EP0710717B1 - Poudre détergente dispensable - Google Patents

Poudre détergente dispensable Download PDF

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Publication number
EP0710717B1
EP0710717B1 EP19940308137 EP94308137A EP0710717B1 EP 0710717 B1 EP0710717 B1 EP 0710717B1 EP 19940308137 EP19940308137 EP 19940308137 EP 94308137 A EP94308137 A EP 94308137A EP 0710717 B1 EP0710717 B1 EP 0710717B1
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EP
European Patent Office
Prior art keywords
fatty acid
weight percent
nonionic surfactant
fatty alcohol
fatty
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.)
Revoked
Application number
EP19940308137
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German (de)
English (en)
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EP0710717A1 (fr
Inventor
David M. Flower
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Amway Corp
Original Assignee
Amway Corp
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Filing date
Publication date
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Application filed by Amway Corp filed Critical Amway Corp
Priority to DE1994608146 priority Critical patent/DE69408146T2/de
Priority to ES94308137T priority patent/ES2111260T3/es
Priority to EP19940308137 priority patent/EP0710717B1/fr
Publication of EP0710717A1 publication Critical patent/EP0710717A1/fr
Application granted granted Critical
Publication of EP0710717B1 publication Critical patent/EP0710717B1/fr
Priority to HK98109332A priority patent/HK1008432A1/xx
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2006—Monohydric alcohols
    • C11D3/201—Monohydric alcohols linear
    • C11D3/2013—Monohydric alcohols linear fatty or with at least 8 carbon atoms in the alkyl chain
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • 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
    • C11D17/0034—Fixed on a solid conventional detergent ingredient
    • 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
    • C11D3/2079—Monocarboxylic acids-salts thereof

Definitions

  • This invention relates to granular or powder detergent compositions, and especially to those compositions intended for use in washing machines having a detergent- dispensing feature.
  • Granular or powder detergent compositions usually contain, in addition to detergent active materials or surfactants, a detergency builder which functions, among other things, to improve the detergency or cleaning level of the compositions, in comparison to unbuilt compositions.
  • a detergency builder which functions, among other things, to improve the detergency or cleaning level of the compositions, in comparison to unbuilt compositions.
  • conventional additives such as fabric softeners, whiteners, hydrotropes, bleaching agents, bleach activators, enzymes, soil anti-redeposition agents and the like can also be incorporated into granular detergents.
  • EP-A-360,330 discloses a process for the preparation of a detergent powder, which includes the steps of preparing an intermediate powder, and spraying onto the intermediate powder an intimate mixture of a C 8-22 fatty acid and a liquid or liquifiable nonionic surfactant.
  • the final detergent powder is said to have a dynamic flow rate of at least 90 ml/s.
  • US-A-4966606 a method is proposed for improving dispensability of granular detergent compositions containing sodium carbonate and finely-divided calcite by providing detergent granules or particles which have a mean size of at least 500 ⁇ m, with less than two percent by weight of the particles having a size of less than 50 ⁇ m.
  • the '606 patent also references other proposals, including those of GB-A-2120293 (addition of a siliconate to bentonite-containing powders) and EP-A-49920 (addition of hydrophobic material such as calcium stearate to phosphate/silicate granular dishwashing compositions).
  • EP-A-354331 discloses a granular detergent in which the granules comprise a carrier impregnated with a nonionic surfactant, a fatty acid and a fatty alcohol.
  • US-A-3216946 also discloses a granular detergent material comprising a carrier impregnated with alcohol or a fatty acid or a nonionic surfactant.
  • a granular detergent composition having a bulk density of at least 400 g/l, comprising 12.5 to 60 percent by weight of at least one nonionic surfactant; from 10 to 85 weight percent of a granular base comprising at least one builder; the base granules being impregnated with an intimate mixture of at least a portion of the nonionic surfactant and from 0.5 to 5 weight percent of at least one fatty acid having from 8 to 22 carbon atoms; and from 0.5 to 5 weight percent of at least one fatty alcohol having from 8 to 22 carbon atoms; the base granules also being impregnated with the balance of any of the nonionic surfactant not intimately mixed with the fatty alcohol and the fatty acid.
  • a second aspect of the present invention comprises the use of a composition of matter for enhancing the dispensability of granular detergent compositions having a bulk density of at least 400 g/l, by impregnating the granular detergent with the composition of matter, the granular detergent comprising at least one builder, the composition of matter comprising an intimate mixture of at least one nonionic surfactant, at least one fatty acid having from 8 to 22 carbon atoms and at least one fatty alcohol having from 8 to 22 carbon atoms, wherein the combined amount of the fatty acid and the fatty alcohol is in the range from 3 to 16 (preferably 9 to 12) weight percent, based on the weight of the nonionic surfactant and wherein the amount of fatty acid relative to fatty alcohol is in the range of 0.7-1.2 (preferably 0.9 to 1.05) parts by weight fatty acid per part by weight fatty alcohol, and whereby the final detergent composition comprises 10 to 85 weight percent of the builder, 12.5 to 60 weight percent of the nonionic surfactant, 0.5 to 5 weight percent
  • a method for enhancing dispersability of granular detergent compositions having a bulk density of at least 400 g/l, which comprise at least one nonionic surfactant and at least one detergent builder comprising: contacting 10 to 85 weight percent of a granular detergent base composition comprising at least one builder with a liquified intimate mixture comprising 12.5 to 60 weight percent of at least one nonionic surfactant, 0.5 to 5 weight percent of at least one fatty acid having from 8 to 22 carbon atoms and 0.5 to 5 weight percent of at least one fatty alcohol having from 8 to 22 carbon atoms.
  • the present invention involves enhancing dispensability of high bulk density powder detergents by applying onto detergent granules an intimate mixture of a nonionic surfactant, a fatty acid and a fatty alcohol.
  • Detergent powders made with this technique contain high levels of surfactant, are almost totally nonionic, and have been found to completely dispense an 80-100 gram dosage in a European side-flush dispenser at 1.9 l (0.5 U.S. gallons) per minute flow rate, in less than two minutes, and more typically in 30-45 seconds.
  • the dispensing properties of a detergent powder are improved by the application of an intimate mixture of a fatty acid, fatty alcohol and a liquid or liquifiable nonionic surfactant into and onto the detergent base powder, prior to the dry-dosing and/or spraying of other components.
  • the detergent base powder is contacted with a portion of the liquid or liquifiable nonionic surfactant followed by the application of the remainder of the nonionic surfactant, the fatty acid and the fatty alcohol. It is believed that this most preferred embodiment tends to leave the fatty acid and fatty alcohol components concentrated to a greater degree at the base particle surface.
  • the base detergent powders which are suitable for treating in accordance with the present invention can be prepared by substantially any method known in the art.
  • some detergent powders are prepared by spray drying an aqueous slurry of heat-insensitive and mutually compatible ingredients to form a spray-dried granular product, normally referred to as the "base powder.”
  • Other desired ingredients that are not to be incorporated via the slurry because of heat sensitivity or incompatibility with other slurry ingredients are then dry-mixed or sprayed onto the base powder.
  • Such base detergent powders can also be prepared by straightforward blending of the ingredients in the presence of less than about 5% water, or by mixing in the substantial absence of water but in the presence of non-aqueous liquid or liquifiable materials, including detergent active materials, such as nonionic surfactants.
  • the base powder which forms from this simplified technique can then be post-dosed with other dry or liquid materials to provide base detergent granules which are then treated with the mixture of fatty acid, fatty alcohol and nonionic surfactant, in accordance with the precepts of the invention.
  • the principal ingredients of the high density, free-flowing, easily-dispensed granular laundry detergent powder of the invention include at least one nonionic surfactant, at least one builder, at least one fatty alcohol, at least one fatty acid and, optionally, other additives conventionally employed in granular detergent compositions. These principal ingredients are included in the detergent compositions in the following percentage ranges, based on total weight of detergent: Ingredient Range Preferred Range Especially Preferred Range Nonionic surfactant 12.5-60 12.5-40 15-25 Builder 10-85 25-80 40-75 Fatty alcohol 0.5-5 0.75-2 0.75-1.25 Fatty acid 0.5-5 0.75-2 0.75-1.25 Optionals to 100% to 100% to 100% to 100%
  • nonionic surfactants include: polyethylene oxide condensates of alkyl phenols having from 4 to 25, preferably 4-16, moles of ethylene oxide per mole of alkyl phenol; condensation products of aliphatic alcohols and from 1 to about 25, preferably about 3 to about 16, moles of ethylene oxide per mole of alcohol; condensation products of ethylene oxide with a hydrophobic base formed by the condensation of propylene oxide with propylene glycol; condensation products of ethylene oxide with propylene oxide-ethylene diamine reaction products; water-soluble amine oxides, phosphine oxides and sulfoxides having one alkyl moiety having from about 10 to about 18 carbon atoms and two moieties selected from the group consisting of alkyl groups and hydroxyalkyl groups having from 1 to about 3 carbon atoms; alkyl polysaccharides and fatty acid amides.
  • ethoxylated alcohols such as Neodol's (Trade Mark) 25-3, 23-6.5, 25-7
  • the preferred granular detergent compositions of the invention also contain at least 10% by weight of at least one water-soluble or water-insoluble inorganic and/or organic detergency builder.
  • Non-limiting examples of suitable water-soluble inorganic detergent builders include alkali metal carbonates, borates, phosphates, polyphosphates, bicarbonates, silicates, sulphates and chlorides. Specific examples of such salts include sodium and potassium tetraborates, perborates, bicarbonates, carbonates, tripolyphosphates, orthophosphates, pyrophosphates, hexametaphosphates and sulphates.
  • suitable organic alkaline detergency builders include water-soluble amino carboxylates and amino polyacetates, such as sodium and potassium glycinates, ethylene diamine tetraacetates, nitrilotriacetates and N-(2-hydroxy ethyl) nitrilodiacetates and diethylenetriamine pentaacetates; water-soluble salts of phytic acid, such as sodium and potassium phytates; water-soluble polyphosphonates including sodium, potassium and lithium salts of ethane-1-hydroxy-1,1-diphosphonic acid, the sodium, potassium and lithium salts of ethylene diphosphonic acid and the like; water-soluble polycarboxylates such as the salts of lactic acid, succinic acid, malonic acid, maleic acid, citric acid, carboxymethyloxysuccinic acid, 2-oxo-xa-1,1,3-propane tricarboxylic acid, 1,1,2,2-ethane tetracarboxylic acid, cyclopen
  • the invention is particularly useful when the detergency builder materials comprise insoluble sodium aluminosilicates, especially those having a calcium ionic exchange capacity of at least 200 milligrams equivalent per gram and a calcium ion exchange rate of at least 0.53 grams per litre per minute per gram (2 grams per gallon per minute per gram).
  • Particularly preferred builders of this type are the zeolites A and X, preferably containing from about 7 to about 26% water of hydration.
  • Fatty alcohols which can be employed in the practice of the invention include substantially any of the known fatty alcohols having from 8 to 22 carbon atoms with fatty alcohols having from 14 to 18 carbon atoms being preferred. Particularly preferred are the C 16 fatty alcohols, such as cetyl alcohols.
  • Other useful fatty alcohols include capryl alcohol, decanol, lauryl alcohol, myristic alcohol, septa decanoic alcohol, octedecanoic alcohol and behenic alcohol.
  • fatty acids from 8 to 22 carbon atoms can be employed in the practice of the invention, with fatty acids having from 16-22 carbon atoms being preferred.
  • Stearic acid is currently the preferred acid of choice.
  • Other useful fatty acids include caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, margaric acid and behenic acid.
  • the fatty acid and the fatty alcohol will normally be combined in an amount in the range from about 3 to about 16%, preferably from about 9 to about 12% by weight, based on the weight of total nonionic surfactant.
  • the amount of fatty acid relative to fatty alcohol will generally be in a ratio of 0.7-1.2 parts by weight fatty acid per part by weight of fatty alcohol.
  • the ratio of fatty acid:fatty alcohol will be in the range of 0.9-1.05:1.
  • a ratio of one part fatty acid to one part fatty alcohol is most preferred.
  • the granular detergent composition of the present invention can be supplemented by the usual additives conventionally employed in detergent compositions.
  • Optional ingredients include other surfactants, e.g., anionic, cationic, amphoteric and zwitterionic surfactants, soil suspending agents at about 0.1% to 10% by weight, including water-soluble salts of carboxymethylcellulose carboxyhydroxymethylcellulose and polyethylene glycols having a molecular weight of about 400 to 10,000.
  • Dyes, optical brighteners and perfumes enzymes, anti-caking agents such as sodium sulfosuccinate, preservatives such as sodium benzoate, alkaline metal or alkaline earth metal silicates, suds regulating or suppressing agents, natural and synthetic microcrystalline and oxidized microcrystalline waxes, inorganic and organic peroxy bleaching agents, bleaching agent activators, polyphosphonic acids and acid salts.
  • anti-caking agents such as sodium sulfosuccinate
  • preservatives such as sodium benzoate, alkaline metal or alkaline earth metal silicates
  • suds regulating or suppressing agents natural and synthetic microcrystalline and oxidized microcrystalline waxes
  • inorganic and organic peroxy bleaching agents bleaching agent activators
  • polyphosphonic acids and acid salts are examples of these materials.
  • the mixtures are preferably formed by liquifying the nonionic surfactant, if the nonionic surfactant is not naturally a liquid, and melting and blending the fatty alcohol and fatty acid into the liquified nonionic surfactant.
  • the treating mixture is preferably applied in two portions, with a first portion comprising approximately at least 50% and more preferably about 65% of the nonionic surfactant charge, which is initially sprayed onto or otherwise combined with the detergent granule.
  • the liquified mixture of the remaining nonionic surfactant, the fatty acid and the fatty alcohol is sprayed onto or otherwise combined with the previously nonionic surfactant-impregnated granule.
  • final components including oxygen-containing bleaches such as sodium perborate, sodium silicate, the tetraacetyl ethylenediamine bleach activator and enzymes are post-dosed onto the treated granules.
  • the granular detergent compositions of this invention are typically employed in an amount to provide aqueous solutions containing from about 100 to about 3,000 parts per million, especially from about 500 to 1,500 parts per million of detergent compositions.
  • the detergent compositions of the invention may be prepared following conventional techniques.
  • the base granular detergent compositions of the present invention can be made by spray drying a crutcher mix containing the builder and optional components to form a granular powder base and subsequently treating the powder base with the nonionic surfactant, fatty acid and fatty alcohol mixture in accordance with this invention.
  • the preferred method of preparing the granular laundry detergent is to blend the dry powder ingredients, such as builders, and the like, with about 50% by weight of the total nonionic surfactant (which has been liquified) to obtain a substantially homogeneous mixture.
  • the resulting granules will have the nonionic surfactant sorbed into the granules.
  • This granular base is then treated with the intimate mixture of the remainder of the liquified nonionic surfactant, fatty acid and fatty alcohol as previously described.
  • Granular detergent compositions produced in accordance with this invention have conventional particle sizes in the range of 2.38 mm to 0.149 mm (8 to 100 mesh) with a powder density of at least 400 grams per litre, preferably in the range from about 450 to 900 grams per litre and most preferably in the range of about 550 to 800 grams per litre.
  • the following exemplary data show the surfactant systems and dispensing properties of a series of European non-phosphate detergent formulations.
  • the test samples were prepared using the same granular base (zeolite, carbonate, citrate, CMC, polyacrylate, bicarbonate, phosphonate).
  • the melted/liquid nonionic surfactant(s) were added in two portions, the latter containing the stearic acid and/or fatty alcohol (as well as optional liquid ingredients: fragrance and defoaming agent).
  • final post add components including perborate, silicate, TAED (bleach activator) and enzymes were added and mixed.
  • Detergent compositions are prepared according to the following formulations:
  • the resulting product comprised free-flowing granules having a density of about 650 grams per litre.
  • the granular detergent was dosed (100 grams) to an automatic washing machine equipped with a European-style side flush dispenser. Water at a rate of 1.9 l (0.5 gallons) per minute was fed to the dispenser.
  • detergent granules prepared in accordance with the invention were completely dispensed in 35 to 45 seconds whereas detergent granules coated with nonionic surfactant/fatty acid (Examples 1-3 and 7) or nonionic surfactant/fatty alcohol (Example 5) were incompletely dispensed, leaving substantial quantities of clumped detergent in the dispenser and feed line between the dispenser and the washing tub.
  • the nonionic, fatty alcohol and fatty acid be added to the principle granular builder ingredient.
  • the principle builder ingredient is the granular zeolite A at 39% of the final detergent composition.
  • the principle builder might be sodium carbonate, a phosphate or some other ingredient.
  • the various Part I granular ingredients might first be agglomerated together. These Part I agglomerated granules would then be impregnated with the first portion of nonionic surfactant, followed by contact with the Part II liquid ingredients.
  • the Part II liquid ingredients must contain a portion of the nonionic, the fatty acid and the fatty alcohol.
  • the incorporation of other liquid ingredients into this liquid mixture is optional (e.g., the fragrance and defoaming agents).
  • the optional liquid ingredients could be treated as post adds, or even incorporated into the Part I granule mix or agglomerated granules.
  • Part III post add ingredients while conveniently added last, could alternatively be incorporated into the Part I base granule mix.

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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)

Claims (16)

  1. Une composition détergente granulaire présentant une masse volumique non tassée d'au moins 400 g/l contenant 12,5 à 60% en poids d'au moins 1 surfactant non-ionique ; de 10 à 85% en poids d'une matière de base granulaire comprenant au moins 1 adjuvant; les granules de la matière de base étant imprégnées avec un mélange intime d'au moins une portion du surfactant non-ionique et de 0,5 à 5% en poids d'au moins un acide gras ayant entre 8 et 22 atomes de carbone ; et de 0,5 à 5% en poids d'au moins un alcool gras ayant entre 8 et 22 atomes de carbone ; les granules de la matière de base étant également imprégnées avec le reste du surfactant non-ionique qui ne serait pas entré en mélange intime avec l'alcool gras et l'acide gras.
  2. Une composition détergente granulaire selon la revendication 1 dans laquelle les granules de la matière de base sont imprégnés avec l'alcool gras.
  3. Une composition détergente granulaire selon la revendication 1 ou la revendication 2 dans laquelle les granules de la matière de base sont imprégnées au moyen d'une première application du surfactant non-ionique selon une quantité inférieure à la quantité totale du surfactant non ionique, suivie d'une deuxième application d'un mélange intime de la quantité restante du surfactant non-ionique et de l'acide gras et de l'alcool gras, dans lequel la quantité combinée de l'acide gras et de l'alcool gras se situe dans la fourchette de 3 à 16 (de préférence 9 à 12) pour cent en poids par rapport au poids total du surfactant non-ionique, et où le rapport pondéral acide gras:alcool gras est de 0,7à 1,2 : 1 (de préférence 0,9 à 1.05 : 1) et où la concentration résultante de l'acide gras et de l'alcool gras est supérieure à la surface des granules de la matière de base que la concentration dans des zones de ces granules situées ailleurs qu'à la surface.
  4. Une composition détergente granulaire selon la revendication 3 dans laquelle au moins 50% (de préférence au moins 65%) du surfactant non-ionique est imprégné tout d'abord dans les granules de la matière de base.
  5. Une composition détergente granulaire selon l'une quelconque des revendications 1 à 4 dans laquelle l'adjuvant comprend un zéolite insoluble dans l'eau.
  6. Une composition détergente granulaire selon l'une quelconque des revendications 1 à 5 dans laquelle l'alcool gras représente 0,75 à 1,25% en poids, et l'acide gras représente 0,75 à 1,25% en poids.
  7. L'emploi d'une composition de matière dans le but d'augmenter l'aptitude à la distribution de compositions détergentes granulaires ayant une masse volumique non-tassée de 400 g/l au moins en imprégnant le détergent granulaire avec la composition de matière, le détergent granulaire se composant à tout le moins d'un adjuvant, la composition de matière se composant d'un mélange intime d'au moins un surfactant non ionique, d'au moins un acide gras ayant entre 8 et 22 atomes de carbone et d'au moins un alcool gras ayant entre 8 et 22 atomes de carbone, où la quantité combinée de l'acide gras et de l'alcool gras se situe dans la fourchette de 3 à 16 (de préférence 9 à 12% en poids) par rapport au poids du surfactant non-ionique, et où le rapport pondéral acide gras: alcool gras se situe dans la fourchette de 0,7 à 1,2 : 1 (de préférence 0,9 à 1,05 : 1) et où la composition détergente finale est composée à raison de 10 à 85% en poids de l'adjuvant, de 12,5 à 60% en poids du surfactant non-ionique, de 0,5 à 5% en poids de l'acide gras et de 0,5 à 5% en poids de l'alcool gras.
  8. L'emploi d'une composition de matière selon la revendication 7 où le rapport pondéral acide gras : alcool gras est de 0,9 à 1,05 : 1.
  9. L'emploi d'une composition de matière selon la revendication 7 ou la revendication 8 où l'acide gras est l'acide stérique et l'alcool gras comprend de l'alcool cétylique.
  10. L'emploi d'une composition de matière selon l'une quelconque des revendications 7 à 9 dans laquelle l'alcool gras représente 0,75 à 1,25% en poids, et l'acide gras représente 0,75 à 1,25 en poids.
  11. Une méthode pour augmenter l'aptitude à la distribution de compositions détergentes granulaires ayant une masse volumique non-tassée d'au moins 400 g/l faisant appel à au moins un surfactant non-ionique et à au moins un adjuvant de détergent, cette méthode comprenant : mise en contact de 10 à 85% en poids d'une composition détergente à matière de base granulaire comprenant au moins un adjuvant avec un mélange intime liquéfié comprenant 12,5 à 60% en poids d'au moins un surfactant non-ionique, de 0,5 à 5% en poids d'au moins un acide gras ayant entre 8 et 22 atome de carbone et de 0,5 à 5% en poids d'au moins 1 alcool gras ayant entre 8 et 22 atomes de carbone.
  12. Une méthode selon la revendication 11 dans laquelle la composition détergente à matière de base granulaire est premièrement mise en contact avec au moins une partie (de préférence au moins 50% et de préférence plus marquée au moins 65%) du surfactant non-ionique et est par la suite mise en contact avec le mélange comprenant le reste du surfactant non-ionique, l'acide gras et l'alcool gras.
  13. Une méthode selon la revendication 11 ou la revendication 12 dans laquelle la quantité combinée de l'acide gras et de l'alcool gras se situe dans la fourchette de 3 à 16 (de préférence 9 à 12) pour cent en poids par rapport au poids du surfactant non-ionique, et dans laquelle le rapport pondéral acide gras : alcool gras se situe dans la fourchette de 0,7 à 1,2 : 1 (de préférence 0,9 à 1,05 : 1).
  14. Une méthode selon l'une quelconque des revendications 11 à 13 dans laquelle l'alcool gras représente 0,75 à 1,25% en poids et l'acide gras représente 0,75 à 1,25% en poids.
  15. Une composition selon l'une quelconque des revendications 1 à 6 ou une méthode selon l'une quelconque des revendications 11 à 17 dans laquelle l'acide gras est l'acide stérique est l'alcool gras comprend de l'alcool cétylique.
  16. Une méthode selon l'une quelconque des revendications 11 à 14 dans laquelle l'adjuvant comprend un zéolite insoluble dans l'eau.
EP19940308137 1994-11-04 1994-11-04 Poudre détergente dispensable Revoked EP0710717B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE1994608146 DE69408146T2 (de) 1994-11-04 1994-11-04 Aus einem Spender verteilbares Pulvermittel
ES94308137T ES2111260T3 (es) 1994-11-04 1994-11-04 Detergente en polvo para dispensadores.
EP19940308137 EP0710717B1 (fr) 1994-11-04 1994-11-04 Poudre détergente dispensable
HK98109332A HK1008432A1 (en) 1994-11-04 1998-07-21 Dispensable powder detergent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19940308137 EP0710717B1 (fr) 1994-11-04 1994-11-04 Poudre détergente dispensable

Publications (2)

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EP0710717A1 EP0710717A1 (fr) 1996-05-08
EP0710717B1 true EP0710717B1 (fr) 1998-01-21

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EP19940308137 Revoked EP0710717B1 (fr) 1994-11-04 1994-11-04 Poudre détergente dispensable

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EP (1) EP0710717B1 (fr)
DE (1) DE69408146T2 (fr)
ES (1) ES2111260T3 (fr)

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Publication number Priority date Publication date Assignee Title
GB9826105D0 (en) † 1998-11-27 1999-01-20 Unilever Plc Detergent compositions

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Publication number Priority date Publication date Assignee Title
US3216946A (en) * 1961-12-01 1965-11-09 Curtin Leo Vincent Cleaning and detergent compositions
DE3822479A1 (de) * 1988-07-02 1990-02-08 Henkel Kgaa Waschmitteladditiv mit verbessertem einspuelverhalten
GB8822456D0 (en) * 1988-09-23 1988-10-26 Unilever Plc Detergent compositions & processes for preparing them
DE4021265A1 (de) * 1990-07-04 1992-01-09 Kreussler Chem Fab Verwendung gesaettigter sekundaerer alkohole
GB9104644D0 (en) * 1991-03-05 1991-04-17 Stainer Philip J A non-toxic liquid for the cleaning of paint brushes

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DE69408146D1 (de) 1998-02-26
DE69408146T2 (de) 1998-08-27
EP0710717A1 (fr) 1996-05-08
ES2111260T3 (es) 1998-03-01

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