JPH11140491A - Bactericidal cleansing agent composition for floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the subject powder or granular composition having enhanced bactericidal properties and capable of surely cleansing and sterilizing by utilizing a foaming agent comprising a (bi)carbonate and a solid acid, and a cationic bactericide and a surfactant in powdered form. SOLUTION: This composition includes (A) 10 to 95 wt.%. of a foaming agent comprising a (bi)carbonates (preferably sodium carbonate or the like) and a solid acid, (B) 0.1 to 10 wt.% of a cationic bactericide (e.g.; benzalkonium chloride) and (C) 0.1 to 20 wt.% of a surfactant, and is free from inorganic peroxides. An organic acid manifesting chelate effects depending on pH such as ethylenediaminetetraacetic acid or the like, are preferred as the solid acid in ingredient A. A nonionic surfactants, especially, a 12 to 28C alkyl ether of polyoxyethylene (having average degree of polymerization of ethylene oxide of 3 to 20) is preferred as the ingredient C. A metal chelating agent is combinedly used to remove the prescribed solid acid, preferably.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solid germicidal detergent composition suitable for hard surfaces such as plastic, metal, glass and tile. In particular, the germicidal detergent composition of the present invention is suitable as a germicidal detergent for floors and utensils of food factories, kitchens, hospitals, nursing homes, public toilets and the like where it is necessary to reduce the number of bacteria in the environment.

Further, since the germicidal detergent composition of the present invention is solid and contains a foaming agent, when sprayed directly on a wet floor or the like, bubbles due to carbon dioxide gas are generated, and the sprayed portion is easily recognized and brushing is performed. It is possible to sterilize and wash simply by leaving it with water and then flushing it with water even if it is not performed. Naturally, more effective sterilization and washing can be achieved by brushing.
It can also be dissolved in water and used as an immersion sterilizing detergent.

[0003]

2. Description of the Related Art There are many facilities that require a sanitary environment, such as food manufacturing factories, pharmaceutical manufacturing factories, hospitals, nursing homes, kitchens and toilets. In these cases, in order to maintain a sanitary environment, frequent sterilization and cleaning treatment of floors, walls, etc., used equipment, and the like is indispensable.

[0004] Generally, the number of bacteria present on the floor surface is overwhelmingly higher than at other locations. Therefore, the number of bacteria existing on the floor influences the number of bacteria in the environment, and the sterilization and cleaning of the floor is important in improving environmental hygiene.

Conventionally, plastics such as floors and walls, metals,
For disinfecting and cleaning hard surfaces such as glass and tiles, (1) liquid detergent, (2) liquid disinfectant, (3) liquid disinfectant, and (4) powder disinfectant are mainly used. Have been.

However, most of the liquid cleaning agents (1) are used by diluting the undiluted solution in actual use. It takes time and effort to dilute the liquid, and it is difficult to spray it because it is a liquid. It ’s clear,
Effective cleaning is difficult. In addition, since it is a liquid, it may be washed away after application and a sufficient cleaning effect may not be exhibited. In addition, since it contains only the cleaning component, a bactericidal effect cannot be expected, and it is necessary to separately perform a bactericidal treatment. As for the liquid disinfectant of (2), chlorine disinfectants such as hypochlorite are the mainstream, and are highly irritating. It is difficult to effectively disinfect because the place where it is sprayed is unclear. Also,
Although the liquid sterilizing detergent of (3) can be expected to have a cleaning effect and a sterilizing effect, it has the same problems as the liquid detergent of (1). Furthermore, the powder-type disinfectant of (4) does not have a thing which can sterilize and wash at the same time at present, and since it is a solid, it tends to spray a large amount and may cause undissolved residue. That is, an agent that can more easily and reliably sterilize hard surfaces such as floors has not been known.

[0007]

The inventors of the present invention have made intensive studies to solve the above-mentioned problems, and as a result, have found that a foaming agent comprising a cationic fungicide, a carbonate or bicarbonate and a solid acid, By solidifying the surfactant, the sterilization performance is improved by the stirring effect of foaming, and it has been found that a solid agent capable of reliably performing washing and sterilization treatment is obtained, and the present invention is completed. Reached.

That is, the present invention relates to (a) a foaming agent comprising carbonate or bicarbonate (a ₁ ) and a solid acid (a ₂ ) at 10 to 95% by weight; and (b) a cationic fungicide at 0.1 to 10% by weight. (c) An object of the present invention is to provide a solid germicidal detergent composition for hard surfaces, comprising 0.1 to 20% by weight of a surfactant.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The component (a) is a foaming agent comprising a carbonate or bicarbonate (a ₁ ) and a solid acid (a ₂ ), which generates carbon dioxide gas in the presence of water. is there.

Here, the carbonate or bicarbonate (a ₁ ) is
Water-soluble salts such as alkali metal salts and ammonium salts are preferred, and specifically, it is preferable to use one or more selected from sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, ammonium carbonate and ammonium bicarbonate.

The solid acid (a ₂ ) may be in any form such as powder, granules and granules, and those which react with the above-mentioned carbonate or bicarbonate in the presence of water to generate carbon dioxide gas are used. And organic acids are preferably used. In particular, fumaric acid,
Succinic, glutaric, adipic, maleic, citric, gluconic, lactic, malic, tartaric, malonic, aspartic, glutamic, ascorbic,
It is preferable to use one or more selected from oxyacids, ethylenediaminetetraacetic acid, benzoic acid and pyrrolidonecarboxylic acid. Particularly, solid acids such as polybasic acids, hydroxycarboxylic acids, and polyaminocarboxylic acids, which exhibit a chelating effect depending on the pH, are preferred.

In the present invention, the component (a) is preferably incorporated in the composition in an amount of 10 to 95% by weight. In particular, (a) of the components, carbonate or bicarbonate of (a ₁₎ 5 to 90% by weight, preferably contains 10 to 70 wt%, the solid acid (a ₂₎ to the (a ₁₎ component On the other hand, it is desirable to contain 10 to 1000% by weight, preferably 50 to 200% by weight from the viewpoint of improving the bactericidal effect.

In the present invention, since the foam is generated from the component (a), even if the amount is small, the spraying position can be surely recognized. In addition, there is also an improvement in the stirring effect due to the foaming force, and higher sterilization properties can be obtained.

As the cationic bactericide of the component (b), benzethonium chloride, benzalkonium chloride (alkyl group having 8 to 18 carbon atoms), dialkyl (C _{8 to} C ₁₂ ) dimethyl ammonium halide, monoalkyl (C ₈ to C ₁₈ ) trimethylammonium halide or a bactericide of a cationic surfactant system in which a counter ion of these bactericides is converted to another anion; chlorhexidine, chlorohexidine gluconate,
And other amino acid-based surfactants such as alkyl (C ₈ -C ₁₈ ) diaminoethyl glycine and dialkyl (C ₈ -C ₁₈ ) aminoethyl glycine.
Component (b) is present in the composition in an amount of 0.1 to 10% by weight, preferably 1 to 10% by weight.
5% by weight is blended. In this range, excellent sterilizing power can be obtained.

Further, the solid germicidal detergent composition for hard surfaces of the present invention contains at least one kind selected from nonionic surfactants, anionic surfactants, cationic surfactants and amphoteric surfactants. By blending the surfactant (c), sterilization and washing can be performed simultaneously. Among the surfactants (c), a nonionic surfactant and an amphoteric surfactant are preferred, and a nonionic surfactant is particularly preferred because it does not reduce the bactericidal performance of the cationic bactericide.

Examples of the nonionic surfactant include polyoxyethylene alkyl ether, polyoxyethylene alkylene ether, polyoxyethylene sorbitan fatty acid ester, alkyl polyglycoside, sucrose fatty acid ester, and alkyl polyglycerin ether. Polyoxyethylene (average number of moles of ethylene oxide added 3 to 20) alkyl (12 to 18 carbon atoms) ether is particularly preferred because it has a suitable foaming power and a detergency.

Examples of the amphoteric surfactant include amine oxides such as alkyldimethylamine oxide, betaines such as alkyldimethylamino fatty acid betaine and alkylcarboxymethylhydroxyethyl imidazolium betaine.

Examples of the anionic surfactant include higher fatty acid salts, higher alcohol sulfates, higher alcohol sulfonates, sulfated fatty acid salts, sulfonated fatty acid salts, and the like.
Phosphate esters, sulfate esters of fatty acid esters,
Sulfonate of fatty acid ester, sulfate of higher alcohol ether, sulfonate of higher alcohol ether, acetate of higher alcohol ether substitution, condensate of fatty acid and amino acid, alkylolated sulfate of fatty acid amide, Fatty acid amide alkylated sulfonate, sulfosuccinate, alkylbenzene sulfonate, alkylphenol sulfonate, alkylnaphthalene sulfonate, alkylbenzimidazole sulfonate, amide ether carboxylic acid or salt thereof, ether carboxylic acid or the same Salt, N-acyl-N-methyltaurine or a salt thereof, amide ether sulfate or a salt thereof, N-acylglutamic acid or a salt thereof,
N-amidoethyl-N-hydroxyethylacetic acid or a salt thereof, acyloxyethanesulfonic acid or a salt thereof, N-acyl-β-alanine or a salt thereof, N-acyl-N-carboxyethyltaurine or a salt thereof, N-acyl-N -Carboxyethylglycine or a salt thereof, and alkyl or alkenylaminocarbonylmethyl sulfate or a salt thereof.

The cationic surfactants include primary amine salts excluding the agents shown as cationic fungicides;
A secondary amine salt, a tertiary amine salt, and a quaternary ammonium salt are exemplified. Of these, a quaternary ammonium salt is particularly preferred. Examples of the quaternary ammonium salt include compounds represented by the following general formula (1).

[0020]

Embedded image

[Wherein at least one of R ¹ , R ² , R ³ and R ⁴ has a total of 8 to 28 carbon atoms, and is an alkoxyl group, an alkenyloxy group, an alkanoylamino group, an alkenoylamino group, an alkanoyloxy group] A benzyl group, an alkyl group having 1 to 5 carbon atoms, a hydroxyalkyl group having 1 to 5 carbon atoms or a group-(R ⁵ O _m H (where R ⁵ represents an alkylene group having 2 to 3 carbon atoms, and m represents 2 to 2)
20 is shown). The surfactant (c) is preferably incorporated in the composition in an amount of 1 to 5% by weight.

In the present invention, it is also preferable to use a metal chelating agent (d) other than the solid acid (a ₂ ) in combination. When a chelating agent is used in combination, a bactericidal effect and immediate effect in the presence of an organic substance are improved, and storage stability is also improved. Metal chelating agent
(d) includes ethylenediaminetetraacetic acid, hydroxyethylethylenediaminetriacetic acid, diethylenetriaminepentaacetic acid, nitrilotriacetic acid, triethylenetetraminehexaacetic acid, phosphonic acids, tripolyphosphoric acid, ethylene glycol bis (2-aminoethylether) tetraacetic acid, and citric acid , Maleic acid, polyacrylic acid, isoamylene-maleic acid copolymer, silicic acid, gluconic acid, hydroxybenzylimidinoacetic acid, and imidinoacetic acid. As the salt, an alkali metal salt such as sodium and potassium is preferable. The metal chelating agent (d) is preferably incorporated in the composition in an amount of 0.01 to 30% by weight, particularly 0.5 to 10% by weight.

Further, the composition of the present invention contains about 0.1 to 20% by weight of a silicate, a metasilicate, an extender, and a sulfate (e) as a moisture trapping agent in the final composition. can do.

The silicate, metasilicate or sulfate (e) is preferably an alkali metal salt, an alkaline earth metal salt or an ammonium salt of silicic acid, metasilicic acid or sulfuric acid, specifically, sodium silicate, potassium silicate, It is preferable to use at least one selected from calcium silicate, magnesium silicate, sodium metasilicate, potassium metasilicate, sodium sulfate, potassium sulfate, calcium sulfate, magnesium sulfate and ammonium sulfate.

The solid germicidal detergent composition for hard surfaces of the present invention can be obtained by mixing and stirring when each component is a solid containing no water such as powder or granules. If it contains hydrates (including aqueous solutions), use carbonates or bicarbonates (a ₁ ).
(b) The component and the optional component can be manufactured by mixing and stirring first, then heating and drying, and finally mixing and stirring with the solid acid (a ₂ ).

In the composition of the present invention, when there are liquid components such as an aqueous solution of the cationic bactericide (b) and a liquid surfactant (c), these liquid components are carbonated or bicarbonated. It may be obtained by supporting on the salt (a ₁ ), or after drying by heating, mixing with the solid acid (a ₂ ) or the like to form a formulation. In this case, carbonate or bicarbonate (a ₁ ) is granulated using the liquid component as a binder. The method of adding the liquid component is not limited, and is preferably, for example, dropping or spraying. The order of addition may be either first or simultaneous.

Preferred granulators include, for example, a high-speed stirring mixer (Henschel mixer, super mixer), a stirring tumbling granulator (high speed mixer, vertical granulator, Redige mixer) and the like.

After the above-mentioned granulation operation, the surface may be modified. The surface modification referred to here is to coat the surface of the granulated material with a water-insoluble inorganic powder. The present composition can be prevented from exuding liquid components and having good fluidity properties. Examples of the surface modifier include clay minerals such as talc, calcium carbonate, silica (crystalline and amorphous), and aluminosilicates (crystalline and amorphous) such as zeolite.
Particularly, amorphous silica is preferable. Further, the surface modification may be performed after the above-mentioned granulation operation, after a drying operation described later, or two times after the granulation operation and after the drying operation.

After the granulation operation, the granulated material may be dried if necessary. This operation is particularly effective when the granulated material contains water. The drying apparatus can use any method such as fluidized bed, shelf type drying, and vacuum drying, but when using bicarbonate, fluidized bed drying or vacuum drying is preferable from the viewpoint of suppressing the decomposition of bicarbonate due to heat.

Further, in the present invention, if necessary, other additives such as other bactericides, extenders, thickeners, enzymes,
A perfume, a colorant, an abrasive, a binder, an acid or an alkali as a pH adjuster, and the like can be appropriately compounded within a range that does not impair the effects of the present invention.

The final dosage form is not particularly limited as long as it is a solid such as powder, granules, tablets and the like. In the case of the tablet type, it is possible to sterilize the surroundings simply by placing it in an appropriate place.

[0032]

EXAMPLES Examples 1-2 and Comparative Examples 1-2 Fungicidal compositions shown in Table 1 were prepared. 3.5
An aqueous solution diluted 30 times with ° DH hard water was prepared as a practical use system. Using the diluent, the sterilizing power was evaluated by the following method. Further, the shortest sterilization time was evaluated using the compositions shown in Table 1 by the following method. Table 1 shows the results.

[Evaluation of bactericidal activity] The bactericidal activity was evaluated using Escherichia coli IFO3972 and Staphylococcus aureu as test bacteria.
s Using IFO12732, the contact time was fixed at 60 seconds, and when the composition was diluted, the maximum dilution ratio that could be 100% sterilized was determined. That is, inoculum preincubated in SCD medium (Nippon Pharmaceutical Co., Ltd.) (about ^{10 9 ~10 10 cell / ml)} 0.1ml up, the diluent 10ml diluted in 3.5 ° DH hard water was sterilized composition And acted for 60 seconds at room temperature. After 60 seconds, one loopful of the bacterial contact solution was collected and inoculated into a micro-chalet (CORNING, 96-Cell Wells) containing 0.3 ml of SCD medium for post-culture. The cells were cultured at 30 ° C. for 3 days, and the growth of the bacteria was visually observed to determine the strength of the effect. That is, the maximum dilution ratio at which no growth of bacteria was observed on the microplanter was determined, and the higher the ratio, the higher the bactericidal effect. Table 1 shows the obtained results.

[0034] [shortest sterilization time measurement] Furthermore, in order to evaluate the bactericidal effects of foaming, bacteria were pre-cultured in SCD medium (Nippon Pharmaceutical Co., Ltd.) (about ^{10 9} ~10 10 cell / ml)
Was diluted to 10 ⁸ cells / ml with sterilized 3.5 ° DH hard water to prepare 10 ml of a diluent (test bacteria were the same as above). 0.10 g of the powder composition was added to this liquid, and one loopful of the liquid was collected every 10 seconds without stirring, and a micro-chalet containing 0.3 ml of SCD medium for post-culture (manufactured by CORNING, 96-Cell Wells) was used. )
Was inoculated. It was done until after 60 seconds. After culturing at 30 ° C. for 3 days, the growth of the bacterium was visually observed, and the shortest time at which 100% sterilization was possible was determined. The results are shown in Table 1.

Example 3 A high-speed stirring mixer having a cooling water of 10 ° C. passed through a jacket (manufactured by Kawada Seisakusho Co., Ltd .: Super Mixer SM 500).
138 kg of sodium carbonate (Central Corporation: dense ash)
And 60 kg of sodium bicarbonate (manufactured by Tosoh Corporation: sodium bicarbonate (addition C)), followed by stirring at 206 rpm. While stirring, 9 kg of nonionic surfactant 2 (Emulgen 108, manufactured by Kao Corporation) is added by spraying for 6 minutes, followed by a cationic fungicide [benzalkonium chloride (lauryl /
30 kg of a 50% by weight aqueous solution of myristyl (2/1 (molar ratio)); Sanisol B50 manufactured by Kao Corporation was added by spraying for 8 minutes. At the same time as adding the cationic disinfectant, dry compressed air was blown into the high-speed stirring mixer at 40 L / H.

After adding the cationic fungicide, the mixture was stirred for 1 minute, and the stirring and the blowing of dry compressed air were stopped. Thereafter, 3 kg of amorphous silica (Tokuyama NR, manufactured by Tokuyama Corporation) was charged into a 500 L high-speed stirring mixer as a surface modifier, stirred for 1 minute, and then extracted from the high-speed stirring mixer.

The obtained granulated product is charged into a fluidized bed dryer (Quick TFO 60-100, manufactured by Okawara Co., Ltd.), and the hot air inlet temperature is set to 80 ° C., and dried for 1 hour and 20 minutes. Fifteen
It switched to cold air of ° C and cooled for 15 minutes.

75 kg of the obtained dried product, 20 kg of fumaric acid (manufactured by Kawasaki Kasei Co., Ltd.), and sodium sulfate (Shikoku Kasei Kogyo Co., Ltd.) Co., Ltd .: 5 kg of neutral anhydrous sodium sulfate A0B) was charged and mixed for 10 minutes.

Thereafter, the obtained product was passed through a 1410 μm size sieve (Dalton Co., Ltd .: 700 φ round vibrating sieve) to fill the product. Using this, the same evaluation as in Example 1 was performed. Table 1 shows the results.

[0040]

[Table 1]

* 1: Sanisol B50, manufactured by Kao Corporation; benzalkonium chloride (lauryl / myristyl = 2/1)
(Molar ratio) 50% by weight aqueous solution (the amount in the table is shown as an effective component) * 2: Polyoxyethylene lauryl ether (trade name:
* 3: Polyoxyethylene lauryl ether (trade name: Emulgen 120, manufactured by Kao Corporation)
* Emulgen 108, manufactured by Kao Corporation * 4: Lauryl dimethylamine oxide (trade name: Amphitol 20N, manufactured by Kao Corporation) * 5: Tokusil NR, manufactured by Tokuyama Corporation

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[Procedure amendment]

[Submission date] October 16, 1998

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Name of invention

[Correction method] Change

[Correction contents]

[Title of the Invention] Sterilizing detergent composition for floor

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0001

[Correction method] Change

[Correction contents]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disinfecting detergent for powder used in floors of food factories, kitchens, hospitals, nursing homes, public toilets and the like where it is necessary to reduce the number of bacteria in the environment.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0002

[Correction method] Change

[Correction contents]

[0002] The germicidal detergent composition of the present invention is a powder,
Because it contains a foaming agent, when sprayed directly on a wet floor etc., bubbles due to carbon dioxide gas are generated and the spraying point is easy to understand, and even if you do not brush it, just leave it with water after leaving it with the force of the foam generated Can be sterilized and washed, and of course, brushing can provide more effective sterilization and washing.

[Procedure amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0003

[Correction method] Change

[Correction contents]

[0003]

2. Description of the Related Art There are many facilities that require a sanitary environment, such as food manufacturing factories, pharmaceutical manufacturing factories, hospitals, nursing homes, kitchens and toilets. In these cases, frequent sterilization and cleaning treatment of the floor is indispensable to maintain a sanitary environment.

[Procedure amendment 6]

[Document name to be amended] Statement

[Correction target item name] 0005

[Correction method] Change

[Correction contents]

Conventionally, for disinfection and cleaning of floors, (1) liquid detergent, (2) liquid disinfectant, (3) liquid disinfectant, (4)
Powdered fungicides are mainly used.

[Procedure amendment 7]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction contents]

However, most of the liquid cleaning agents (1) are used by diluting the undiluted solution in actual use. It takes time and effort to dilute the liquid, and it is difficult to spray it because it is a liquid. It ’s clear,
Effective cleaning is difficult. In addition, since it is a liquid, it may be washed away after application and a sufficient cleaning effect may not be exhibited. In addition, since it contains only the cleaning component, a bactericidal effect cannot be expected, and it is necessary to separately perform a bactericidal treatment. As for the liquid disinfectant of (2), chlorine disinfectants such as hypochlorite are the mainstream, and are highly irritating. It is difficult to effectively disinfect because the place where it is sprayed is unclear. Also,
Although the liquid sterilizing detergent of (3) can be expected to have a cleaning effect and a sterilizing effect, it has the same problems as the liquid detergent of (1). Furthermore, the powder-type disinfectant of (4) does not have a thing which can sterilize and wash at the same time at present, and since it is a solid, it tends to spray a large amount and may cause undissolved residue. That is, an agent that can more easily and reliably sterilize the floor has not been known.

[Procedure amendment 8]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction contents]

[0007]

The inventors of the present invention have made intensive studies to solve the above-mentioned problems, and as a result, have found that a foaming agent comprising a cationic fungicide, a carbonate or bicarbonate and a solid acid, By using the surfactant in powder form, the sterilization performance is improved by the stirring effect of foaming, and it has been found that a powdery agent capable of reliably performing washing and sterilization treatment is obtained, and the present invention is completed. Reached.

[Procedure amendment 9]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction contents]

That is, the present invention relates to (a) a foaming agent comprising carbonate or bicarbonate (a ₁ ) and a solid acid (a ₂ ) at 10 to 95% by weight; and (b) a cationic fungicide at 0.1 to 10% by weight. (c) A powdery or granular germicidal detergent composition for floors containing 0.1 to 20% by weight of a surfactant and containing no inorganic peroxide.

[Procedure amendment 10]

[Document name to be amended] Statement

[Correction target item name] 0025

[Correction method] Change

[Correction contents]

The germicidal detergent composition for floors of the present invention can be obtained by mixing and stirring when each component is a solid containing no water such as powder or granules. When containing a hydrate (including an aqueous solution), the carbonate or bicarbonate (a ₁ ), the component (b) and the optional component are first mixed, heated, dried by heating, and finally mixed with the solid acid (a ₂ ). It can be manufactured by mixing and stirring.

[Procedure amendment 11]

[Document name to be amended] Statement

[Correction target item name] 0031

[Correction method] Change

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The final dosage form is in the form of powder or granules.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI A61L 2/16 A61L 2 / 16Z C11D 3/10 C11D 3/10 3/20 3/20 (72) Inventor Takahiro Furuya Wakayama 1334 Minato, Wakayama City, Kao Corporation (72) Inventor Yoshihiro Honda, 1334 Minato, Wakayama City, Wakayama Prefecture, Kao Corporation

Claims (4)

[Claims] 1. A (a) carbonate or bicarbonate (a ₁₎ a solid acid
solid sterilizer for hard surfaces, comprising 10 to 95% by weight of a foaming agent comprising (a ₂ ); (b) 0.1 to 10% by weight of a cationic germicide; and (c) 0.1 to 20% by weight of a surfactant. Detergent composition. 2. The solid germicidal detergent composition for hard surfaces according to claim 1, wherein the surfactant (c) is a nonionic surfactant and / or an amphoteric surfactant. 3. The solid sterilizing detergent composition for hard surfaces according to claim 1, wherein the surfactant is polyoxyethylene alkyl ether. 4. The method according to claim 1, wherein the cationic fungicide (b) is selected from a cationic surfactant fungicide, a biguanide fungicide and an amino acid surfactant. A solid germicidal detergent composition for hard surfaces.