WO2001094514A1 - Composition detergente - Google Patents

Composition detergente Download PDF

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Publication number
WO2001094514A1
WO2001094514A1 PCT/EP2001/005628 EP0105628W WO0194514A1 WO 2001094514 A1 WO2001094514 A1 WO 2001094514A1 EP 0105628 W EP0105628 W EP 0105628W WO 0194514 A1 WO0194514 A1 WO 0194514A1
Authority
WO
WIPO (PCT)
Prior art keywords
direct application
coox
product
formula
compound
Prior art date
Application number
PCT/EP2001/005628
Other languages
English (en)
Inventor
Michael K. Dowding
Timothy D. Finch
Original Assignee
Unilever N.V.
Unilever Plc
Hindustan Lever Ltd
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
Application filed by Unilever N.V., Unilever Plc, Hindustan Lever Ltd filed Critical Unilever N.V.
Priority to AU2001267449A priority Critical patent/AU2001267449A1/en
Publication of WO2001094514A1 publication Critical patent/WO2001094514A1/fr

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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
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/0082—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
    • 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
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • C11D17/0069—Laundry bars

Definitions

  • the present invention relates to a laundry direct application detergent product suitable for washing both white and coloured fabrics.
  • the products of the invention which contain a sequestrant, iminodisuccinate or hydroxyiminodisuccinate, in controlled amounts, have been found to give improved maintenance and/or restoration of colour fidelity during the wash.
  • the presence of the sequestrant also reduces dye fading due to chlorine in water, and in addition provides improved stain removal.
  • Coloured articles may become darker or the colour may change as a result of laundering, thus changing the appearance and shortening the useful life of the articles.
  • White articles may also become discoloured, for example, yellowed, with time.
  • Iminodisuccinate is known as a detergency builder and, in bleaching detergent compositions, as a stabiliser for peroxy bleach precursors.
  • US 3 697 453 discloses detergent compositions having a pH of from 9 to 12, containing iminodisuccinate as a detergency builder, used together with detergent surfactant in a weight ratio of 0.25:1 to 10:1.
  • IDS as a detergency builder is also disclosed in EP 757 094A (Bayer).
  • IDS and hydroxyiminodisuccinate (HIDS) are disclosed in JP 09 110 813A (Nippon Shokubai) and JP 09 104 897A (Nippon Shokubai).
  • EP 509 382A (W R Grace & Co/Hamphire Chemical Corporation) discloses a bleaching detergent composition comprising a bleaching agent and a bleach stabiliser of defined formula which includes IDS.
  • the use of IDS as a bleach stabiliser is also disclosed in WO 97 20907A (Procter & Gamble).
  • JP 09 249 895A (Lion) and JP 09 310 097A (Lion) disclose detergent compositions containing 3 to 20 wt% IDS or HIDS to improve the stability or fabric substantivity or fluorescers (optical brighteners).
  • IDS as a processing aid for detergent powders and detergent powder ingredients is disclosed in JP 09 100 497A (Lion) and JP 09 279 188A (Lion).
  • WO 98 38276A (Procter & Gamble) discloses laundry detergent compositions containing 0.1-50 wt% of a colour care agent.
  • the colour care agents are amines substituted with, for example, hydroxyalkyl groups.
  • the preferred material is N,N,N ' ,N- tetrakis-(2-hydroxypropyl)ethylenediamine.
  • WO 91 17234A discloses low-pH granular laundry detergent compositions containing chlorine scavengers which minimise the fading of pH-sensitive and chlorine-sensitive fabric dyes during laundering.
  • Preferred chlorine scavengers are ammonium salts, for example, ammonium sulphate.
  • WO 99 04139A discloses non-bleaching laundry detergent compositions containing 0.05 to 2.5 wt% of a compound of the formula:
  • compositions in powder form were found to help maintain and/or restore colour fidelity.
  • the present invention accordingly provides a non-bleaching laundry direct application detergent product providing improved maintenance and/or restoration of colour fidelity during the wash, which product is producible by extrusion and which comprises surfactant, builder, optionally other non-bleach detergent ingredients, and from 0.01 to 5.0 wt% of a compound of the formula (I):
  • Y is H or OH and X is H or a solubilising cation.
  • a further aspect of the present invention is a process for producing a direct application detergent product, which process comprises co-extruding a mixture of surfactant, builder and a compound of formula (I) optionally in the presence of other non-bleaching detergent ingredients.
  • Such a direct application detergent product may especially be in the form of a bar or solid cake of any shape or form.
  • a further aspect of the invention is a process for laundering white or coloured textile fabrics while maintaining and/or restoring the colour fidelity of the fabrics, which process comprises laundering the fabrics in a direct application wash process, using a direct application detergent product as defined previously.
  • a further aspect of the invention is a method of protecting new white or coloured textile fabrics from colour degradation on laundering, which method comprises laundering the fabrics in a direct application wash process using a direct application detergent product as defined above.
  • a further aspect of the invention is a method of restoring colour fidelity in white or coloured textile fabrics that have been laundered, which method comprises laundering the fabrics in a direct application wash process using a detergent product as defined above.
  • a further aspect of the invention provides a method of removing stains from textile fabrics, which method comprises laundering the fabrics in a direct application wash process using a detergent product as defined above.
  • the laundering is typically carried out by hand but may also include using the direct application product of the invention in a pre-treatment step prior to machine laundering.
  • a further aspect of the invention is the use of the compound of the formula I above in an amount of 0.01 to 5.0 wt% in a composition which is extrudable to form a laundry direct application detergent product to protect new white or coloured textile fabrics from colour degradation on laundering, or to restore colour fidelity in white or coloured textile fabrics that have been laundered.
  • colour fidelity is used herein to include both the true colour of coloured fabrics and the whiteness of white fabrics.
  • a further aspect of the invention is the use of a compound of the formula I above, in an amount of from 0.01 to 5.0 wt%, in an extruded laundry direct application detergent product which is useful as a chlorine scavenger to prevent the fading of chlorine- sensitive dyes on coloured textile fabrics during laundering.
  • a further aspect of the invention is the use of a compound of the formula I above, in an amount of from 0.01 to 5.0 wt%, in an extruded laundry direct application detergent product with good stain removal performance.
  • the laundry direct application detergent product of the invention contains, as an essential ingredient, a compound of the formula I:
  • Y is H or OH, preferably H; and X is H or a solubilising cation, preferably a sodium ion.
  • I iminodisuccinic acid or a water-soluble salt thereof.
  • IDS hydroxyiminodisuccinic acid or a water- soluble salt thereof.
  • HIDS HIDS
  • Nippon Shokubai KK Japan.
  • the IDS or HIDS may be, and preferably is, in the form of a salt, ie X in the formula I is a stable solubilising cation, preferably an alkali metal cation, more preferably sodium.
  • IDS or HIDS is present in an amount of from 0.01 to 5.0 wt%, preferably from 0.1 to 4.0 wt%, more preferably from 0.2 to 2.5 wt% and most preferably from 0.5 to 1.0 wt%.
  • the lower levels appear to provide the greatest benefit and no additional benefit is observed if higher amounts, greater than 5.0 wt%, are used.
  • the preferred material is IDS, most preferably in sodium salt form.
  • the product of the invention also contains other conventional detergent ingredients, other than bleaching ingredients.
  • the product is typically, substantially free of bleaching agents.
  • Essential ingredients are surfactants (detergent-active compounds) and detergency builders, and other non-bleach ingredients may optionally be present.
  • a preferred direct application detergent product according to the invention comprises:
  • the laundry direct application detergent product of the invention is preferably in the form of a bar.
  • the detergent products will contain, as essential ingredients, one or more detergent active compounds (surfactants) which may be chosen from soap and non-soap anionic, cationic, nonionic, amphoteric and zwitterionic detergent active compounds, and mixtures thereof.
  • surfactants may be chosen from soap and non-soap anionic, cationic, nonionic, amphoteric and zwitterionic detergent active compounds, and mixtures thereof.
  • suitable detergent active compounds are available and are fully described in the literature, for example, in "Surface-Active Agents and Detergents", Volumes I and II, by Schwartz, Perry and Berch.
  • the preferred detergent active compounds that can be used are soaps and synthetic non-soap anionic and nonionic compounds.
  • Anionic surfactants are well-known to those skilled in the art. Examples include alkylbenzene sulphonates, particularly linear alkylbenzene sulphonates having an alkyl chain length of C 8 -C 15 ; primary and secondary alkylsulphates, particularly C 8 -C 15 primary alkyl sulphates; alkyl ether sulphates; olefin sulphonates; alkyl xylene sulphonates; dialkyl sulphosuccinates; and fatty acid ester sulphonates.
  • Sodium salts are generally preferred.
  • Nonionic surfactants that may be used include the primary and secondary alcohol ethoxylates, especially the C 8 -C 20 aliphatic alcohols ethoxylated with an average of from 1 to 20 moles of ethylene oxide per mole of alcohol, and more especially the C 10 -C 15 primary and secondary aliphatic alcohols ethoxylated with an average of from 1 to 10 moles of ethylene oxide per mole of alcohol.
  • Non-ethoxylated nonionic surfactants include alkylpolyglycosides, glycerol monoethers, ether sulphates and polyhydroxyamides (glucamide).
  • Cationic surfactants that may be used include quaternary ammonium salts of the general formula R 1 R 2 R 3 R 4 N + X " wherein the R groups are long or short hydrocarbyl chains, typically alkyl, hydroxyalkyl or ethoxylated alkyl groups, and X is a solubilising cation (for example, compounds in which R ⁇ is a C 8 -C 22 alkyl group, preferably a C 8 -C 10 or C 12 -C 14 alkyl group, R 2 is a methyl group, and R 3 and R 4 , which may be the same or different, are methyl or hydroxyethyl groups); and cationic esters (for example, choline esters).
  • R 1 R 2 R 3 R 4 N + X wherein the R groups are long or short hydrocarbyl chains, typically alkyl, hydroxyalkyl or ethoxylated alkyl groups, and X is a solubilising cation (for example, compounds
  • R 1 R 2 R 3 R 4 N + X " , R represents a C 8 -C 10 or C 12 -C 14 alkyl group
  • R 2 and R 3 represent methyl groups
  • R 4 presents a hydroxyethyl group.
  • Amphoteric surfactants for example, amine oxides, and zwitterionic surfactants, for example, betaines, may also be present.
  • the quantity of anionic surfactant is in the range of from 5 to 50% by weight of the total product. More preferably, the quantity of anionic surfactant is in the range of from 8 to 30% by weight.
  • Nonionic surfactant if present, is preferably used in an amount within the range of from 0.5 to 20% by weight.
  • the total amount of surfactant present is preferably within the range of from 5 to 60 wt%.
  • the product may suitably contains from 1 to 80%, preferably from 1.5 to 60% by weight, of detergency builder.
  • the quantity of builder is in the range of from 2 to 40% by weight.
  • the detergent product preferably contain as builder a phosphate builder, especially sodium tripolyphosphate, STPP. This may be used in combination with sodium orthophosphate, and/or sodium pyrophosphate.
  • a phosphate builder especially sodium tripolyphosphate, STPP. This may be used in combination with sodium orthophosphate, and/or sodium pyrophosphate.
  • Phosphate builders may also have a hydrating function and can act to retain moisture in the bar.
  • crystalline aluminosilicate preferably an alkali metal aluminosilicate, more preferably a sodium aluminosilicate (zeolite).
  • the zeolite used as a builder may be the commercially available zeolite A (zeolite 4A) now widely used in laundry detergent powders.
  • the zeolite may be maximum aluminium zeolite P (zeolite MAP) as described and claimed in EP 384 070B (Unilever), and commercially available as Doucil (Trade Mark) A24 from Crosfield Chemicals Ltd, UK.
  • Zeolite MAP is defined as an alkali metal aluminosilicate of zeolite P type having a silicon to aluminium ratio not exceeding 1.33, preferably within the range of from 0.90 to 1.33, preferably within the range of from 0.90 to 1.20.
  • zeolite MAP having a silicon to aluminium ratio not exceeding 1.07, more preferably about 1.00.
  • the particle size of the zeolite is not critical. Zeolite A or zeolite MAP of any suitable particle size may be used.
  • inorganic builders that may be present additionally or alternatively include sodium carbonate, layered silicate, amorphous aluminosilicates.
  • Organic builders that may be present include polycarboxylate polymers such as polyacrylates and acrylic/maleic copolymers; polyaspartates; monomeric polycarboxylates such as citrates, gluconates, oxydisuccinates, glycerol mono-di- and trisuccinates, carboxymethyloxysuccinates, carboxy-methyloxymalonates, dipicolinates, hydroxyethyliminodiacetates, alkyl- and alkenylmalonates and succinates; and sulphonated fatty acid salts.
  • polycarboxylate polymers such as polyacrylates and acrylic/maleic copolymers
  • polyaspartates monomeric polycarboxylates such as citrates, gluconates, oxydisuccinates, glycerol mono-di- and trisuccinates, carboxymethyloxysuccinates, carboxy-methyloxymalonates, dipicolinates, hydroxyethyliminodiacetates, alky
  • Organic builders may be used in minor amounts as supplements to inorganic builders such as phosphates and zeolites.
  • Especially preferred supplementary organic builders are citrates, suitably used in amounts of from 5 to 30 wt%, preferably from 10 to 25 wt%; and acrylic polymers, more especially acrylic/maleic copolymers, suitably used in amounts of from 0.5 to 15 wt%, preferably from 1 to 10 wt%.
  • Builders both inorganic and organic, are preferably present in alkali metal salt, especially sodium salt, form.
  • the direct application detergent product of the present invention additionally contain fillers to add bulk to the product and/or to bind the product components into a bar form.
  • the fillers are generally mineral materials and may be soluble or insoluble. Typical fillers may include.calcite, kaolin, talc, china clay, sodium sulphate or any other salt.
  • the direct application detergent product may also contain one or more enzymes.
  • Suitable enzymes include the proteases, amylases, cellulases, oxidases, peroxidases and lipases usable for incorporation in detergent compositions.
  • Preferred proteolytic enzymes are catalytically active protein materials which degrade or alter protein types of stains when present as in fabric stains in a hydrolsis reaction. They may be of any suitable origin, such as vegetable, animal, bacterial or yeast origin.
  • Proteolytic enzymes or proteases of various qualities and origins and having activity in various pH ranges of from 4-12 are available. Proteases of both high and low isoelectric point are suitable.
  • enzymes that may suitably be present include lipases, amylases, and cellulases including high-activity cellulases such as "Carezyme”).
  • Antiredeposition agents for example cellulose esters and ethers, for example sodium carboxymethyl cellulose, may also be present.
  • the direct application detergent products may also contain soil release polymers, for example sulphonated and unsulphonated PET/POET polymers, both end-capped and non-end-capped, and polyethylene glycol/poly vinyl alcohol graft copolymers such as Sokolan (Trade Mark) HP22.
  • soil release polymers for example sulphonated and unsulphonated PET/POET polymers, both end-capped and non-end-capped, and polyethylene glycol/poly vinyl alcohol graft copolymers such as Sokolan (Trade Mark) HP22.
  • Especially preferred soil release polymers are the sulphonated non-end-capped polyesters described and claimed in WO 95 32997A (Rhodia Chimie).
  • ingredients that may be present include solvents, hydrotropes, fluorescers, photobleaches, foam boosters or foam controllers (antifoams) as appropriate, sodium carbonate, sodium bicarbonate, sodium silicate, sodium sulphate, calcium chloride, other inorganic salts, fabric conditioning compounds, and perfumes.
  • the product of the invention is preferably in the form of a bar.
  • the product of the invention is formed by extrusion of a detergent composition.
  • the composition is extruded using a plodder.
  • the composition undergoes a refining step in a refiner or pre- plodder prior to a extrusion from the plodder.
  • the composition is picked up by screws in their refiner/pre-plodder and transported through a refiner plate to form "noodles" which are dropped into a hopper seed of a plodder.
  • this is kept under reduced pressure to remove any absorbed gases.
  • material picked up from the hopper is transported by a set of screws to a nose cone section of the plodder where the composition is further compacted and forced, under the pressure built up, through an orifice of the required geometry for the final product.
  • the colour benefit associated with the products of the invention is twofold: protection (maintenance) of the colour or whiteness of new fabrics, and restoration (recovery) of the colour or whiteness of previously washed fabrics.
  • New fabrics when washed with the products of the invention, show reduced colour degradation as compared with fabrics washed in control formulations without IDS.
  • the fabrics maintain a new appearance even after multiple washing. This protection or maintenance benefit has been found to apply both to white and to coloured fabrics.
  • a cause of the colour degradation resulting from the laundry process may be heavy metal ions, especially iron but also copper, zinc and manganese: these may originate from the water or water pipes, from washing machine parts, from the detergent composition used, or from the soil present on the fabric.
  • the colour care benefit obtained according to the present invention may be attributed to the sequestration by the IDS of any heavy metal ions present during the laundering process.
  • IDS has also been found to reduce the fading upon laundering of chlorine-sensitive dyes. This fading occurs due to the presence of sodium hypochlorite, which is routinely put into supply water for hygiene purposes: levels of 0.5 ppm are typical. This causes fading of dyes of a wide range of colours.
  • the incorporation of IDS in accordance with the present invention can significantly reduce the amount of fading attributable to chlorine in the wash water.
  • Woven cotton was dyed with Direct Red 80 dye and was cut to produce test cloths, each measuring 19x13cm.
  • the reflectance readings for the cloths were measured at R620nm using a Hunteriab Ultrascan XE Spectrophotometer without UV (reading a).
  • the cloths were stained with copper ions as follows:
  • Copper chloride stock solution (50ppm Cu 2 +)was diluted to produce a solution containing O. ⁇ ppm Cu 2+ .
  • test cloth was weighed and the volume of O. ⁇ ppm Cu 2+ solution required to provide a liquor : cloth (L:C) ratio of 200:1 was calculated.
  • Two test cloths were placed into each of the six pots in a Tergotometer and the required volume of Cu 2+ solution added. The Tergotometer was run at 90rpm for 30 minutes at 30°C, after which the colour- degraded test cloths were removed, without wringing, from the solutions and were line dried in a darkened room.
  • test cloths were hand-washed using an IDS containing direct application bar and a standard wash protocol as follows:
  • test cloths Four stained test cloths were pinned onto a 65% polyester.35% cotton backing cloth measuring 81x81 cm.
  • the bar was cut to 5x3.2cm and the surface to be applied to the cloth was flattened and smoothed.
  • the bar was placed into a metal holder and both were weighed.
  • the bar was rubbed a standard number of times, uni-directionally and evenly across the surface of each of the four stained test cloths.
  • the cloths were gathered together, placed in a bowl containing wash water (20°FH, 27°C, L:C 4:1) and left to soak for 30 seconds.
  • the backing cloth and attached test cloths were then removed from the wash liquor and evenly agitated between the hands for 1 minute, after which they were rinsed twice in rinse water (20°FH, 27°C, L:C 7:1), each time for 30 seconds.
  • the test cloths were removed from the backing cloth, wrung out and line dried in a darkened room. The used bar was weighed at the end of the washing process and then after drying to determine the amount of wear.
  • test cloths When dry, the test cloths were re-measured again at R620nm on the Hunteriab Ultrascan XE Spectrophotometer (reading c).
  • the degree of staining prior to washing was calculated as the difference between the R620 values of the unwashed, stained cloth (reading b) and those of the unstained cloth (reading a).
  • the degree of staining remaining after washing was calculated as the difference between the R620 values of the washed, stained cloths (reading c) and those of the unstained cloth (reading a).
  • the amount of stain removed by each product was calculated as the difference between the R620 values of the stained test cloths before and after washing (readings c and b).

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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)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne un produit de lessive détergent, non blanchissant, à application directe qui entretient mieux le linge et/ou restaure mieux les couleurs pendant le lavage. Ce produit peut être obtenu par extrusion, il comprend un surfactant, un adjuvant, éventuellement d'autres ingrédients détergents, non blanchissants, et une proportion de 0,01 à 5,0 % en poids d'un composé de la formule (I): où Y représente H ou OH et X représente H ou un cation solubilisant.
PCT/EP2001/005628 2000-06-05 2001-05-16 Composition detergente WO2001094514A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001267449A AU2001267449A1 (en) 2000-06-05 2001-05-16 Detergent composition

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00304752.9 2000-06-05
EP00304752 2000-06-05

Publications (1)

Publication Number Publication Date
WO2001094514A1 true WO2001094514A1 (fr) 2001-12-13

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PCT/EP2001/005628 WO2001094514A1 (fr) 2000-06-05 2001-05-16 Composition detergente

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AU (1) AU2001267449A1 (fr)
WO (1) WO2001094514A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53113806A (en) * 1977-03-16 1978-10-04 Kawaken Fine Chem Co Ltd Improved soap
JPS5695998A (en) * 1979-12-28 1981-08-03 Kao Corp Detergent composition
JPH06248300A (ja) * 1993-02-26 1994-09-06 Lion Corp 高嵩密度粒状洗剤組成物
DE4311440A1 (de) * 1993-04-07 1994-10-13 Henkel Kgaa Gerüststoff für Wasch- oder Reinigungsmittel
JPH0711294A (ja) * 1993-06-23 1995-01-13 Kao Corp 洗浄剤組成物
JPH1135980A (ja) * 1997-07-16 1999-02-09 Lion Corp 粒状ノニオン洗剤組成物及びその製造方法
WO2000034427A1 (fr) * 1998-12-10 2000-06-15 Unilever Plc Compositions detergentes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53113806A (en) * 1977-03-16 1978-10-04 Kawaken Fine Chem Co Ltd Improved soap
JPS5695998A (en) * 1979-12-28 1981-08-03 Kao Corp Detergent composition
JPH06248300A (ja) * 1993-02-26 1994-09-06 Lion Corp 高嵩密度粒状洗剤組成物
DE4311440A1 (de) * 1993-04-07 1994-10-13 Henkel Kgaa Gerüststoff für Wasch- oder Reinigungsmittel
JPH0711294A (ja) * 1993-06-23 1995-01-13 Kao Corp 洗浄剤組成物
JPH1135980A (ja) * 1997-07-16 1999-02-09 Lion Corp 粒状ノニオン洗剤組成物及びその製造方法
WO2000034427A1 (fr) * 1998-12-10 2000-06-15 Unilever Plc Compositions detergentes

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 197845, Derwent World Patents Index; Class D25, AN 1978-81134A, XP002152233 *
DATABASE WPI Section Ch Week 198138, Derwent World Patents Index; Class A97, AN 1981-68698D, XP002152299 *
DATABASE WPI Section Ch Week 199440, Derwent World Patents Index; Class D25, AN 1994-322449, XP002152298 *
DATABASE WPI Section Ch Week 199512, Derwent World Patents Index; Class A25, AN 1995-085720, XP002134500 *
DATABASE WPI Section Ch Week 199920, Derwent World Patents Index; Class D25, AN 1999-232581, XP002152232 *

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