TW201144538A - Method for washing toilet bowl - Google Patents

Abstract

A method for washing a toilet bowl, comprising the steps of: (1) applying a toilet bowl detergent composition onto a toilet bowl, wherein the toilet bowl detergent composition comprises 14 to 64 mass% of (a) a polyoxyethylene alkyl ether having a C14-22 alkyl group and also having the average number of moles of ethylene oxide moieties added of 20 to 80, (b) ethanol and water, and has a viscosity of 50 to 3000 mPas at 25 DEG C; (2), subsequent to step (1), allowing the applied toilet bowl detergent composition to leave for 1 minute to 3 hours to volatilize the component (b) from the composition that has been applied in step (1), thereby forming a gel having a higher viscosity than that of the composition that has not been applied; and (3) applying water onto the gel that has been formed in step (2) to produce a washing medium comprising the component (a) and water, thereby applying the washing medium onto the toilet bowl.

Description

201144538 VI. Description of the Invention: [Technical Field to Which the Invention Is Ascribed] The present invention relates to a method of cleaning a toilet. [Prior Art] For the washing of a water-washing toilet, there has been known a detergent composition as described above, which is intended to dissolve the detergent active ingredient in the washing water in the water tank, and to continuously clean the dirt of the toilet. It remains clean. These are known as automatic cleaners for toilets. Further, as a method which can be applied without being restricted by the form of the water-washing toilet, a method of forming a gradual coating on the surface of the toilet and continuing the washing of the toilet or the like is also known. For example, in Japanese Patent Laid-Open Publication No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. After the part, the active ingredient is slowly released by gradually melting the water. Further, there is also known a method in which a gradually dissolving gel is adhered to the surface of a toilet, and the washing component is gradually released to continuously perform washing of the toilet. For example, in International Publication No. 02/26925, it is disclosed that an agent having a viscosity of 15 〇〇〇 mPa.s or more is directly applied to an object. A microemulsion composition for removing oily or viscous soils is disclosed in US-B6323171. SUMMARY OF THE INVENTION The present invention relates to a method for cleaning a toilet comprising the following steps 1 to 3: Step 1: The carbon number of the (a) alkyl group is 14 to 22 and the average molar number of ethylene oxide is 20 to 80 polyoxyethylene alkyl scales 14 to 64 mass. /〇, (b) Ethanol, and water, and the viscosity at 25 C is 50~3〇〇〇mpa.s The toilet detergent group 155297.doc 201144538 is applied to the toilet; Step 2: After step 1 is allowed to stand for 1 minute to 3 hours, thereby causing (b) volatilization from the composition applied in the step to form a viscosity of the composition before application and a gel of the stomach; Step 3: in step 2 Water is applied to the formed gel to form a cleaning medium containing (a) and water, and the cleaning medium is applied to a toilet. [Embodiment] When the toilet is washed with a composition capable of forming a film which gradually releases the cleaning component, it is desired to facilitate the application of the toilet (the easiness of releasing the detergent composition from the container, The ease of attachment of the toilet, the ease of applying the detergent composition to a uniform and wide range, and the excellent sustainability of the cleaning power. When the composition containing the water-dissolving retardation component and the cleaning component described in JP-A-2005-187511 has a long drying process, it is insoluble or collapsed. Further, in the composition containing the water-soluble retardation component, the drug component, and the solvent described in JP-A-2006-206882, the content of the component contributing to the detergency is small and does not have sufficient detergency. The gradual solubility characteristics of the ingredients are also insufficient. The composition described in International Publication No. 02/26925 has an extremely high viscosity, and is designed in such a manner that the composition is attached to the surface of the toilet and partially retained. Therefore, it is not suitable for uniform application to the surface of the toilet. . The present invention provides a method for washing a toilet bowl, which comprises the step of applying a detergent composition for a toilet which is excellent in the ease of application of the toilet and the sustainability of the cleaning power to the toilet. The present invention is excellent in the ease of application of the toilet and the sustainability of the detergency. 155297.doc 201144538 <Detergent composition> The viscosity of the detergent composition of the present invention at 25 ° C (hereinafter referred to as initial viscosity) is 50 to 3000 mPa·s, preferably 100 to 2500 mPa. .s, better for 150~2000 mpa's. From the viewpoint of the operability such as the ease of discharge when the composition is stored in a container and used for the purpose of the adhesion of the detergent composition to the toilet, it is 3 〇〇〇mPa-s below. The detergent composition of the present invention contains a polyoxyethylene alkyl ether having an alkyl group having a carbon number of 14 to 22 and an average of ethylene oxide addition of 20 to 80 as (a) a knife. The component (a) is a component to be washed, and is a component which contributes to imparting the above initial viscosity or forming a high-viscosity gel after volatilization of ethanol. (The alkyl carbon number of the magic component is 14 to 22', preferably 16 to 18. It is easy to extract the composition from the container from the viewpoint of the adhesion of the toilet and the sustainability of the detergency. From the viewpoint of the nature, it is 22 or less. Further, the average ethylene oxide addition amount of the component (a) is 20 to 80, preferably 25 to 70, more preferably 30 to 60. The detergency sustainability In view of the above, it is preferably 80 or less from the viewpoint of adhesion to the toilet. The detergent composition of the present invention preferably contains ("Component 14 to 64% by mass, more preferably 15" ～60% by mass, and more preferably 2〇 to 5〇% by mass. From the viewpoint of the sustainability of the detergent and the adhesion to the toilet, it is preferably 14% by mass or more, and the composition is taken out from the container. From the viewpoint of easiness, it is preferably 64 mass% or less. The detergent composition of the present invention may contain a cleaning component other than the component (a). As the cleaning component, a surfactant is preferable. A nonionic surfactant other than the component (4) is preferred. Here, as a component other than the component (4), 155297.doc 20 1144538 A sub-surfactant, preferably a surfactant having a polyoxyethylene (oxyethylene oxide average addition molar number of 1 to 6) bond, specifically: a stone-containing anastomotic number of 8~ 18 and the average addition molar number of the oxidized ethene is the polyoxyethylene alkylene ether of the hexamethylene group, the carbon number of the alkyl group is 8 to 18, and the average ethylene oxide addition number of the oxyethylene oxide is 1 to 6 a nonionic surfactant mixture of a phenylene ether, an alkyl or alkenyl group having a carbon number of 8 to 18 and an average ethylene oxide addition molar number of ethoxylated ethylene or a dilute base; (4) The carbon number of the ethylene oxide is ^ and the average molar addition of ethylene oxide is the polyoxyethylene oxyalkylamine of the group 6. The carbon number of the thiol group is 8 to 18 and the average molar number of ethylene oxide is 1 ～6 polyoxyethylene fatty acid (carbon number 8 to 18) alkanol decylamine, etc. The detergent composition of the present invention contains ethanol as component (b), component (8) and component (a) are helpful. The component imparting the above initial viscosity is also a volatile component, so that the viscosity of the composition is increased by volatilizing the component (b) from the composition. The detergent composition of the present invention preferably contains the component in an amount of 2 to 30% by mass, more preferably 35% by mass, from the viewpoint of easiness of extracting the composition from the container and coating in a uniform and wide range. In particular, it is preferably 2 mass% or more, and is preferably 3% by mass or less from the viewpoint of adhesion to the toilet and the sustainability of the cleaning power. The detergent composition of the present invention may contain ( b) A volatile alcohol other than the component. The term "volatile component" as used herein means 2 (a saturated vapor pressure of rc is 1 kPa or more, that is, a substance which volatilizes at 2 〇eC under normal pressure. In the detergent composition, a bactericidal cationic surfactant having a quaternary ammonium salt type having one or two hydrocarbon groups having 6 to 16 carbon atoms, preferably 8 to 14 carbon atoms, may be formulated to impart bactericidal properties. . 155297.doc 201144538 The cationic surfactant is preferably one selected from the group consisting of a cationic surfactant represented by the following formula (1) and a cationic surfactant represented by the formula (2). More than one. [Chemical 1]

[wherein R 1 represents a hydrocarbon group having a carbon number of 8 to 18 or the following formula [Chemical 2]

(wherein R5, R6, r7, r9, and Rl0 are each independently a carbon number 3 alkyl group, and R8, Rn, and R12 are each independently a carbon number 丨~3 alkyl group), r2, R Each independently represents an alkyl group having 1 to 3 carbon atoms, and R4 represents an alkylene group having 1 to 3 carbon atoms. An anionic group, preferably an ion, an amino acid ion, a fatty acid soap anion residue, a phosphate vine anion residue having a linear or branched alkyl or alkenyl group of a carbon number, and a phosphonate anion residue Formaldehyde condensation of a sulfonate anion residue or a sulfated sulfate anion residue or a sulfonate containing a polystyrene sulfonate having a degree of polymerization of 3 or more or a polycyclic aromatic compound having a hydrocarbon group as a substituent Anionic oligomer or polymer] [Chemical 3] X Ζ · (2) R, 4 R16 » m 155297.doc 201144538 [wherein R and R independently represent a carbon number of 6 to 14, and Ri3 and R14 The total carbon number is a long-chain alkyl group, a long-chain alkenyl group or a long-chain hydroxyalkyl group of 16 to 26; and Rls and R are independently represented by an alkyl group having 1 to 3 carbon atoms, a hydroxyalkyl group or -(OR)n_OH (wherein, R >8 represents an alkenyl group having 2 to 4 carbon atoms, and n represents a group represented by the number of bismuth); Ζ· represents the same meaning as described above] In the formula (1), as R1, From the viewpoint of detergency, an alkyl group having 6 to 18 carbon atoms is preferred, and an alkyl group having 8 to 14 carbon atoms is more preferred. In the formula (2), and R14 are each independently an alkyl group having 8 to 12 carbon atoms. Further, as the general formula Z and Z in the formula (2), a functional ion is preferred. The content of the above cationic surfactant is preferably from 0.1 to 8 mass%, more preferably from 1 to 5 mass%, in terms of bactericidal properties. In the detergent composition of the present invention, the builder component may also be formulated to improve the detergency. The following components are mentioned as a builder component. (i) an amino acid such as aspartic acid, glutamic acid or glycine, and an alkali metal salt thereof or an amine alcohol salt. (Η) Nitrogen-based triacetic acid, imidodiacetic acid, ethylenediaminetetraacetic acid, ethylethyl-amine triacetic acid, diethylenediamine pentaacetic acid, diol transdiaminetetraacetic acid, hydroxyethyl An aminocarboxylic acid such as aminodiacetic acid, triethylenetetramine hexaacetic acid or djenkolic acid, and a metal salt or an alkanolamine salt thereof. (iii) diglycolic acid, oxydisuccinic acid, stearyl succinic acid, citric acid, lactic acid, tartaric acid, oxalic acid, frequency fruit acid, oxygen-glass leucovoric acid, gluconic acid, carboxymethyl An organic acid such as a ruthenium acid or a carboxymercapto tartaric acid, and an alkali metal salt or an alkanolamine salt thereof. 155297.doc 201144538 Among these, preferred are citric acid, malic acid and the like (iv); ethylenediamine tetraethyl sulfonate, amine-based tarenic acid such as ethylethylenediaminetriacetic acid; and the salts thereof. As the form of the salt, it is preferred to use a salt, a salt, a salt, a salt, and a salt. The content of the above-mentioned builder component is preferably in the composition in terms of the detergency (M~5f% by weight, particularly preferably G2~3 mass%). The cationic surfactants represented by the general formulae (1) and (7) and the builder components described in the above (1) to (iii) are used in combination to prevent the effect of preventing the occurrence of the ring-shaped dirt generated by the toilet water seal portion. Therefore, it is preferred to use (iv) a surfactant and a builder component in combination. The weight of the cationic surfactant and the builder component is preferably 10/W/U based on the cationic surfactant/builder component. The scope. Although the reason for this is not clear, it is considered that the builder component and the cationic surfactant have a weak interaction, and the cationic surfactant is prevented from being adsorbed on the surface of the toilet and stabilized, thereby forming a water seal which causes the generation of the ring-shaped dirt. The bactericidal effect is exhibited in the department. The detergent composition of the present invention contains the above components together with water. The water content is adjusted so that the total amount of the detergent composition is 1% by mass. That is, the remainder of the detergent composition is water.

The detergent composition of the present invention forms a gel having a higher viscosity than the composition before volatilization by volatilization of ethanol as the component (b). Specifically, the viscosity of the gel formed by volatilization of ethanol as the component (b) is preferably 25. . The lower part is lOPa.s or more, more preferably 1 〇〇 pa s or more, and even more preferably 1000 Pa.s or more. The viscosity of the gel is the viscosity of the gel formed by volatilization of the component (b) from the detergent composition, and can be measured, for example, using T〇KIMEC 155297.doc 201144538 VISCOMETER MODEL BM (manufactured by TOKIMEC INC). For the sake of convenience, the viscosity of the gel is referred to as "post-volatility viscosity". The gel having the viscosity after volatilization can be formed by sufficiently volatilizing the ethanol from the composition. The most convenient method is as follows: after applying the surface of the toilet, the ambient temperature (for example, room temperature) of the toilet is set. Dry 丨 minutes to 3 hours. From the viewpoint of the sustainability of the gel, the viscosity after volatilization is preferably 10 Pa.s or more. The detergent composition for toilet of the present invention is preferably such that when 10 g is uniformly applied to the inner diameter 85, it is dried in an environment of _ and humidity for 3 hours; and the viscosity at 25 C is formed to be l〇pa.s. Above gel. Further, the gel formed by volatilization of ethanol as the component (b) is preferably gradually soluble in water. Here, the term "soluble in water" refers to a property obtained by uniformly applying 10 g of the composition to a glass petri dish having an inner diameter of about 85 mm and drying in an environment of 4 CTC and a humidity of 50% for 3 hours. In the gel, one part of the tap water at 25 ° C was gently added and left for a minute, and one of the components (a) was partially dissolved in the above tap water. The method of applying the composition of the present invention filled in a squeeze container to the surface of the toilet, and spraying the composition of the present invention filled in the spray container onto the surface of the toilet, etc. The composition of the present invention is applied to the surface of the toilet and placed until the ethanol is volatilized, whereby a gel having the above-mentioned volatilized viscosity and preferably having a gradual solubility against water can be formed. The pH of the detergent composition of the present invention at 25 t is preferably from 2 to 13, more preferably from 3 to U, still more preferably from 3 to 7. The p H value was measured using a pH meter D-52S and a pH electrode 6367-10D of Horiba Co., Ltd. 155297.doc •10- 201144538 <Method for washing toilet bowl> The method for washing the toilet of the present invention is to apply the detergent composition of the present invention to a toilet to make (b) ethanol coated. The composition is volatilized to form a gel having a high viscosity and preferably having a gradual solubility against water, and the water is used in the gel to dissolve the (4) polyoxyethylene sulfhydryl group, and the toilet is washed. Specifically, L' includes the following steps 1 to 3. Step 1 The toilet detergent composition of the present invention is applied to a toilet. Step 2 is in the step! Thereafter, it was left for 3 minutes to 3 hours, whereby (8) the composition coated in the step 1 was volatilized to form a gel having a higher viscosity of the composition before coating. Step 3. Apply water to the gel formed in the step 2 to form a cleaning medium containing (a) and water, and apply the cleaning medium to the toilet. The coating of the detergent composition in the step 1 on the toilet may be a method of spraying a liquid filled in the squeeze container and applying it to the surface of the toilet, and a liquid to be filled in the spray type 11 A method of spraying onto a surface of a note or the like. The amount of the detergent composition applied is preferably 4 Torr for each of the surfaces of the toilet, i is 2 g 50 g', more preferably 5 to 4 g. From the viewpoint of the sustainability of the detergency, it is preferably 2 gWJ1, and is preferably 5 〇 g or less from the viewpoint of the use efficiency of the detergent composition. The squeeze container is not particularly limited, and is preferably a container described in Japanese Patent Laid-Open Publication No. 2009-298426. It comprises a flexible container body, a pressure regulating member that regulates the pressing deformation of the container body in the container body, and a type in which the internal solution is ejected by pressing the container body. 155297.doc 201144538 There is no particular limitation as the spray container, and a spray container (called a trigger spray container) equipped with a trigger type = mist is preferably used. The trigger type mist mister can be exemplified by a container body including a liquid detergent composition and a trigger type liquid ejector attached to a mouth of the container body, and further includes a spray container (referred to as a spray) a mist container (1), wherein a trigger sprayer for discharging a liquid detergent composition is attached to a mouth of the container body, and a vertical pipe and a horizontal pipe are formed inside the trigger sprayer. A gate is formed in the vertical line to block the communication between the vertical line and the horizontal line. The volume of the flat tube on the spray-capacitor (1) towel is preferably (Μ~0.28). The volume under the above-mentioned valve of the vertical pipe is preferably 〇.〇6~0.19 cm3. The spray container (1) is in the horizontal pipe. The lower part of the road has a cylinder 'again, a rotating element is attached to the front end of the horizontal pipe, and a nozzle part having a nozzle hole is embedded and fixed at the front end of the rotating element. The spray container (I) is of the following type : Pulling the trigger to discharge the air in the cylinder to the outside, and when the trigger is reset, the liquid (4) solution is immersed in the vertical line of the liquid detergent composition through the container body, and the money body is filled with the above In the cylinder, the trigger is pulled again, thereby extruding the liquid in the cylinder and introducing it into the vertical pipeline, thereby imparting rotation to the liquid flow through the horizontal pipeline and the rotating element, and finally ejecting from the nozzle. As a trigger spray For the container, for example, it can be washed and dried by a trigger spray container of "Bathroom Wan Jie Ling Bu Bu Bu" (Kao Co., Ltd.). In step 2, 'make as component (b) Ethanol self-leveling Volatilizing to form a gel having a higher viscosity than the composition before coating. In step 2, it is preferred that the ethanol as the component (b) is volatilized from the composition to form a viscosity at 25c >c 155297.doc • 12- 201144538 is a gel of 10 Pa.s or more. The gel formed in the step 2 is preferably gradually soluble in water. When the coating amount in the step 1 is in the above range, it is usually Place it at room temperature for several minutes to several hours, and specifically place it for ~3 hours, thereby forming a gel having a higher viscosity than the composition before coating and preferably having water solubility. In step 3 Applying water (for example, contacting the flowing water, etc.) to the gel formed in the step 2 to generate a washing medium containing (a) and water, and applying the washing medium to the toilet. In the step 2, After the viscosity of the gel becomes 10 Pa.s or more at 25 〇 CT, the application of the gel to the gel in the step 3 is started. The gel formed by the detergent composition of the present invention in the step 2 is In the same way, the washing in the toilet is washed once, and it will not be peeled off due to contact with water. , excessive dissolution, viscosity reduction, etc., f is retained in the application site, and the component containing the component (a) is released by contact with water, thereby washing the toilet. That is, by including the component (a) And the washing medium for water is washed in contact with the toilet. The washing medium containing the component (a) and water may suitably contain a water-soluble component derived from the gel. In the present invention, the detergent composition is preferably used. It is applied to the edge portion (inner side edge portion) of the seat type water washing device (so-called western toilet). Generally, the seat type water washing device is provided with a supply port for washing water for washing the inner wall surface of the bowl body of the toilet body. In many cases, a water discharge port is provided at the inner edge of the periphery of the toilet. In the present invention, it is preferred to apply the detergent composition of the present invention to the self-seat type water washing device in steps 1 and 2. A gel is formed downstream of the flow path of the washing water. [Examples] 155297.doc • 13· 201144538 The following examples are illustrative of the practice of the present invention. The embodiments are described with respect to the examples of the invention, and are not intended to limit the invention. The detergent compositions of the examples and the comparative examples were obtained by using the respective components shown in Tables 1 and 2. Further, Comparative Example 13 of Table 2 is the combination described in Example 6 of JP-A-2005-187511. Comparative Example 14 of Table 2 is the composition described in Example 1 of JP-A-2006-206882. The pH value (25: (:) is adjusted with 6 N-aqueous sodium hydroxide solution or 6 N-hydrochloric acid as needed. Using each of the detergent compositions, coating convenience, washing durability, and the following methods are used. And the test for the prevention of the ring-shaped dirt. The initial viscosity and the viscosity after volatilization of the composition were measured by the following methods. The results are shown in Tables 1 and 2. (Measurement of viscosity) The apparatus for measuring the initial viscosity was TOKIMEC INC. Manufactured

TOKIMEC VISCOMETER MODEL BM. The measurement conditions were as follows: the rotation speed was set to 30 rpm using a Νο·3 rotor at 25 ° C to measure the measured value after the start of 1 minute as the initial viscosity. The viscosity after volatilization was measured by uniformly applying the composition 1 〇 g to a glass culture having an inner diameter of 85 mm and drying in an environment of 40 ° C and a humidity of 50% for 3 hours. In the composition comprising ethanol, ethanol is volatilized under such conditions. The measurement apparatus was measured using Physica MCR-301 manufactured by Anton Paar Co., Ltd. and CP50_1 (series 3275) as a culture dish under the conditions of a shear rate of 0·1 s·1 at 25 °C. (Easy to apply) For a table using a 500 ml squeeze container! The detergent composition was applied to 155297.doc •14·201144538 The ease of coating when the inner edge portion of the toilet was evaluated. It is prescribed that the detergent composition can be ejected by merely holding the squeeze type II by hand, and the detergent composition is adhered' and can be easily applied to the inner side edge of the western toilet. Ten subjects were coated on the inside edge of the toilet bowl and evaluated according to the following evaluation criteria. 1 : 0~2 answers can be easily applied. 2: 3~5 answers can be easily applied. 3: 6~8 answers can be easily applied. 4: 9~10 answers can be easily applied. (Washing durability) Using a 500 ml squeeze container, the detergent composition 2 was applied to the inner edge portion of the western toilet, and dried at room temperature to form a gel. In the examples, a gel having a viscosity higher than the initial viscosity and having a gradual solubility to water is formed. Apply model fouling (oleic acid: 49.95 mass%, triolein §: 49.95 mass%, Sudan III: 0.10 mass%) every hour and every hour from 9:00 to 16:00. Flushing operation after μ1. The operation is continued from the week-to-five on the 5th of the week, and the operation is interrupted on Saturday and Sunday. This operation was repeated 'evaluated according to the following evaluation criteria. Λ After 1 to 10 times of flushing operation, there is residual dirt. After 11 to 30 times of flushing operation, there is residue of dirt. After 31 to 50 times of flushing operation, there is residue of dirt. After the water flushing operation, the residue of the above-mentioned washing durability is evaluated until the inside of the toilet is 155297.doc 15 201144538 = the annular dirt is generated on the water line of the department. In the period until the end, the evaluation is based on the five evaluations. Since the ring-shaped soil is generated, it cannot be easily removed by the medium-scale operation, so the test is terminated once it is produced. After 1:50 flushing operations, there is a ring of dirt. 5〇_After the flushing operation, the ring-shaped dirt was not confirmed, and the ring-shaped dirt was confirmed during the 7-time flushing operation. Up to 90 times of flushing operation 3 : Annular dirt was confirmed during the period of 70 times of flushing operation. 4 • After the 90-time flushing operation, the ring-shaped dirt was not confirmed to: a. The ring-shaped dirt was confirmed as the stop period. Human flushing operation 5: After 110 flushing operations, there is a ring of dirt. 155297.doc -16- 201144538 155297.doc οε inch 令徐#¥ 001 0·inch 088

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Claims (1)

201144538 VII. Patent application scope: 1. - Washing method for toilet bowl, which includes the following steps of step 3. · Step 1: The carbon number containing (4) ray base is 14~22 and the average ethylene oxide is added to moor A polyoxyethylene alkyl ether having a number of 20 to 80, a concentration of 14 to Mf, (... ethanol and water, and a viscosity of 5 〇 to 3 〇〇〇 mPa.s at 25 C is applied to the toilet detergent composition. Disposed on the toilet; Step 2. Placed in the step of ]~3 hours, thereby allowing (b) volatilization from the composition applied in the step to form a higher viscosity than the composition before coating. Gel; Step 3: Apply water to the gel formed in Step 2 to produce a cleaning medium containing (a) and water, and apply the cleaning medium to the toilet. 2. Request the item! A cleaning method comprising (b) 2 to 3 〇 mass 3. The method of washing the toilet of claim 1 or 2, wherein 10 g of the toilet detergent composition is uniformly applied to an inner diameter of 85 mm The glass is cultured in a lone medium and dried at 40 ° C and a humidity of 50% for 3 hours, and the viscosity at 25 ° C is formed by volatilization of (b). A gel of 1 〇Pa·s or more. 4. The method of washing the toilet of claim 1 or 2, wherein the viscosity of the gel formed in the step 2 is 1 〇Pa.s or more at 25 ° C. 155297 .doc 201144538 IV. Designated representative map: (1) The representative representative of the case is: (none) (2) The symbol of the symbol of the representative figure is simple: 5. If there is a chemical formula in this case, please disclose the chemical formula that best shows the characteristics of the invention. : (none) 155297.doc