EP3080242B1 - Lessive liquide pour lave-vaisselle, exempte de phosphates - Google Patents

Lessive liquide pour lave-vaisselle, exempte de phosphates Download PDF

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Publication number
EP3080242B1
EP3080242B1 EP14814812.5A EP14814812A EP3080242B1 EP 3080242 B1 EP3080242 B1 EP 3080242B1 EP 14814812 A EP14814812 A EP 14814812A EP 3080242 B1 EP3080242 B1 EP 3080242B1
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EP
European Patent Office
Prior art keywords
acid
dishwashing detergent
composition
dishwashing
enzyme
Prior art date
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EP14814812.5A
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German (de)
English (en)
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EP3080242A1 (fr
Inventor
Nina Mussmann
Thomas Eiting
Noelle Wrubbel
Thorsten Bastigkeit
Hans Hartmut Janke
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
    • C11D17/043—Liquid or thixotropic (gel) compositions
    • 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
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
    • C11D17/045—Multi-compartment
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • 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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic acids-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
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids
    • 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
    • C11D3/16—Organic compounds
    • C11D3/36—Organic compounds containing phosphorus
    • C11D3/361—Phosphonates, phosphinates or phosphonites
    • 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
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
    • C11D3/38618—Protease or amylase in liquid compositions only
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces

Definitions

  • the present invention relates to a phosphate-free, liquid dishwashing detergent which exhibits improved stability and cleaning performance, in particular of enzyme-sensitive soiling, the use of this dishwashing detergent and a method for automatic dishwashing using this dishwashing detergent.
  • a dishwashing detergent requires alkalinity.
  • Many other dried-on food residues require enzymes, such as amylases and proteases.
  • alkalinity and enzymes together can not be stably formulated. That's how it describes WO 2007/025665 A2
  • Liquid dishwashing detergents also require special stabilizers to stabilize the enzymes. These include, inter alia, calcium salts and especially for proteases additionally polyols and / or boric acid.
  • the use of calcium salts to stabilize enzymes against the influence of builders based on amino acids or succinates is disclosed, for example, in International Patent Publication WO 2007/141527 A1 described.
  • GLDA glutamic diacetic acid
  • complexing agents are required to optimize the performance of the dishwashing detergent.
  • phosphonates such as, for example, 1-hydroxyethane- (1,1-diphosphonic acid) (HEDP)
  • HEDP 1-hydroxyethane- (1,1-diphosphonic acid
  • the GB 2 355 269 A describes such liquid detergent compositions containing both HEDP and enzymes and calcium chloride.
  • HEPP is formulated with a calcium salt in a phosphate-free formulation
  • calcium phosphonate may precipitate. This is undesirable on the one hand for aesthetic reasons, because the appearance of the product suffers from the white precipitates and, on the other hand, the enzyme performance is reduced by the loss of enzyme stabilizer.
  • the object of the present invention was therefore to provide a phosphate-free, liquid dishwashing detergent which overcomes the stated stability problems and has a good cleaning performance.
  • the phosphonate used as a complexing agent must be formulated spatially separated from enzymes and enzyme stabilizers, especially calcium salts.
  • At least one includes, but is not limited to, 1, 2, 3, 4, 5, 6 and more.
  • a dishwashing agent according to the invention in a machine dishwashing process, in particular the use for improving the cleaning performance of enzyme-sensitive soiling on dishes during its cleaning in an automatic dishwashing machine.
  • the present invention is also directed to a machine dishwashing process in which a dishwasher detergent according to the invention is used in particular for the purpose of improving the cleaning performance of enzyme-sensitive soiling.
  • Phosphate-free and “phosphonate-free” as used herein means that the subject composition is substantially free of phosphates or phosphonates, i. in particular phosphates or phosphonates in amounts less than 0.1 wt .-%, preferably less than 0.01 wt .-%, based on the composition A contains.
  • Calcium free means that the subject composition is substantially free of calcium salts, i. in particular calcium salts in amounts less than 0.1 wt .-%, preferably less than 0.07 wt .-%, more preferably less than 0.05 wt .-%, preferably less than 0.03 wt .-%, particularly preferably less than 0.01 wt .-%, based on the composition B contains.
  • Enzyme-free as used herein means that the subject composition is substantially free of enzymes, i. in particular enzymes or enzyme preparations or preparations in amounts of less than 0.1% by weight, preferably less than 0.05% by weight, preferably less than 0.01% by weight, in particular less than 0.001% by weight based on the composition B contains.
  • Liquid as used herein includes liquids and gels.
  • the term "spatially separated" with respect to the compositions as used herein means that the compositions can not come into contact with each other prior to use.
  • the dishwashing detergent is provided in a multi-compartment package, such as a bottle or pouch, in particular a two-chamber bottle or a two-chamber bag, the respective composition being separate from the other composition (s) in a separate chamber.
  • composition A contains at least one further enzyme.
  • Suitable enzymes include, but are not limited to, proteases, lipases, hemicellulases, particularly pectinases and / or mannanases, cellulases, perhydrolases or oxidoreductases, and preferably mixtures thereof.
  • Dishwashing agents according to the invention contain enzymes, including amylase, preferably in total amounts of from 1 ⁇ 10 -6 to 5% by weight, based on active protein.
  • the protein concentration can be determined by known methods, for example the BCA method or the biuret method.
  • proteases are among the most technically important enzymes of all. For detergents and dishwashing detergents, they are the longest established enzymes and contained in virtually all modern, powerful detergents and dishwashing detergents. They cause the degradation of protein-containing stains on the items to be cleaned. Of these, in turn, proteases of the subtilisin type (subtilases, subtilopeptidases, EC 3.4.21.62) are particularly important, which are due to the catalytically active amino acids serine proteases. They act as nonspecific endopeptidases and hydrolyze any acid amide linkages that are internal to peptides or proteins. Their pH optimum is usually in the clearly alkaline range.
  • Subtilases Subtilisin-like Proteases "by R. Siezen, pages 75-95 in”
  • Subtilisin enzymes edited by R. Bott and C. Betzel, New York, 1996
  • Subtilases are naturally produced by microorganisms.
  • subtilisins formed and secreted by Bacillus species are to be mentioned as the most important group within the subtilases.
  • subtilisin type proteases preferably used in washing and dishwashing detergents are the subtilisins BPN 'and Carlsberg, the protease PB92, the subtilisins 147 and 309, the protease from Bacillus lentus, in particular from Bacillus lentus DSM 5483, subtilisin DY and the the subtilases, but not the subtilisins in the narrower sense attributable enzyme thermitase, proteinase K and the proteases TW3 and TW7, as well as variants of said proteases, which have a relation to the parent protease modified amino acid sequence.
  • Proteases are selectively or randomly modified by methods known from the prior art and thus optimized, for example, for use in detergents and dishwashing detergents. These include point mutagenesis, deletion or insertion mutagenesis or fusion with other proteins or protein parts. Thus, correspondingly optimized variants are known for most proteases known from the prior art.
  • amylases which can be used according to the invention are the ⁇ -amylases from Bacillus licheniformis, B. amyloliquefaciens, B. stearothermophilus, Aspergillus niger and A. oryzae and the further developments of the aforementioned amylases which are improved for use in dishwashing detergents. Furthermore, for this purpose, the ⁇ -amylase from Bacillus sp. A 7-7 (DSM 12368) and the cyclodextrin glucanotransferase (CGTase) from B. agaradherens (DSM 9948).
  • lipases or cutinases are also usable according to the invention.
  • these include, for example, the lipases which are obtainable or further developed from Humicola lanuginosa (Thermomyces lanuginosus), in particular those having one or more of the following amino acid substitutions starting from said lipase in positions D96L, T213R and / or N233R, particularly preferably T213R and N233R.
  • Oxidoreductases for example oxidases, oxygenases, catalases, peroxidases, such as halo, chloro, bromo, lignin, glucose or manganese peroxidases, dioxygenases or laccases (phenol oxidases, polyphenol oxidases) can be used according to the invention to increase the bleaching effect.
  • a protein and / or enzyme may be particularly protected during storage against damage such as inactivation, denaturation or degradation, such as by physical influences, oxidation or proteolytic cleavage.
  • inhibition of proteolysis is particularly preferred, especially if the agents also contain proteases.
  • the dishwashing agents may contain, in addition to the calcium salts, further stabilizers, in particular polyols, in particular glycerol, propylene glycol and / or boron-containing compounds, such as boric acid and salts thereof.
  • Preferred boron-containing compounds are phenylboronic acid derivatives, in particular the phenylboronic acid derivative 4-formyl-phenylboronic acid (4-FPBA).
  • phenylboronic acid derivatives may also have further chemical modifications on the phenyl ring, in particular they may contain one or more methyl, amino, nitro, chloro, fluoro, bromo, hydroxyl, formyl, ethyl, acetyl, t-butyl, anisyl, benzyl, trifluoroacetyl, N-hydroxysuccinimide, t-butyloxycarbonyl, benzoyl, 4-methylbenzyl, thioanizyl, thiocresyl, benzyloxymethyl, 4-nitrophenyl, Benzyloxycarbonyl, 2-nitrobenzoyl, 2-nitrophenylsulphenyl, 4-toluenesulphonyl, pentafluorophenyl, diphenylmethyl, 2-chlorobenzyloxycarbonyl, 2,4,5-trichlorophenyl, 2-bromobenzyloxycarbonyl, 9-fluorenyl,
  • Cleaning-active proteases and amylases are generally not provided in the form of the pure protein but rather in the form of stabilized, storage and transportable preparations.
  • Such prefabricated preparations include, for example, the solid preparations obtained by granulation, extrusion or lyophilization or, especially in the case of liquid or gel-form detergents, solutions of the enzymes, advantageously as concentrated as possible, low in water and / or added with stabilizers or further auxiliaries.
  • the enzymes may be encapsulated for both the solid and liquid dosage forms, for example by spray-drying or extruding the enzyme solution together with a preferably natural polymer or in the form of capsules, for example those in which the enzymes are entrapped as in a solidified gel or in those of the core-shell type, in which an enzyme-containing core is coated with a water, air and / or chemical impermeable protective layer.
  • further active ingredients for example stabilizers, emulsifiers, pigments, bleaches or dyes, may additionally be applied.
  • Such capsules are applied by methods known per se, for example by shaking or rolling granulation or in fluid-bed processes.
  • such granules for example by applying polymeric film-forming agent, low in dust and storage stable due to the coating.
  • the enzyme protein forms only a fraction of the total weight of conventional enzyme preparations.
  • Protease and amylase preparations preferably used according to the invention contain between 0.1 and 40% by weight, preferably between 0.2 and 30% by weight, particularly preferably between 0.4 and 20% by weight and in particular between 0, 8 and 10 wt .-% of the enzyme protein.
  • dishwashing detergents which, based in each case on their total weight, contain 0.1 to 12% by weight, preferably 0.2 to 10% by weight and in particular 0.5 to 8% by weight, of enzyme preparations.
  • Water-soluble calcium salts useful as enzyme stabilizers include, but are not limited to, calcium chloride (CaCl 2 , calcium lactate or calcium acetate.) Also suitable are other salts of calcium with alpha-hydroxycarboxylic acids or alpha-amino acids.
  • the at least one calcium salt suitable for the stabilization of enzymes is contained in various embodiments in an amount of 0.05 to 2 wt .-%, in particular 0.1 to 0.6 wt .-%, based on composition A.
  • phosphonate it is generally possible to use all phosphonates which are suitable as complexing agents for dishwashing detergents.
  • the phosphonate compound used is preferably a hydroxyalkane and / or aminoalkane phosphonate.
  • hydroxyalkane phosphonates 1-hydroxyethane-1,1-diphosphonate (HEDP) is of particular importance.
  • Preferred aminoalkanephosphonates are ethylenediamine tetramethylenephosphonate (EDTMP), diethylenetriaminepentamethylenephosphonate (DTPMP) and their higher homologs.
  • Phosphonates are present in the compositions preferably in amounts of from 0.5 to 5% by weight, in particular in amounts of from 1 to 3% by weight, in each case based on the total weight of the composition B.
  • the dishwashing agents described herein are of a liquid nature and may, in particular, be present as homogeneous solutions or suspensions.
  • the dishwashing detergent is present in a pre-portioned form.
  • the automatic dishwashing detergent has several spatially separate compositions, making it possible, on the one hand, to separate incompatible ingredients from one another, and, on the other hand, to offer compositions in combination which are used at different times in the dishwasher.
  • the dishwashing agents preferably also contain builders and surfactants. Unless otherwise specified, the percentages by weight are based on the total weight of the total dishwashing detergent composition.
  • the builders which can be used include, in particular, carbonates, citrates, MGDA (methylglycinediacetic acid) or its salts, GLDA (glutamic acid-N, N-diacetic acid) or its salts, EDDS (ethylenediamine-N, N'-disuccinic acid) or its salts, organic cobuilders and silicates. Particularly preferred are GLDA (glutamic acid-N, N-diacetic acid) or salts thereof.
  • Particularly suitable organic co-builders are polycarboxylates / polycarboxylic acids, polymeric carboxylates, aspartic acid, polyacetals and dextrins.
  • Useful organic builders are, for example, the polycarboxylic acids which can be used in the form of the free acid and / or their sodium salts, polycarboxylic acids meaning those carboxylic acids which carry more than one acid function. These are, for example, citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), if such use is not objectionable for ecological reasons, and mixtures of these.
  • the free acids typically also have the property of an acidifying component and thus also serve to set a lower and milder pH of dishwashing detergents.
  • citric acid, succinic acid, glutaric acid, adipic acid, gluconic acid and any desired mixtures of these can be mentioned here.
  • dishwashing detergent compositions contain as builders citrate, for example sodium or potassium citrate.
  • Compositions containing from 1 to 15% by weight, preferably from 2 to 12% by weight of citrate are preferred according to the invention.
  • polymeric polycarboxylates for example the alkali metal salts of polyacrylic acid or polymethacrylic acid, for example those having a relative molecular mass of 500 to 70,000 g / mol.
  • Suitable polymers are, in particular, polyacrylates which preferably have a molecular weight of 2,000 to 20,000 g / mol. Because of their superior solubility, the short-chain polyacrylates, which have molar masses of from 2000 to 10000 g / mol, and particularly preferably from 3000 to 5000 g / mol, may again be preferred from this group.
  • the dishwashing detergents can also be builders of crystalline layered silicates of the general formula NaMSi x O 2x + 1 .yH 2 O, where M is sodium or hydrogen, x is a number from 1.9 to 22, preferably from 1.9 to 4, where Particularly preferred values for x are 2, 3 or 4, and y is a number from 0 to 33, preferably from 0 to 20. It is also possible to use amorphous sodium silicates with a Na 2 O: SiO 2 modulus of from 1: 2 to 1: 3.3, preferably from 1: 2 to 1: 2.8 and in particular from 1: 2 to 1: 2.6, which preferably delayed release and have secondary washing properties.
  • the content of silicates based on the total weight of the dishwashing detergent, to amounts below 10 wt .-%, preferably below 5 wt .-% and especially limited below 2 wt .-%.
  • Particularly preferred dishwashing detergents are silicate-free.
  • the dishwashing compositions of the invention may further comprise a sulfopolymer.
  • the proportion by weight of the sulfopolymer in the total weight of the dishwashing agent according to the invention is preferably from 0.1 to 20 wt .-%, in particular from 0.5 to 18 wt .-%, particularly preferably 1.0 to 15 wt .-%, in particular from 4 to 14 wt .-%, especially from 6 to 12 wt .-%.
  • the sulfopolymer is usually used in the form of an aqueous solution, the aqueous solutions typically containing 20 to 70 wt .-%, in particular 30 to 50 wt .-%, preferably about 35 to 40 wt .-% sulfopolymers.
  • the sulfopolymer used is preferably a copolymeric polysulfonate, preferably a hydrophobically modified copolymeric polysulfonate.
  • the copolymers may have two, three, four or more different monomer units.
  • Preferred copolymeric polysulfonates contain not only sulfonic acid group-containing monomer (s) but also at least one monomer selected from the group consisting of unsaturated carboxylic acids.
  • unsaturated carboxylic acids are acrylic acid, methacrylic acid, ethacrylic acid, ⁇ -chloroacrylic acid, ⁇ -cyanoacrylic acid, crotonic acid, ⁇ -phenyl-acrylic acid, maleic acid, maleic anhydride, fumaric acid, itaconic acid, citraconic acid, methylenemalonic acid, sorbic acid, cinnamic acid or mixtures thereof. It goes without saying that it is also possible to use the unsaturated dicarboxylic acids.
  • Particularly preferred monomers containing sulfonic acid groups are 1-acrylamido-1-propanesulfonic acid, 2-acrylamido-2-propanesulfonic acid, 2-acrylamido-2-methyl-1-propanesulfonic acid, 2-methacrylamido-2-methyl-1-propanesulfonic acid, 3 Methacrylamido-2-hydroxypropanesulfonic acid, allylsulfonic acid, methallylsulfonic acid, allyloxybenzenesulfonic acid, methallyloxybenzenesulfonic acid, 2-hydroxy-3- (2-propenyloxy) propanesulfonic acid, 2-methyl-2-propene-1-sulfonic acid, styrenesulfonic acid, vinylsulfonic acid, 3-sulfopropyl acrylate, 3-sulfopropyl methacrylate , Sulfomethacrylamide, sulfomethylmethacrylamide and mixtures of said acids or their water-soluble
  • the sulfonic acid groups may be wholly or partially in neutralized form, i. the acidic acid of the sulfonic acid group in some or all sulfonic acid groups can be exchanged for metal ions, preferably alkali metal ions and in particular for sodium ions.
  • metal ions preferably alkali metal ions and in particular for sodium ions.
  • partially or fully neutralized sulfonic acid-containing copolymers is preferred according to the invention.
  • the monomer distribution of the copolymers preferably used according to the invention in the case of copolymers containing only monomers containing carboxylic acid groups and monomers containing sulfonic acid groups is preferably in each case from 5 to 95% by weight, particularly preferably Proportion of the sulfonic acid group-containing monomer 50 to 90 wt .-% and the proportion of the carboxylic acid group-containing monomer 10 to 50 wt .-%, the monomers are hereby preferably selected from the aforementioned.
  • the molar mass of the sulfo copolymers preferably used according to the invention can be varied in order to adapt the properties of the polymers to the desired end use.
  • Preferred dishwashing detergents are characterized in that the copolymers have molar masses of from 2000 to 200,000 gmol -1 , preferably from 4000 to 25,000 gmol -1 and in particular from 5000 to 15,000 gmol -1 .
  • the copolymers in addition to the carboxyl group-containing monomer and the monomer containing the sulfonic acid group, the copolymers further comprise at least one nonionic, preferably hydrophobic monomer.
  • the use of these hydrophobically modified polymers has made it possible in particular to improve the rinse aid performance of automatic dishwashing detergents according to the invention.
  • Anionic copolymers comprising monomers containing carboxylic acid groups, monomers containing sulfonic acid groups and nonionic monomers, in particular hydrophobic monomers, are therefore preferred according to the invention.
  • nonionic monomers are butene, isobutene, pentene, 3-methylbutene, 2-methylbutene, cyclopentene, hexene, hexene-1, 2-methylpentene-1, 3-methylpentene-1, cyclohexene, methylcyclopentene, cycloheptene, methylcyclohexene, 2,4 , 4-trimethylpentene-1, 2,4,4-trimethylpentene-2,3,3-dimethylhexene-1, 2,4-dimethylhexene-1, 2,5-dimethlyhexene-1,3,5-dimethylhexene-1,4 , 4-dimethylhexane-1, ethylcyclohexyne, 1-octene, alpha-olefins having 10 or more carbon atoms such as 1-decene, 1-dodecene, 1-hexadecene, 1-octadecene and
  • the monomer distribution of the hydrophobically modified copolymers preferably used according to the invention is preferably in each case from 5 to 80% by weight, with respect to the sulfonic acid group-containing monomer, the hydrophobic monomer and the carboxylic acid group-containing monomer, the proportion of the sulfonic acid group-containing monomer and of the each hydrophobic monomer 5 to 30 wt .-% and the proportion of the carboxylic acid group-containing monomer 60 to 80 wt .-%, the monomers are in this case preferably selected from the aforementioned.
  • the dishwashing detergents may contain alkali metal hydroxides.
  • These alkali carriers are preferred in dishwashing detergents only in small amounts, preferably in amounts below 10% by weight, preferably below 6% by weight, preferably below 5% by weight, particularly preferably between 0.1 and 5% by weight. and in particular between 0.5 and 5 wt .-%, each based on the total weight of the dishwashing detergent composition.
  • the alkali metal hydroxides are used in amounts such that the pH values according to the invention are achieved.
  • the dishwashing compositions according to the invention preferably further comprise at least one nonionic surfactant.
  • nonionic surfactants it is possible to use all nonionic surfactants known to the person skilled in the art.
  • Low-foaming nonionic surfactants are preferably used, in particular alkoxylated, especially ethoxylated, low-foaming nonionic surfactants.
  • the automatic dishwashing detergents contain nonionic surfactants from the group of the alkoxylated alcohols.
  • nonionic surfactants which have a melting point above room temperature.
  • Nonionic (s) surfactants having a melting point above 20 ° C, preferably above 25 ° C, more preferably between 25 and 60 ° C and especially between 26.6 and 43.3 ° C, is / are particularly preferred.
  • surfactants come from the groups of alkoxylated nonionic surfactants, in particular the ethoxylated primary alcohols and mixtures of these surfactants with structurally complicated surfactants such as polyoxypropylene / polyoxyethylene / polyoxypropylene ((PO / EO / PO) surfactants).
  • Such (PO / EO / PO) nonionic surfactants are also characterized by good foam control.
  • nonionic surfactants have been low foaming nonionic surfactants which have alternating ethylene oxide and alkylene oxide units.
  • surfactants with EO-AO-EO-AO blocks are preferred, wherein in each case one to ten EO or AO groups are bonded to each other before a block of the other groups follows.
  • nonionic surfactants of the general formula in which R 1 is a straight-chain or branched, saturated or mono- or polyunsaturated C 6-24 alkyl or alkenyl radical; each group R 2 or R 3 is independently selected from -CH 3 , -CH 2 CH 3 , -CH 2 CH 2 -CH 3 , CH (CH 3 ) 2 and the indices w, x, y, z independently stand for integers from 1 to 6.
  • nonionic surfactants having a C 9-15 alkyl group having 1 to 4 ethylene oxide units followed by 1 to 4 propylene oxide units followed by 1 to 4 ethylene oxide units followed by 1 to 4 propylene oxide units.
  • the cleaning performance of the preparations according to the invention can be significantly improved both in comparison to surfactant-free system and in comparison to systems containing alternative nonionic surfactants, for example from the group of polyalkoxylated fatty alcohols.
  • surfactants of the formula R 1 O [CH 2 CH (CH 3 ) O] x [CH 2 CH 2 O] y CH 2 CH (OH) R 2 , in which R 1 is a linear or branched aliphatic hydrocarbon radical with 4 R 2 is a linear or branched hydrocarbon radical having 2 to 26 carbon atoms or mixtures thereof and x is values between 0.5 and 1.5 and y is a value of at least 15.
  • the group of these nonionic surfactants includes, for example, the C 2-26 fatty alcohol (PO) 1 - (EO) 15-40 -2-hydroxyalkyl ethers, in particular also the C 8-10 fatty alcohol (PO) 1 - (EO) 22 -2 -hydroxydecylether.
  • nonionic surfactants are the end-capped poly (oxyalkylated) nonionic surfactants of the formula R 1 O [CH 2 CH (R 3 ) O] x [CH 2 ] k CH (OH) [CH 2 ] j OR 2 in which R 1 and R 2 are linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radicals having 1 to 30 carbon atoms, R 3 is H or a methyl, ethyl, n-propyl, iso-propyl, n-butyl, 2 Butyl or 2-methyl-2-butyl radical, x are values between 1 and 30, k and j are values between 1 and 12, preferably between 1 and 5.
  • each R 3 in the above formula R 1 O [CH 2 CH (R 3 ) O] x [CH 2 ] k CH (OH) [CH 2 ] j OR 2 may be different.
  • R 1 and R 2 are preferably linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radicals having 6 to 22 carbon atoms, with radicals having 8 to 18 carbon atoms being particularly preferred.
  • R 3 H, -CH 3 or -CH 2 CH 3 are particularly preferred.
  • Particularly preferred values for x are in the range from 1 to 20, in particular from 6 to 15.
  • each R 3 in the above formula may be different if x ⁇ 2.
  • the alkylene oxide unit in the square bracket can be varied.
  • the value 3 for x has been selected here by way of example and may well be greater, with the variation width increasing with increasing x values and including, for example, a large number (EO) groups combined with a small number (PO) groups, or vice versa ,
  • R 1 , R 2 and R 3 are as defined above and x is from 1 to 30, preferably from 1 to 20 and in particular from 6 to 18.
  • Particularly preferred are surfactants in which the radicals R 1 and R 2 has 9 to 14 C atoms, R 3 is H and x assumes values of 6 to 15.
  • Preferred liquid dishwashing detergents are characterized in that the dishwashing detergent contains at least one nonionic surfactant, preferably a nonionic surfactant from the group of hydroxy mixed ethers, wherein the weight fraction of the nonionic surfactant in the total weight of the dishwashing agent is preferably 0.1 to 10 wt.%, Preferably 0 , 5 to 8.0 wt .-% and in particular 1.0 to 4.0 wt .-% is.
  • the pH of the dishwashing detergent can be adjusted by means of customary pH regulators.
  • the pH of Composition A is in the range of 5.5 to 8.5, preferably 6.5 to 8.0, more preferably 6.8 to 7.5
  • the pH of Composition B is in a range from 9.0 to 12, preferably 10.0 to 11.5, preferably greater than 10, in particular 10.5 to 11.5.
  • the pH adjusting agents are acids and / or alkalis, preferably alkalis. Suitable acids are in particular organic acids such as acetic acid, citric acid, glycolic acid, lactic acid, succinic acid, adipic acid, malic acid, tartaric acid and gluconic acid or amidosulfonic acid.
  • Suitable bases are selected from the group of alkali and alkaline earth metal hydroxides and carbonates, in particular the alkali metal hydroxides, of which potassium hydroxide and especially sodium hydroxide is preferred.
  • volatile alkali for example in the form of ammonia and / or alkanolamines, which may contain up to 9 carbon atoms in the molecule.
  • the alkanolamine here is preferably selected from the group consisting of mono-, di-, triethanol- and -propanolamine and mixtures thereof.
  • the alkanolamine is preferably contained in agents according to the invention in an amount of from 0.5 to 10% by weight, in particular in an amount of from 1 to 6% by weight.
  • the composition according to the invention may contain one or more buffer substances (INCI Buffering Agents), usually in amounts of from 0.001 to 5% by weight. Preference is given to buffer substances which are at the same time complexing agents or even chelating agents (chelating agents, INCI chelating agents).
  • buffer substances are the citric acid or the citrates, in particular the sodium and potassium citrates, for example trisodium citrate.2H 2 O and tripotassium citrate H 2 O.
  • the agents according to the invention preferably comprise at least one further constituent, preferably selected from the group consisting of anionic, cationic and amphoteric surfactants, in particular anionic surfactants, bleaches, bleach activators, bleach catalysts, thickeners, sequestering agents, electrolytes, corrosion inhibitors, in particular silver protectants, glass corrosion inhibitors, foam inhibitors, dyes , Fragrances, bitter substances and antimicrobial agents.
  • anionic surfactants in particular anionic surfactants, bleaches, bleach activators, bleach catalysts, thickeners, sequestering agents, electrolytes, corrosion inhibitors, in particular silver protectants, glass corrosion inhibitors, foam inhibitors, dyes , Fragrances, bitter substances and antimicrobial agents.
  • Preferred anionic surfactants are fatty alcohol sulfates, fatty alcohol ether sulfates, dialkyl ether sulfates, monoglyceride sulfates, alkylbenzenesulfonates, olefinsulfonates, alkanesulfonates, ether sulfonates, n-alkyl ether sulfonates, ester sulfonates and lignosulfonates.
  • fatty acid cyanamides sulfosuccinates (sulfosuccinic esters), in particular sulfosuccinic mono- and di-C 8 -C 18 -alkyl esters, sulfosuccinamates, sulfosuccinamides, fatty acid isethionates, acylaminoalkanesulfonates (fatty acid taurides), fatty acid sarcosinates, ether carboxylic acids and alkyl (ether) phosphates and ⁇ -sulfofatty acid salts, acylglutamates, monoglyceride disulfates and alkyl ethers of glycerol disulfate.
  • sulfosuccinates sulfosuccinic esters
  • sulfosuccinic mono- and di-C 8 -C 18 -alkyl esters sulfosuccinamates
  • the anionic surfactants are preferably used as sodium salts, but may also be present as other alkali or alkaline earth metal salts, for example potassium or magnesium salts, and in the form of ammonium or mono-, di-, tri- or tetraalkylammonium salts, in the case of the sulfonates also in the form of their corresponding acid, eg dodecylbenzenesulfonic acid.
  • Suitable amphoteric surfactants are, for example, betaines of the formula (R iii ) (R iv ) (R v ) N + CH 2 COO - , in which R iii is an alkyl radical optionally interrupted by hetero atoms or heteroatom groups having 8 to 25, preferably 10 to 21 carbon atoms and R iv and R v are identical or different alkyl radicals having 1 to 3 carbon atoms, in particular C 10 -C 18 -alkyl-dimethylcarboxymethylbetain and C 11 -C 17 -alkylamidopropyl-dimethylcarboxymethylbetain.
  • Suitable cationic surfactants include the quaternary ammonium compounds of the formula (R vi ) (R vii ) (R viii ) (R ix ) N + X - , in which R vi to R ix are four identical or different, in particular two long and two short-chain, alkyl radicals and X - are an anion, in particular a halide ion, for example, didecyl-dimethyl-ammonium chloride, alkyl-benzyl-didecyl-ammonium chloride and mixtures thereof.
  • quaternary surface-active compounds in particular having a sulfonium, phosphonium, iodonium or arsonium group, which are also known as antimicrobial agents.
  • the agent can be designed with an antimicrobial effect or its possibly existing antimicrobial effect due to other ingredients can be improved.
  • Glass corrosion inhibitors prevent the occurrence of haze, streaks and scratches, but also iridescence of the glass surface of machine-cleaned glasses.
  • Preferred glass corrosion inhibitors come from the group of magnesium and zinc salts and magnesium and zinc complexes.
  • the content of zinc salt in dishwashing detergents is preferably between 0.1 and 5 wt.%, Preferably between 0.2 and 4 wt.% And in particular between 0.4 and 3 wt.
  • the content of zinc in oxidized form (calculated as Zn 2+ ) is between 0.01 to 1% by weight, preferably between 0.02 to 0.5% by weight and in particular between 0.04 to 0.2 wt .-%, each based on the total weight of the glass corrosion inhibitor-containing agent.
  • perfume oils or perfumes within the scope of the present invention, individual fragrance compounds, e.g. the synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type are used. Preferably, however, mixtures of different fragrances are used, which together produce an attractive fragrance.
  • perfume oils may also contain natural fragrance mixtures such as are available from vegetable sources, e.g. Pine, citrus, jasmine, patchouli, rose or ylang-ylang oil.
  • the formulation of dishwashing agents described herein can be done in different ways.
  • the liquid supply forms based on water and / or organic solvents may be thickened, in the form of gels.
  • the detergent immediately after production has a viscosity above 2000 mPas (Brookfield Viscometer DV-II + Pro, spindle 25, 30 rpm, 20 ° C), in particular between 2000 and 10,000 mPas.
  • the viscosity may be higher, for example greater than 10000 mPas, such as in the range 10000-50000 mPas, preferably around 35000 mPas (Brookfield Viscometer DV-II + Pro, spindle 25, 5 rpm, 20 ° C).
  • the dishwashing agents described herein are preferably prefabricated into dosage units. These metering units preferably comprise the necessary for a cleaning cycle amount of washing or cleaning-active substances. Preferred metering units have a weight between 12 and 30 g, preferably between 14 and 26 g and in particular between 16 and 22 g.
  • the dishwashing agents in particular the prefabricated metering units, with particular preference have a water-soluble coating.
  • the water-soluble coating is preferably formed from a water-soluble film material selected from the group consisting of polymers or polymer blends.
  • the wrapper may be formed of one or two or more layers of the water-soluble film material.
  • the water-soluble film material of the first layer and the further layers, if present, may be the same or different. Particularly preferred are films which, for example, can be glued and / or sealed to packages such as hoses or cushions after being filled with an agent.
  • the water-soluble coating contains polyvinyl alcohol or a polyvinyl alcohol copolymer.
  • Water-soluble coatings containing polyvinyl alcohol or a polyvinyl alcohol copolymer have a good stability with a sufficiently high water solubility, in particular cold water solubility on.
  • Suitable water-soluble films for producing the water-soluble coating are preferably based on a polyvinyl alcohol or a polyvinyl alcohol copolymer whose molecular weight is in the range of 10,000 to 1,000,000 gmol -1 , preferably 20,000 to 500,000 gmol -1 , more preferably 30,000 to 100,000 gmol -1 and especially from 40,000 to 80,000 gmol -1 .
  • polyvinyl alcohol is usually carried out by hydrolysis of polyvinyl acetate, since the direct synthesis route is not possible.
  • polyvinyl alcohol copolymers which are prepared from correspondingly polyvinyl acetate copolymers. It is preferred if at least one layer of the water-soluble coating comprises a polyvinyl alcohol whose degree of hydrolysis makes up 70 to 100 mol%, preferably 80 to 90 mol%, particularly preferably 81 to 89 mol% and in particular 82 to 88 mol%.
  • a polymer selected from the group consisting of (meth) acrylic acid-containing (co) polymers, polyacrylamides, oxazoline polymers, polystyrenesulfonates, polyurethanes, polyesters, polyethers, polylactic acid, or mixtures of the above may be additionally used in a polyvinyl alcohol-containing film material suitable for producing the water-soluble coating Be added polymers.
  • a preferred additional polymer is polylactic acids.
  • Preferred polyvinyl alcohol copolymers include, in addition to vinyl alcohol, dicarboxylic acids as further monomers.
  • Suitable dicarboxylic acids are itaconic acid, malonic acid, succinic acid and mixtures thereof, with itaconic acid being preferred.
  • polyvinyl alcohol copolymers include, in addition to vinyl alcohol, an ethylenically unsaturated carboxylic acid, its salt or its esters. Particularly preferably contain such Polyvinyl alcohol copolymers in addition to vinyl alcohol, acrylic acid, methacrylic acid, acrylic acid esters, methacrylic acid esters or mixtures thereof.
  • the film material contains further additives.
  • the film material may contain, for example, plasticizers such as dipropylene glycol, ethylene glycol, diethylene glycol, propylene glycol, glycerol, sorbitol, mannitol or mixtures thereof.
  • Further additives include, for example, release aids, fillers, crosslinking agents, surfactants, antioxidants, UV absorbers, antiblocking agents, anti-sticking agents or mixtures thereof.
  • Suitable water-soluble films for use in the water-soluble casings of the water-soluble packaging according to the invention are films sold by the company MonoSol LLC, for example under the designation M8630, C8400 or M8900.
  • Other suitable films include films named Solublon® PT, Solublon® GA, Solublon® KC or Solublon® KL from Aicello Chemical Europe GmbH or the films VF-HP from Kuraray.
  • the corresponding use of the automatic dishwasher detergents according to the invention is likewise an object of the invention.
  • the invention likewise relates to a dishwashing process, in particular a machine dishwashing process, in which a dishwashing detergent according to the invention is used.
  • the subject matter of the present application is therefore furthermore a process for the cleaning of dishes in a dishwashing machine, in which the agent according to the invention is metered into the interior of a dishwasher during the passage of a dishwashing program before the main wash cycle or during the main wash cycle.
  • the metering or the entry of the agent according to the invention into the interior of the dishwasher can be done manually, but preferably the agent is metered by means of the metering chamber into the interior of the dishwasher.
  • the dishwashing compositions according to the invention comprise an enzyme phase which corresponds to Formulation A and an alkali phase which corresponds to Formulation B.
  • Formulation 1 corresponds to the formulation according to the invention
  • Formulation 2 is a comparison formulation showing precipitations of calcium phosphonate.
  • Table 1 Composition of the automatic dishwashing agent (% by weight) Enzyme Phase (EP) Preparation A Rez. 1 Rez. 1 Rez. 2 (V) Rez.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
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Claims (10)

  1. Détergent liquide sans phosphate pour la vaisselle, de préférence détergent pour lave-vaisselle, caractérisé en ce que le détergent pour la vaisselle comprend deux compositions A et B liquides, séparées spatialement l'une de l'autre,
    (a) la composition A étant dépourvue de phosphonate et comprenant au moins une enzyme, de préférence une protéase et/ou amylase, et au moins un sel de calcium, adapté pour stabiliser l'au moins une enzyme, et ayant un pH inférieur à 8,5, de préférence égal à 8, en particulier inférieur ou égal à 7,5, et
    (b) la composition B étant dépourvue d'enzyme et de calcium et comprenant au moins un phosphonate, en particulier le 1-hydroxyéthane-(1,1-acide diphosphonique) (HEDP), et ayant un pH supérieur à 9, de préférence supérieur à 10.
  2. Détergent pour la vaisselle selon la revendication 1, caractérisé en ce que la composition A contient l'au moins un sel de calcium, en particulier le chlorure de calcium (CaCl2), en une quantité allant de 0,05 à 2 % en poids, en particulier de 0,1 à 0,6 % en poids par rapport à la composition A.
  3. Détergent pour la vaisselle selon la revendication 1 ou 2, caractérisé en ce que la composition B contient l'au moins un phosphonate, en particulier le HEDP, en une quantité allant de 0,5 à 5 % en poids, en particulier de 1 à 3 % en poids par rapport à la composition B.
  4. Détergent pour la vaisselle selon l'une des revendications 1 à 3, caractérisé en ce que la composition A contient au moins une amylase et au moins une protéase et en option au moins une autre enzyme choisie dans l'ensemble constitué de lipases, d'hémicellulases, en particulier de pectinases et/ou de mannanases, de cellulases, de perhydrolases et d'oxydoréductases.
  5. Détergent pour la vaisselle selon l'une des revendications 1 à 4, caractérisé en ce que la composition A contient d'autres stabilisateurs d'enzyme, en particulier des polyols et/ou l'acide borique.
  6. Détergent pour la vaisselle selon l'une des revendications 1 à 5, caractérisé en ce que les compositions A et/ou B contiennent en outre au moins un adjuvant, choisi parmi l'acide glutamique diacétique (GLDA), l'acide méthylglycinediacétique (MGDA) et l'acide éthylènediamine diacétique (EDDA) ou des sels de ceux-ci.
  7. Détergent pour la vaisselle selon l'une des revendications 1 à 6, caractérisé en ce que les compositions A et/ou B contiennent en outre du citrate.
  8. Détergent pour la vaisselle selon l'une des revendications 1 à 7, caractérisé en ce que le détergent pour la vaisselle contient au moins un ingrédient supplémentaire, de préférence au moins deux ingrédients supplémentaires, choisis dans l'ensemble constitué de tensioactifs, de polymères, d'inhibiteurs de la corrosion, d'inhibiteurs de la corrosion du verre, de parfums et de supports de parfum.
  9. Utilisation d'un détergent pour la vaisselle selon l'une des revendications 1 à 8 dans un procédé de lavage de la vaisselle en machine.
  10. Procédé de lavage de la vaisselle en machine, caractérisé en ce qu'un détergent pour la vaisselle selon l'une des revendications 1 à 8 est utilisé.
EP14814812.5A 2013-12-13 2014-12-11 Lessive liquide pour lave-vaisselle, exempte de phosphates Active EP3080242B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013225920.4A DE102013225920A1 (de) 2013-12-13 2013-12-13 Phosphatfreies flüssiges Geschirrspülmittel
PCT/EP2014/077414 WO2015086761A1 (fr) 2013-12-13 2014-12-11 Lessive liquide pour lave-vaisselle, exempte de phosphates

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EP3080242A1 EP3080242A1 (fr) 2016-10-19
EP3080242B1 true EP3080242B1 (fr) 2018-08-22

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EP4379028A1 (fr) * 2022-11-30 2024-06-05 Henkel AG & Co. KGaA Systeme de builder pour l'élimination des taches de protéines

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PL2924101T3 (pl) 2014-03-24 2021-11-08 Chemische Fabrik Dr. Weigert Gmbh & Co Kg Środek czyszczący i sposób czyszczenia naczyń
US11021680B2 (en) 2016-09-07 2021-06-01 Ecolab Usa Inc. Detergent compositions containing a stabilized enzyme by phosphonates
DE102017212561A1 (de) * 2017-07-21 2019-01-24 Henkel Ag & Co. Kgaa Geschirrspülmittel enthaltend Citratdihydrat und -anhydrat
DE102018220189A1 (de) * 2018-11-23 2020-05-28 Henkel Ag & Co. Kgaa Reinigungsmittel zur automatischen Dosierung
EP4194535A1 (fr) 2021-12-09 2023-06-14 Henkel AG & Co. KGaA Composition de nettoyage à deux phases avec des particules de détergent visiblement distinctes

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GB2355269A (en) * 2000-08-08 2001-04-18 Procter & Gamble Liquid cleaning composition
GB2373254A (en) * 2001-03-16 2002-09-18 Procter & Gamble Detergent product
ES2395044T3 (es) * 2005-09-02 2013-02-07 Henkel Ag & Co. Kgaa Detergentes
GB0611206D0 (en) * 2006-06-07 2006-07-19 Reckitt Benckiser Nv Detergent composition

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EP4379028A1 (fr) * 2022-11-30 2024-06-05 Henkel AG & Co. KGaA Systeme de builder pour l'élimination des taches de protéines

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EP3080242A1 (fr) 2016-10-19
WO2015086761A1 (fr) 2015-06-18
ES2691557T3 (es) 2018-11-27

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