[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

WO1992006167A1 - Produit de lavage contenant du percarbonate - Google Patents

Produit de lavage contenant du percarbonate Download PDF

Info

Publication number
WO1992006167A1
WO1992006167A1 PCT/EP1991/001872 EP9101872W WO9206167A1 WO 1992006167 A1 WO1992006167 A1 WO 1992006167A1 EP 9101872 W EP9101872 W EP 9101872W WO 9206167 A1 WO9206167 A1 WO 9206167A1
Authority
WO
WIPO (PCT)
Prior art keywords
weight
component
water
percarbonate
bleaching
Prior art date
Application number
PCT/EP1991/001872
Other languages
German (de)
English (en)
Inventor
Heinz-Manfred Wilsberg
Rolf Puchta
Rainer Salz
Peter Krings
Original Assignee
Henkel Kommanditgesellschaft Auf Aktien
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6415871&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1992006167(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Henkel Kommanditgesellschaft Auf Aktien filed Critical Henkel Kommanditgesellschaft Auf Aktien
Priority to DE59106781T priority Critical patent/DE59106781D1/de
Priority to EP91917296A priority patent/EP0552193B1/fr
Priority to JP3515475A priority patent/JPH06501723A/ja
Publication of WO1992006167A1 publication Critical patent/WO1992006167A1/fr

Links

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
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/02—Preparation in the form of powder by spray drying
    • 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
    • C11D3/3907—Organic compounds

Definitions

  • the invention relates to a powdered bleach and detergent for use in household laundry, which can be added to the wash liquor as the sole active cleaning agent or which enhances the cleaning action of a conventional detergent.
  • Bleaching agents which contain a combination of an inorganic peroxide or perhydrate as a bleaching system with a bleach activator which forms an organic peracid under washing conditions have been known for a long time.
  • the most frequently used bleaching components containing active oxygen are the alkali perborates, percarbonates, persulfates and persilicates, among which sodium perborate, which is used as tetra- or monohydrate, occupies a dominant position.
  • activators those compounds are generally used which, under hydrolysis or perhydrolysis conditions, split off carboxylic acids or percarboxylic acids, the majority of those compounds being used which deliver peracetic acid in the presence of the oxidizing agents mentioned.
  • the invention is a storage-stable, essentially phosphate-free powdery bleach and detergent mixture containing alkali percarbonate, bleach activator, surfactant and builder, which is characterized in that it contains 3 powder-form components , wherein component A is a powder produced by spray drying, containing anionic surfactant, water-soluble and / or insoluble builder and less than 3% by weight of water, component B contains the alkali carbonate and component C contains the activator for the percarbonate with which Provided that there are 10% by weight to 93% by weight, preferably 20% by weight to 85% by weight and in particular 40% by weight to 80% by weight of component A, 5% by weight.
  • % to 70% by weight preferably 13% to 60% by weight and in particular 18% by weight to 50% by weight of component B and 2% by weight to 20% by weight, preferably Contains 2 wt .-% to 10 wt .-% of component C.
  • the amounts of water of the powder components specified in the context of the present invention relate to water which can be expelled when heated to a temperature of 200.degree.
  • the phrase "essentially free” means that the substance or component mentioned consists for the most part of the substance or substances mentioned and that no additives of which they are added are added during the preparation of the agents according to the invention should be essentially free.
  • certain starting substances may contain small amounts of other substances due to the manufacturing process, but these do not have a negative effect in the context of the present invention.
  • commercially available sodium percarbonate can contain small amounts, usually below 5% by weight, of phosphate.
  • the agent according to the invention preferably has a bulk density of not more than 800 grams per liter, in particular from 300 to 800 grams per liter and particularly preferably from 400 to 700 grams per liter. It will preferably used as an additive to detergent-containing liquors, in particular in the temperature range from 30 ° C. to 60 ° C., to enhance the bleaching effect (bleach booster), but can also be used to clean contaminated textiles, especially if only with relatively small amounts of non-bleachable soiling are to be used as the sole active cleaning component of the wash liquor.
  • the builder contained in component A is a water-soluble or a water-insoluble compound or a mixture of two or more of such compounds.
  • Zen suitable Bui ldersubstan- are in particular those from the classes of Polycarbonklarp * 1, more particularly sondere polymeric acrylic acids, methacrylic acids, maleic acids and upolymere from these, layered silicates, in particular bentonites, aluminum osilikate, ins ⁇ particular zeolites, alkali ikate, especially sodium silicate, and Alkali carbonates, especially sodium carbonate.
  • the aforementioned polycarboxylic acids are usually used in the form of their alkali salts, in particular their sodium or potassium salts.
  • the zeolites which are preferably incorporated are in particular those of the NaA or NaX type or mixtures thereof.
  • alkali silicates those with molar ratios of SiO 2 to alkali oxide in the range from 1.5 to 3.0 are preferred.
  • Such builder substances are preferably present in component A in amounts from 20% by weight to 90% by weight, in particular from 40% by weight to 80% by weight.
  • Suitable anionic surfactants are in particular those of the sulfate or sulfonate type, but other types such as soaps, long-chain N-acyl sarcosinates, salts of fatty acid cyanamides or salts of ether carboxylic acids, such as those obtainable from long-chain alkyl or alkylphenyl polyglycol ethers and chloroacetic acid, can also be used are used.
  • the anionic surfactants are preferably used in the form of the sodium salts. Such surfactants are contained in component A preferably in amounts of 2% by weight to 30% by weight, in particular 5% by weight to 20% by weight.
  • Particularly suitable surfactants of the sulfate type are the sulfuric acid monoesters of long-chain primary alcohols of natural and synthetic origin with 10 to 20 carbon atoms, that is to say of fatty alcohols such as, for example, coconut fatty alcohols, tallow fatty alcohols, oleyl alcohol, or the CQ- to C20-0 alcohols and those of secondary alcohols of these chain lengths.
  • the sulfuric acid monoesters of the aliphatic primary alcohols, secondary alcohols or alkylphenols ethoxylated with 1 to 6 moles of ethylene oxide are suitable.
  • Sulfated fatty acid alkanols and sulfated fatty acid monoglycerides are also suitable.
  • the surfactants of the sulfonate type are primarily the alkylbenzenesulfonates with Cg to C ⁇ alkyl groups, sulfosuccinic acid onoesters and diesters with 6 to 22 C atoms in the alcohol parts and the esters of ⁇ -sulfofatty acids , for example the ⁇ -sulfonated methyl or ethyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.
  • alkanesulfonates which can be obtained from C 1 -C 2 -cig-alkanes by sulfochlorination or sulfoxidation and subsequent hydrolysis or neutralization or by bisulfite addition to olefins
  • olefinsulfonates that is to say mixtures of alkene and hydroxyalkanesulfonates and disulfonates, as obtained, for example, from long-chain monoolefins with a terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products.
  • alkylbenzenesulfonates with linear Cg to C15 alkyl groups the fatty alcohol sulfates with 12 to 18 C atoms and mixtures of these surfactants are particularly preferred.
  • powder component A can contain inorganic filler salt, preferably in amounts not exceeding 50% by weight, in particular 1% by weight to 30% by weight.
  • filling salts include, in particular, the alkali chlorides and alkali sulfates.
  • Component A of the bleaching and washing agent according to the invention which contains builder and surfactant, is prepared in a manner known in principle by spray drying an aqueous suspension or slurry. Care should be taken to ensure that drying takes place in such a way that component A contains no more than 3% by weight of water.
  • a suspension of the containing about 30 wt .-% to 65 wt .-% water Ingredients of powder component A heated to temperatures of about 40 ° C to 100 ° C and sprayed by means of nozzles under an atomizing pressure of about 20 to 120 bar, in particular from 30 to 60 bar, in a falling roughness, in the cocurrent or preferably in the countercurrent Drying gases are introduced, which have inlet temperatures of about 150 ° C to about 350 ° C, in particular from 200 ° C to 250 ° C.
  • the powders produced in this way normally contain less than 5% of constituents with grain sizes of less than 0.1 mm; any higher dust particles that may occur can be removed by simple sieving and returned to the production process.
  • the powder component A thus produced preferably has a bulk density of 250 grams per liter to 750 grams per liter.
  • Component B contains alkali percarbonate, which is preferably the sole constituent of this component.
  • Sodium percarbonate is particularly suitable, which, due to the production process, can contain small amounts, usually below 5% by weight, based on alkali percarbonate, of phosphate and, if appropriate, further salts.
  • Component B can be present as a crystallized or, optionally with the aid of granulation aids, granulated powder.
  • Suitable activator component C is any powder-formable compound that provides organic peracid under perhydrolysis conditions.
  • These include, in particular, N- or 0-acyl compounds, for example multiply acylated alkylenediamines, in particular tetraacetylethylenediamine, N-acylated triazines, in particular 1,5-diacetyl-2,4-dioxo-hexahydro-1,3,5-triazine, acylated glycolurils , in particular tetraacetylglycoluril, N-acylated hydantoins, hydrazides, triazoles, brazoles, diketopiperazines, sulphylamides and cyanurates, moreover carboxylic acid anhydrides, in particular phthalic anhydride, carboxylic acid esters, in particular sodium isononanoyl-phenolsulfonate, and acylated sugar derivatives, in particular pentacylateda
  • the bleach activator can be coated with coating substances in a known manner or, if appropriate using granulation aids, granulated and, if desired, contain further additives, for example dye.
  • the powder component C preferably contains more than 65% by weight, in particular more than 90% by weight of bleach activator.
  • a bleach activator is used which forms peracetic acid under the washing conditions.
  • TAED tetraacetylethylenediamine
  • TAED tetraacetylethylenediamine
  • the washing and bleaching agent according to the invention can contain water-soluble salts as a further powdery component which do not give off water of crystallization in the range from 1 ° C. to 45 ° C. and whose melting point is above 45 ° C.
  • water-soluble salts include in particular sodium chloride, anhydrous sodium carbonate, sodium nitrate, sodium acetate and mixtures thereof.
  • Such powdery components are preferably not contained in the compositions according to the invention in excess of 30% by weight, in particular from 5% by weight to 20% by weight.
  • the agent according to the invention can contain, in addition to the previously mentioned components, complexing agents for heavy metals, which increase both the storage stability, in particular the percarbonate component, and the bleaching action of the bleaching agent according to the invention under conditions of use.
  • Suitable complexing agents include amino polycarboxylic acids, in particular nitrilotriacetic acid, ethylenediaminetetraacetic acid, polyphosphonic acids, in particular aminotri- (methylenephosphonic acid), ethylenediaminetetra- (methylenephosphonic acid) and 1-hydroxyethane-1,1-diphosphonic acid, and in particular their alkali metal salts, in particular their Sodium salts.
  • Such complexing agents are preferably present in amounts not exceeding 10% by weight, in particular from 0.1% by weight to 2% by weight, based on the finished product. They can be part of component A, B or C and are preferably incorporated into the spray-dried powder (component A), in which they can be present in particular in amounts from 0.1% by weight to 10% by weight.
  • the washing and bleaching agent according to the invention can additionally, preferably in amounts not exceeding 10% by weight, in particular from 2% by weight to 6% by weight, based on the finished composition, contain nonionic surfactant, which may be present as part of the spray-dried component A or may have been sprayed onto the optionally available powdered water-soluble salt. If it is present as part of component A, in which it can preferably be present in amounts of not more than 10% by weight, in particular from 2% by weight to 6% by weight, the nonionic surfactant can be present as part of the aqueous Slurry also sprayed or sprayed onto the powder in a manner known in principle after the spray-drying of the remaining constituents.
  • the nonionic surfactants in question include alkyl polyglycosides with 10 to 22 carbon atoms in the alkyl part and the alkoxylates, in particular the ethoxylates and / or propoxylates of linear or branched-chain alcohols with 10 to 22 carbon atoms, preferably 12 to 18 C atoms.
  • the degree of alkoxylation of the alcohols is between 1 and 20, preferably between 3 and 10. They can be prepared in a known manner by reacting the corresponding alcohols with the corresponding alkylene oxides.
  • the derivatives of fatty alcohols are particularly suitable, although their branched chain isomers, in particular so-called oxo alcohols, can also be used to prepare alkoxylates which can be used.
  • the ethoxylates of primary alcohols with linear dodecyl, tetradecyl, hexadecyl or octadecyl radicals and mixtures thereof are particularly useful.
  • Corresponding ethoxylation and / or propoxylation products of alkylamines, vicinal diols and carboxylic acid amides which correspond to the alcohols mentioned with regard to the alkyl part and of alkylphenols having 5 to 12 carbon atoms in the alkyl radical can also be used.
  • the agent according to the invention can moreover contain further additives customary in bleaching and washing agents, such as enzymes, dyes and / or fragrances.
  • These constituents are preferably present in amounts of not more than 1% by weight, in particular from 0.05 to 0.5% by weight, based on the total agent. They can be part of one or more powder components or can be distributed more or less homogeneously over all powdery components.
  • the preparation of the agents according to the invention does not require any major technical effort.
  • simple mixing devices such as shovel or drum mixer in which the powdery components can be mixed.
  • the use of automatically operating belt scales in combination with free-fall mixers is also possible and is preferred for continuous production of the agents according to the invention.
  • the mixture can be carried out with simultaneous spraying of colorants and / or fragrances or liquid enzyme preparations.
  • Table 2 Composition of agents according to the invention [% by weight]
  • the detergents and bleaches Ml to M6 were free-flowing, non-clumping powders with bulk densities of about 560 to 620 grams per liter. They were stored at temperatures from 20 ° C. to 40 ° C. over a period of 24 weeks without any noticeable loss of activity, while similar formulations, the powder component A of which contained more than 3% by weight of water, showed clear decreases in theirs after only a few weeks Showed active oxygen content. In all cases, the bleaching performance of the detergents according to the invention was at least not worse than that of agents produced for comparison purposes, which contained sodium perborate instead of sodium percarbonate.

Landscapes

  • 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)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

Un produit de blanchiment et de lavage contient trois composants pulvérulents. Le composant A est une poudre produite par séchage par pulvérisation qui contient notamment entre 2 % et 40 % en poids d'un agent tensio-actif anionique, notamment entre 20 % et 90 % en poids d'un adjuvant soluble et/ou insoluble dans l'eau, pas plus de 50 % en poids d'un sel anorganique de charge, pas plus de 10 % en poids d'un complexant, pas plus de 10 % en poids d'un agent tensio-actif non ionique et moins de 3 % en poids d'eau. Le composant B contient du percarbonate alcalin et le composant C contient un activateur du percarbonate, à condition que le produit contienne entre 10 % et 93 % en poids du composant A, entre 5 % et 70 % en poids du composant B et entre 2 % et 20 % en poids du composant C.
PCT/EP1991/001872 1990-10-08 1991-09-30 Produit de lavage contenant du percarbonate WO1992006167A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE59106781T DE59106781D1 (de) 1990-10-08 1991-09-30 Percarbonathaltiges waschmittel.
EP91917296A EP0552193B1 (fr) 1990-10-08 1991-09-30 Produit de lavage contenant du percarbonate
JP3515475A JPH06501723A (ja) 1990-10-08 1991-09-30 過炭酸塩を含有する洗剤

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4031910.5 1990-10-08
DE4031910A DE4031910A1 (de) 1990-10-08 1990-10-08 Percarbonathaltiges waschmittel

Publications (1)

Publication Number Publication Date
WO1992006167A1 true WO1992006167A1 (fr) 1992-04-16

Family

ID=6415871

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1991/001872 WO1992006167A1 (fr) 1990-10-08 1991-09-30 Produit de lavage contenant du percarbonate

Country Status (6)

Country Link
EP (1) EP0552193B1 (fr)
JP (1) JPH06501723A (fr)
AT (1) ATE129521T1 (fr)
DE (2) DE4031910A1 (fr)
ES (1) ES2079678T3 (fr)
WO (1) WO1992006167A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996001887A1 (fr) * 1994-07-07 1996-01-25 Henkel Kommanditgesellschaft Auf Aktien Agent de lavage et de blanchiment en poudre
WO1996008554A1 (fr) * 1994-09-16 1996-03-21 Henkel Kommanditgesellschaft Auf Aktien Agent de lavage et de blanchiment en poudre contenant des enzymes
WO1996022355A1 (fr) * 1995-01-17 1996-07-25 Henkel Kommanditgesellschaft Auf Aktien Detergents et nettoyants de blanchiment sous forme de granulats
US5565422A (en) * 1995-06-23 1996-10-15 The Procter & Gamble Company Process for preparing a free-flowing particulate detergent composition having improved solubility
WO2000077159A1 (fr) * 1999-06-16 2000-12-21 Kao Corporation Particules d'addition a un detergent

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9021761D0 (en) * 1990-10-06 1990-11-21 Procter & Gamble Detergent compositions
AU2022249170A1 (en) 2021-04-01 2023-10-12 Sterilex, Llc Quat-free powdered disinfectant/sanitizer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2736903A1 (de) * 1976-08-17 1978-02-23 Colgate Palmolive Co Unloesliche waschmittel-gerueststoffe, diese enthaltende waschmittel sowie verfahren zur herstellung derselben
EP0061295A1 (fr) * 1981-03-23 1982-09-29 Unilever Plc Procédé de préparation de compositions détergentes à faible teneur en silicats
EP0114308A1 (fr) * 1982-12-24 1984-08-01 Henkel Kommanditgesellschaft auf Aktien Agent de lavage ayant plusieurs composantes séché par pulvérisation
DE3501983A1 (de) * 1984-01-24 1985-07-25 Unilever N.V., Rotterdam Verfahren zur herstellung von reinigungs- und bleichmittelzusammensetzungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8334017D0 (en) * 1983-12-21 1984-02-01 Unilever Plc Detergent composition
DE3545947A1 (de) * 1985-12-23 1987-07-02 Henkel Kgaa Phosphatfreies, granulares waschmittel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2736903A1 (de) * 1976-08-17 1978-02-23 Colgate Palmolive Co Unloesliche waschmittel-gerueststoffe, diese enthaltende waschmittel sowie verfahren zur herstellung derselben
EP0061295A1 (fr) * 1981-03-23 1982-09-29 Unilever Plc Procédé de préparation de compositions détergentes à faible teneur en silicats
EP0114308A1 (fr) * 1982-12-24 1984-08-01 Henkel Kommanditgesellschaft auf Aktien Agent de lavage ayant plusieurs composantes séché par pulvérisation
DE3501983A1 (de) * 1984-01-24 1985-07-25 Unilever N.V., Rotterdam Verfahren zur herstellung von reinigungs- und bleichmittelzusammensetzungen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DERWENT JAPANESE PATENTS REPORT Derwent Publications Ltd., London, GB; & JP,A,1 006 098 (LION CORP.) 10. Januar 1989 *
WORLD PATENTS INDEX LATEST Derwent Publications Ltd., London, GB; AN 89-140880 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996001887A1 (fr) * 1994-07-07 1996-01-25 Henkel Kommanditgesellschaft Auf Aktien Agent de lavage et de blanchiment en poudre
WO1996008554A1 (fr) * 1994-09-16 1996-03-21 Henkel Kommanditgesellschaft Auf Aktien Agent de lavage et de blanchiment en poudre contenant des enzymes
WO1996022355A1 (fr) * 1995-01-17 1996-07-25 Henkel Kommanditgesellschaft Auf Aktien Detergents et nettoyants de blanchiment sous forme de granulats
US5565422A (en) * 1995-06-23 1996-10-15 The Procter & Gamble Company Process for preparing a free-flowing particulate detergent composition having improved solubility
WO2000077159A1 (fr) * 1999-06-16 2000-12-21 Kao Corporation Particules d'addition a un detergent

Also Published As

Publication number Publication date
ES2079678T3 (es) 1996-01-16
DE59106781D1 (de) 1995-11-30
EP0552193B1 (fr) 1995-10-25
JPH06501723A (ja) 1994-02-24
ATE129521T1 (de) 1995-11-15
DE4031910A1 (de) 1992-04-09
EP0552193A1 (fr) 1993-07-28

Similar Documents

Publication Publication Date Title
DE2338412C2 (de) Zur Verwendung in Wasch- und Bleichmitteln geeignetes Bleichhilfsmittel und Verfahren zu dessen Herstellung
EP0228011B1 (fr) Détergent granulaire à teneur en phosphates réduite
DE2138584C3 (de) Zur Verwendung in Waschmitteln geeignetes lagerbeständiges Bleichmittel und Verfahren zu dessen Herstellung
CH626399A5 (fr)
DE2243307C2 (de) Feste Wasch- und Waschhilfsmittel mit einem Gehalt an vergrauungsverhütenden Zusätzen
CZ286651B6 (cs) Částice obsahující peroxysloučeninu a prostředek, který je obsahuje
WO1992006167A1 (fr) Produit de lavage contenant du percarbonate
WO1993023521A1 (fr) Procede de fabrication d'un detergent se presentant sous forme de pate
CA2015490A1 (fr) Agent de blanchiment granulaire a base de peroxyacide et procede de fabrication
US4048085A (en) Preparation of detergent compositions
WO1996001887A1 (fr) Agent de lavage et de blanchiment en poudre
DE1940654A1 (de) Enzymatische,bleichende Waschmittel
EP0781323B1 (fr) Agent de lavage et de blanchiment en poudre contenant des enzymes
DE2141280A1 (de) Zur verwendung in aktivsauerstoff enthaltenden bleich- und waschmitteln bestimmtes eingehuelltes aethylendiamintetraacetat
DE2132898A1 (de) Schwachschaeumendes wasch-, reinigungsund enthaertungsmittel
EP0937132B1 (fr) Procede de fabrication d'agents de lavage et de nettoyage
DE4231767A1 (de) Waschmittel mit enzymatischem Bleichsystem
WO1992009675A1 (fr) Stabilisation de percarbonate
DE1961076A1 (de) Aktivatorkombination fuer Perverbindungen sowie fuer diese enthaltende Bleich-,Wasch- und Reinigungsmittel
DE2115081A1 (en) Complexing agent for bleaches - consisting of paraffin-coated disodium ethylenediaminetetraacetate dihydrate particles
WO1994000544A1 (fr) Granule de lavage et de nettoyage
DE2154318A1 (de) Schwachschaeumendes wasch-, reinigungsund enthaertungsmittel
AT387401B (de) Bleich- und reinigungsmittel
WO1994009110A1 (fr) Procede de fabrication d'un detergent-nettoyant granulaire
DE4304474A1 (de) Tensid- und builderhaltiges Waschmitteladditiv

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): JP US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IT LU NL SE

WWE Wipo information: entry into national phase

Ref document number: 1991917296

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1991917296

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1991917296

Country of ref document: EP