EP0802957A1 - Composition detergente - Google Patents

Composition detergente

Info

Publication number
EP0802957A1
EP0802957A1 EP96902617A EP96902617A EP0802957A1 EP 0802957 A1 EP0802957 A1 EP 0802957A1 EP 96902617 A EP96902617 A EP 96902617A EP 96902617 A EP96902617 A EP 96902617A EP 0802957 A1 EP0802957 A1 EP 0802957A1
Authority
EP
European Patent Office
Prior art keywords
alkyl
detergent composition
surfactant
weight
chain lengths
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.)
Withdrawn
Application number
EP96902617A
Other languages
German (de)
English (en)
Other versions
EP0802957A4 (fr
Inventor
Gerard Marcel Baillely
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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 Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of EP0802957A1 publication Critical patent/EP0802957A1/fr
Publication of EP0802957A4 publication Critical patent/EP0802957A4/fr
Withdrawn legal-status Critical Current

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
    • C11D3/02—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
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146—Sulfuric acid esters
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/29—Sulfates of polyoxyalkylene ethers
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols

Definitions

  • the present invention relates to a detergent composition
  • a detergent composition comprising a surfactant system and a zeolite component as a sequestering agent for water hardness.
  • Detergent compositions containing synthetic detergents, particularly linear alkyl benzene sulfonate salts are well known in the art and are in widespread commercial use.
  • linear alkyl benzene sulfonate salt forms part of a surfactant mixture in association with one or more other anionic or nonionic surfactants.
  • alkyl sulfate surfactant An example of an anionic surfactant which is readily derivable from renewable natural sources and which could replace the alkyl benzene sulfonate component either partially or in total is alkyl sulfate surfactant.
  • Detergent compositions including alkyl sulfate surfactant derived from naturally occurring fats and oils are known in the art.
  • GB-A- 1,399,966 in the name of the Procter & Gamble Company, discloses a detergent composition containing alkyl sulfate surfactant derived from tallow oil, or from coconut oil.
  • EP-A-342,917 describes a surfactant system, derived preferably from natural feedstock material, comprising an anionic surfactant the major ingredient of which is an alkyl sulfate of mixed alkyl chain length such that at least 10% by weight of the alkyl chains present in the alkyl sulfate are C12 chains and at least 20% by weight of the alkyl chains are C-j ⁇ chains.
  • water soluble inorganic phosphates such as sodium tripolyphosphate
  • sodium tripolyphosphate have been used as builders for laundry detergents.
  • alkali metal aluminosilicate ion-exchangers particularly crystalline water insoluble sodium aluminosilicate zeolites, have been proposed as replacements for the inorganic phosphates.
  • EP 21 491 A (Procter & Gamble) discloses detergent compositions containing a builder system which includes zeolite A, X or P (B) or a mixture thereof.
  • EP 384070A (Unilever) discloses specific zeolite P materials having an especially low silicon to aluminium ratio not greater than 1.33 (hereinafter referred to as zeolite MAP) and describes their use as detergency builders.
  • zeolite MAP is used, particularly as a substitute for zeolite A, in combination with the surfactant system containing alkyl sulfate surfactants having a high proportion of alkyl chain lengths greater than C14, in combination with nonionic surfactant.
  • an alkyl sulfate surfactant system comprising a mixture of alkyl chain lengths wherein the weight distribution of the alkyl chain lengths is such that less than 20% by weight of the alkyl chains are of chain length less than C 14;
  • zeolite builder comprising zeolite P having a silicon to aluminium ratio of not greater than 1.33 (zeolite MAP)
  • the alkyl sulfate surfactant system is derived from natural sources and comprises a mixture of alkyl chain lengths wherein the weight distribution of the alkyl chain lengths is such that from 30% to 80% by weight of the alkyl chain lengths are C14, from 30% to 50% by weight of the alkyl chain lengths are C-
  • composition contains an alkyl ethoxysulfate surfactant as an anionic cosurfactant.
  • the nonionic surfactant is a hydrohobic nonionic surfactant, preferably an alkoxylated nonionic surfactant, having a hydrophilic lipophilic balance (hlb) value of less than 9.5.
  • composition is preferably free of alkyl benzene sulfonate.
  • the first essential component of the detergent compositions of the invention is an alkyl sulfate surfactant system comprising a mixture of alkyl chain lengths wherein the weight distribution of the alkyl chain lengths is such that less than 20% by weight of the alkyl chain lengths are of chain length less than C ⁇
  • the alkyl sulfate surfactant system is preferably present in the detergent compositions at a level of from 1% to 50%, preferably from 3% to 30%, most preferably from 5% to 20% by weight of the compositions.
  • the alkyl sulfate surfactant system is derived from natural sources, and in a particularly preferred execution comprises a mixture of alkyl chain lengths wherein the weight distribution of the alkyl chain lengths is such that from 35% to 70%, most preferably from 40% to 60% of the alkyl chains are C14, from 30% to 50%, preferably from 30% to 40%, most preferably from 32% to 38% of the alkyl chains are C-
  • the alkyl chain portion of the surfactant is derived from naturally occurring fats and oil.
  • Natural oils and fats provide feedstock material encompassing a range of alkyl chain lengths.
  • the alkyl chains are predominantly linear, in contrast to the branched nature of feedstock obtained from synthetic sources.
  • tallow fat contains a high proportion (typically about 70%) of C-i ⁇ alkyl chains.
  • coconut and palm oil on the other hand contain a high proportion of C12 alkyl chains (typically about 55%) and lesser proportions of C-
  • Alkyl chains derived from natural oils and fats typically have chains with even numbers of carbon atoms, most typically C12. 14, C ⁇ and C-
  • the alkyl chains may contain a small proportion of unsaturated, e.g. : alkenyl, chains which if desired may be hydrogenated, or "hardened” to minimize these impurity levels.
  • the alkyl sulfate surfactant is produced from alcohols obtained by reduction of the natural oils and fats. Examples of natural oils and fats include those derived from coconut, babassu, palm kernel, beef tallow, kapok, olive, peanut, sesame and teaseed.
  • Alkyl sulfate surfactant of the desired alkyl chain length distribution is obtained from natural feedstock, meaning natural oils or fats, or any mixtures thereof, or the natural alcohols derived therefrom, by any suitable physical process which allows for the separation of such feedstock into different components with the desired alkyl chain length distributions. Suitable physical processes would include, for example, distillation processes.
  • the separation of feedstock material into different components of desired composition is often referred to in the industry as "cutting" of the feedstock (into desired “cuts”). The different components (or cuts) may then be used as such, or blended, as appropriate to allow for derivation of the alkyl sulfate surfactant with the desired alkyl chain length distribution.
  • the detergent compositions preferably also contain an alkyl ethoxvsulfate surfactant.
  • the weight ratio of the alkyl sulfate surfactant to the alkyl ethoxysulfate surfactant is preferably from 2:1 to 19:1 more preferably from 3:1 to 12:1 and most preferably from 3.5:1 to 10:1.
  • the alkyl ethoxysulfate surfactant is preferably a water soluble C12-C18 alkyl ethoxysulfate surfactant containing an average of from 1 to 7 moles ethylene oxide per mole derived from the condensation product of a C12- C-
  • Examples of naturally occurring materials from which the alcohols can be derived are coconut oil and palm kernel oil and the corresponding fatty acids.
  • C12-C14 alkyl ethoxysulfate salts with an average of from one to five ethoxy groups per mole, and most preferably with an average of from one to three ethoxy groups per mole.
  • the second essential component of the detergent composition according to the present invention is a nonionic surfactant.
  • the nonionic surfactant is preferably present in the detergent compositions at a level of from 1% to 50%, preferably from 2% to 20%, most preferably from 3% to 10% by weight of the compositions.
  • the nonionic surfactant is preferably a hydrophobic nonionic surfactant, particularly an alkoxylated nonionic surfactant, having a hydrophilic lipophilic balance (hlb) value of ⁇ 9.5, more preferably ⁇ 10.5.
  • hlb hydrophilic lipophilic balance
  • hydrophobic alkoxylated nonionic surfactants include alkoxylated adducts of fatty alcohols containing an average of less than 5 alkylene oxide groups per molecule.
  • the alkylene oxide residues may, for example, be ethylene oxide residues or mixtures thereof with propylene oxide residues.
  • Preferred alkylene oxide adducts of fatty alcohols useful in the present invention can suitably be chosen from those of the general formula: R-O-(C n H 2n O)yH
  • R is an alkyl or alkenyl group having at least 10 carbon atoms, most preferably from 10 to 22 carbon atoms, y is from 0.5 to 3.5 and n is 2 or 3.
  • Preferred nonionic surfactants include primary C-j 1-C-15 aliphatic alcohols condensed with an average of no more than five ethylene oxide groups per mole of alcohol, having an ethylene oxide content of less than 50% by weight, preferably from 25% to less than 50% by weight.
  • a particularly preferred aliphatic alcohol ethoxylated is a primary alcohol having an average of 12 to 15 carbon atoms in the alkyl chain condensed with an average of three ethoxy groups per mole of alcohol.
  • alkoxylated adducts of fatty alcohols are Synperonic A3 (ex ICI), which is a C13-C15 alcohol with about three ethylene oxide groups per molecule and Empilan KB3 (ex Marchon), which is lauric alcohol 3EO.
  • Another class of nonionic sufactants comprises alkyl polyglucoside compounds of general formula
  • Z is a moiety derived from glucose; R is a saturated hydrophobic alkyl group that contains from 12 to 18 carbon atoms; t is from 0 to 10 and n is 2 or 3; x is from 1.1 to 4, the compounds including less than 10% unreacted fatty alcohol and less than 50% short chain alkyl polyglucosides.
  • R is a saturated hydrophobic alkyl group that contains from 12 to 18 carbon atoms; t is from 0 to 10 and n is 2 or 3; x is from 1.1 to 4, the compounds including less than 10% unreacted fatty alcohol and less than 50% short chain alkyl polyglucosides.
  • Zeolite MAP builder Zeolite MAP builder
  • the detergency builder system is based on zeolite MAP, optionally in conjunction with one or more supplementary builders.
  • the amount of zeolite MAP employed may range, for example, from 5 to 60 wt.%, more preferably from 15 to 40 wt.%.
  • Zeolite MAP is described in EP 384070A (Unilever). It is defined as an alkali metal alumino-silicate of the zeolite P type having a silicon to aluminium ratio not greater than 1.33, preferably within the range from 0.9 to 1.33 and more preferably within the range of from 0.9 to 1.2.
  • zeolite MAP having a silicon to aluminium ratio not greater than 1.15 and, more particularly, not greater than 1.07.
  • Zeolite P having a Si:AI ratio of 1.33 or less may be prepared by the following steps:
  • Preferred drying methods are spray-drying and flash drying. It appears that oven drying at too high a temperature may adversely affect the calcium binding capacity of the product under certain circumstances.
  • Zeolite MAP generally has a calcium binding capacity of at least 150 mg CaO per g of anhydrous aluminosilcate, as measured by the standard method described in GB 1473201 (Henkel).
  • the calcium binding capacity is normally 160 mg CaO/g and may be as high 170 mg CaO/g.
  • zeolite MAP like other zeolites contains water of hydration
  • pu ⁇ oses of the present invention amounts and percentages of zeolite are expressed in terms of the notional anhydrous material.
  • the amount of water present in hydrated zeolite MAP at ambient temperature and humidity is generally about 20 wt.%.
  • the zeolite MAP detergent builder is in powder form. Additional detergent components
  • the detergent composition according to the invention can include one or more other surfactants selected from anionics, zwitterionics, ampholytics and cationics.
  • Suitable additional anionic surfactants include olefin sulphonates, alkyl xylene sulphonates, dialkylsulphosuccinates, and fatty acid ester sulphonates. Sodium salts are generally preferred.
  • the builder system may contain an organic or inorganic cobuilder.
  • Suitable organic cobuilders can be monomeric or polymeric carboxylates such as citrates or polymers of acrylic, methacrylic and/or maleic acids in neutralised form.
  • Suitable inorganic cobuilders include carbonates and amorphous and crystalline lamellar sodium silicates.
  • Suitable lamellar silicates have the composition:
  • M is sodium or hydrogen, preferably sodium; x is a number from 1.9 to 4; and y is a number from 0 to 20.
  • M is sodium or hydrogen, preferably sodium; x is a number from 1.9 to 4; and y is a number from 0 to 20.
  • the synthetic material is commercially available from Hoechst AG as ⁇ -Na2 Si2 ⁇ s (SKS6) and is described in US Patent No. 4664830.
  • the total amount of detergency builder in the granular composition typically ranges from 10 to 80 wt.%, more preferably from 15 to 60 wt% and most preferably from 10 to 45 wt.%.
  • Detergent compositions according to the invention may also suitably contain a bleach system.
  • a bleach system preferably comprises one or more peroxy bleach compounds, for example, inorganic persalts or organic peroxyacids, which may be employed in conjunction with bleach precursors to improve bleaching action at low temperatures.
  • the bleach system preferably comprises a peroxy bleach compound, preferably an inorganic persalt, optionally in conjunction with a precursor.
  • Suitable persalts include sodium perborate monohydrate and tetrahydrate and sodium percarbonate, with sodium percarbonate being most preferred.
  • Preferred bleach precursors are peracetic acid precursors, such as tetraacetylethylene diamine (TAED); peroxybenzoic acid precursors.
  • TAED tetraacetylethylene diamine
  • compositions of the invention include, for example, fluorescers, antiredeposition agents, inorganic salts such as sodium sulphate, other enzymes, lather control agents, fabric softening agents, pigments, coloured speckles and perfumes.
  • the detergent composition according to the invention may be of any physical type, for example powders, liquids and gels. However, granular and liquid compositions are preferred.
  • the detergent compositions of the invention may be prepared by any suitable method.
  • the particulate detergent compositions are suitably prepared by any tower (spray-drying) or non-tower process.
  • a base powder is first prepared by spray-drying a slurry and then other components unsuitable for processing via the slurry can be sprayed on or admixed (postdosed).
  • the lipase enzyme will generally be post-dosed.
  • the zeolite MAP is suitable for inclusion in the slurry, although it may be advantageous for processing reasons for part of the zeolite MAP to be incorporated post-tower.
  • the lamellar silicate, where this is employed, is also incorporated via a non-tower process and is preferably postdosed.
  • particulate detergent compositions in accordance with the invention may be prepared by wholly non-tower processes such as granulation.
  • the granular detergent compositions of the invention may be prepared to any suitable bulk density.
  • the compositions preferably have a bulk density of at least 400 g/l preferably at least 550 g/l, most preferably at least 700 g/l and, with particular preference at least 800 g/l.
  • powders of high bulk density for example, of 700 g l or above.
  • Such powders may be prepared either by post-tower densification of spray- dried powder, or by wholly non-tower methods such as dry mixing and granulation; in both cases a high-speed mixer/granulator may advantageously be used.
  • Processes using high-speed mixer/granulators are disclosed, for example, in EP340 013A, EP 367 339A, EP 390 251 A and EP 420 317A (Unilever).
  • the detergent composition of the invention may be formulated as a liquid detergent composition which may be aqueous or anhydrous.
  • liquid used herein includes pasty viscous formulations such as gels.
  • the liquid detergent composition generally has a pH of from 6,5 to 10.5.
  • the total amount of detergency builder in the liquid composition is preferably from 5 to 70% of the total liquid composition.
  • compositions according to the present invention are presented in the following Examples.
  • the abbreviated component identifications have the following meanings: 246AS Sodium alkyl sulfate surfactant containing a alkyl chain length weight distribution of 15% C12 alkyl chains, 45% C14 alkyl chains, 35% C-
  • TAS Sodium alkyl sulfate surfactant containing predominantly C-
  • Silicate Amorphous Sodium Silicate (SiO2:Na2O ratio normally follows)
  • Enzyme Proteolytic enzyme sold by Novo Industries AS of activity 4.0 KNPU Enzyme Proteolytic enzyme sold by Novo Industries AS of activity 4.0 KNPU.

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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

La composition détergente de l'invention contient un système tensioactif pourvu de sulfate d'alkyle et de composants de tensioactifs anioniques, et un adjuvant au pouvoir détergent comprenant la zéolite P dont le rapport silicium/aluminium est supérieur à 1,33 (zéolite MAP). Les compositions détergentes granulaires et liquides sont préférées et des procédés de fabrication de ces compositions sont également décrits.
EP96902617A 1995-01-12 1996-01-05 Composition detergente Withdrawn EP0802957A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9500592A GB2296919A (en) 1995-01-12 1995-01-12 Detergent composition
GB9500592 1995-01-12
PCT/US1996/000214 WO1996021705A1 (fr) 1995-01-12 1996-01-05 Composition detergente

Publications (2)

Publication Number Publication Date
EP0802957A1 true EP0802957A1 (fr) 1997-10-29
EP0802957A4 EP0802957A4 (fr) 1999-11-24

Family

ID=10767941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96902617A Withdrawn EP0802957A4 (fr) 1995-01-12 1996-01-05 Composition detergente

Country Status (6)

Country Link
EP (1) EP0802957A4 (fr)
AR (1) AR000715A1 (fr)
BR (1) BR9607176A (fr)
CA (1) CA2209667A1 (fr)
GB (1) GB2296919A (fr)
WO (1) WO1996021705A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19807805A1 (de) 1998-02-26 1999-09-02 Henkel Kgaa Tensidkombination, enthaltend spezielle anionische Tenside
MY133398A (en) * 1999-07-09 2007-11-30 Colgate Palmolive Co Fabric cleaning composition containing zeolite

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0342917A2 (fr) * 1988-05-17 1989-11-23 Unilever Plc Composition détergente
EP0384070A2 (fr) * 1988-11-03 1990-08-29 Unilever Plc Zéolite P, son procédé de préparation et son utilisation dans les compositions détergentes
EP0544492A1 (fr) * 1991-11-26 1993-06-02 Unilever Plc Compositions détergents sous forme particulaire
WO1995027027A1 (fr) * 1994-03-31 1995-10-12 The Procter & Gamble Company Composition detergente comprenant un adjuvant tel que la zeolite map
WO1995027028A1 (fr) * 1994-03-31 1995-10-12 The Procter & Gamble Company Compositions detergentes
EP0684301A2 (fr) * 1994-04-28 1995-11-29 The Procter & Gamble Company Composition détergente granulaire

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2040987B (en) * 1977-06-29 1982-08-25 Procter & Gamble Solid detergent composition for improved greasy soil removal
GB8310698D0 (en) * 1983-04-20 1983-05-25 Procter & Gamble Detergent compositions
ATE32328T1 (de) * 1983-08-22 1988-02-15 Henkel Kgaa Stabilisierte, waessrige zeolith-suspension.
GB8504733D0 (en) * 1985-02-23 1985-03-27 Procter & Gamble Ltd Detergent compositions
GB8617255D0 (en) * 1986-07-15 1986-08-20 Procter & Gamble Ltd Laundry compositions
GB8811447D0 (en) * 1988-05-13 1988-06-15 Procter & Gamble Granular laundry compositions
GB9305599D0 (en) * 1993-03-18 1993-05-05 Unilever Plc Detergent compositions

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0342917A2 (fr) * 1988-05-17 1989-11-23 Unilever Plc Composition détergente
EP0384070A2 (fr) * 1988-11-03 1990-08-29 Unilever Plc Zéolite P, son procédé de préparation et son utilisation dans les compositions détergentes
EP0544492A1 (fr) * 1991-11-26 1993-06-02 Unilever Plc Compositions détergents sous forme particulaire
WO1995027027A1 (fr) * 1994-03-31 1995-10-12 The Procter & Gamble Company Composition detergente comprenant un adjuvant tel que la zeolite map
WO1995027028A1 (fr) * 1994-03-31 1995-10-12 The Procter & Gamble Company Compositions detergentes
EP0684301A2 (fr) * 1994-04-28 1995-11-29 The Procter & Gamble Company Composition détergente granulaire

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9621705A1 *

Also Published As

Publication number Publication date
CA2209667A1 (fr) 1996-07-18
AR000715A1 (es) 1997-08-06
WO1996021705A1 (fr) 1996-07-18
BR9607176A (pt) 1997-11-11
GB9500592D0 (en) 1995-03-01
GB2296919A (en) 1996-07-17
EP0802957A4 (fr) 1999-11-24
MX9705330A (es) 1997-10-31

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