EP0414581B2 - Compositions de blanchiment pour textiles, efficaces aux basses températures - Google Patents
Compositions de blanchiment pour textiles, efficaces aux basses températures Download PDFInfo
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- EP0414581B2 EP0414581B2 EP90401635A EP90401635A EP0414581B2 EP 0414581 B2 EP0414581 B2 EP 0414581B2 EP 90401635 A EP90401635 A EP 90401635A EP 90401635 A EP90401635 A EP 90401635A EP 0414581 B2 EP0414581 B2 EP 0414581B2
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- EP
- European Patent Office
- Prior art keywords
- bleaching
- compositions
- complexes
- catalytic
- contain
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3902—Organic or inorganic per-compounds combined with specific additives
- C11D3/3905—Bleach activators or bleach catalysts
- C11D3/3932—Inorganic compounds or complexes
Definitions
- the present invention relates to detergent compositions having a bleaching effect on the textiles, adapted to contain a bleaching system based on peroxide compounds and complexes of divalent metals with atomic number between 25 and 29 (or their precursors), which have, under the washing conditions, a positive net charge and act as catalysts for decomposition of peroxides, increasing the bleaching efficiency of detergent compositions low temperatures.
- peroxides such as hydrogen peroxide, persalts minerals such as perborates, percarbonates, persulfates, perphosphates and the like, and organic percarboxylic acids.
- Another solution described to improve the behavior of detergents with cleaning agents peroxidized bleaching consists of incorporating small quantities of metal cations into the formulation in the form of coordination complexes, so that the intrinsic capacity of metal cations to decomposing peroxides remains controlled, which provides a beneficial effect on the effectiveness of bleaching of peroxides, as described, for example, in British Patent No. 984,459, U.S. Patent Nos. 3,156,654 and 3,532,634, EP patent application No. 0,272,030 and the application for Patent DE-A-n ° 30 02 271.
- Said complexes do not act by regulating the amount of free metal so that the latter is that which effectively catalyzes decomposition; instead, it is the complexes themselves, or the complex species that they produce in solution, which catalyze this decomposition on substrates to bleaching, which results in superior bleaching efficiency at low temperatures to that which is obtained with a catalysis by free metal.
- the object of the present invention is thus to produce a detergent and bleaching composition stable which contains a bleaching system consisting of a peroxide compound and a soluble salt of a divalent heavy metal cation with atomic number between 25 and 29 and a sequestering agent capable to form, with the metal salt, in the washing bath, a catalytic complex comprising a charge positive residual, and which is capable of providing maximum bleaching efficiency in hard waters and at low temperatures.
- the metal cation salt and the sequestering agent can be incorporated into detergent and bleaching compositions as such or in the form of the preformed complex.
- detergent compositions which contain a system of bleaching based on a peroxidized compound and a catalytic metal complex or its precursors, according to what has been described in the above paragraph, and which are suitable for enhancing the effectiveness of the bleaching system in the washing operation.
- anionic surfactants which are another of the key ingredients of the majority of detergent formulations can also hinder the catalytic activity of catalysts whitening described above.
- the content of alkaline earth cations in the washing bath which is usually designated by the term "hardness” also has a negative influence on the catalytic bleaching activity.
- said sequestering agents destroy the catalytic complexes by competing with the ligands of which they are made up.
- Zeolites contain zeolites, replacing mineral phosphates, as adjuvants of detergency. Zeolites have good detergency builder power without having power sequestrant which would allow them to compete with the ligands of the catalytic complex, inactivating the latter.
- zeolites have the additional beneficial effect, when used to absorb the bleaching catalyst on themselves, thereby incorporating it into detergent compositions.
- said additional beneficial effect is a decrease in the rate of decomposition of peroxides from whitening, which makes one take advantage of their whitening power in a more effective way.
- zeolites as a support for bleaching catalysts of the cation salt type free metal is described in European patent applications No. 224 952 and 224 953, where are described compositions which contain manganese (+2) absorbed on zeolites, so that one prevents oxidation of manganese to manganese oxide, which can cause stains on fabrics, further improving the storage stability of the bleaching compositions which contain said system.
- compositions described in the present invention said drawbacks are not encountered, because the metal catalysts used do not undergo transformation by oxidation in cash capable of causing stains on washed fabrics.
- compositions in question can contain any type of cationic surfactants, amphoteric, zwitterionic, nonionic and anionic.
- anionic surfactants have a negative effect on catalysis, as indicated above.
- compositions according to the invention may also contain constituents such as surfactants other categories, foam regulators, bleach activators of the precursor type peroxides, polymers that inhibit incrustation and redeposition, structuring salts and / or alkalis, optical brighteners, photoactivators, tinting agents, colorants, perfumes and, in general, any type of additive that is commonly used in detergents.
- constituents such as surfactants other categories, foam regulators, bleach activators of the precursor type peroxides, polymers that inhibit incrustation and redeposition, structuring salts and / or alkalis, optical brighteners, photoactivators, tinting agents, colorants, perfumes and, in general, any type of additive that is commonly used in detergents.
- the bleaching catalysts suitable for practicing the present invention are those formed from the salts of divalent metal cations having an atomic number between 25 and 29 with sequestering agents which form with said cations complexes which, at the usual alkaline pHs in washing, have a positive residual charge and have free coordination positions, or can undergo transformations, in the washing bath, into species which have said positions of free coordination.
- Said catalysts can be incorporated into the formulations which are the subject of the present invention, either in the form of preformed complexes, or in the form of precursors of said complexes, in which case the latter are formed when the compositions are placed in aqueous solution.
- precursors of catalytic complexes we must hear the salts of divalent cations with atomic number between 25 and 29 and the sequestering agents which form with said salts the complexes described in the paragraph above.
- these complexes are those formed by the divalent metal salts of number atomic between 25 and 29 with diamines whose nitrogen atoms are separated by a chain of at most five atoms, these diamines being able to be substituted or unsubstituted, the substituents being able to have functional groups by means of which diamines may or may not establish points of additional fixation with the divalent metal with which they form the complexes.
- these complexes are those formed by divalent copper or divalent manganese with polyamines such as ethylenediamine, diethylenetriamine, 1,3-propylenediamine, 1,2-propylenediamine and 1,2-cyclohexylenediamine.
- Additional examples are the complexes formed by macrocyclic compounds such as 1,4,8,11-tetraaza-2,3,9,10-tetramethylcyclotetradeca-1,3,8,10-tetraene and the divalent copper and divalent manganese.
- the peroxidized bleaches suitable for practicing the present invention are mineral persalts, both those which are real persalts and those which are compounds of addition of mineral salts and hydrogen peroxide.
- Examples of this type of bleach are alkaline perborates, such as sodium perborate, mono- or tetrahydrate, and alkaline percarbonates.
- the mineral phosphates mentioned in the description include orthophosphates, pyrophosphates and alkali metal polyphosphates, and in particular sodium and potassium tripolyphosphates in their different degrees of hydration.
- alkaline aluminosilicates ion exchangers or zeolites it is also possible to use both crystalline and amorphous or that amorphous / crystalline mixtures, both of natural origin synthetic origin.
- zeolites of formula (Na 2 O) P x , (Al 2 O 3 ) y , (SiO 2 ) z , wH 2 O, in which x is equal to 1, y has a value from 0.6 to 1.3 and is preferably about 1, za a value from 1 to 4 and preferably from 2 to 3 or about 2, and wa a value from 0 to 9 and preferably from 2.5 to 6.
- Aluminosilicates of this type are commercially available products and are usually called zeolites A and X or their mixtures.
- the surfactant system includes different types of compounds.
- the surfactants synthetic anionics those suitable for use in the present invention including soluble salts of alkylbenzenesulfonates, alkylsulfates, alkyl (polyether) sulfates, ⁇ -olefinsulfonates, paraffin sulfonates, alkylglyceryl ether sulfonates, ⁇ -sulfocarboxylates and their esters, sulfates and sulfonates of monoglycerides fatty acids, alkylphenol (polyether) sulfates and the like.
- alkylbenzenesulfonates are preferred of alkali metal, the alkyl chain of which is essentially linear and contains a number carbon atoms between 10 and 14.
- surfactants used are nonionic surfactants, among which can be used those of the polyoxyalkylenated fatty alcohol type with a number of moles of alkylene oxide per mole of fatty alcohol of between 2 and 20, and preferably between 3 and 15, and said fatty alcohols having linear or partially branched chains comprising a number of carbon atoms between 8 and 22.
- nonionic surfactants are the products of the oxyethylenation of lauryl alcohol and the products of l oxyethylenation of synthetic alcohols found on the market under brands such as Dobanol R , Synperonic R , Lutensol R or Lial R.
- nonionic surfactants are reaction products of alkylene oxides. with alkylphenols in which the alkyl radical contains a number of carbon atoms included between 7 and 11, so that the number of moles of alkylene oxide per mole of alkylphenol is included between 3 and 20, and preferably between 5 and 12.
- soaps of fatty acids saturated or unsaturated, comprising a number of carbon atoms between 8 and 24.
- alkaline salts of fatty acids mainly saturated, which preferably contain between 10 and 20 atoms of carbon
- alkaline salts of mixtures of fatty acids derived from tallow and coconut and palm oils being particularly preferred.
- Aminopolycarboxylic acids or their salts such as ethylenediaminetetraacetic acid or nitrilotriacetic, and the like, are suitable for use as potent sequestering agents.
- the organic phosphonic acids or their salts and hydroxycarboxylates or their salts are suitable also.
- proteolytic or amylolytic enzymes such as those which are found on the market under the brands Maxatase R and Alcalase R.
- Cationic surfactants of the quaternary ammonium salt type in which at least one or two of the alkyl radicals are linear or partially branched C 8 -C 18 carbon chains, can also be incorporated.
- amphoteric surfactants which can also be used, are water-soluble derivatives secondary and tertiary aliphatic amines in which the aliphatic radical may contain a linear or branched chain, and, among the water-soluble derivatives, one of the substituents contains from 8 to 18 carbon atoms and another is made up of an anionic group like, for example, a group carboxy, sulfonate, phosphate or phosphonate.
- surfactants known as surfactants with hybrid or zwitterionic ions such as water-soluble derivatives of cationic aliphatic compounds with ammonium groups quaternary, phosphoric and sulfonic, in which the radicals can comprise a chain linear or branched and in which one of the aliphatic substituents contains from 8 to 18 atoms of carbon and another contains an anionic group which is soluble in water.
- Substances that help prevent redeposition of dirt on the tissue during the operation washing can also be added.
- Examples are cellulose derivatives like its carboxyalkylated or hydroxyalkylated compounds.
- compositions of the present invention is the structuring salts, among which there are a large number of mineral salts which are neutral to hydrolysis and which have a high water solubility.
- structuring salts among which there are a large number of mineral salts which are neutral to hydrolysis and which have a high water solubility.
- mineral salts which are neutral to hydrolysis and which have a high water solubility.
- Alkalizing agents suitable for these compositions are the alkali metal salts derived carbonic, orthosilicic, metasilicic acids and the like.
- Anionic fluorescent brighteners also known as optical brighteners, can also be used.
- these type of products those which are most suitable are the water-soluble sulphonated derivatives of stilbenes and the water-soluble sulphonated derivatives of distyrylbiphenyl.
- these products sold by Ciba-Geigy, among which we can mention those of the brands Tinopal R 5BMS, Tinopal R DMS, Tinopal R LMS-X and Tinopal R CBS-X.
- Said polymers are the water-soluble salts of polycarboxylic homo- or copolymers having a configuration such that the carboxylic radicals are separated from one another by one or two carbon atoms.
- Products of this type are homo or copolymers of monomer units such as, for example, maleic anhydride, maleic acid, methylvinyl ether, acrylic acid, methacrylic acid, and the like. These products are found on the market under names such as Sokalan R , Gantrez R , Primal R and the like.
- foaming regulators for soaps or surfactants non-ionic having a high degree of oxyethylenation, such as, for example, waxes, hydrocarbons saturated, phosphoric acid esters and silicones.
- silicones like combinations of dialkylpolysiloxanes with finely divided silica and silane silicas or, alternatively, copolymers of dialkylpolysiloxanes with glycol or ethylene oxide radicals.
- Said special silicones are marketed by the firm Dow Corning under the references Q2-3092, DB-100, DC-190, DC-193, DC-198. Said silicones can be used as presented by the supplier, or else protected by granulation and coating with inert materials to avoid their interaction with the constituents of the detergent composition.
- EMPA-114 corresponds to stained standard cotton fabrics red wine according to the standards of the Eidgenössiche Materialierithese of Switzerland.
- C1 Sodium perborate monohydrate.
- C2 Cupric chloride dihydrate.
- C3 Diethylenetetramine.
- C4 Ethylenediamine.
- C5 Alkyl (linear in C 12 ) sodium benzenesulfonate.
- C6 Mixture of tallow soap and fish soap with 16% C 20 -C 22 .
- C7 Hydrogenated tallow with 11 moles of ethylene oxide.
- C8 Prehydrated pentasodium tripolyphosphate.
- C9 Wessalith R type A crystalline zeolite from Degussa.
- C10 SOKALAN R CP-5 polyacrylate of low molecular weight.
- C11 Sodium ethylenediaminetetraacetate (EDTA).
- C12 Sodium nitrilotriacetate Trilon R A in spray form of BASF.
- C13 Hexasodium salt of ethylenediaminetetramethylenephosphonic acid Dequest R 2046 from Monsanto.
- C14 Sodium carbonate.
- C15 Anhydrous sodium sulfate.
- C16 Carboxymethylcellulose sodium.
- C18 H 2 O.
- Detergent compositions are prepared according to the following formulations: FORMULATIONS OF THE DETERGENT COMPOSITIONS STUDIED 1 2 3 4 5 6 7 8 9 C1 8.57 8.57 8.57 8.57 8.57 8.57 8.57 8.57 C2 0.115 0.172 0.115 0.172 0.115 0.115 0.172 0.119 0.118 C3 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- C4 0.081 0.122 0.086 0.128 0.086 0.081 --- 0.078 0,085 C5 4.00 4.00 3.21 3.21 3.21 4.00 6.60 --- C6 1.50 1.50 2.00 2.00 --- --- 1.50 2.64 --- C7 6.42 6.42 5.00 5.00 5.00 6.42 3.60 --- C8 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 23,04 --- C9 17.86 17.86 17.86 17.86 17.86 17.
- Examples 1 to 7 correspond to compositions according to what is described in the present invention and, for this reason, all these compositions provide high whitening efficiency in washing EMPA-114 stains, which leads to high reflectance values.
- Example 8 corresponds to a detergent composition which does not meet the conditions of the present invention.
- Example 9 corresponds to reference compositions and contains only perborate and a catalyst in the absence of any other constituent, and offers the same concentration of perborate in the bath as the compositions of Examples 1 to 8.
- compositions of Examples 1 to 9 are studied by washing standard stains with them using of the washing process described below.
- the fabrics are removed from the layer machine and dried at room temperature.
- the reflectance measurements are made in an Ultrascan device from the company Hunterlab, with a 9.5 V and 55 W JCR type halogen lamp, with D65 / 10 ° type light, inclusion of gloss and an ultraviolet filter.
- Examples 1 to 7 which correspond to detergent bleaching compositions which fulfill the conditions described in the present invention provide higher reflectances of the washed fabrics than those obtained by washing with a composition which contains only perborate and a catalyst (Example 9).
- the composition of Example 8 which does not meet the conditions of the present invention, provides an even lower reflectance than that obtained with the reference composition of the example 9.
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (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)
- Detergent Compositions (AREA)
Description
| C1 | : Perborate de sodium monohydraté. |
| C2 | : Chlorure cuivrique dihydraté. |
| C3 | : Diéthylènetétramine. |
| C4 | : Ethylènediamine. |
| C5 | : Alkyl(linéaire en C12)benzènesulfonate de sodium. |
| C6 | : Mélange de savon de suif et de savon de poisson avec 16% de C20-C22. |
| C7 | : Alcool de suif hydrogéné avec 11 moles d'oxyde d'éthylène. |
| C8 | : Tripolyphosphate pentasodique préhydraté. |
| C9 | : Zéolithe cristalline de type A WessalithR de Degussa. |
| C10 | : Polyacrylate SOKALANR CP-5 de faible masse moléculaire. |
| C11 | : Ethylènediaminetétraacétate de sodium (EDTA). |
| C12 | : Nitrilotriacétate de sodium TrilonR A sous forme pulvérisée de BASF. |
| C13 | : Sel hexasodique de l'acide éthylènediaminetétraméthylènephosphonique DequestR 2046 de Monsanto. |
| C14 | : Carbonate de sodium. |
| C15 | : Sulfate de sodium anhydre. |
| C16 | : Carboxyméthylcellulose sodique. |
| C17 | : Silicate de sodium avec un rapport Na2O/SiO2 = 1:2,3. |
| C18 | : H2O. |
| FORMULATIONS DES COMPOSITIONS DETERGENTES ETUDIEES | |||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| C1 | 8,57 | 8,57 | 8,57 | 8,57 | 8,57 | 8,57 | 8,57 | 8,57 | 8,57 |
| C2 | 0,115 | 0,172 | 0,115 | 0,172 | 0,115 | 0,115 | 0,172 | 0,119 | 0,118 |
| C3 | --- | --- | --- | --- | --- | --- | 0,104 | --- | --- |
| C4 | 0,081 | 0,122 | 0,086 | 0,128 | 0,086 | 0,081 | --- | 0,078 | 0,085 |
| C5 | 4,00 | 4,00 | 3,21 | 3,21 | 3,21 | 3,21 | 4,00 | 6,60 | --- |
| C6 | 1,50 | 1,50 | 2,00 | 2,00 | --- | --- | 1,50 | 2,64 | --- |
| C7 | 6,42 | 6,42 | 5,00 | 5,00 | 5,00 | 5,00 | 6,42 | 3,60 | --- |
| C8 | --- | --- | --- | --- | --- | --- | --- | 23,04 | --- |
| C9 | 17,86 | 17,86 | 17,86 | 17,86 | 17,86 | 17,86 | 17,86 | --- | --- |
| C10 | 2,14 | 2,14 | 2,14 | 2,14 | 2,14 | 2,14 | 2,14 | 1,20 | --- |
| C11 | 0,10 | 0,10 | --- | --- | --- | --- | 0,10 | --- | --- |
| C12 | --- | --- | --- | --- | --- | --- | --- | 3,60 | --- |
| C13 | --- | --- | 0,040 | 0,040 | 0,040 | 0,040 | --- | 0,144 | --- |
| C14 | 6,00 | 6,00 | 7,14 | 7,14 | 7,14 | 7,14 | 6,00 | 3,60 | --- |
| C15 | 41,58 | 41,49 | 40,63 | 40,53 | 36,63 | 36,63 | 41,51 | 38,48 | --- |
| C16 | 0,63 | 0,63 | 0,78 | 0,78 | 0,78 | 0,78 | 0,63 | 0,756 | --- |
| C17 | 6,00 | 6,00 | 7,43 | 7,43 | 7,43 | 7,43 | 6,00 | 2,57 | --- |
| C18 | 5,00 | 5,00 | 5,00 | 5,00 | 3,00 | 3,00 | 5,00 | 5,00 | 91,23 |
| R 10 | |
| 1 | 66,2 |
| 2 | 66,4 |
| 3 | 65,2 |
| 4 | 64,2 |
| 5 | 63,8 |
| 6 | 63,9 |
| 7 | 64,5 |
| 8 | 59,4 |
| 9 | 62,3 |
Claims (7)
- Compositions détergentes et de blanchiment pour le lavage des textiles, qui sont efficaces dans les eaux dures et aux basses températures, caractérisées en ce qu'elles contiennent les constituants essentiels suivants :A. De 0,001% à 1,5%, exprimé en poids du cation métallique, d'un complexe catalytique formé de sels de métaux divalents de numéro atomique compris entre 25 et 29 et d'agents séquestrants qui forment des complexes catalytiques chargés positivement avec lesdits cations métalliques dans le bain de lavage, ledit catalyseur étant présent sous forme du complexe ou de ses précurseurs.B. De 1 à 30% d'agents de blanchiment peroxydés.C. De 0% à 1% d'adjuvants de détergence du type phosphate ou polyphosphate minéral.D. De 5% à 40% d'aluminosilicates alcalins, également connus sous le nom de zéolithes.E. De 3% à 25% de tensioactifs non ioniques et/ou anioniques, de façon que le rapport en poids des tensioactifs anioniques aux tensioactifs non ioniques soit inférieur à 2,0.F. De 0% à 0,2% d'agents séquestrants puissants.
- Compositions détergentes de blanchiment selon la revendication précédente, caractérisées en ce que les agents séquestrants qui participent aux complexes catalytiques forment des complexes avec le cuivre divalent ayant des constantes de formation supérieures à 1015.
- Compositions détergentes de blanchiment selon les revendications 1 et 2, caractérisées en ce que les ligands qui forment le complexe catalytique sont des diamines dont les atomes d'azote sont séparés par une chaíne d'au plus cinq atomes, ces diamines pouvant être substituées ou non substituées, les substituants pouvant comporter des groupes fonctionnels au moyen desquels les diamines peuvent ou non établir des points de fixation supplémentaires avec le métal divalent avec lequel elles forment les complexes.
- Compositions selon la revendication 1, caractérisées en ce que le cation métallique qui participe aux complexes catalytiques est le cuivre ou le manganèse.
- Compositions selon la revendication 1, caractérisées en ce qu'elles contiennent des mélanges de zéolithes cristallines de synthèse de types A et/ou X.
- Compositions selon la revendication 1, caractérisées en ce qu'elles contiennent, comme tensioactifs anioniques, des sels solubles d'alkylbenzènesulfonates linéaires et, comme tensioactifs non ioniques, des alcools gras polyoxyalkylénés avec un nombre de moles d'oxyde d'alkylène par mole d'alcool compris entre 2 et 20, lesdits alcools gras ayant des chaínes linéaires ou partiellement ramifiées comportant un nombre d'atomes de carbone compris entre 8 et 22.
- Utilisation, pour le lavage et le blanchiment de fibres textiles aux basses températures, de compositions détergentes de blanchiment qui sont efficaces dans les eaux dures et aux basses températures, caractérisées en ce qu'elles contiennent les constituants essentiels suivants:A. De 0,001% à 1,5%, exprimé en poids du cation métallique, d'un complexe catalytique formé de sels de métaux divalents de numéro atomique compris entre 25 et 29 et d'agents séquestrants qui forment des complexes catalytiques chargés positivement avec lesdits cations métalliques dans le bain de lavage, ledit catalyseur étant présent sous forme du complexe ou de ses précurseurs.B. De 1 à 30% d'agents de blanchiment peroxydés.C. De 0% à 1% d'adjuvants de détergence du type phosphate ou polyphosphate minéral.D. De 5% à 40% d'aluminosilicates alcalins, également connus sous le nom de zéolithes.E. De 3% à 25% de tensioactifs non ioniques et/ou anioniques, de façon que le rapport en poids des tensioactifs anioniques aux tensioactifs non ioniques soit inférieur à 2,0.F. De 0% à 0,2% d'agents séquestrants puissants.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES8902082A ES2016465A6 (es) | 1989-06-14 | 1989-06-14 | Composiciones detergentes y blanqueantes para el lavado de textiles eficaces en aguas duras y a bajas temperaturas, y utilizacion de las mismas. |
| ES8902082 | 1989-06-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0414581A1 EP0414581A1 (fr) | 1991-02-27 |
| EP0414581B1 EP0414581B1 (fr) | 1995-09-20 |
| EP0414581B2 true EP0414581B2 (fr) | 2003-10-15 |
Family
ID=8262530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90401635A Expired - Lifetime EP0414581B2 (fr) | 1989-06-14 | 1990-06-13 | Compositions de blanchiment pour textiles, efficaces aux basses températures |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0414581B2 (fr) |
| AT (1) | ATE128178T1 (fr) |
| DE (1) | DE69022515T3 (fr) |
| ES (2) | ES2016465A6 (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2085642A1 (fr) * | 1991-12-20 | 1993-06-21 | Ronald Hage | Activation de blanchiment |
| GB9127060D0 (en) * | 1991-12-20 | 1992-02-19 | Unilever Plc | Bleach activation |
| US6069123A (en) * | 1995-06-30 | 2000-05-30 | Procter & Gamble Company | Peroxygen bleach-containing prespotting compositions with polyamine stabilizers providing improved fabric/color safety |
| EP0832969B1 (fr) * | 1996-09-26 | 2004-11-17 | Henkel Kommanditgesellschaft auf Aktien | Composé catalytique actif pour améliorer l'efficacité de blanchiment |
| US6069122A (en) * | 1997-06-16 | 2000-05-30 | The Procter & Gamble Company | Dishwashing detergent compositions containing organic diamines for improved grease cleaning, sudsing, low temperature stability and dissolution |
| US6727212B2 (en) | 1997-11-10 | 2004-04-27 | The Procter & Gamble Company | Method for softening soil on hard surfaces |
| PL344646A1 (en) | 1998-06-02 | 2001-11-19 | Procter & Gamble | Dishwashing detergent compositions containing organic diamines |
| GB0103526D0 (en) * | 2001-02-13 | 2001-03-28 | Unilever Plc | Composition and method for bleaching a substrate |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3002271A1 (de) * | 1980-01-23 | 1981-07-30 | VEB Waschmittelwerk Genthin, Stammbetrieb, DDR 3280 Genthin | Bleichmittel |
| US4478733A (en) * | 1982-12-17 | 1984-10-23 | Lever Brothers Company | Detergent compositions |
| GB8329762D0 (en) * | 1983-11-08 | 1983-12-14 | Unilever Plc | Manganese adjuncts |
| US4655782A (en) * | 1985-12-06 | 1987-04-07 | Lever Brothers Company | Bleach composition of detergent base powder and agglomerated manganese-alluminosilicate catalyst having phosphate salt distributed therebetween |
-
1989
- 1989-06-14 ES ES8902082A patent/ES2016465A6/es not_active Expired - Lifetime
-
1990
- 1990-06-13 DE DE69022515T patent/DE69022515T3/de not_active Expired - Lifetime
- 1990-06-13 EP EP90401635A patent/EP0414581B2/fr not_active Expired - Lifetime
- 1990-06-13 ES ES90401635T patent/ES2078955T5/es not_active Expired - Lifetime
- 1990-06-13 AT AT90401635T patent/ATE128178T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2078955T3 (es) | 1996-01-01 |
| EP0414581B1 (fr) | 1995-09-20 |
| DE69022515T2 (de) | 1996-05-15 |
| DE69022515D1 (de) | 1995-10-26 |
| ES2078955T5 (es) | 2004-05-16 |
| EP0414581A1 (fr) | 1991-02-27 |
| DE69022515T3 (de) | 2004-06-03 |
| ATE128178T1 (de) | 1995-10-15 |
| ES2016465A6 (es) | 1990-11-01 |
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