PT101478B - CLEANING COMPOSITION, FOR DOMESTIC USE, WITH REPELLENT OF INSECTS, CONTAINING A DETERSIVE PORTION OF A COMPOUND TENSION-ACTIVE DETERGENT AND PROCESS FOR CLEANING HARD SURFACES AND REPELLING INSECTS - Google Patents

Abstract

An aqueous liquid detergent composition is provided for cleaning a hard surface and for repelling insects therefrom comprising a detersive proportion of a surface active detergent compound, an effective amount of at least one of certain defined insect repellent materials which is sufficient to repel insect from the hard surface after application of the detergent composition thereto, the liquid detergent composition being substantially free of a liquid hydrocarbon. <IMAGE>

Description

DESCRIPTION

LIQUID CLEANING COMPOSITION, FOR DOMESTIC USE, WITH INSECT REPELLENT, CONTAINING A DETERSIVE PORTION OF A TENSIO-ACTIVE DETERGENT COMPOUND AND PROCESS TO CLEAN HARD SURFACES AND REPEAT INSECTS

BACKGROUND OF THE INVENTION

The present invention relates to liquid detergent compositions suitable for cleaning hard surfaces) and which provide insect repellent properties. More particularly, this invention relates to liquid detergent compositions for all purposes, containing an insect repellent material, as well as a process for cleaning and repelling insects from surfaces and articles to which such detergent compositions have been applied.

Many types of insects normally found in homes, such as German cockroaches (Blattela germanica) or domestic cockroaches are classified as pests and much effort has been made to eradicate them or, at least, to control them. Mosquito repellents have long been marketed and discoveries have been made of various chemicals that are effective in repelling cockroaches. Typically, these chemicals and repellents have domestic use, being applied or sprayed on surfaces of walls, floors, cabinets, drawers, packaging, containers, mats, upholstery, carpets and in places of potential formation of insect nests, such as inside walls and between floors. However, insect repellents have not generally been used in the past in conjunction with hard surface cleaners in order to effectively clean a domestic hard surface, namely a kitchen wall, stove top, bathroom floor or other similar, while applying a

film of insect-repellent material on the surface to which the composition is applied, of sufficient fixation to repel insects from it.

The incorporation of an insect repellent in a polishing product for domestic floors is known in the art. U.S. Patent 3,018,217 to Bruce discloses wax-based flooring compositions containing dibutyl succinate as an insect repellent. U.S. Patent 3,034,950 to Goodhue et al. discloses a class of insect repellent compounds, dispersed in a wax, which can be applied to surfaces. In U.S. Patent 4,455,308 to Smolanoff, insect repellent formulations containing a liquid carrier, namely liquid aliphatic or aromatic hydrocarbons, are described. An emulsifying agent, for example a nonionic surfactant, can be added to the liquid hydrocarbon to allow the composition to be dispersed in water for application in end use. U.S. Patent 4,822,614 to Rodero discloses an insect repellent ingredient in a hydrocarbon-based solvent, namely isoparaffinic hydrocarbons.

SUMMARY OF THE INVENTION

The present invention relates to an aqueous liquid detergent composition for cleaning hard surfaces and insect repellent, characterized in that it comprises (i) a detersive portion of a surfactant detergent compound selected from the group formed by anionic, nonionic, cationic detergent compounds and amphoteric; (ii) at least about 50% by weight of water; and (iii) an effective amount of an insect repellent material, sufficient to repel insects from said hard surfaces, after having applied the liquid detergent composition, the

said liquid detergent composition free from any insecticide.

The present invention is based on the discovery that the insect repellent properties of a repellent material increase with respect to a specific area or location, when that area or location is cleaned with a detergent composition, as described herein. This effect can be attributed to the natural tendency of insects to preferably congregate in dirty areas, instead of on a clean surface, as well as to the greater capacity of fixing insect repellent material to such clean or washed surfaces.

The term insect is used here in its broad sense and is supposed to cover cockroaches, such as the German cockroach (Blattela germanica) and American cockroach (Periplaneta americana), as well as mosquitoes, moths, flies, fleas, ants, lice, arachnids, such like spiders, ticks and small mites.

The term insect repellent material is intended to cover a wide variety of materials having properties. insect repellents, which are compatible with type i

of detergent composition described herein and which exhibit a capacity for fixing to the hard surface to which the sufficient detergent composition is applied to be effective as a repellent.

Insect repellent materials useful for the present invention include the following compounds, which can be used individually or in combination with other repellent materials, with the reference in parentheses following certain names of compounds to their common or commercial designation , to know:

N-alkyl-neoalkanamides, where the alkyl is 1 to 4

carbon atoms, and the neoalkanoyl fraction is 7 to 14 carbon atoms, preferably N-methylneodecanamide;

N, N-diethyl-meta-toluamide (DEET);

2-hydroxyethyl-n-octyl sulfide (MGK 874); ¹ N-octyl-bicycloheptene-dicarboximide (MGK 264);

-z) A preferred mixture of the two materials mentioned above, consisting of 66% MGK 264 and 33% MGK 874;

Hexahydrodibenzofuran-carboxaldehyde (MGK 11); Di-n-propylisocincomerate (MGK 326);

J 2-ethyl-1,3-hexanediol (Rutgers 612);

2- (n-butyl) -2-ethyl-1,3-propanediol;

Dimethyl phthalate;

Dibutyl succinate (Tabutrex);

Piperonyl-butoxide; and

Pyrethrum ( ¹ ) MGK Repellents are registered trademarks of McLaughlin Gormley King Company; Minneapolis; Minnesota, USA

Although the insect repellent materials mentioned above are of longer duration and are preferred for the purposes of the present invention, there are other useful repellent materials, namely essential oils such as Mentha arvensis (mint); Mentha piperita (peppermint); Mentha spicata (mint); Mentha cardica (Scottish mint); citrus oil from East India; Lemon oil; citronella; cedar oil (Juniperus virginiana L.) and pine oil. Terpenoids are another class of materials having insect repellent properties, with the most used (-) - limonene; (+) - limonene; (-) - carvone; cineole (eucalyptol); linalool; camphor gum; citronellal; alpha and beta-terpineol; fencolic acid; borneol and iso-borneol, bornyl acetate and iso-bornyl acetate.

Among the non-commercial repellent materials useful for the invention are the following:

N-N-diethyl-cyclohexyl-acetamide (DECA)

1,2,3,6-tetrahydro-1- (2-methyl-1-oxopentyl) piperidine N-N-diethyl-3-cyclohexylpropionamide (DCP)

2-ethyl-l- (2-methyl-1-oxo-2-butenyl) piperidine

N, N — diethyl — nonanamide, and

N, N-diethyl-phenyl-acetamide

With respect to the aforementioned N-alkyl-neoalkanamides, the alkyl group is preferably methyl or ethyl, and most preferably it is methyl. The neoalkanoyl fraction is preferably neodecanoyl or neotridecanoyl.

DETAILED DESCRIPTION OF THE INVENTION

Detergent compositions comprise a detersive portion of one or selected surfactants of the present invention plus compounds from the group formed by ionic, cationic and in the range of about 1 preferably about anionic, non-amphoteric detergent compound compounds, which are generally about 30% by weight of the composition, from 2 to about 20% by weight. The detergent is preferably anionic or more preferred will be one and not ionic. Describe weight.

a synthetic non-ionic organic detergent and, often, the combination of anionic detergents and tions of many of these Surface Active Agents and Detergents, Tensio-Active detergents, Perry and Publishers, publication can be found in the text (Agents and

25-138, of in 1958

DetergenSchwartz,

Interscience

Vol. II, p.

Berch, published in 1958 by

Inc. Such compounds are also described in a 1973 by John W. McCutcheon, entitled Detergents and Emulsifiers.

Both of these publications are hereby incorporated by reference.

The anionic detergents used will normally be alkali metal salts, namely sodium or potassium or ammonium salts or lower alkanol, for example, triethanolamine salts. The anionic detergent can be a sulfate, sulfonate, phosphate or phosphonate or salt of another suitable acid, but it will normally be a sulfate or sulfonate. Anionic detergents include a lipophilic group, which will usually have 10 to 18 carbon atoms, preferably in linear higher alkyl ordering, although other lipophilic groups may be present, preferably including 12 to 16 carbon atoms, namely branched chain alkyl benzene. Examples of suitable anionic detergents include higher fatty alcohol-sulfonates, such as sodium tridecylbenzene-sulfonate; linear alkyl-sodium benzene sulfonates, e.g. , linear sodium dodecyl-benzene sulfonate; olefin sulfonates; and paraffin sulfonates. Anionic detergents are preferably sodium salts, although potassium, ammonium and triethanolammonium salts are often more desirable for some liquid compositions.

Non-ionic detergents contain lipophilic condensation products and polyalkoxy alkylene oxides. They are highly fatty lipophiles greater than 10 to 18 atoms can also use alkyl phenols, nonyl phenols. Suitable alkylene oxides will normally be lower compounds or fractions or preferred fractions are carbon alcohols, although if particularly octyl and preferred is ethylene oxide and normally 3 to 30 mol of ethylene oxide per mol of lipophil will be present. Preferably, this ethoxylate content will be 3 to 10 mol per mol of higher fatty alcohol and, more preferably, it will be 6 to 7 mol, e.g. ex.,

6.5 or 7 mol per mol of higher fatty alcohol (and per mol of non-ionic detergent). Both wide

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ranges of ethoxylates such as the narrow ranges of ethoxylates (LGE and EGE), the difference being between them in the extension of the number of ethoxylate groups present, within the average of the given ranges. For example, EGE with an average of 5 to 10 EtO groups per mol in the non-ionic detergent will have at least 70% of the EtO content in polyethoxy groups of 4 to 12 mol of EtO and, preferably, will have more than 85% of the content in EtO in such a range. Non-ionic LGE detergents have a wider range of ethoxy contents than EGE, often with an extension of 1 to 15 mol of EtO, when the EtO chain is in the (average) range of 5 to 10 EtO. Examples of non-ionic LGE detergents include those sold by Shell Chemical

R

Company with the registered trademark of Neodol, namely Neodol 25-7, Neodol 23-6,5 and Neodol 25-3. The source of supply for non-ionic detergents EGE has been the Shell Development Company, which identifies these materials as 23-7P and 23-7Z.

Cationic surfactant compounds can also be used. These comprise surfactant detergent compounds that contain an organic hydrophobic group that forms part of a cation, when the compound is dissolved in water, and an anionic group. Typical cationic detergents are quaternary ammonium and amine compounds.

Quaternary ammonium compounds useful for this purpose are known materials and are of a high softening type. Included are the N 14 N (di) ^C 14 " ^C 24 'N 1 N-di (lower) ^c 1" ^and 4 quaternary alkyl ammonium salts with water solubilizing anions such as halide, e.g. e.g., chloride, bromide and iodide; sulfate, methosulfate and the like and heterocyclic amides such as imidazoline.

To facilitate, quaternary ammonium salts can be structurally defined as follows:

wherein Re R ₁ represents alkyl of 14 to 24 carbon atoms and, preferably, 14 to 22 carbon atoms; R ₂ and R ₃ represent lower alkyl of 1 to 4 carbon atoms and, preferably, 1 to 3 carbon atoms; X represents an anion capable of providing solubility or dispersibility in water, including those previously mentioned chloride, bromide, iodide, sulfate and methosulfate.

Particularly preferred species of aliphatic quats include:

distearyl-dimethyl-ammonium chloride hydrogenated di-tallow chloride-dimethyl-ammonium di-tallow-dimethyl-ammonium chloride distearyl-dimethyl-ammonium methyl sulfate hydrogenated-tallow-dimethyl-ammonium sulfate

Amphoteric detergents are also suitable for the present invention. This class of detergents is well known in the art and many functional detergents are disclosed by Schwartz, Perry and Berch in Surface Active Agents and Detergents, Vol. II, Chapter 4 published in 1958 by Interscience Publishers , Inc., New York. Examples of suitable amphoteric detergents include:

alkyl-betaiminodipropionates, RN (C ₂ H ₄ COOM) ₂ ; and alkyl-beta-amino-propionates, RN (H) C ₂ H ₄ COOM.

Structurers can be present in the liquid detergent composition in an amount of about 1 to 20%, to improve the detergency of synthetic organic detergents. Such builders can be inorganic or organic, soluble in water or insoluble in water. Included among these are polyphosphate builders, eg sodium tripolyphosphate; carbonates, e.g., sodium carbonate; bicarbonates, e.g., sodium bicarbonate; borates, e.g., borax; and silicates, e.g., sodium silicate; water-insoluble inorganic builders, including zeolites, eg, hydrated Zeolite 4A; water-soluble organic builders, including citrates, gluconates, NTA and polyacetal carboxylates.

Various adjuvants can be present in detergent compositions, such as fluorescent brighteners, anti-static agents, anti-bacterial agents, fungicides, foaming agents, anti-foaming agents, flow promoters, suspending agents, anti-oxidants , anti-gelling agents, release agents, dirt and enzymes.

The liquid detergent compositions of the invention will generally comprise about 2 to 20% surfactant detergent compounds, which are preferably anionic and / or non-ionic, about 1 to 20% by weight of structuring salts for those detergents and about from 0.2 to 20%, preferably 0.5 to 10%, by weight, of the insect repellent material, the remainder being predominantly water, adjuvants and, optionally, an emulsifying agent, or hydrotrope, such as toluene sulfonate. sodium or a suitable solvent for insect repellent material, namely isopropyl alcohol or acetone. To facilitate the incorporation of a fragrance or perfume into the liquid detergent composition

aqueous, it is often advantageous to formulate the liquid detergent composition in the form of a microemulsion with water as a continuous phase and oil or hydrocarbon as a dispersed phase.

In practical tests, on real kitchen floors, counters, bookshelves for drying dishes and walls and in kitchen cabinets and under refrigerators, in apartments infested with cockroaches, a significantly smaller number of cockroaches will be observed on surfaces where, or close to which, the liquid detergent compositions of the invention were applied, in comparison to control surfaces and were found to be less cheap on the backs and shelves of cabinets and pantries whose walls were treated with the liquid detergent compositions of the invention. When floors, walls, counters, sinks, cupboards and walls of a house or apartment are treated with the liquid detergent compositions of the invention, the incidence of cockroach infestation decreases, compared to control apartments where no repellent has been applied.

Claims (2)

CLAIMS ia. - Aqueous liquid detergent composition for cleaning hard surfaces and insect repellent, characterized by comprising (i) a detersive portion of a surfactant detergent compound selected from the group formed by anionic, non-ionic, cationic and amphoteric detergent compounds and mixtures thereof; (ii) at least ·, about 50% by weight of water; and (iii) an effective amount of an insect repellent material, sufficient to repel insects from said hard surfaces, after having applied the liquid detergent composition, said liquid detergent composition being free of any insecticide. 23. A liquid detergent composition according to claim 1, characterized in that said insect repellent material is selected from the group formed by Ν, Ν-diethyl-meta-toluamide (DEET), 2-hydroxyethyl-n-octyl sulfide ( MGK 874), N-octyl-bicycloheptene-dicarboximide (MGK 264), a mixture consisting of a combination of MGK 264 and MGK 874, hexahydrodenzenzofuran-carboxaldehyde (MGK 11), Di-n-propyl-isocincomerate (MGK 326), 2-ethyl-1,3-hexanediol (Rutgers 612), 2- (n-butyl) -2-ethyl-1,3-propanediol, dimethyl phthalate, dibutyl succinate (Tabutrex), piperonyl-butoxide and pyrethrum. ó <33. - liquid detergent composition according to claim 1, characterized in that it further includes a water-soluble solvent for said insect repellent material. 43. A liquid detergent composition according to claim 3, characterized in that said solvent is isopropyl alcohol. 5 ^. Liquid detergent composition according to claim 1, characterized in that it comprises about 2 to 20%, by weight, of said surfactant detergent compounds, about 1 to 20%, by weight, of a structuring salt, and about 0.2 to 20%, by weight, of said insect repellent material. 6th. Liquid detergent composition according to claim 5, characterized in that said insect repellent material is N, N-diethyl-meta-toluamide. 73. A liquid detergent composition according to claim 1, characterized in that said insect repellent material is N-methylneodecanamide. 83. - Process for cleaning hard surfaces and for repelling insects from them, characterized by comprising the application to those hard surfaces of a liquid detergent composition consisting of (i) a detersive portion of a surfactant detergent compound selected from the group formed by detergent compounds anionic, non-ionic, cationic and amphoteric; (ii) at least about 50% by weight of water; and (iii) an effective amount of an insect repellent material, sufficient to repel insects from said hard surfaces, after having applied the liquid detergent composition, said liquid detergent composition being free of any insecticide. 93. The method of claim 8, wherein said insect repellent material is selected from the group consisting of N, N-diethyl-meta-toluamide (DEET), 2-hydroxyethyl-n-octyl sulfide (MGK 874 ), N-octyl-bicycloheptene-dicarboximide (MGK 264), a mixture consisting of a combination of MGK 264 and MGK 874, hexahydrodibenzofuran-carboxaldehyde (MGK 11), Di-n-propyl-isocincomerate (MGK 326) , 2-ethyl-1,3-hexanediol (Rutgers 612), 2- (n-butyl) -2-ethyl-1,3-propanediol, dimethyl phthalate, dibutyl succinate (Tabutrex), piperonyl-butoxide and pyrethrum. 10th. Process according to claim 8, characterized in that a solvent for said insect repellent material is further included in said detergent composition. Process characterized in that said agreement according to claim 10, solvent is isopropyl alcohol. The process is characterized in that it gives about 2 to 20%, by weight, surfactant people, about builder, and about 0.2 insect repellent material. according to claim 8, a detergent composition comprising said compounds containing 1 to 20% by weight of a salt at 20% by weight of said 133. The method of claim 8, wherein said insect repellent material is N-alkylneodecanamide.