CN1123558A - Concentrated liquid detergent containing suspended peroxygen bleach, organic solvent and 5-20% water - Google Patents
Concentrated liquid detergent containing suspended peroxygen bleach, organic solvent and 5-20% water Download PDFInfo
- Publication number
- CN1123558A CN1123558A CN 94192141 CN94192141A CN1123558A CN 1123558 A CN1123558 A CN 1123558A CN 94192141 CN94192141 CN 94192141 CN 94192141 A CN94192141 A CN 94192141A CN 1123558 A CN1123558 A CN 1123558A
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- China
- Prior art keywords
- composition
- organic solvent
- water
- ether
- sodium
- Prior art date
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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
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2006—Monohydric alcohols
- C11D3/201—Monohydric alcohols linear
-
- 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
-
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2041—Dihydric alcohols
- C11D3/2044—Dihydric alcohols linear
-
- 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
- C11D3/20—Organic compounds containing oxygen
- C11D3/2068—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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3947—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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/04—Carboxylic acids or salts thereof
- C11D1/08—Polycarboxylic acids containing no nitrogen or sulfur
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)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
The present invention relates to liquid detergent bleach-containing compositions which are formulated as a neat phase in order to exhibit good chemical and physical stability.
Description
Technical field
The present invention relates to contain the concentrated liquid detergent composition of the solid peroxy compound (peroxygencompound) of suspension.
Background
For satisfying long-term needs for the aqueous liquid detergent compositions that contains peroxygen bleach, said composition should be simultaneously stable and effective, EP-A-293040 and EP-A-294904 described have pH greater than 8, contain conventional content promptly greater than 5% (weight), generally be anion surfactant and a kind of aqueous cleaning composition that is suspended in the water miscible solid peroxygen bleach in specific water/solvent medium of 15%-40% (weight).
In such composition, to note the physical stability of suspended particle in liquid medium especially.By a kind of selection scheme of EP-A-0430330 representative, it has described the liquid detergent composition that solid particulate wherein, particularly peroxy compound particle are suspended by the method for structure phase (tensio-active agent " net phase ").
It is that solid particulate such as zeolite are suspended in currently known methods in the liquid detergent composition that tensio-active agent becomes the structure net phase, specifically referring to EP-A-79646, EP-A-170091 and EP-A-295021.
In containing the liquid detergent composition of SYNTHETIC OPTICAL WHITNER, chemical stability also is the aspect of an important care, in order to obtain best chemical stability, should need high-load organic solvent in principle.But, find the be formed with adverse influence of high-content organic solvent to the tensio-active agent net phase, so, when suspending peroxy bleaching compound mutually, be not easy to reach good balance between chemical stability and the physical stability with structure.
Under the situation of percarbonate, this problem is sharp-pointed especially, and it more is difficult to by chemically stable than perborate.
The invention provides the concentrated liquid detergent composition that is formulated as net phase, wherein the solid peralcohol of Xuan Fuing such as perborate or percarbonate, particularly percarbonate are chemically and physically stable.Really, the invention provides the liquid detergent composition that contains SYNTHETIC OPTICAL WHITNER, said composition is shows good chemical stability, and is the form of completely stable structure phase.
Summary of the invention
The present invention relates to contain tensio-active agent, water, organic solvent and with the liquid detergent composition of the solid peroxy compound of suspended particle form.Described composition comprises and is at least 10% following formula: compound by whole composition weight meters,
RO(CH
2CH
2O)
yH
In the formula:
R is C
nAlkyl, alkenyl, aryl or alkylaryl,
And n is the integer of 4-22,
And y=0-4,
And if y ≠ 0, then n/y 〉=2.
In composition according to the present invention, the content of water is the 5%-20% of composition gross weight, and the weight ratio of organic solvent and water is at least 0.8.
Describe in detail
The structure phase
Hereinafter, term " structure phase " refers to the composition that is essentially laminate structure or spherulitic crystal structure, and wherein water layer by two-layer hydrophobic substance separately.Such laminate structure is to be determined by the product that intersects between the Nichol prism with observation by light microscope.This structure phase is characterised in that specific structure, for example by F.B.Rosevear, and Journalof the American Oil Chemists Society, Vol, 3,628 pages, 1954 structures of describing.
Importantly, composition of the present invention must contain tensio-active agent and organic solvent.The said composition of the present invention can be configured to a kind of structure phase, RO (CH by following formula: compound or its mixture that adds at least 10% (weight)
2CH
2O)
yIn the H formula:
R is C
nAlkyl, alkenyl, alkynyl, aryl or alkylaryl,
N is the integer of 4-22,
And y=0-4,
And if y ≠ 0, then n/y 〉=2.
According to the preferred compound of this definition is the nonionogenic tenside that the condensation product that formed by oxyethane and Fatty Alcohol(C12-C14 and C12-C18) condensation in the presence of acidity or basic catalyst is formed.The preferred Fatty Alcohol(C12-C14 and C12-C18) with 13 to 15 carbon atoms that uses prepares this condensation product.
According to top definition, also preferred compound is the solvent as butanols, butyl cellosolve, benzyl alcohol, hexyl glycol ether ether, butyldiglycol ether and its mixture.
Therefore, preferred compositions of the present invention contains at least a above-mentioned organic solvent or nonionogenic tenside defined above or this compound of two types.
Most preferably above-mentioned organic solvent should with, for example other solvents hereinafter described are used in combination.Similarly, above-mentioned nonionogenic tenside preferably with hereinafter described the anion surfactant and/or the tensio-active agent of other types, comprise that other nonionogenic tenside is used in combination.
The ratio of the content of water and water and organic solvent
Two key features of the present composition are recently represented by the content of water and the weight of organic solvent and water.
The content of water is the 5%-20% of present composition weight, and promptly the present composition is dense relatively.
The weight ratio of organic solvent and water is 0.8 at least, preferably is at least 1.0.
These two combination of features make liquid detergent composition of the present invention, particularly when the peralcohol that suspends is percarbonate, have both obtained the good chemical stability good physical stability of having got back.
Solid peroxy compound
Suitable solid peroxy compound comprises perborate, persulphate (persulfates), peroxydisulfate (peroxydisulfates), superphosphate and the crystallization peroxyhydrate that is formed by hydrogen peroxide and yellow soda ash (forming percarbonate) or urea reaction.Preferred peroxy bleaching compound is perborate and percarbonate.Percarbonate knownly is difficult to stablely, has now found that it is completely stable in composition of the present invention, and therefore, it is the used most preferred material of the present invention.
Among the present invention, the weighted mean particle diameter of peralcohol must be in 0.1 to 350 micrometer range, preferably in 0.5 to 20 micrometer range.
By physical method, as grinding, or any suitable chemical process, as crystallization on the spot,, can obtain desired little granularity, as in EP-A-294904, describing particularly to perborate.
The content of the peralcohol that exists in the present composition is the 5%-40% of composition weight, preferred 10%-30%, most preferably 15%-25%.
Organic solvent
In order to form the structure phase, organic solvent preferably includes at least a corresponding to above-mentioned formula RO (CH
2CH
2O)
yThe solvent of H; Butyldiglycol ether and hexyl glycol ether ether are preferred; Other organic solvents that can preferably be used in combination with these required solvents can be selected from: the polyvalent alcohol (for example: 1,2-propylene glycol and glycerine) with vicinal hydroxyl; Rudimentary single aliphatic group monohydroxy-alcohol; Specifically be ethanol, n-propyl alcohol; Virahol; Polyoxyethylene glycol (for example: PEG150,200,300,400); Dipropylene glycol; Oxyethyl group methyl alcohol; Methyl cellosolve; Ethoxy ethanol; Ethyl glycol ether ether; Benzyl alcohol; The butoxy propyl alcohol; Butoxy propoxy-propyl alcohol; With their mixture.
When the peroxide bleaching compound is percarbonate, preferably ethanol, propylene glycol and their mixture, when the peroxide bleaching compound is perborate, ethanol preferably.
The pH that liquid bleaching composition packed of the present invention manifests (1% distilled water solution) is at least 8, and preferably at least 9, most preferably at least 9.5.Particularly when peralcohol was percarbonate or perborate, this alkaline pH made peralcohol obtain good bleaching action.
Tensio-active agent
Composition of the present invention contains and is selected from following tensio-active agent: negatively charged ion, nonionic, zwitter-ion or cats product and their mixture.
The present composition preferably contains negatively charged ion, synthetic or natural tensio-active agent.
The synthetic anion surfactant can be used general formula R
1SO
3M represents, wherein R
1Representative is selected from following alkyl: contain and have an appointment 8 to the straight or branched alkyl of about 24 carbon atoms with contain 9 alkyl phenyls to about 15 carbon atoms of having an appointment on alkyl; M is the salifiable positively charged ion of a kind of shape, generally is selected from sodium, potassium, ammonium and their mixture.
In the middle of the synthetic anion surfactant, preferably water miscible alkylbenzene sulfonate, the sodium alkyl benzene sulfonate of 10-13 the carbon atom of preferably on alkyl, having an appointment.
Other suitable anion surfactants can be water miscible alkyl-sulphate or alkyl Spheron MD 30/70 vitriol, wherein, alkyl contains has an appointment 8 to about 24, and preferred about 10 to about 20 carbon atoms, and, preferably contain about 1 to about 12 oxyethyl groups for alkyl Spheron MD 30/70 vitriol.
Particularly preferably be the alkyl-sulphate that on alkyl chain, contains 12 to 15 carbon atoms.Especially preferred is natural coconut or palm-kernel alkyl-sulphate.
Other suitable anion surfactants are disclosed in the people's such as Flesher that issued on October 9th, 1979 U.S.P4, in 170,565.
Nonionogenic tenside normally in the presence of acidity or basic catalyst, by oxyethane with have active hydrogen atom for example the hydrocarbon of hydroxyl, carboxyl or amido carry out that condensation reaction produces, comprise having general formula R A (CH
2CH
2O)
nThe compound of H, wherein, R represents hydrophobic part, and the A representative has the group of active hydrogen atom.N represents the mean number of ethylene oxide moiety, and n changes between about 4 to about 24.
R has about 8 to about 24 carbon atoms, preferred about 12 alkyl to about 20 carbon atoms, alkenyl, aryl or alkylaryl.
At U.S.P4, suitable nonionogenic tenside is disclosed more completely in 111,855, the mixture of nonionogenic tenside may be required.
Zwitterionics comprises aliphatic quaternary ammonium, the derivative of phosphorus and sulfonium compound, wherein aliphatic series part can be a straight or branched, and one of them aliphatic substituting group contains and have an appointment 8 to about 24 carbon atoms, and another substituting group contains at least one water-soluble anionic group.
Semi-polar nonionic surfactants comprises water miscible amine oxide, this amine oxide contains one about 8 moieties or the hydroxyalkyl part to about 28 carbon atoms, contain 1 to the alkyl of about 3 carbon atoms and these two portions of hydroxyalkyl with being selected from, it can at random be connected on the ring structure.
The example of suitable cationic surfactants comprises formula R
1R
2R
3R
4N
+X
-Quaternary ammonium compound, R in the formula
1Be C
12-C
20Alkyl or hydroxyalkyl; R
2Be C
1-C
4Alkyl or C
12-C
20Alkyl or hydroxyalkyl or C
1-C
4Hydroxyalkyl; R
3And R
4All are C
1-C
4Alkyl or hydroxyalkyl, or C
6-C
8Aryl or alkaryl; X
-It is halogen atom.Monobasic long chain quaternary ammonium compound (i.e. R wherein preferably
2Be C
1-C
4The following formula compound of alkyl or hydroxyalkyl).
The total amount of tensio-active agent is the 5%-60% of composition gross weight in said composition, preferred 15%-40%.
Optional component
Composition of the present invention also can contain washing assistant, preferably C
10-C
16The succsinic acid that alkane (alkene) base replaces, general content is the 5%-30% of composition gross weight.The used preferred washing assistant of the present invention is the succsinic acid of dodecenyl succinic replacement and the mixture of the succsinic acid that the tetradecene base replaces.
The example of other suitable organic washing-assisting detergents that the present invention is used is the mixture of polyprotonic acid such as citric acid, nitrilotriacetic acid(NTA) and tartrate monosuccinic acid salt and tartrate disuccinate.Operable polymeric carboxylate salt washing assistant comprises polyacrylate, poly-hydroxy acrylic acid brine and polyacrylate/polymaleic acid salt copolymer.
But, the water miscible washing assistant of preferably above-mentioned those, its content is no more than 1% of composition gross weight.
Other optional component comprises detergent enzyme.Suitable enzyme comprises washing composition proteolytic enzyme, amylase, lipase and cellulase.The enzyme stabilizers that is used for aqueous liquid detergent also can be used in the present invention.
But, formate sodium formiate for example preferably, it is common enzyme stabilizers, its content is no more than 0.5% of composition gross weight.
Composition of the present invention also can contain the sequestrant of sequestrant, particularly transition metal ion, because such ion may have adverse influence to the chemical stability of composition, peroxygen bleach is very sensitive to these ions.Such sequestrant comprises ethylenediamine tetraacetic acid (EDTA), diethylene triaminepentaacetic acid(DTPA), ethylenediamine disuccinic acid or their water miscible an alkali metal salt.Other sequestrant includes machine phosphonic acid, particularly preferably is ethylenediamine tetramethylene phosphonic acid, hexamethylene-diamine tetramethylene phosphonic acid, diethylenetriamine pentamethylenophosphonic acid(DTPP), Amino Trimethylene Phosphonic Acid and hydroxy ethylene 1, the 1-di 2 ethylhexyl phosphonic acid.
But within the scope of the invention, the good chemical stability of said composition makes it may comprise only very small amount of such sequestrant, is generally 0.2%.
Composition of the present invention can contain other optional component, and these components are many to be used with additive capacity, is usually less than about 5%.The example of additive like this comprises: foaming regulator, opalizer, improve the mechanical adaptive reagent relevant with the surface that is coated with enamel, sterilant, dyestuff, spices, whitening agent or the like.
Under various working conditionss, for the composition of favourable service requirements protection, may need to use as the polysiloxane foaming regulator the dimethyl polysiloxane for example, common consumption also is no more than 1.5%, is preferably 0.1%-1.0%.
When selecting optional component, further preferably in the present composition, make electrolytical content keep minimum.For example, preferred compositions according to the present invention contains 0.5% the added ionogen that is no more than the composition gross weight, for example Sodium Bromide or sylvite, sodium-chlor or sylvite, sodium iodide or sylvite, SODIUMNITRATE or sylvite and C
1-4Alkyl carboxylic acid sodium or sylvite.Therefore, liquid detergent formula of the present invention is substantially free of ionogen.
The application of composition
Concentrate composition of the present invention uses like this, and need not dilute before use.
Embodiment
Component is formed % (weight)
Linear alkylbenzene sulfonate 10
C
13-C
15The alcohol of ethoxylation (EO3) 10
Dodecenyl succinic/tetradecene base succsinic acid 19
Diethylenetriamine pentamethylenophosphonic acid(DTPP) 0.2
Propylene glycol 5
Ethanol 6
Butyldiglycol ether 5
SPC-D 21
Proteinase-10 .5
Opalizer 0.6
Dyestuff (1%) 0.4
Spices 0.5
Water adds to 100
Water-content 13.9
Solvent 16.5
Solvent/water content 1.18
* 75% dodecenyl succinic succsinic acid, 25% tetradecene base succsinic acid.
Claims (10)
1. a liquid detergent composition that contains the solid peroxy compound of tensio-active agent, water, organic solvent and particles suspended form is characterized in that, said composition comprises in be as the criterion 10% following formula: compound of composition gross weight at least,
RO(CH
2CH
2O)
yH
In the formula:
R is C
nAlkyl, alkenyl, aryl or alkylaryl,
And n is the integer of 4-22,
And y=0-4,
And if y ≠ 0, n/y 〉=2 then, wherein the content of water is the 5%-20% of composition gross weight, the weight ratio of organic solvent and water is 0.8 at least.
2. according to the composition of claim 1, its Chinese style (ROCH
2CH
2O)
yThe compound of H is selected from butyldiglycol ether, hexyl glycol ether ether and every mole of C
13-C
15The condensation product of Fatty Alcohol(C12-C14 and C12-C18) and 3 moles of ethylene oxide, or their mixture.
3. according to the composition of claim 2, wherein peralcohol is to have the particle form that particle diameter is the 0.1-350 micron.
4. according to the composition of claim 3, wherein peralcohol is a percarbonate.
5. according to the composition of claim 1, wherein organic solvent comprises ethanol or propylene glycol.
6. according to the composition of claim 1 and 2, wherein organic solvent is the mixture of ethanol or propylene glycol and butyldiglycol ether or hexyl glycol ether ether.
7. according to the composition of claim 1-6, wherein tensio-active agent comprises the anion surfactant of 5%-30% (weight).
8. according to the composition of claim 7, wherein tensio-active agent comprises anion surfactant and by C
13-C
15The mixture of the nonionogenic tenside that the condensation product of Fatty Alcohol(C12-C14 and C12-C18) and 3 moles of ethylene oxide is formed.
9. according to the composition of claim 1-8, wherein it is included as the C of the 5%-30% of composition gross weight
10-C
16The succsinic acid that alkane (alkene) base replaces.
10. according to the composition of claim 1-9, it is characterized in that it contains and accounts for the composition gross weight and be no more than 0.5% added ionogen, as Sodium Bromide, sodium-chlor, sodium iodide, SODIUMNITRATE, sodium acetate or sodium formiate.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93201008A EP0619368A1 (en) | 1993-04-06 | 1993-04-06 | Concentrated liquid detergent compositions |
EP93201008.5 | 1993-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1123558A true CN1123558A (en) | 1996-05-29 |
Family
ID=8213748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 94192141 Pending CN1123558A (en) | 1993-04-06 | 1994-04-05 | Concentrated liquid detergent containing suspended peroxygen bleach, organic solvent and 5-20% water |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0619368A1 (en) |
JP (1) | JPH08511288A (en) |
CN (1) | CN1123558A (en) |
CA (1) | CA2159983A1 (en) |
WO (1) | WO1994024247A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9506066D0 (en) * | 1995-03-24 | 1995-05-10 | Warwick Int Group | Alkaline isotropic liquid detergent with peroxide |
DE19635069A1 (en) * | 1996-08-30 | 1998-03-05 | Clariant Gmbh | Liquid bleach suspension |
DE19635070A1 (en) * | 1996-08-30 | 1998-03-05 | Clariant Gmbh | Liquid bleach suspension |
US6194364B1 (en) | 1996-09-23 | 2001-02-27 | The Procter & Gamble Company | Liquid personal cleansing compositions which contain soluble oils and soluble synthetic surfactants |
DE19750455C1 (en) * | 1997-11-14 | 1999-04-29 | Henkel Kgaa | Aqueous hydrogen peroxide formulation used as bleach for pretreating soiled textile, especially laundry |
DE19935259A1 (en) * | 1999-07-27 | 2001-02-01 | Henkel Kgaa | Bleaching compositions |
US20110166370A1 (en) | 2010-01-12 | 2011-07-07 | Charles Winston Saunders | Scattered Branched-Chain Fatty Acids And Biological Production Thereof |
CA2827627C (en) | 2011-02-17 | 2016-10-11 | The Procter & Gamble Company | Compositions comprising mixtures of c10-c13 alkylphenyl sulfonates |
EP2675784B1 (en) | 2011-02-17 | 2017-09-13 | The Procter and Gamble Company | Bio-based linear alkylphenyl sulfonates |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8712430D0 (en) * | 1987-05-27 | 1987-07-01 | Procter & Gamble | Liquid detergent |
ES2162785T3 (en) * | 1989-02-27 | 2002-01-16 | Unilever Nv | LIQUID DETERGENT COMPOSITION. |
EP0430330A3 (en) * | 1989-11-24 | 1991-12-18 | The Procter & Gamble Company | Suspending liquid detergent compositions |
WO1991012309A2 (en) * | 1990-02-08 | 1991-08-22 | Unilever N.V. | Liquid bleach composition |
-
1993
- 1993-04-06 EP EP93201008A patent/EP0619368A1/en not_active Withdrawn
-
1994
- 1994-04-05 CA CA 2159983 patent/CA2159983A1/en not_active Abandoned
- 1994-04-05 JP JP6523284A patent/JPH08511288A/en active Pending
- 1994-04-05 CN CN 94192141 patent/CN1123558A/en active Pending
- 1994-04-05 WO PCT/US1994/003739 patent/WO1994024247A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP0619368A1 (en) | 1994-10-12 |
CA2159983A1 (en) | 1994-10-27 |
WO1994024247A1 (en) | 1994-10-27 |
JPH08511288A (en) | 1996-11-26 |
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