EP2098587A1 - Mélange de décalquage, de nettoyage et/ou de désinfection - Google Patents

Mélange de décalquage, de nettoyage et/ou de désinfection Download PDF

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Publication number
EP2098587A1
EP2098587A1 EP09005788A EP09005788A EP2098587A1 EP 2098587 A1 EP2098587 A1 EP 2098587A1 EP 09005788 A EP09005788 A EP 09005788A EP 09005788 A EP09005788 A EP 09005788A EP 2098587 A1 EP2098587 A1 EP 2098587A1
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EP
European Patent Office
Prior art keywords
mixture
weight
acid
mixture according
descaling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09005788A
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German (de)
English (en)
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EP2098587B1 (fr
Inventor
Uwe Dr. Gibbels
Katja Füser
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Brauns Heitmann GmbH and Co KG
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Brauns Heitmann GmbH and Co KG
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Publication of EP2098587A1 publication Critical patent/EP2098587A1/fr
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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/265—Carboxylic acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions

Definitions

  • the present invention relates to a mixture for descaling, cleaning and / or disinfecting and their use.
  • a citric acid-containing cleaning agent which is particularly suitable for cleaning calcified, vertical surfaces, is in the DE 43 11 713 C1 disclosed.
  • the detergent disclosed therein comprises 10-35% citric or tartaric acid as well as glycerol, ethylene glycol, propylene glycol or polyethylene glycol 300-400.
  • the cleaning and descaling agent disclosed therein comprises at least one mineral acid and from 0.5 to 50% by weight of an alkoxylated amine in aqueous solution, wherein additionally an organic acid, an organic acid anhydride or a salt of an organic acid may be added to give a thickening effect of an ethoxylated or propoxylated tertiary amine.
  • an organic acid for example, citric acid or tartaric acid can be used.
  • decalcifiers based on citric acid are known on the market, which have amidosulfonic acid as a further additive. This is intended to speed up the descaling process.
  • EP 1 452 582 A1 discloses a cleaning composition containing sulfamic acid (amidosulfuric acid), 40% by weight of citric acid and 40% by weight of malic acid, wherein water is added as a solvent.
  • DE 103 33 905 A1 discloses a solid descaling agent which comprises at least one acid HX having a melting point of at least 40 ° C and at least one salt MA of one weak acid HA, wherein the weak acid HA has a melting point of less than 60 ° C and the agent reacts in 10% aqueous solution at 20 ° C acidic.
  • the acid HA a mixture of 24.5% by weight of sulfamic acid (sulfamic acid, amidosulfuric acid) and 55% by weight of citric acid or a mixture of 24.9% by weight of sulfamic acid and 33.2% by weight of malic acid and Be used 24.9 wt .-% maleic acid.
  • WO 93/09213 A1 discloses a non-toxic sanitary cleaner comprising an organic acid having a pH of less than 3, a chelate and a surfactant, wherein preferably the cleaner consists of 94% by weight of citric acid, 4% by weight of EDTA, 1% by weight.
  • a mixture for descaling, cleaning and / or disinfecting comprising at least about 25 wt .-%, based on the total amount of the mixture, citric acid, and about 0.1 to 75 wt .-%, based on the Total amount of mixture, an additive mixture comprising malic acid and tartaric acid.
  • weight percent As far as in the present invention of weight percent is mentioned, these always refer to the total amount of the mixture according to the invention.
  • the ingredients of the additive mixture are not included again in the mixture.
  • the mixture according to the invention has a synergistic effect in comparison with the use of pure citric acid on the one hand and malic acid or tartaric acid on the other hand with regard to the particular descaling performance.
  • descaling performances are already achieved after a single cleaning, which goes beyond the descaling performance of pure citric acid on the other hand, but also known rapid scorers, in addition to citric acid, amidosulfonic acid.
  • the mixture according to the invention shows a very rapid lime dissolution of limescale on surfaces, for example in coffee machines, kettles, water heaters, but also other surfaces, especially in sanitary facilities, in the kitchen area or in washing machines.
  • the additional mixture of the mixture according to the invention preferably comprises both malic acid and tartaric acid, preference being given to the weight ratio of malic acid to tartaric acid in a range from about 1: 6 to 6: 1, more preferably in a range from about 0.8: 1 to 4: 1 , even more preferably in a range from about 1: 1 to about 3.8: 1.
  • the additional mixture may in principle comprise malic acid, tartaric acid, but also other carboxylic acids such as lactic acid or maleic acid.
  • the inventors have found that when using malic acid and tartaric acid not expected improvements in the descaling performance of the mixture according to the invention can be determined are.
  • Particularly preferred are additional mixtures which contain malic acid in excess, based on the amount by weight, in comparison with tartaric acid.
  • the mixture according to the invention furthermore comprises in particular a buffering agent.
  • the buffering agent may be selected from buffering agents known in the art, and includes in particular inorganic and organic buffering agents.
  • buffering agents known in the art, and includes in particular inorganic and organic buffering agents.
  • sodium hydroxide and potassium hydroxide but especially phosphorus-containing compounds, mono- and polyvalent salts such as silicates, carbonates and borates, certain acids and bases, citrates, tartrates and certain acetates can be used as buffering agents.
  • Buffering agents are each known in the art to those skilled in the art, and they are suitable for the particular application, and especially with regard to the organic acids such as citric, malic and tartaric acids and other possible additives with regard to compatibility will choose with these.
  • Salts of organic acids having 1 to 6 carbon atoms, in particular trisodium citrate, are particularly preferred as buffering agents.
  • the buffering agent may preferably be present in the blend according to the invention in an amount of about 0.5-10% by weight, more preferably about 1.0 to about 5% by weight, even more preferably about 1.5 to about 4% by weight. % be used.
  • additives in the mixture according to the invention can also be included in the mixture according to the invention.
  • examples include, but are not limited to, surfactants, perfumes and perfumes, perfume carriers, optical brighteners, but also colorants such as dispersible pigments and dyes.
  • solvents both aqueous and anhydrous, such as alcohols, glycols and glycol ethers. These may be part of a liquid composition according to the invention comprising the mixture according to the invention.
  • the above-mentioned additives will also be selected by the person skilled in the art against the background of the other constituents of the mixture used with regard to complete compatibility with them and added in appropriate amounts if desired.
  • the mixture according to the invention comprises at least about 75% by weight, preferably with about 80% by weight of citric acid and at least about 3% by weight of the additional mixture.
  • the additional mixture comprises about 1 to about 30% by weight of malic acid and about 0.5 to about 10% by weight of tartaric acid, preferably about 2 to 10% by weight of malic acid and about 0.5 5% by weight of tartaric acid, more preferably about 5% to 9% by weight of malic acid and about 1% to 3% by weight of tartaric acid, the percentages by weight in each case being based on the entire mixture.
  • the additional mixture preferably comprises about 5% by weight to about 22% by weight, more preferably from about 10 to about 20% by weight of malic acid, and about 2% by weight to about 7 wt .-% tartaric acid, each based on the total amount of the mixture.
  • buffering agents may be included in this.
  • the mixture according to the invention comprises about 89 to about 96% by weight of citric acid and about 4 to about 11% by weight of the additional mixture, consisting of about 3 to about 9% by weight of malic acid and about 1 to about 7% by weight of tartaric acid. More preferably, the above-defined mixture according to the invention comprises 0.5-5% by weight of buffering agent, more preferably about 2% by weight to about 4% by weight of buffering agent, preferably trisodium citrate.
  • the mixture according to the invention is water-soluble, but also other non-aqueous solvents such as alcohols, glycols, etc., or mixtures of these can be used, in particular if it is desired to use the mixture according to the invention for cleaning oblique or vertical surfaces.
  • solubilizers may still be added.
  • the preparation of a water-soluble mixture can be carried out simply by mixing in accordance with predetermined amounts of the mixture according to the invention with water, preferably deionized water, in particular with stirring.
  • the concentration of a solution of the mixture according to the invention is in a range of about 10 g / l to about 150 g / l, wherein the aforementioned numerical values mean that, for example, 10 g of the mixture according to the invention are dissolved in one liter of solvent, in particular water.
  • the inventors have found that certain concentration ranges of the mixture according to the invention in aqueous solution are particularly advantageous.
  • areas can be found which have a maximum lime dissolving power demonstrate.
  • an additional mixture used is one in which the weight ratio of malic acid to tartaric acid is 1: 3, and if a concentration of the mixture according to the invention of 50 g / l of water is selected, the range is about 9% by weight of the additional mixture , But also in a range between 11 - 40 wt .-% of the additional mixture to determine a high Kallösetterich. If the concentration of the mixture according to the invention is increased to 100 g / l, the mixture according to the invention exhibits a particularly good laking power when the additional mixture is added in ranges of from about 6% by weight to 15% by weight and from about 20% by weight to about 30% by weight.
  • a particularly high level of leaching power can be found in a concentration of 20 g / l of the mixture according to the invention in water in a range from about 30% by weight to 70% by weight additional mixture
  • a particularly high level of lime-dissolving power is possible when the additional mixture is added in a range from about 10% by weight to 30% by weight, with a pronounced maximum between 18% by weight and about 22% by weight.
  • concentration is further increased to 100 g of said mixture per liter of water, so on the one hand in a range of about 6 wt .-% to 14 wt .-% and on the other hand in a range of about 25 wt .-% to about 45 wt .-% addition of the additional mixture a particularly high lime dissolving power can be found.
  • the additional mixture is chosen such that the additional mixture has a weight ratio of malic acid to tartaric acid of about 3: 1, then at a concentration of 50 g of the mixture per liter of water a particularly high level of lime-dissolving capacity in ranges of about 4% by weight to about 10 wt .-% or about 20 wt .-% to about 35 wt .-% of the additional mixture obtained, with a further increase in the concentration of the mixture according to the invention to 100 g per liter of water, the range of very good Kalklös ashameds with the addition of about 4 Wt .-% to about 20 wt .-% and about 45 wt .-% to about 75 wt .-% additional mixture is detectable.
  • composition of the mixture according to the invention show that with regard to the provision of a mixture which is as economical as possible, in particular pulverulent, the additive mixture is present in an amount in a range from about 3% by weight to about 25% by weight in the should be included, wherein preferred here the weight ratio of tartaric and tartaric acid should be selected in a range of from about 0.8: 1 to about 4: 1.
  • the present invention relates not only to a particular pulverulent mixture but also to a liquid composition comprising the mixture according to the invention and at least one solvent.
  • the solvent is preferably water, but it is also possible to use anhydrous solvents or aqueous solutions which, in addition to water, contain other solvents.
  • the concentration of the mixture according to the invention is selected in a range from about 10 g to about 150 g per liter of solvent or solvent mixture.
  • the pulverulent mixture according to the invention will preferably be used, which is simply introduced into the kettle or the filling shaft of the washing machine and subsequently the container filled with water or the washing machine in a conventional washing program, preferably in a program with temperatures of more than 30 ° C, filled or operated to achieve a decalcification.
  • the decalcification processes are repeatable even with very stubborn and fixed lime.
  • the liquid composition according to the invention preferably has a pH in the range from about 1 to about 4, more preferably in a range from about 1.5 to about 3.5, before use. After performing descaling, the pH may be somewhat below the above values, but will preferably be at least 1.5.
  • the present invention relates to the use of a powdery mixture according to the invention and a liquid composition according to the invention for the decalcification, cleaning and / or disinfecting of surfaces.
  • Surfaces in the context of the present invention are to be understood very broadly, and also include surfaces of appliances or appliance parts, such as coffee machines, kettles, washing machines or the like.
  • the mixture and composition according to the invention is suitable both for cleaning soft and hard surfaces.
  • Hard surfaces which can also be cleaned by the mixture and composition according to the invention, are those which are used in sanitary wipes or Kitchen surfaces such as work surfaces, tiles, tiles, porcelain stoneware or the like, but also surfaces of shower cubicles, baths and shower trays, sinks, bidets, toilets and other bathroom accessories such as shelves, curtains, shower doors, shower rods, etc. But also calcifications within vases or other vessels can be removed with the mixture and liquid composition according to the invention.
  • the invention is not limited to the blends and liquid compositions shown in the figures. Rather, the features disclosed in the description including the description of the figures and the further examples are those with mixtures and inventive Compositions, as these are based on the figures, concerning their characteristics combined.
  • Carrara marble slabs with a size of 10 x 20 cm were weighed and then placed on a perforated plate located in a 2 l beaker. Subsequently, aqueous compositions of certain concentrations were added to the beaker, the solution in the beaker heated to about 90 ° C and stirred at 750 U / min by means of a conventional magnetic stirrer. After 30 minutes, the marble plate was removed from the solution, rinsed under cold water and dried for one hour at 120 ° C in a drying oven to constant weight. Subsequently, their weight was determined, so that from the weight difference, a percentage weight loss can be determined. The higher the percentage determined, the better the laking properties. At least one duplicate determination has always been made.
  • the first mixture according to the invention comprised 92% by weight of citric acid, 6% by weight of malic acid and 2% by weight of tartaric acid (malic acid and tartaric acid purchased via Rewe Food Ingredients bottlesgesellschaft mbH, Cologne, Germany). Further, a second mixture was prepared containing 89% by weight of citric acid, 6% by weight of malic acid, 2% by weight of tartaric acid and 3% by weight of trisodium citrate as a buffering agent. These mixtures according to the invention are described in the Fig. 1 labeled "Express Descaler".
  • HMalic malic acid
  • HTartr tartaric acid
  • Na 3 Citr trisodium citrate the name Na 3 Citr chosen.
  • the buffer mixture contained mixture was dissolved in an amount of 15 g in 500 ml of tap water, whereas the buffer-free mixture on the one hand an amount of 15 g was dissolved in 300 ml of tap water, on the other hand in 500 ml of tap water.
  • Fig. 1 compared the descaling after a first run based on the complete descaling by a coffee machine calcified as described above in percent comparison.
  • Fig. 1 compared the descaling after a first run based on the complete descaling by a coffee machine calcified as described above in percent comparison.
  • Fig. 1 it can be seen, the descaling, measured on coffee machines in practical operation as described above, after a first pass for the inventive express descaling mixture or the corresponding liquid composition, in a concentration of 15 g of the mixture in 500 ml of tap water by far the highest, with a buffered express descaling mixture or liquid composition better descaling than that of the Prior art known and comparatively listed quick lime, but also in comparison to pure citric acid having. It is noteworthy that an increase in the concentration of the descaling agent does not lead to an increase in the descaling capacity, as can be seen from the example with a concentration of 15 g of the descaling mixture and 300 ml of tap water.
  • the descaling performance between the express descaling agent according to the invention and pure citric acid in a concentration of 15 g each in 500 ml tap water an approximately 50% higher descaling performance can be determined. If, however, the concentration is changed to 15 g dissolved in 300 ml of tap water, the express descaling agent according to the invention still has a higher descaling performance, but here the identifiable differences are not so great.
  • Fig. 3 now shows the descaling performance by the multiple cleaning of a calcified coffee machine with a solution of 15 g of citric acid in 300 ml of tap water
  • Fig. 5 with a solution of 15 g of citric acid in 500 ml of tap water.
  • the contents of the determined calcium and the determined magnesium are plotted on the left and right Y-axis.
  • Fig. 4 and Fig. 6 show a corresponding diagram relating to the descaling performance of a mixture according to the invention or aqueous composition of the express descaling agent in a concentration of 15 g in 300 ml and 500 ml of tap water. From the comparison of Fig. 3 and 4 respectively Fig. 5 and Fig.
  • the inventive express decalcifier a better decalcifying performance.
  • the descaling process is substantially complete, whereas in the comparative example, in particular the magnesium content by subsequent descaling until the eighth descaling further increased.
  • Fig. 2 Finally, there is an overview of the dependence of the lime dissolving power of citric acid-containing mixtures, to which an additional mixture of malic acid and tartaric acid in different proportions by weight has been added.
  • a concentration of 50 g of the respective mixture or pure citric acid based on 500 ml of tap water, is how Fig. 2 it can be seen, a higher lime dissolving power, determined on marble slabs according to the method described above, compared to solutions of 25 g in 500 ml of tap water or to determine only 10 g in 500 ml of tap water.
  • concentrations of the aqueous solutions of 50 g in 500 ml of water pronounced maxima appear.
  • a weight proportion of malic acid to tartaric acid of 3: 1 is selected under otherwise constant conditions, then a first small maximum in a range from about 6 to about 10% by weight of the additional mixture, which also in the proportions by weight of malic acid to tartaric acid from 1: 3 and 1: 1 was in evidence, and incidentally, a very wide maximum in a range of about 45 wt .-% to about 75 wt .-% of the additional mixture determine.
  • Fig. 2 clearly shows that certain weight percent ranges of the additional mixture have a decisive influence on the laking properties of the mixture or liquid composition according to the invention, and that in addition to the principle that increasing the concentration always leads to higher leaching properties, also the weight proportion of malic acid to tartaric acid of decisive influence is.
  • Even with these small additional amounts of additional mixture is a significant improvement in the calcifying power compared to pure citric acid found.
  • mixtures of citric acid with the addition of an additional mixture in a range from about 3% by weight to about 25% by weight are therefore generally suitable Also varying proportions by weight of malic acid to tartaric optimal.
  • Liquid compositions according to the present invention may in particular also be present in the form of concentrates, in which case the user dilution with ideally deionized water, but also ordinary tap water to the desired concentrations, in particular concentration ranges from about 20 g to about 100 g in one liter of water , more preferably about 22 g to about 50 g in one liter of water, make.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
EP09005788A 2007-09-21 2008-09-16 Mélange de décalquage, de nettoyage et/ou de désinfection Active EP2098587B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007045210A DE102007045210A1 (de) 2007-09-21 2007-09-21 Mischung zum Entkalken, Reinigen und/oder Desinfizieren
EP08016320A EP2039750B1 (fr) 2007-09-21 2008-09-16 Mélange de décalquage, de nettoyage et/ou de désinfection

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP08016320A Division EP2039750B1 (fr) 2007-09-21 2008-09-16 Mélange de décalquage, de nettoyage et/ou de désinfection
EP08016320.7 Division 2008-09-16

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EP2098587A1 true EP2098587A1 (fr) 2009-09-09
EP2098587B1 EP2098587B1 (fr) 2011-07-20

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EP09005788A Active EP2098587B1 (fr) 2007-09-21 2008-09-16 Mélange de décalquage, de nettoyage et/ou de désinfection
EP08016320A Active EP2039750B1 (fr) 2007-09-21 2008-09-16 Mélange de décalquage, de nettoyage et/ou de désinfection

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AT (2) ATE488566T1 (fr)
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Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
DE102012014268B4 (de) * 2012-07-19 2014-02-20 Brauns-Heitmann Gmbh & Co. Kg Vorrichtung zur Reinigung und/oder Entkalkung zur Verwendung in Geschirrspül- oder Waschmaschinen
ES2724850T3 (es) 2012-11-14 2019-09-16 Zyfoma Gmbh Elemento de tratamiento para el uso con una parte de un implante dental, sistema de tratamiento y procedimiento para la limpieza de una parte de un implante dental
DE102013201883A1 (de) * 2013-02-05 2014-08-07 Urs Brodbeck Behandlungsflüssigkeit zur Reinigung eines Implantat-Teils
ITMI20130697A1 (it) * 2013-04-29 2014-10-30 Fem2 Ambiente S R L Prodotto detergente ecosostenibile a base di acido citrico
DE102014000212B4 (de) * 2014-01-14 2018-03-22 Brauns-Heitmann Gmbh & Co. Kg Pulverförmige Zusammensetzung zur Reinigung von Geräten und Maschinen
DE102016108268A1 (de) * 2016-05-04 2017-11-09 Miele & Cie. Kg Verfahren und Vorrichtung zum Entkalken eines betriebsbereiten Kühlkreislaufs für eine betriebsbereite Vakuumpumpe für einen betriebsbereiten Sterilisator und Sterilisator
DE102021002147A1 (de) 2021-04-23 2022-10-27 Thomas Meneghini Desinfektionsmittel und dessen Verwendung
JP2024519516A (ja) 2021-04-23 2024-05-15 トーマス メネギニ 消毒剤及びその使用

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WO1993009213A1 (fr) * 1991-11-07 1993-05-13 Gycor International Ltd. Agent de nettoyage et d'assainissement non toxique
DE4311713C1 (de) * 1993-04-08 1994-05-05 Dorothee Roesling Verfahren zur Herstellung eines Reinigers für verkalkte senkrechte Flächen aus Glas, Plexiglas oder Fliesen
DE4430766A1 (de) * 1994-08-30 1996-03-07 Sbf Wasser Und Umwelt Zweignie Reiniger für wassertechnische Anlagen
FR2735788A1 (fr) * 1995-06-23 1996-12-27 Francais Prod Ind Cfpi Composition aqueuse detergente acide a taux reduit ou nul d'acide phosphorique et son utilisation dans l'industrie agro-alimentaire
EP1061123A1 (fr) * 1999-05-28 2000-12-20 Unilever Plc Procédé et compositions pour le nettoyage de lave-vaisselles
WO2001064035A2 (fr) * 2000-02-28 2001-09-07 The Procter & Gamble Company Compositions acides antimicrobienne utilisees dans le traitement des aliments, surfaces en contact avec des aliments, et procedes d'utilisation
EP1452582A1 (fr) * 2001-11-09 2004-09-01 Jiro Sakurai Detergent pour produit metallique
DE10333905A1 (de) * 2003-07-24 2005-02-24 Buck-Chemie Gmbh Festes Entkalkungsmittel
US20060118141A1 (en) * 2004-12-08 2006-06-08 The Procter & Gamble Company Method of cleaning a washing machine or a dishwasher

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Publication number Priority date Publication date Assignee Title
WO1993009213A1 (fr) * 1991-11-07 1993-05-13 Gycor International Ltd. Agent de nettoyage et d'assainissement non toxique
DE4311713C1 (de) * 1993-04-08 1994-05-05 Dorothee Roesling Verfahren zur Herstellung eines Reinigers für verkalkte senkrechte Flächen aus Glas, Plexiglas oder Fliesen
DE4430766A1 (de) * 1994-08-30 1996-03-07 Sbf Wasser Und Umwelt Zweignie Reiniger für wassertechnische Anlagen
FR2735788A1 (fr) * 1995-06-23 1996-12-27 Francais Prod Ind Cfpi Composition aqueuse detergente acide a taux reduit ou nul d'acide phosphorique et son utilisation dans l'industrie agro-alimentaire
EP1061123A1 (fr) * 1999-05-28 2000-12-20 Unilever Plc Procédé et compositions pour le nettoyage de lave-vaisselles
WO2001064035A2 (fr) * 2000-02-28 2001-09-07 The Procter & Gamble Company Compositions acides antimicrobienne utilisees dans le traitement des aliments, surfaces en contact avec des aliments, et procedes d'utilisation
EP1452582A1 (fr) * 2001-11-09 2004-09-01 Jiro Sakurai Detergent pour produit metallique
DE10333905A1 (de) * 2003-07-24 2005-02-24 Buck-Chemie Gmbh Festes Entkalkungsmittel
US20060118141A1 (en) * 2004-12-08 2006-06-08 The Procter & Gamble Company Method of cleaning a washing machine or a dishwasher

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Publication number Publication date
EP2098587B1 (fr) 2011-07-20
ATE517169T1 (de) 2011-08-15
DE502008001810D1 (de) 2010-12-30
EP2039750B1 (fr) 2010-11-17
ATE488566T1 (de) 2010-12-15
DE102007045210A1 (de) 2009-04-02
EP2039750A1 (fr) 2009-03-25

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