ZA200208005B - Detergent compositions. - Google Patents

Detergent compositions. Download PDF

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Publication number
ZA200208005B
ZA200208005B ZA200208005A ZA200208005A ZA200208005B ZA 200208005 B ZA200208005 B ZA 200208005B ZA 200208005 A ZA200208005 A ZA 200208005A ZA 200208005 A ZA200208005 A ZA 200208005A ZA 200208005 B ZA200208005 B ZA 200208005B
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ZA
South Africa
Prior art keywords
detergent composition
detergent
alkali metal
bleach
sodium
Prior art date
Application number
ZA200208005A
Inventor
Lesley Ebbrell
Timothy David Finch
Original Assignee
Unilever Plc
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 Plc filed Critical Unilever Plc
Publication of ZA200208005B publication Critical patent/ZA200208005B/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39Organic or inorganic per-compounds
    • C11D3/3942Inorganic per-compounds
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/26Organic compounds containing nitrogen
    • C11D3/33Amino carboxylic acids

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

Abstract

A laundry detergent composition containing surfactant and builder also contains a low level (0.5 to 5 wt%) of alkali metal persalt bleach, and from 0.05 to 5 wt% of iminodisuccinate (IDS) or hydroxyiminodisuccinate (HIDS). The composition provides improved stain removal, and reduced in-wash fading of chlorine-sensitive dyes, in wash liquors containing hypochlorite ions.

Description

\
J
& DETERGENT COMPOSITIONS
TECHNICAL FIELD
The present invention relates to laundry detergent compositions suitable for washing both white and coloured fabrics. The compositions exhibit improved stain removal, and reduced dye fading due to chlorine in wash water.
BACKGROUND
Chlorine (as alkali metal hypochlorite) is used in many parts of the world to purify water. To make sure that the water is safe, a small residual amount, typically about 0.5 ppm, of chlorine is left in the water. It has been found that even this small amount of chlorine can cause fading of chlorine-sensitive fabric dyes in the wash and in the rinse.
It is known that low levels of peroxy bleaches such as sodium perborate can be included in otherwise bleach-free laundry detergent compositions to act as chlorine scavengers.
It has now been discovered that laundry detergent
J compositions containing low levels of peroxy bleaches such [ as sodium perborate exhibit improved stain removal and better chlorine scavenging if iminodisuccinate (IDS) or hydroxyiminodisuccinate (HIDS) is present.
~ 07-03-2002 | EP0105015 . C4037 (c) pci
Epo
Amended 21 February 2002 0 Da 4 01 - 2 - 03. 200, * PRIOR ART hi
WO 91 17234A (Procter & Gamble) discloses low-pH granular laundry detergent compositions containing chlorine 5- scavengers which minimise the fading of pH-sensitive and chlorine-sensitive fabric dyes during laundering. Among the many chlorine scavengers disclosed are peroxide bleaches, for example, perborate. } 10 Iminodisuccinate (IDS) is known as a detergency builder and, in bleaching detergent compositions, as a stabiliser for peroxy bleach precursors.
US 3 697 453 (Pfizer) 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 End hydroxyiminodisuccinate (HIDS) are disclosed in
JP 09 110 813A (Nippon Shokubai) and JP 09 104 897A (Nippon
Shokubai) . HIDS as a detergency builder and complexing agent is disclosed in US 5 318 72¢ (Henkel KGaa).
EP 509 382A (W R Grace & Co/Hampshire Chemical Corporation) and DE 43 11 440A (Henkel KGaA) disclose a bleaching detergent composition comprising a bleaching agent and a : bleach stabiliser of defined formula which includes IDS. 6
JP 09 249 895A (Lion) and JP 09 310 097A (Lion) disclose detergent compositions containing 3 to 20 wt% IDS or HIDS to
AMENDED SHEET
[a " {a ’ . . 01-03-2002 EP0105015 _. C4037 (C) pC1
Amended 21 February 2002 —- 3 - » improve the stability or fabric substantivity of fluorescers (optical brighteners). 4
The use of 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).
DEFINITION OF THE INVENTION
Stove nN OY Ha INVENTION \
The present invention accordingly provides a laundry detergent composition comprising surfactant, builder, and oo optionally other non-bleach detergent ingredients, and also containing from 0.5 to 3 wt% of alkali metal persalt bleach . ' and from 0.05 to 5 wt% of a compound of the formula (I):
Y - CH - CH - NH - CH - CH, (I) ~~ COOX COOX COOX COOX : 20 wher&infY is H or OH and X is H or a solubilising cation.
A further subject of the invention is a method of removing stains from textile fabrics, which comprises laundering the fabrics by hand or machine in a wash liquor containing a : detergent composition as defined above and also containing hypochlorite ions.
N J
A further subject of the invention is the use of a compound of the formula I above, in an amount of from 0.05 to 5 wt, in a laundry detergent composition containing from 0.5 to 3 wt% of alkali metal persalt bleach, to improve stain ' removal performance and as a chlorine scavenger to prevent : AMENDED SHEET.
eS the fading of chlorine-sensitive dyes on coloured textile fabrics during laundering.
DETAILED DESCRIPTION OF THE INVENTION
The Compound of Formula I
The detergent compositions of the invention contain, as an essential ingredient, a compound of the formula I:
Y - CH - CH - NH - CH - CHj (1)
COOX COOX COOX COOX wherein Y is H or OH; and X is H or a solubilising cation, preferably a sodium ion.
If Y is a hydrogen atom, the formula I represents iminodisuccinic acid or a water-soluble salt thereof.
Iminodisuccinic acid, also known as N-(1,2-carboxyethyl)D,L- aspartic acid, has the formula (Ia) wherein X = H:
CHy - CH - NH - CH - CHy (Ia)
COOX COOX COOX COOX
‘ In the following description, the abbreviation "IDS" will be used to denote this material whether in acid or salt form.
IDS is commercially available from Bayer AG, Leverkusen,
Germany, and from Nippon Shokubai KK, Japan.
ne le ) : 01-03-2002 EP0105015 ©. C4037 (0) pel
Amended 21 February 2002 - 5 ¥ If Y is a hydroxyl group, the formula I represents hydroxyiminodisuccinic acid or a water-soluble salt thereof. @ :
Hydroxyiminodisuccinic acid has the formula (Ib) wherein X =
H:
HO - CH - CH - NH - CH - CH; (Ib) :
COOX COOX CO0OX COOX
In the following description, the abbreviation "HIDS" will be used to denote this material whether in acid or salt form. HIDS is commercially available from Nippon Shokubai
KK, Japan.
For the purposes of the present invention, the IDS or HIDS may be, and preferably is, in the form of a salt, i.e. X in the Formula I is a stable solubilising cation, preferably an alkali metal cation, more preferably sodium.
In the laundry detergent compositions of the invention, IDS or HIDS is present in an amount of from 0.05 to § wt%, more preferably from 0.05 to 2.5 wt%, most preferably from 0.2 to 2.5 wt%. The IDS or HIDS is preferably in sodium salt form. «@ . The Alkali Metal Persalt Bleach
SE osha td eral rersalt Bleach 4. 30 The alkali metal persalt bleach is present in an amount of
Co from 0.5 to 3 wt, preferably from 1 to 3 wt%. This amount
AMENDED SHEET
LY I . . 01-03-2002 EP0105015 ; C4037 (Cc) pCi
Amended 21 February 2002 - 6 - * can be distinguished from the higher levels typically used p in bleaching detergent compositions.
The alkali metal, preferably sodium, persalt bleach is preferably selected from perborates and percarbonate. The most preferred material is sodium perborate, in monohydrate or tetrahydrate form. Especially preferred is sodium perborate monohydrate.
The ratio of alkali metal persalt to IDS or HIDS is preferably within the range of from 3:1 to 1:3, more preferably from 2:1 to 1:2.
Detergent Compositions .15 . : The composition of the invention also contains other conventional detergent ingredients, other than bleaching ingredients. Essential ingredients are surfactants : (det&gent-active compounds) and detergency builders, and other non-bleach ingredients may optionally be present.
CL A preferred detergent composition according to the invention comprises: (a) from 5 to 60 wt% of one or more detergent surfactants, [0 ‘ (b) from 10 to 80 wt% of one or more detergency builders, p (c) from 0.5 to 3 wt% of alkali metal persalt bleach, ’ (d) from 0.05 to 5 wt% of IDS or HIDS,
AMENDED SHEET
(e) optionally other non-bleach detergent ingredients to : 100 wt%.
The detergent compositions of the invention may be of any physical form.
Surfactants (detergent-active compounds)
The detergent compositions 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.
Many 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 Cg-Ci5; primary and secondary alkylsulphates, particularly Cg-Cis primary alkyl sulphates; alkyl ether sulphates; olefin sulphonates; alkyl xylene sulphonates;
be i 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 Cg-Cag aliphatic alcohols ethoxylated with an average of from 1 to 20 moles of ethylene oxide per mole of alcohol, and more especially the C30-Cis 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, and polyhydroxyamides (glucamide).
Cationic surfactants that may be used include quaternary ammonium salts of the general formula RiRoR3R4N' 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 Rj; is a
Cg-C22 alkyl group, preferably a Cg-Cig or Ci12-Cig alkyl group, Rz is a methyl group, and Rj and Rg, which may be the same or different, are methyl or hydroxyethyl groups); and cationic esters (for example, choline esters).
In an especially preferred cationic surfactant of the a - general formula RiRoR3R4N" X , R1 represents a Cg-Cjg or Ciz- 5 Cis alkyl group, R; and Rs represent methyl groups, and Ry presents a hydroxyethyl group.
SE b
Amphoteric surfactants, for example, amine oxides, and zwitterionic surfactants, for example, betaines, may also be v present. 5 Preferably, the quantity of anionic surfactant is in the range of from 5 to 50% by weight of the total composition.
More preferably, the quantity of anionic surfactant is in the range of from 8 to 35% by weight.
Nonionic surfactant, if present, is preferably used in an amount within the range of from 1 to 20% by weight.
The total amount of surfactant present is preferably within the range of from 5 to 60 wt%.
Detergency Builders
The compositions may suitably contain from 10 to 80%, preferably from 15 to 70% by weight, of detergency builder.
Preferably, the quantity of builder is in the range of from 15 to 50% by weight.
The detergent compositions may contain as builder a 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. Alternatively, 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.
Especially preferred is 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.
Also preferred according to the present invention are : phosphate builders, especially sodium tripolyphosphate.
This may be used in combination with sodium orthophosphate, and/or sodium pyrophosphate. :
Other 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
N copolymers; polyaspartates; monomeric polycarboxylates such as citrates, gluconates, oxydisuccinates, glycerol mono-di- and trisuccinates, carboxymethyloxysuccinates, carboxy- methyloxymalonates, dipicolinates,
a hydroxyethyliminodiacetates, alkyl- and alkenylmalonates and succinates; and sulphonated fatty acid salts. [3
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 polymers, suitably used in amounts of from 0.5 to 15 wt %, preferably from 1 to 10 wt%. Suitable polymers include homo- and copolymers of acrylic acid and maleic acid, especially polyacrylates, acrylic/maleic copolymers, and copolymers of maleic acid and methyl vinyl ether.
Builders, both inorganic and organic, are preferably present in alkali metal salt, especially sodium salt, form.
Other Ingredients
The detergent compositions 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 (proteases) are catalytically active protein materials which degrade or alter protein types @ of stains when present as in fabric stains in a hydrolysis 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.
Other enzymes that may suitably be present include lipases, amylases, and cellulases including high-activity cellulases such as "Carezyme").
In particulate detergent compositions, detergency enzymes are commonly employed in granular form in amounts of from about 0.1 to about 3.0 wt%. However, any suitable physical form of enzyme may be used in any effective amount.
Antiredeposition agents, for example cellulose esters and ethers, for example sodium carboxymethyl cellulose, may also be present. :
The compositions may also contain soil release polymers, for example sulphonated and unsulphonated PET/POET polymers, both end-capped and non-end-capped, and polyethylene glycol/polyvinyl 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).
Other ingredients that may be present include solvents, 30, 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.
Product Form
As previously indicated, the compositions of the invention may be of any suitable physical form, for example, particulates (powders, granules, tablets), liquids, pastes, gels or bars.
According to one especially preferred embodiment of the invention, the detergent composition is in particulate form.
If necessary, the IDS may be incorporated in particulate compositions in the form of granules containing an inert carrier material.
Compositions in powder form may be of any bulk density and may be prepared by spray-drying, non-tower granulation, or any combination of these techniques.
The Chlorine Scavenging Benefit
The incorporation of IDS when low levels of alkali metal persalt are present has also been found to reduce the fading wy 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: as indicated previously, residual levels of 0.5 ppm are typical. This causes fading of dyes of a wide range of i ¥ « 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.
The Stain Removal Benefit
A further benefit for the incorporation of IDS has also been observed: a significant improvement in the removal of certain highly coloured stains, for example, red wine.
EXAMPLES
The invention will now be illustrated in further detail by means of the following Examples, in which parts and percentages are by weight unless otherwise stated. Examples designated with a number illustrate the invention, while examples designated with a letter are comparative.
The IDS used in the Examples was tetrasodium iminodisuccinate ex Bayer. The HIDS used in the Examples was tetrasodium hydroxyiminodisuccinate ex Nippon Shokubai.
EXAMPLES 1 and 2, COMPARATIVE EXAMPLES A and B
Protection of Coloured Cotton Fabric Against Fading a . Ca
Particulate laundry detergent compositions were prepared by conventional spray-drying and postdosing techniques to the following general formulation:
dy b [S
Sodium linear alkylbenzene sulphonate (NaLAS) 23.71
Sodium silicate (anhydrous)
Sodium tripolyphosphate
Sodium carboxymethyl cellulose
Polyacrylate polymer
Sodium perborate monohydrate (if present)
IDS or HIDS (Na salt) (if present)
Sodium sulphate, fluorescer, zeolite, perfume, to 100 enzymes, water, impurities
Red and black cotton test cloths were prepared by dyeing white cotton cloths with red or black reactive dyes at a loading of 1 g/kg.
The test cloths were washed four times in tergotometers using the following wash conditions: - Trace levels of metal ions: Fe = 2.5 ppm, Cu = 0.5 ppm, °
Zn = 5 ppm, Mn = 2.0ppm - Trace level of NaOCl: 0.5 ppm - Water hardness (wash and rinse): 26 °FH Ca - Product dosage: 2.5 g/l - Liquor to cloth ratio in the wash and rinse: 200 to 1 - Wash time: 20 minutes - Number of rinses: 2 ” - Agitation: 75 rpm . - Wash temperature: 40°C.
The washed fabrics were then line-dried in the shade.
* Fading was assessed by measuring reflectance changes at 530 nm for the red cloths and 600 nm for the black cloths. ’ The results are shown in the table below: the lower the AR value, the lower the level of fading.
Example IDS or Na perborate | Red cotton [Black cotton
Ns
EO EN CS ECR ZC
I EN CL CER JE I
EXAMPLES 3 and 4, COMPARATIVE EXAMPLES C to F
Stain Removal
White cotton test cloths stained with red wine (EMPA 114) were washed in tergotometers using the same formulations and under the same conditions as described above, and line-dried in the shade.
Stain removal was assessed by measuring reflectance changes at 580 nm. An increase in reflectance indicates removal of } the stain so the larger the figures, the better. . 20 As indicated previously, the total wash duration was minutes. Reflectance measurements were taken after 5 minutes, after 10 minutes and after 20 minutes.
) The results, shown as AAR580 as compared with a control formulation containing no perborate and no IDS or HIDS, were as shown below. : Example IDS Na perborate AAR 580 monohydrate mins mins mins
EH EL CN CC EC EXC
ICH CC EL EE CES CCN
5
Example | HIDS Na perborate AAR 580 monohydrate 5 10 20 mins mins mins
EO EC LEC CN EE

Claims (10)

01-03-2002 EP0105015 C4037 (C) PC1 ) Ero - Sees . Amended 21 February 2002 REE ) n 7 # - 18 - 03. 2007 ® CLAIMS
1. A laundry detergent composition comprising surfactant, builder, and optionally other detergent ingredients, : 5) characterised in that it further comprises from 0.5 to 3 wt% of alkali metal persalt bleach and from 0.05 to S wt% of a compound of the formula I: Y - CH - CH - NH - CH - CHp (1) COOX COOX COOX COOX wherein Y is H or OH, and X is H or a solubilising cation. Co
2. A detergent composition as claimed in claim 1, characterised in that it comprises: : (a) from 5 to 60 wt% of one or more detergent surfactants, - (b) from 10 to 80 wt% of one or more detergency : builders, ~ (¢) from 0.5 to 3 wt% of alkali metal persalt bleach, (d) from 0.05 to 5 wt% of a compound of the formula I, (e) optionally other non-bleach detergent ingredients . 30 to 100 wt%. AMENDED SHEET
3. A detergent composition as claimed in claim 1 or claim 2, characterised in that it comprises from 0.2 to 2.5 wt% of the compound of the formula I.
4. A detergent composition as claimed in any preceding : claim, characterised in that the compound of the formula I is iminodisuccinic acid or a salt thereof.
5. A detergent composition as claimed in any preceding claim, characterised in that the alkali metal persalt bleach is present in an amount of from 1 to 3 wt%.
6. A detergent composition as claimed in any preceding claim, characterised in that the alkali metal persalt bleach is sodium perborate.
7. A detergent composition as claimed in any preceding claim, characterised in that it is in particulate form.
8. A detergent composition ‘as claimed in any preceding claim, characterised in that it comprises one or more non-bleach detergent ingredients selected from enzymes, antiredeposition polymers, scil release : polymers, dye transfer inhibiting polymers, solvents, hydrotropes, fluorescers, photobleaches, foam boosters, foam controllers (antifoams), sodium carbonate, sodium bicarbonate, sodium silicate, sodium sulphate, calcium chloride, other inorganic salts, fabric conditioning compounds, and perfumes. Amended Sheet 2003-11-28
"01-03-2002 EP0105015 C4037 (C) PpC1 Amended 21 February 2002 - 20 -
9. A method of removing stains from textile fabrics, characterised in that it comprises laundering the fabrics by hand or machine in a wash liquor containing a detergent composition as claimed in any one of claims 1 to 8 and also containing hypochlorite ions. ©
10. Use of a compound of the formula I: Y - CH - CH - NH - CH - CH, (I) COOX COOX COOX COOX : wherein Y is H or OH, and X is H or a solubilising cation, in an amount of from 0.05 to 5S wt%, in a laundry detergent composition containing from 0.5 to 3 wt% of alkali metal persalt bleach, to improve the oo stain removal performance of the composition and as a chlorine scavenger to reduce the fading of chlorine- sensitive dyes in the presence of hypochlorite ions. . : AMENDED SHEET
ZA200208005A 2000-05-15 2002-10-04 Detergent compositions. ZA200208005B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0011678.0A GB0011678D0 (en) 2000-05-15 2000-05-15 Detergent compositions

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ZA200208005B true ZA200208005B (en) 2003-10-06

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EP (1) EP1299512B1 (en)
CN (1) CN1283770C (en)
AT (1) ATE254165T1 (en)
AU (1) AU6225801A (en)
BR (1) BR0110686A (en)
DE (1) DE60101228T2 (en)
ES (1) ES2210165T3 (en)
GB (1) GB0011678D0 (en)
TR (1) TR200302312T4 (en)
WO (1) WO2001088077A1 (en)
ZA (1) ZA200208005B (en)

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* Cited by examiner, † Cited by third party
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US6455487B1 (en) * 2002-03-21 2002-09-24 Colgate Palmolive Company Liquid cleaning composition containing a preservative and an effective chelating agent
EP2476314A4 (en) * 2009-09-07 2015-04-29 Lion Corp Disinfectant composition and disinfecting method
DE102012218021A1 (en) 2012-10-02 2014-04-03 Henkel Ag & Co. Kgaa Improved washing or cleaning agents with complexing agents II
DE102012218019A1 (en) 2012-10-02 2014-04-03 Henkel Ag & Co. Kgaa Improved washing or cleaning agents with complexing agents I

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4024552A1 (en) * 1990-08-02 1992-02-06 Henkel Kgaa DERIVATIVE AMINO STINIC ACID AS A COMPLEXING AGENT
US5362412A (en) * 1991-04-17 1994-11-08 Hampshire Chemical Corp. Biodegradable bleach stabilizers for detergents
JP3623971B2 (en) * 1993-02-26 2005-02-23 ライオン株式会社 High bulk density granular detergent composition
DE4311440A1 (en) * 1993-04-07 1994-10-13 Henkel Kgaa Builder for detergents or cleaners
EP0678572A1 (en) * 1994-04-20 1995-10-25 The Procter & Gamble Company Detergent powder compositions
DE19528059A1 (en) * 1995-07-31 1997-02-06 Bayer Ag Detergent and cleaning agent with imino disuccinates
JPH09279183A (en) * 1996-04-10 1997-10-28 Kao Corp Granular high-density detergent composition
EP0892040B1 (en) * 1997-07-16 2003-03-05 Nippon Shokubai Co., Ltd. Use of Chelating compositions for cleaning
JP3290382B2 (en) * 1997-07-18 2002-06-10 花王株式会社 Powder detergent composition
JP2000290698A (en) * 1999-04-02 2000-10-17 Asahi Denka Kogyo Kk Powdery detergent composition

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EP1299512A1 (en) 2003-04-09
CN1522297A (en) 2004-08-18
ES2210165T3 (en) 2004-07-01
TR200302312T4 (en) 2004-01-21
AU6225801A (en) 2001-11-26
ATE254165T1 (en) 2003-11-15
DE60101228T2 (en) 2004-04-22
CN1283770C (en) 2006-11-08
WO2001088077A1 (en) 2001-11-22
GB0011678D0 (en) 2000-07-05
EP1299512B1 (en) 2003-11-12
DE60101228D1 (en) 2003-12-18

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