EP0554287A1 - Gerüststoff für waschmittel. - Google Patents
Gerüststoff für waschmittel.Info
- Publication number
- EP0554287A1 EP0554287A1 EP91918052A EP91918052A EP0554287A1 EP 0554287 A1 EP0554287 A1 EP 0554287A1 EP 91918052 A EP91918052 A EP 91918052A EP 91918052 A EP91918052 A EP 91918052A EP 0554287 A1 EP0554287 A1 EP 0554287A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- phosphate
- free
- combination
- sodium
- weight
- 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.)
- Granted
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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
- C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
- C11D3/1273—Crystalline layered silicates of type NaMeSixO2x+1YH2O
-
- 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
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
- C11D3/128—Aluminium silicates, e.g. zeolites
Definitions
- the invention relates to a phosphate-free combination of builders, a process for their production and a washing and cleaning agent which contains this combination of builders.
- zeolite in particular zeolite NaA, and mixtures of zeolite with alkali silicates and carbonates and polymeric polycarboxylates have been used as phosphate substitutes in washing and cleaning agents.
- complexing agents such as the salts of nitrilotriacetic acid (NTA), ethylenediaminetetraacetic acid (EDTA) and phosphonic acids.
- NTA nitrilotriacetic acid
- EDTA ethylenediaminetetraacetic acid
- phosphonic acids phosphonic acids
- European patent application 291 869 describes phosphate-free builders combinations of zeolite, aminoalkane polyphosphonate, 1-hydroxyethane-1,1-diphosphonate (HEDP) and polymeric polycarboxylate, certain weight ratios of the last three components being synergistic with regard to preventing the formation of fiber incrustations.
- HEDP 1-hydroxyethane-1,1-diphosphonate
- polymeric polycarboxylate certain weight ratios of the last three components being synergistic with regard to preventing the formation of fiber incrustations.
- x is a number from 1.9 to 4 and y is a number from 0 to 20 and preferred values for x are 2, 3 or 4. They can be used as water softeners both separately and in detergents and cleaning agents together with other builders such as phosphates, zeolite, other silicates, phosphonates and polycarboxylates.
- builder combinations for detergents which contain crystalline layer silicates of the above formula (I) and optionally phosphates and polycarboxylates such as citrates, gluconates, NTA and / or iminodiacetates, but no zeolite .
- the object of the invention was to further develop the field of phosphate-free builders combinations with the aim of reducing the proportion of organic synthetic compounds.
- the combination of finely divided zeolite, crystalline layered silicate and certain polymeric polycarboxylate met the high requirements for the primary washing action and for the secondary properties, in particular inhibition of incrustation on textiles and prevention of deposits in washing machines, in such a way that the co ⁇ the use of phosphonates largely, preferably even completely, can be dispensed with.
- the invention accordingly relates in a first embodiment to a phosphate-free builder combination which contains zeolite, polymeric polycarboxylate and crystalline sheet silicate of the formula (I) Na Si x 02 ⁇ + i'yH20, where M is sodium or hydrogen, x is a number of 1 , 9 to 4 and y is a number from 0 to 20, and optionally contains phosphonates.
- the invention relates to a washing and cleaning agent which contains this phosphate-free builder combination of zeolite, crystalline phyllosilicates of the formula (I) and polymeric polycarboxylates.
- the zeolites are used in the usual hydrated, finely crystalline form. They have practically no particles larger than 30 ⁇ m and preferably consist at least 80% of particles smaller than 10 ⁇ m.
- Their calcium binding capacity which is determined according to the information in German patent application 24 12 837, is in the range from 100 to 200 mg CaO / g.
- Zeolite NaA is particularly suitable, as is zeolite NaX and mixtures of NaA and NaX.
- the builders combinations according to the invention preferably contain 60 to 96% by weight and in particular 65 to 85% by weight of hydrated zeolite.
- crystalline layered silicates of the formula (I) preference is given to those in which M is sodium and x is 2 or 3. Both ⁇ - and ⁇ '-sodium disilicate Na2Si2 ⁇ 5 * yH2 ⁇ are particularly preferred, ⁇ -sodium disilicate being able to be obtained, for example, by the process described in international patent application WO 91/08171.
- the builders combinations according to the invention preferably contain the crystalline phyllosilicates in amounts of 2 to 25% by weight and in particular in amounts of 3 to 15% by weight.
- Suitable polymeric polycarboxylates are polymeric carboxylic acids with a relative molecular weight of at least 350 in the form of their water-soluble salts, in particular in the form of the sodium and / or potassium salts, such as polyacrylates, polyhydroxyacrylates, polymethacrylates, polyaleates and in particular copolymers of the Acrylic acid with maleic acid or maleic acid anhydride, preferably those composed of 50-90% acrylic acid and 50% to 10% maleic acid.
- the relative molecular weight of the homopolymers is generally between 1,000 and 100,000, that of the copolymers between 2,000 and 200,000, preferably 50,000 to 120,000, based on free acids.
- a particularly preferred acrylic acid-maleic acid copolymer has a relative molecular weight of 50,000 to 100,000.
- Suitable, albeit less preferred, compounds of this class are copolymers of acrylic acid or methacrylic acid with vinyl ethers, such as vinyl methyl ethers, vinyl esters, ethylene, propylene and styrene, in which the proportion of acid is at least 50%.
- the proportion of polymeric polycarboxylates in the builders combinations is preferably 2 to 16% by weight and in particular 3 to 14% by weight.
- REPLACEMENT LEAF Preferred builders combinations contain crystalline layered silicates and polymeric polycarboxylates in a weight ratio of 3: 1 to 1: 3.
- KristaTTine layered silicates and polymeric polycarboxyates with a weight ratio of 1.5: 1 to 1: 2 are used with particular advantage.
- the invention contain no phosphonates rüststoffkombinationen because the builder combinations surprisingly been without the use of phosphonates in the washing process a synergistic effect bezügTich whiteness bezie ⁇ hung as ken bewir ⁇ an improved stabilization of the peroxy bleaching agent.
- the products according to the invention preferably additionally contain amorphous, alkaline or neutral alkali silicates, in particular sodium and / or potassium silicates, which have a ratio M2 ⁇ : Si ⁇ 2 of 1: 1 to 1: 3.5.
- Preferred builders combinations contain alkali silicates with a Na2 ⁇ : Si ⁇ 2 ratio of 1: 2.0 to 1: 3.3 and in particular up to 1: 3.0.
- the amounts of amorphous alkali silicate to be used are selected such that the weight ratio of crystalline sheet silicate to amorphous alkali silicate is between 1.5: 1 and 1: 2 and in particular between 1.2: 1 and 1: 1.7. It is particularly advantageous to use combinations of builders which have a weight ratio of crystalline layer silicate: polymeric polycarboxylate: amorphous alkali silicate of 1: (0.9-1.5) :( 1.2-1.5).
- the detergents and cleaning agents which contain the builders combinations according to the invention can be in solid, liquid or pasty form. They contain the builder combination preferably in amounts of 31 to 60% by weight and in particular in amounts of 35 to 50% by weight.
- Preferred washing and cleaning agents contain 20 to 40% by weight and in particular 26 to 35% by weight of finely crystalline and hydrated zeolite of the A and / or X type, 1 to 15% by weight and in particular 1.5 to 7% by weight of crystalline sheet silicates of the formula (I), 1 to 9% by weight and in particular 1.5 to 7% by weight of polymeric polycarboxylates and 2 to 10% by weight and in particular 2 to 8% by weight of amorphous alkali silicates with a Na 2 O: Si O 2 ratio of 1: 2.0 to 1: 3.3.
- washing and cleaning agents can contain up to 10% by weight of sodium carbonate. Preference is given to agents which contain up to 5% by weight of sodium carbonate.
- the detergents and cleaners contain known compounds from the group of anionic, nonionic and zwitterionic surfactants as further constituents.
- Particularly suitable anionic surfactants are sulfonates and sulfates and soaps made from preferably natural fatty acids or fatty acid mixtures.
- Cg-Ci3-alkylbenzenesulfonates, olefin sulfonates, esters of oc-sulfofatty acids or ⁇ -sulfofatty acid disalts are used, for example, as surfactants of the sulfonate type.
- Suitable surfactants of the sulfate type are the sulfuric acid monoesters from primary alcohols of natural or synthetic origin, ie from Ci2-Ciß-fatty acids or from C ⁇ o-C2 ⁇ * oxo alcohols, and those of secondary alcohols of this chain length.
- the sulfuric acid monoesters of the alcohols reacted with 1 to 6 mol of ethylene oxide (E0) are also suitable.
- Addition products of preferably 2 to 20 moles of EO to 1 mole of an alphitic compound with essentially 10 to 20 carbon atoms from the group of alcohols, carboxylic acids, fatty acids, carboxamides and alkanesulfonides are of particular interest as nonionic surfactants .
- polyglycol ethers with 2 to 7 ethylene glycol ether residues in the molecule that are not or not completely water-soluble are also important, in particular when they are used together with water-soluble nonionic or anionic surfactants.
- alkyl polyglycosides of the general formula R-0- (G) x can also be used as nonionic surfactants, in which R is a primary straight-chain or aliphatic radical with 8 to 22, preferably 12 to 18, C-atoms, methyl-branched, G is a symbol which stands for a glycose unit with 5 or 6 carbon atoms and the degree of oligomerization x is between 1 and 10.
- the total content of surfactants in the compositions is between 5 and 40% by weight. It is preferably 5 to 30% by weight and in particular 8 to 25% by weight.
- the other detergent and cleaning agent components include graying inhibitors, foam inhibitors, bleaching agents and bleach activators, optical brighteners, enzymes, textile softening substances, dyes and fragrances as well as neutral salts, solvents and water.
- sodium perborate tetrahydrate NaB ⁇ 2'H2 ⁇ '3H2 ⁇
- sodium perborate monohydrate NaB ⁇ 2 * H2 ⁇ 2
- Other usable bleaching agents are, for example, peroxycarbonate (Na2CO3'1, 5H2O2) or peracidic salts of organic acids, such as perbenzoates or salts of diperdodecanedioic acid.
- bleach activators can be incorporated into the preparations.
- these are the N-acyl or 0-acyl compounds forming with H2O2 organic peracids, preferably N, N'-tetraacylated diamines such as N, N, N ', N'-tetraacetylethylene diamine.
- Enzymes from the class of proteases, lipases and amylases or mixtures thereof can be used.
- the enzymes can be adsorbed on carrier substances and / or embedded in coating substances in order to protect them against premature decomposition.
- Suitable non-surfactant-like and preferably used foam inhibitors are organopolysiloxanes and their mixtures with microfine, optionally silanized silica, paraffins, waxes, microcrystalline waxes and their mixtures with silanized silica. Mixtures of different foam inhibitors are also advantageously used, e.g. B. from silicone and paraffins or waxes.
- the foam inhibitors are preferably bound to a granular, water-soluble or dispersible carrier substance.
- powdery or granular detergents contain 10 to 20% by weight of surfactants, 26 to 35% by weight of zeolite NaA, 2 to 5% by weight of crystalline layered silicates (I), where M is sodium and x has the value 2, 2 to 5% by weight of polymeric polycarboxylates, 2 to 5% by weight of amorphous alkali silicates and 15 to 30% by weight of bleaching agent and 0.1 to 1% by weight of enzyme.
- the bulk density of the agents is preferably 400 to 900 g / l.
- Both the builders combinations according to the invention and the washing and cleaning agents according to the invention can be produced in a conventional manner, for example by mixing, granulating and / or by spray drying.
- detergents and cleaning agents separately manufactured builders combinations can be used. It is also possible to incorporate the various builders into the agents individually in a manner which is customary per se and in any order.
- the pourable powder or granular preparations preferably consist of a dry homogeneous mixture of at least 2 powder components, the first of which is in the form of spray-dried granules. It can be obtained by spray drying a slurry which is carried out in a conventional manner and which contains zeolite as builders, preferably as an aqueous suspension in a mixture with the sodium salt of the (co) -polymeric acids. Bleaching agents such as perborate are, as usual, not spray-dried together with the constituents of the first powder component because of their thermal sensitivity, but are only mixed into the spray product afterwards. Any amorphous alkali silicates which may be present are also preferably not spray-dried together with the zeolite-containing slurry. Likewise, the crystalline layered silicates are preferably not spray-dried, but mixed in in granular form or adsorbed onto a carrier consisting of sulfate and / or carbonate. Examples
- Granular detergents of the following composition were produced and tested.
- the constituents mentioned in the first to sixth place as well as zeolite NaA and sodium sulfate were mixed to form an aqueous spray mixture and spray-dried in a test tower.
- the perborate, the bleach activator and the granules were subsequently added to the spray product.
- the test was carried out under practical conditions in household washing machines.
- the machines were loaded with 3.5 kg of normally soiled household laundry (bed linen, table linen, underwear) and 0.5 kg of test fabric.
- Strips of standardized cotton fabric (Krefeld laundry research institute), nettle, knitwear (cotton tricot) and terry toweling fabric were used as the test fabric.
- Washing conditions tap water of 23 ° d (equivalent to 230 mg CaO / T), main wash cycle 8.0 g / 1 at 25 to 90 ° C (heating-up time 60 minutes, 15 minutes at 90 ° C), liquor ratio (kg of laundry: liters Wash liquor in the main wash cycle) 1: 4, ⁇ repeated rinsing with tap water, centrifuging and drying.
- test fabrics were provided with bleachable soils and degradable by enzymes.
- the use of the powder detergent, which contained a builder combination according to the invention gave comparable or better results with regard to the degree of whiteness than the powder detergent, which contained a standard builder combination (measurement of the white scale: Zeiss reflectometer, 465 nm, suppression of the brightener effect). .
- the powder detergent with the builder combination according to the invention showed, on average, comparable to better ash contents than the standard powder detergent over all test fabrics.
- the machines were again loaded with 3.5 kg of normally soiled household laundry and 0.5 kg of test fabric.
- Strips of standardized cotton fabric (laundry research institute Krefeld), of refined cotton fabric and of a mixed fabric of polyester and refined cotton were used as the test fabric.
- Soiling Fat / pigment soiling and bleachable soiling such as red wine, tea, cocoa, wild berries
- Agents with the composition given above were used as detergents, which contained builders combinations according to E and V. However, an amorphous sodium silicate with a Na2 ⁇ : Si ⁇ 2 ratio of 1: 2.0 (El, VI) or with a Na2 ⁇ : Si ⁇ 2 ratio of 1: 2.6 (E2, V2) was used.
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)
- Crystallography & Structural Chemistry (AREA)
- Detergent Compositions (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4034131A DE4034131C2 (de) | 1990-10-26 | 1990-10-26 | Gerüststoff für Waschmittel |
DE4034131 | 1990-10-26 | ||
PCT/EP1991/001976 WO1992007928A1 (de) | 1990-10-26 | 1991-10-17 | Gerüststoff für waschmittel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0554287A1 true EP0554287A1 (de) | 1993-08-11 |
EP0554287B1 EP0554287B1 (de) | 1995-08-02 |
Family
ID=6417133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91918052A Revoked EP0554287B1 (de) | 1990-10-26 | 1991-10-17 | Gerüststoff für waschmittel |
Country Status (8)
Country | Link |
---|---|
US (1) | US5393455A (de) |
EP (1) | EP0554287B1 (de) |
JP (1) | JPH06502199A (de) |
AT (1) | ATE125861T1 (de) |
DE (2) | DE4034131C2 (de) |
ES (1) | ES2075470T3 (de) |
TR (1) | TR25381A (de) |
WO (1) | WO1992007928A1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW240243B (de) * | 1992-03-12 | 1995-02-11 | Kao Corp | |
US5814289A (en) * | 1992-03-28 | 1998-09-29 | Hoechst Aktiengesellschaft | Process for the peparation of cogranulates comprising aluminosilicates and sodium silicates |
US5536437A (en) * | 1992-08-19 | 1996-07-16 | Colgate-Palmolive Co. | Hard surface cleaning composition formed from a structured silicate |
US5565419A (en) * | 1992-08-19 | 1996-10-15 | Colgate Palmolive Company | Oven cleaning composition |
DE4228043A1 (de) * | 1992-08-24 | 1994-03-03 | Henkel Kgaa | Gerüststoff für Waschmittel |
DE4228044A1 (de) * | 1992-08-24 | 1994-03-03 | Henkel Kgaa | Gerüststoff für Waschmittel |
DE4229660A1 (de) * | 1992-09-04 | 1994-03-10 | Henkel Kgaa | Wasch- und Reinigungsmittel mit Buildersubstanzen |
DE4313908A1 (de) * | 1993-04-28 | 1994-11-03 | Huels Chemische Werke Ag | Wasserenthärtende Formulierungen |
EP0653480B1 (de) * | 1993-11-11 | 2000-01-19 | The Procter & Gamble Company | Beim Waschen weichmachende Zusammensetzungen |
DE4329389A1 (de) * | 1993-09-01 | 1995-03-02 | Henkel Kgaa | Sprühgetrocknetes Wasch- oder Reinigungsmittel oder Komponente hierfür |
GB9324129D0 (en) * | 1993-11-24 | 1994-01-12 | Unilever Plc | Detergent compositions and process for preparing them |
DE4404333A1 (de) | 1994-02-11 | 1995-08-17 | Benckiser Knapsack Ladenburg | Waschmittel |
US5643358A (en) * | 1994-06-10 | 1997-07-01 | Pq Corporation | Crystalline hydrated layered sodium and potassium silicates and method of producing same |
KR100371760B1 (ko) * | 1994-09-13 | 2003-03-15 | 카오카부시키가이샤 | 세탁방법및의류용세제조성물 |
US5998360A (en) * | 1994-09-22 | 1999-12-07 | Crosfield Limited | Granules based on silicate antiredeposition agent mixtures and method for manufacturing same |
GB9500738D0 (en) * | 1995-01-14 | 1995-03-08 | Procter & Gamble | Detergent composition |
US6440922B1 (en) | 1995-01-14 | 2002-08-27 | The Procter & Gamble Company | Detergent composition comprising zeolite and amylase enzyme |
DE19534022A1 (de) * | 1995-09-14 | 1997-03-20 | Henkel Kgaa | Acrolein-Vinylacetat-Copolymerisathaltige Gerüststoffkombinationen, Wasch- und Reinigungsmittel, die diese enthalten sowie deren Herstellung |
ID16213A (id) † | 1996-03-11 | 1997-09-11 | Kao Corp | Komposisi deterjen butiran untuk mencuci pakaian |
GB9605534D0 (en) * | 1996-03-15 | 1996-05-15 | Unilever Plc | Detergent compositions |
US6046149A (en) * | 1996-04-17 | 2000-04-04 | Procter & Gamble Company | Detergent compositions |
EP0849355B1 (de) * | 1996-12-21 | 2004-03-17 | Clariant GmbH | Pulverförmige Wasch- und Reinigungsmittel-Komponente |
US6034045A (en) * | 1997-02-25 | 2000-03-07 | Church & Dwight Co., Inc. | Liquid laundry detergent composition containing a completely or partially neutralized carboxylic acid-containing polymer |
GB2370843A (en) † | 2001-01-08 | 2002-07-10 | Reckitt Benckiser Nv | Laundry cleaning agents and their manufacture |
US20030036497A1 (en) * | 2001-06-25 | 2003-02-20 | Clariant International, Ltd. | Disintegration adjuncts for use in detergent and cleaning compositions |
JP2013518984A (ja) * | 2010-02-09 | 2013-05-23 | ビーエーエスエフ ソシエタス・ヨーロピア | ビルダー組成物 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4274975A (en) * | 1974-03-11 | 1981-06-23 | The Procter & Gamble Company | Detergent composition |
DE3413571A1 (de) * | 1984-04-11 | 1985-10-24 | Hoechst Ag, 6230 Frankfurt | Verwendung von kristallinen schichtfoermigen natriumsilikaten zur wasserenthaertung und verfahren zur wasserenthaertung |
DE3444960A1 (de) * | 1984-12-10 | 1986-06-12 | Henkel KGaA, 4000 Düsseldorf | Koerniges adsorptionsmittel |
DE3603471A1 (de) * | 1986-02-05 | 1987-08-06 | Wfk Testgewebe Gmbh | Phosphorarmes bzw. phosphorfreies wasch- und/oder reinigungsmittel |
DE3627773A1 (de) * | 1986-08-16 | 1988-02-18 | Hoechst Ag | Phosphatfreies geschirrspuelmittel |
DE3715051A1 (de) * | 1987-05-06 | 1988-11-17 | Degussa | Phosphatfreier waschmittelbuilder |
DE3717227A1 (de) * | 1987-05-21 | 1988-12-01 | Henkel Kgaa | Phosphatfreies waschmittel mit reduzierter inkrustierungstendenz |
DE3812555A1 (de) * | 1988-04-15 | 1989-10-26 | Hoechst Ag | Lagerstabilisiertes waschmittel mit verstaerkter bleichwirkung |
DE3812556A1 (de) * | 1988-04-15 | 1989-10-26 | Hoechst Ag | Waschmittel mit lagerstabilisiertem bleichsystem |
GB8826110D0 (en) * | 1988-11-08 | 1988-12-14 | Unilever Plc | Enzyme-containing detergent compositions |
DE3920704A1 (de) * | 1989-06-24 | 1991-01-03 | Hoechst Ag | Builder fuer textilwaschmittel |
DE3929896A1 (de) * | 1989-09-08 | 1991-03-14 | Hoechst Ag | Geschirrspuelmittel |
GB9018157D0 (en) * | 1990-08-17 | 1990-10-03 | Procter & Gamble | Detergent compositions |
-
1990
- 1990-10-26 DE DE4034131A patent/DE4034131C2/de not_active Revoked
-
1991
- 1991-10-17 AT AT91918052T patent/ATE125861T1/de active
- 1991-10-17 DE DE59106172T patent/DE59106172D1/de not_active Revoked
- 1991-10-17 TR TR91/0958A patent/TR25381A/xx unknown
- 1991-10-17 JP JP3517047A patent/JPH06502199A/ja active Pending
- 1991-10-17 WO PCT/EP1991/001976 patent/WO1992007928A1/de not_active Application Discontinuation
- 1991-10-17 EP EP91918052A patent/EP0554287B1/de not_active Revoked
- 1991-10-17 ES ES91918052T patent/ES2075470T3/es not_active Expired - Lifetime
- 1991-10-17 US US08/039,328 patent/US5393455A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9207928A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE125861T1 (de) | 1995-08-15 |
TR25381A (tr) | 1993-03-01 |
DE4034131C2 (de) | 1999-08-26 |
EP0554287B1 (de) | 1995-08-02 |
ES2075470T3 (es) | 1995-10-01 |
DE4034131A1 (de) | 1992-04-30 |
JPH06502199A (ja) | 1994-03-10 |
US5393455A (en) | 1995-02-28 |
WO1992007928A1 (de) | 1992-05-14 |
DE59106172D1 (de) | 1995-09-07 |
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