EP0900266B1 - Verfahren zur herstellung von kompaktreinigern für gewerbliche geschirrspülmaschinen - Google Patents

Verfahren zur herstellung von kompaktreinigern für gewerbliche geschirrspülmaschinen Download PDF

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Publication number
EP0900266B1
EP0900266B1 EP97920726A EP97920726A EP0900266B1 EP 0900266 B1 EP0900266 B1 EP 0900266B1 EP 97920726 A EP97920726 A EP 97920726A EP 97920726 A EP97920726 A EP 97920726A EP 0900266 B1 EP0900266 B1 EP 0900266B1
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EP
European Patent Office
Prior art keywords
alkali metal
weight
formula
metal hydroxide
solid
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.)
Expired - Lifetime
Application number
EP97920726A
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German (de)
English (en)
French (fr)
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EP0900266A1 (de
Inventor
Dieter Hemm
Günter Hellmann
Klaus Wilbert
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Ecolab GmbH and Co OHG
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Ecolab GmbH and Co OHG
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Publication of EP0900266A1 publication Critical patent/EP0900266A1/de
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Classifications

    • 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
    • C11D7/32—Organic compounds containing nitrogen
    • C11D7/3245—Aminoacids
    • 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/006—Detergents in the form of bars or tablets containing mainly surfactants, but no builders, e.g. syndet bar
    • 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • C11D17/0073—Tablets
    • C11D17/0091—Dishwashing tablets
    • 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
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/06—Hydroxides
    • 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
    • C11D7/261—Alcohols; Phenols
    • 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
    • C11D7/263—Ethers
    • 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
    • C11D7/32—Organic compounds containing nitrogen
    • C11D7/3218—Alkanolamines or alkanolimines
    • 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
    • C11D7/32—Organic compounds containing nitrogen
    • C11D7/3227—Ethers thereof

Definitions

  • the present invention relates to a method for the control of water-based cleaning agents variable strength based on alkali hydroxide.
  • the cleaning agents contain glycol, glycol derivatives with a firm consistency and / or certain alkanolamines and alkali hydroxide in solid form.
  • Highly alkaline cleaning agents are in a wide variety of forms commercially available, e.g. B. as a powder, as granules, as a liquid, as Melting block or as a tablet made by compression.
  • Granules or liquids have proven to be useful for machine cleaning hard surfaces, e.g. B. machine cleaning of dishes, in addition to powders, Granules or liquids increasingly also produced by pressing Tablets or obtained by melting and then cooling block-shaped cleaners (melting blocks) can be used. Tablets and Melting blocks offer the advantage of precise and precise compared to powders simple dosing, do not dust and are easy to handle.
  • a high degree of homogeneity of the cleaners obtained is also particularly desirable but is often difficult to achieve with solid cleaners. This problem occurs with liquid cleaners that can be easily stirred less. He wishes would be the homogeneity of a liquid, a viscous liquid or a stirrable paste, which can then be variably controlled into a solid Rigidity solidifies to its advantages in storage and storage at this stage Use transport and dosage. It would be particularly desirable if the stirrability at temperatures up to about 40 ° C would be maintained, then less temperature-stable components could also be added
  • the object of the present invention is to provide a process for producing highly alkaline, on alkali metal hydroxide, preferably potassium or sodium hydroxide, particularly preferably sodium hydroxide based cleaning agent of a general kind for textile surfaces, preferably but those for cleaning hard surfaces, e.g. B. dishes, and in particular cleaning agents for the commercial cleaning of dishes to provide the benefits of powders and liquids on the one hand and the On the other hand, combine the advantages of tablets and melting blocks.
  • the cleaning agents must also be provided at the same time Requirements such as good cleaning power, degreasing power, etc. are met.
  • US Pat. No. 3,607,764 describes glass cleaning agents in solid form, which are diluted into a sprayable solution. These funds include Sodium or potassium hydroxide, sodium or potassium tripolyphosphate, sodium or Potassium pyrophosphate, hydroxycarboxylic acid builder, a water soluble nonionic surfactant, alkylene glycol ether and optionally sodium carbonate. A control of the viscosity or the strength in the sense of the present Invention is not described.
  • Japanese patent specification JA-A-84/182870 describes solutions of alkali metal hydroxides in glycols or alcohols, which are neutralized with long-chain Carboxylic acids become viscous and a silicone oil is added get pasty consistency, making them used as pastes in leather greasing can be.
  • Japanese patent specification JA-A-86/296098 describes anhydrous solid cleaning agents based on alkali hydroxides.
  • a technical lesson on the variable reduction in strength is not described.
  • WO-A-95/07976 describes a cleaning agent in tablet form which is particularly suitable for use in commercial dishwashers.
  • this agent contains the following Components: 40 to 70% alkali metal hydroxide, 20 to 60% sequestering agent, in particular a mixture of sodium tripolyphosphate and sodium tripolyphosphate hexahydrate, 1 to 4% water-soluble polyacrylic acid with a Molecular weight between 2,000 and 20,000, 0.5 to 5% non-ionic surfactant based of EO / PO block copolymers, 1 to 4% propylene glycol, 2.5 to 10% water of hydration and a total of 2 to 6% liquid components.
  • soda, silicates and bleaches containing active chlorine are possible.
  • the aqueous Alkali metal hydroxide solution is a 42 to 55% strength by weight potassium or sodium hydroxide solution, preferably sodium hydroxide solution is used.
  • the aqueous Alkali metal hydroxide solution preferably in an amount of 35 to 55% by weight, based on the detergent used.
  • Preferred compounds of the formula I are ethylene glycol, 1,2-propylene glycol, Butyl glycol or butyl diglycol and as compounds of the formula II preferably ethanolamine, diethanolamine or triethanolamine used. in this connection it is particularly preferred as the compound of formula I 1,2-propylene glycol and / or use diethanolamine as a compound of formula II.
  • the Compounds of the formulas I and / or II are preferably used in one Total amount of 1 to 10 wt .-%, based on the detergent, used.
  • a solid Alkali metal hydroxide potassium or sodium hydroxide preferably sodium hydroxide
  • the solid alkali metal hydroxide is preferably in one Amount of 2 to 35 wt .-%, based on the detergent, added.
  • the solid cleaning agent produced according to the invention achieves in one Penetration test according to ISO 2137 at 20 ° C values up to 25 mm, preferably between 0.1 and 25 mm.
  • ISO 2137 describes, as also mentioned in the examples, penetration measurements with calibrated metal cylinders whose penetration depths are measured become. The test can still be carried out if the one used there narrowest metal cylinder can still penetrate the substance to be tested. Without The invention is intended to be limited to some comparable consistencies are described, which describe the variably variable strength.
  • cleaning agents produced in accordance with the invention cannot at 20 ° C.-40 ° C. a container, e.g. B. an inverted open glass.
  • a container e.g. B. an inverted open glass.
  • the consistency according to the invention can also take the form of, for example Express cut resistance. Many of the cleaning agents made according to the invention are can still be molded during processing and storage.
  • the decisive factor for achieving the desired consistency is the one according to the invention Coordination of all ingredients and characteristics.
  • composition of the substance is selected according to the invention
  • solid alkali hydroxide preferably potassium or Sodium hydroxide, particularly preferably sodium hydroxide, necessary to achieve the to achieve the desired solidifying effect in aqueous sodium hydroxide solution.
  • alkali solution preferably potassium and sodium hydroxide solution, particularly preferably sodium hydroxide solution alone for the desired controllable strength suffice.
  • the water content is also a critical parameter; it is between 10 and 35% by weight, advantageously between 20 and 30% by weight.
  • the pH of the invention is Detergent over 13.
  • the cleaning agents produced according to the invention can also be used in Combination with other agents can be used without the inventive variable strength is lost.
  • the cleaning agent works in this sense from alkali, preferably potassium and sodium hydroxide, particularly preferred Sodium hydroxide solution, substance I and / or II and solid alkali hydroxide, preferred Sodium hydroxide as a carrier phase for other ingredients commonly found in cleaners.
  • the cleaning agents can therefore also contain a builder substance an amount of up to 50 wt .-%, preferably 15 to 40 wt .-%, contain.
  • the builder substance contained in the cleaning agents produced according to the invention can in principle any substance that is considered in the broadest sense of the art for Detergent and cleaning agent suitable builder is known, preferably water-soluble builder substances used.
  • alkali phosphates in the form of their sodium or Potassium salts can be in question.
  • examples for this are: Tetrasodium diphosphate, pentasodium triphosphate, so-called sodium hexametaphosphate as well as the corresponding potassium salts or mixtures of sodium hexametaphosphate as well as the corresponding potassium salts or mixtures from sodium and potassium salts.
  • complexing agents are to be mentioned, such as. B. nitrilotriacetate or ethylenediaminetetraacetate. Soda and borax also count within the scope of the present Invention to builder substances.
  • water-soluble builder components are, for example, organic Polymers of native or synthetic origin, especially polycarboxylates.
  • Commercial products are e.g. B. Sokalan® CP 5 and PA 30 from BASF, Alcosperse® 175 and 177 from Alco, LMW® 45 N and SPO2 ND from Norsohaas.
  • Suitable native polymers include, for example, oxidized starch (e.g. DE 42 28 786) and polyamino acids such as polyglutamic acid or polyaspartic acid, z. B. from Cygnus, Bayer, Rohm & Haas, Rhône-Poulenc or SRCHEM.
  • hydroxycarboxylic acids such as B. mono-, dihydroxy-succinic acid, ⁇ -hydroxypropionic acid, Citric acid, gluconic acid and their salts. Citrates are preferred in Form of trisodium citrate dihydrate used.
  • Amorphous metasilicates or layered silicates can also be mentioned as builder substances.
  • Crystalline layered silicates are also suitable builders, provided they are sufficiently stable to alkali; Crystalline layered silicates are sold by Hoechst AG (Germany) under the trade name Na-SKS, e.g. B.
  • Na-SKS-1 Na 2 Si 22 O 45 .xH 2 O, Kenyaite
  • Na-SKS-2 Na 2 Si 14 O 29 .xH 2 O, magadiite
  • Na-SKS-3 Na 2 Si 8 O 17 .xH 2 O
  • Na-SKS-4 Na 2 Si 4 O 9 .xH 2 O
  • makatite Na-SKS-5 ( ⁇ -Na 2 Si 2 O 5 )
  • Na-SKS -7 ⁇ -Na 2 Si 2 O 5 , natrosilite
  • Na-SKS-11 ⁇ -Na 2 Si 2 O 5
  • Na-SKS-6 ⁇ -Na 2 Si 2 O 5 ).
  • Particularly preferred builder substances are those selected from the group Pentasodium triphosphate, trisodium citrate, nitrilotriacetate, ethylenediaminetetraacetate, soda, alkali metasilicate or their mixtures.
  • Bleaches customary in detergents can also be used in those produced according to the invention Means be included. These can be from the group of bleaches Oxygen base, such as B sodium perborate also in the form of its hydrates, or Sodium percarbonate, or from the group of chlorine-based bleaches, such as N-chloro-p-toluenesulfonamide, Trichloroisocyanuric acid, alkali dichloroisocyanurate, Alkali hypochlorites, and alkali hypochlorite releasing agents, particularly alkali-stable bleaching compositions are preferred. Both can be alkali-stable substances, or by suitable methods such as components stabilized by surface coating or passivation.
  • Oxygen base such as B sodium perborate also in the form of its hydrates, or Sodium percarbonate
  • chlorine-based bleaches such as N-chloro-p-toluenesulfonamide, Trichloroisocyanuric acid, alkali dich
  • Low-foaming surfactants can also be present in an amount of up to 10% by weight, preferably up to 5% by weight.
  • Extremely low-foam connections are usually used. These preferably include C 12 -C 18 alkyl polyethylene glycol polypropylene glycol ethers, each with up to 8 moles of ethylene oxide and propylene oxide units in the molecule. But you can also use other non-foaming non-foaming surfactants, such as. B. C 12 -C 18 alkyl polyethylene glycol-polybutylene glycol ether, each with up to 8 moles of ethylene oxide and butylene oxide units in the molecule and end-capped alkyl polyalkylene glycol mixed ether. It should be emphasized in particular that the cleaning agents produced according to the invention solve the problem even without the addition of these ingredients. But they support cleaning.
  • cleaners produced according to the invention are defoamers. These can be used if a chosen surfactant is under under the given circumstances foams too strongly, or acts as a foam suppressant foaming leftovers in the dishwasher. Also Packaging agents such as paraffin oil can be included, although the Properties according to the invention are retained even without their addition.
  • Optional ingredients are other common detergent ingredients, such as B. dyes or alkali-stable perfume substances.
  • abrasive ingredients can be present, preferably however, the cleaning agents produced according to the invention are free of them.
  • thickeners such as B. swellable layered silicates from Montmorillonite type, bentonite, kaolin, talc or carboxymethyl cellulose optional Can be used to vary the strength, they are to be achieved the desired controllable solids properties and the consistency of the Cleaning agents produced according to the invention are not required, d. H. on such Thickeners can be omitted.
  • Another object of the invention results from the strengthening effect of Compounds of the formulas I and II in combination with solid alkali metal hydroxide, preferably potassium or sodium hydroxide, particularly preferably sodium hydroxide over alkali, preferably potash and sodium hydroxide, particularly preferred Sodium hydroxide solution.
  • solid alkali metal hydroxide preferably potassium or sodium hydroxide, particularly preferably sodium hydroxide over alkali, preferably potash and sodium hydroxide, particularly preferred Sodium hydroxide solution.
  • the method is characterized in that one NaOH solution with stirring a compound of formula I and / or Adds compound of formula II and thus receives a paste-like preparation that a solid is then added, which is selected from the group of Alkali hydroxides, preferably potassium or sodium hydroxide, particularly preferably 0.1 to 35% by weight of sodium hydroxide or a mixture of these substances, and which is added in order to achieve a controllably variable strength.
  • at 20 ° C to 50 ° C is preferred at 30 to 48 ° C carried out particularly preferably at 38-42 ° C.
  • the NaOH content in the aqueous solution is also more than 55% by weight be. Accordingly, the NaOH content can be at lower temperatures are also below 42% by weight.
  • the restriction to 42 to 55% by weight NaOH solutions is therefore essentially limited to temperatures from 20 ° C to 25 ° C.
  • a particular advantage of the invention is that the stirrability and thus associated advantages is already given at room temperature.
  • a greatly increased viscosity of the thickened alkali solution preferably potassium and Sodium hydroxide solution, particularly preferably sodium hydroxide solution
  • the consistency according to the invention can, however almost all cases below 42 ° C, preferably between 38 ° C and 42 ° C realized be, so that less temperature-stable components, such as chlorine-containing bleaching agents incorporated into the cleaning agents produced according to the invention can be.
  • the thickened preparation should contain builder substances, these can also from the outset in the alkali lye to be thickened, preferably potash and Sodium hydroxide solution, particularly preferably sodium hydroxide solution, may be included.
  • the builders of the already thickened are increased Temperatures pasty preparation from alkali, preferably potash and Sodium hydroxide solution, particularly preferably sodium hydroxide solution, formula I and / or formula II, and mixed with solid NaOH.
  • Other optional ingredients are also included preferably the already thickened, pasty at elevated temperatures Preparation from alkali solution, preferably potassium and sodium hydroxide solution, particularly preferred Sodium hydroxide solution, formula I and / or formula II, and solid NaOH added.
  • the cleaning agents produced according to the invention can be used for cleaning Find surfaces, preferably for commercial or private use automatic washing of dishes.
  • the use of the solid detergents produced according to the invention can, for. B. in the Way that in a container (capacity e.g. 0.5 to 10 kg) Any cleaning agent of controllable strength is sprayed with water and the detergent thus released is used, e.g. B. in a Dishwasher is metered.
  • a container capacity e.g. 0.5 to 10 kg
  • Any cleaning agent of controllable strength is sprayed with water and the detergent thus released is used, e.g. B. in a Dishwasher is metered.
  • a Dishwasher is metered.
  • Henkel Hygiene GmbH sold under the name Topmater® P40 Dosing device or a V / VT-2000 solid dosing device sold by Henkel Ecolab on.
  • the cleaning agent can be produced, for example, in a stirred tank at 20 to 50 ° C, preferably at 30 to 48 ° C, particularly preferably at 38 - 42 ° C respectively. Then the detergent can be at approx. 40 ° C in the Sales containers are filled and to about 20 ° C via a cooling tunnel Achievement of the consistency according to the invention can be cooled.
  • Some of the cleaning agents produced according to the invention harden over time was determined by time-dependent measurements and by the respective Composition of the mixtures is greatly influenced. This leads to Part of mixtures in which after a long period of several days and Weeks in the penetrometer test according to ISO 2137 no more penetration of the cone can be observed. Therefore, the details of the penetration depth refer to the time immediately after or less hours and days after production.
  • Detergents (1 kg each) of the following compositions 1 made to 8. 50% aqueous alkali was placed in a 2 liter beaker submitted. While stirring with a propeller stirrer (100 U / m) was 1,2-propylene glycol at 40 ° C. added and after the addition is complete for 5 minutes stirred, then sodium hydroxide was added as a solid alkali hydroxide. If necessary, further solid substances (builder) were subsequently added Stirring added; after the addition was complete, stirring was continued for 5 minutes.
  • the penetration measurements according to ISO 2137 were carried out with a standard cone at room temperature (22 ° C), about 5 hours, 24 hours and 48 hours after the production of the cleaning agents. The values given are mean values from 3 measurements. Because undissolved in the pasty cleaning agents Components of different grain sizes can vary of the measured values of approx. ⁇ 20% possible.
  • B1 B2 B3 B4 B5 B6 B7 B8 caustic soda potassium hydroxide MeOH (50% aq) 57.5 53 53 53 53 53 39.5 39.5 39.5 1,2 propylene glycol 6 5.5 5.5 5.5 5.5 4 - - Parrafin SIK 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 NaOH (solid) 10 15 15 - 15 30 30 30 Nitrilotriacetic acid 92% 25 25 - 25 25 25 25 25 - Penetration depth (mm) 5 hours 5.5 2.7 8.3 26.8 2.9 0 0 0 Penetration depth (mm) 24 hours 4.5 2.0 7.0 19.7 2.4 0 0 0 Depth of penetration (mm) 48 hours 3.2 1.8 7.2 17.8 2.9 0 0 0 0
  • Example B3 shows, compared to B2, the influence of the optional additives Builder. Adding these substances leads to an increase in strength, but the consistency according to the invention can also be achieved without a builder.
  • example B4 the influence of the solid alkali hydroxide is compared to example B2 Illuminated more precisely: addition of solid sodium hydroxide leads to a desired consolidation.
  • Cleaning agents not obtained according to the invention were produced without the addition of a compound of the formula I or formula II as described above for the cleaning agents prepared according to the invention, but without the addition of a compound of the formula I or formula II or without the addition of solid NaOH.
  • V1 V2 V3 V4 V5 V6 caustic soda 20 25 30 35 90 80 propylene glycol - - - - 10 20 Parrafin SIK - - - - - - - Soda calc.
  • V1 does not produce a homogeneous cleaning agent, but rather a moist, lumpy powder.
  • V2, V3 and V4 are subject to phase separation, ie separation of the aqueous phase, after only 1 day of storage at 25 ° C.
  • V5 and V6 show in particular the great advantage of adding solid alkali hydroxide, since a consistency according to the invention can only be obtained using large amounts of glycols, and variability when solidifying is at least severely restricted.

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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)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
EP97920726A 1996-04-30 1997-04-21 Verfahren zur herstellung von kompaktreinigern für gewerbliche geschirrspülmaschinen Expired - Lifetime EP0900266B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19617215A DE19617215A1 (de) 1996-04-30 1996-04-30 Kompaktreiniger für gewerbliche Geschirrspülmaschinen
DE19617215 1996-04-30
PCT/EP1997/001990 WO1997041203A1 (de) 1996-04-30 1997-04-21 Kompaktreiniger für gewerbliche geschirrspülmaschinen

Publications (2)

Publication Number Publication Date
EP0900266A1 EP0900266A1 (de) 1999-03-10
EP0900266B1 true EP0900266B1 (de) 2002-10-09

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US (1) US6180578B1 (no)
EP (1) EP0900266B1 (no)
JP (1) JP2000509093A (no)
CN (1) CN1217018A (no)
AU (1) AU726432B2 (no)
BR (1) BR9709746A (no)
CZ (1) CZ347898A3 (no)
DE (2) DE19617215A1 (no)
HU (1) HUP9901888A3 (no)
NO (1) NO984880L (no)
NZ (1) NZ332558A (no)
PL (1) PL329279A1 (no)
SK (1) SK147798A3 (no)
TR (1) TR199802165T2 (no)
WO (1) WO1997041203A1 (no)
ZA (1) ZA973706B (no)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2171030B1 (en) 2007-07-02 2016-02-17 Ecolab INC. Solidification matrix including a salt of a straight chain saturated mono-, di-, or tri- carboxylic acid
US11021383B2 (en) 2017-08-30 2021-06-01 Ecolab Usa Inc. Use of di-ionic compounds as corrosion inhibitors in a water system
US11058111B2 (en) 2018-08-29 2021-07-13 Ecolab Usa Inc. Use of multiple charged cationic compounds derived from primary amines or polyamines for microbial fouling control in a water system

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DE10002710A1 (de) * 2000-01-22 2001-08-02 Henkel Ecolab Gmbh & Co Ohg Herstellung cremeförmiger komplexbildnerhaltiger alkalisch-wäßriger Reinigungsmittel
US6740628B2 (en) * 2000-07-19 2004-05-25 The Procter & Gamble Company Cleaning composition
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DE10211184B4 (de) * 2002-03-14 2004-10-07 Henkel Kgaa Applikation von Hilfsmitteln und Zusatzstoffen für das maschinelle Geschirrspülen
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WO1997041203A1 (de) 1997-11-06
CZ347898A3 (cs) 1999-07-14
SK147798A3 (en) 1999-04-13
NO984880D0 (no) 1998-10-19
ZA973706B (en) 1997-10-30
NO984880L (no) 1998-10-19
US6180578B1 (en) 2001-01-30
EP0900266A1 (de) 1999-03-10
BR9709746A (pt) 1999-08-10
PL329279A1 (en) 1999-03-15
CN1217018A (zh) 1999-05-19
NZ332558A (en) 1999-09-29
HUP9901888A2 (hu) 1999-10-28
HUP9901888A3 (en) 1999-11-29
DE19617215A1 (de) 1997-11-06
DE59708442D1 (de) 2002-11-14
AU2700297A (en) 1997-11-19
JP2000509093A (ja) 2000-07-18
AU726432B2 (en) 2000-11-09

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