2001-04-24
Kopec, Mark (Department: 1751)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
Specific organic component
C510S189000, C510S244000, C510S245000, C510S268000, C510S364000, C510S365000, C510S405000, C510S417000, C510S421000, C510S426000, C510S427000, C510S499000, C134S040000, C134S042000
Reexamination Certificate
active
06221833
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to cleaning and surface treatment compositions containing emulsified silicone oils as a constituent. More particularly the present invention relates to cleaning and surface treatment compositions which are particularly useful in the cleaning of leather, vinyl, plastic, rubber and other similar surfaces as well as providing a glossy surface coating thereupon. The invention provides a composition, which both cleans and improves the appearance of such surfaces without imparting a tacky or greasy feel to such surfaces.
BACKGROUND OF THE INVENTION
Known to the art are a variety of compositions, which are marketed for the purpose of providing a glossy sheen to surfaces such as leather, vinyl, plastic, rubber and other similar materials. These surfaces are generally to be found, for example, in many automotive and household environments such as in automobile dashboards, center consoles, door interiors, non-fabric seats, as well as on the surfaces and coatings of many household appliances, and such objects as helmets, sporting equipment and the like.
Such known art compositions generally provide a gloss or sheen subsequent to their application due to the fact that they are comprised of a considerable proportion of silicone oil generally in amounts of about 20-25 wt % and even greater. Further constituents such as glycerin also aid in the gloss-providing aspects of such compositions and thus are also frequently found. While such constituents may be beneficial in improving the gloss and shine, and hence the appearance of such surfaces, they frequently concomitantly impart an undesired tacky or greasy feel to the treated surfaces. Furthermore, as such known art compositions generally provide little or no cleaning benefit, prior to their application the use of a cleaning composition is necessitated. This dictates that the consumer purchase two different products and use them in a two-step process. This is not particularly favorable from the consumer's standpoint.
Exemplary formulations of this type are demonstrated, for example, in U.S. Pat. No. 3,956,174 wherein are illustrated compositions consisting of emulsified organopolysiloxane fluids and polyol compounds. Compositions providing a glossy sheen to such surfaces as described above are described in U.S. Pat. No. 5,183,845, which describes an emulsion containing dimethylpolysiloxanes and amino functional dimethylpolysiloxanes of varying viscosities combined with wetting agents and rain out agents necessary to “wet” the surface and break the emulsion on the surface.
Further compositions are illustrated in U.S. Pat. No. 5,310,783 wherein are described dispersed aqueous compositions used for the treatment of fibers and consisting of organopolysiloxanes containing organic radicals and amino and/or amido groups. However, none of the inventions cited above is directed toward the cleaning of surfaces.
A unique example of a composition effecting both cleaning and shining capabilities is found in U.S. Pat. No. 4,822,514 wherein are described dilutable and sprayable cleaning compositions which impart gloss or shine to surfaces which are also thereby effectively cleaned. The molecular components of this composition comprise a vegetable oil based surfactant/detergent system, which tends to impart a greasy coating to the surface treated thereby.
All such compositions are known to provide varying levels of shine and thus improve the attractiveness of the surfaces they are used to treat. Unfortunately, they also frequently deposit a greasy residue due to the presence of significant levels of silicone oils, as well as other gloss-contributing constituents such as glycerin. And, as noted previously most such known compositions provide little or no cleaning benefit. Accordingly, there is a need in the art for improved compositions which will provide a beneficial cleaning effect as well as importing a gloss or shine to a treated surface. Surfaces such as vinyl, rubber, plastic, leather, and the like are particularly of interest.
SUMMARY OF THE INVENTION
It is an object of the invention to provide an aqueous emulsion comprising silicon oils and amino-functionalized silicon oils, an emulsifier, non-ionic and anionic surfactants and one or more organic solvents for the cleaning and polishing of the variety of surfaces mentioned above. It is a further object of the invention to provide a process useful for the cleaning and shining of such surfaces which process comprises a step of applying a single ready-to-use product formulated to achieve these ends. These and other objects of the invention are satisfied by the improved compositions taught below.
According to one aspect of the invention there is provided a composition for the cleaning and shining of leather, vinyl, plastic, rubber and like surfaces wherein such composition includes: an organopolysiloxane fluid, a carboxypolyalkylene emulsifier, an amino-functional organopolysiloxane-containing fluid, a nonionic surfactant including at least one non-ionic surfactant selected from the group consisting of alkoxylated alcohols and alkoxylated alkylphenols, an anionic sulfated or sulfonated surfactant and one or more organic solvents. The composition optionally but desirably may further include one or more conventional additives including but not limited to chelating agents, pH-adjusting agents, coloring agents, fragrance adjuvents, preservatives, biocides, anti-corrosion agents, particularly for use in aerosol containers, as well as others not particularly recited here.
The composition according to the invention comprises a major proportion of water and, particularly as compared to the known prior art formulations described above, a reduced proportion of silicone oils. The new compositions may be further distinguished from many of these prior art compositions in that they not only impart a glossy or shiny effect subsequently to their application, are also non-greasy to the touch after their drying, and simultaneously provide a significant cleaning effect in a single application.
According to a further aspect of the invention there is provided a process for making the aforementioned composition. This process comprises homogenizer-assisted dispersal of the carboxypolymethylene emulsifier in most or all of the volume of water, followed by addition of the organopolysiloxane fluid, followed by the addition of the nonionic and anionic surfactants, followed by pH adjustment, thereafter followed by the addition of the remaining constituents in any order. Mixing is to be continued until a visibly whitish emulsion is formed.
According to a still further aspect of the invention there is provided a process for treating and cleaning a surface with the above-mentioned composition which comprises applying an effective amount of the composition to a surface to be treated and cleaned, carrying out a light rubbing or buffing action with a cloth, sponge or other like cleaning material, and finally removing the composition from the surface with a cloth, sponge or other like cleaning material. Other features and advantages of the invention will be apparent from the following detailed description, and from the claims.
DETAILED DESCRIPTION OF THE INVENTION
The composition of the invention requires at least one organopolysiloxane fluid. These fluids are also commonly referred to as “silicone oils” and are distinguished from silicone elastomers and resins, which are more thoroughly cross-linked than silicon oils. The fluids are based on or consist of organopolysiloxanes. The structure of one particular organopolysiloxane, dimethylpolysiloxane, is shown by the following general formula:
wherein n is the number of repeating groups and is a value of at least 10, and may be a value as great as one million or more, but more commonly has a value of between about 50 and 1000. By substitution of some of the methyl groups with other organic or functionalized organic groups, such as vinyl, phenyl, trifluoropropyl, and amino, other organopolysiloxanes can be produced. Any of these can b
Fish & Richardson P.C.
Kopec Mark
Mruk Brian P.
Reckitt Benckiser , Inc.
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