WO2016200343A1 - Compositions de blanchiment aqueuses, épaissies et transparentes - Google Patents

Compositions de blanchiment aqueuses, épaissies et transparentes Download PDF

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Publication number
WO2016200343A1
WO2016200343A1 PCT/TR2015/000256 TR2015000256W WO2016200343A1 WO 2016200343 A1 WO2016200343 A1 WO 2016200343A1 TR 2015000256 W TR2015000256 W TR 2015000256W WO 2016200343 A1 WO2016200343 A1 WO 2016200343A1
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WO
WIPO (PCT)
Prior art keywords
fatty acid
bleaching
bleaching composition
composition according
weight
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Application number
PCT/TR2015/000256
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English (en)
Inventor
Ahmet Ergun
Nihat Toslu
Murat Uzumcu
Korkut Acikalin
Turgut Tas
Original Assignee
Hayat Kimya Sanayi Anonim Sirketi
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
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Application filed by Hayat Kimya Sanayi Anonim Sirketi filed Critical Hayat Kimya Sanayi Anonim Sirketi
Priority to PCT/TR2015/000256 priority Critical patent/WO2016200343A1/fr
Publication of WO2016200343A1 publication Critical patent/WO2016200343A1/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
    • C11D3/395—Bleaching agents
    • C11D3/3956—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
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds

Definitions

  • the present invention relates to bleaching compositions.
  • the present invention relates to hard surface bleaching compositions.
  • the present invention relates to aqueous, transparent bleaching compositions which are thickened, do not possess cloudy appearance at low temperatures, are phase stable and free of gelation, and demonstrates satisfactory viscosity and bleach stability.
  • the bleaching compositions do not comprise polymeric thickeners or polymeric rheology modifiers to ensure a low manufacture cost.
  • Bleaching compositions have long been used in cleaning and/or disinfecting of hard surfaces.
  • Liquid bleaching compositions comprising chlorine-releasing bleaching agents are commonly used compositions in cleaning of typical hard surfaces such as lavatories, drains, sinks, bathtubs and other common household surfaces and household wares.
  • the viscosity has critical importance in such bleaching compositions in order to maintain an effective cleaning and/or disinfection especially in non-horizontal surfaces. If the viscosities of the bleaching compositions are low, then the bleaching compositions are difficult to utilize on hard surfaces positioned vertically since they run along such surfaces quickly, thereby minimizing the contact time of bleaching composition with the hard surface, which finally results in poorer cleaning performance. In addition to that, consumers generally devote a favourable attention to viscously build liquid bleaching products since viscous products often connote a concentrated composition in the mind of consumer. It is also true that viscous liquid bleaching products works better than the thin or less viscous ones especially when the bleaching composition is needed to be poured through the standing water such as in drains and closets.
  • the bleaching compositions are needed to build viscously, in other words, in a thickened form, to provide the effects given above.
  • Transparency is another important property of bleaching compositions.
  • Transparent bleaching compositions are generally more aesthetically attractive for consumers probably due to the perception of transparency along with shiny appearance.
  • the bleaching compositions although they are prepared to be transparent, may confront the problem of becoming cloudy during storage or in shelves especially when the temperatures are below 20°C. As a result of this incident, consumers mostly suppose that the product cannot work properly, and do not wish to buy the product which has cloudy appearance.
  • Stability is the other important property of bleaching compositions. Stability issues can mainly be categorized into three subclasses of (i) bleach stability, (ii) phase stability, and (iii) gelation stability.
  • the bleach stability means keeping the bleaching agents activity as much as possible, and if cannot be provided lower cleaning and/or disinfecting performances are obtained.
  • Phase stability stands for the ability of providing a single phased composition where the composition does not separate into two or more phases. The products which present phase separation are not welcomed by the consumers and producers since it is found inconvenient even if it may be possible to return them into single phase form after a shaking treatment prior to usage.
  • Gelation stability means that the compositions are free of gelation. This is important for both consumers and producers since jellified or partially jellified compositions constitute problem in both filling of packages and dosing the compositions during the cleaning and/or disinfecting process since they are poorly flowable.
  • a thickened bleach composition comprising an active chlorine- containing bleach component, a surfactant-based thickening system comprising at least one amine oxide, a water-soluble anionic homopolymer or anionic heteropolymer containing at least one styrenic monomer, and an alkaline agent to provide a pH of 10 or greater wherein the styrenic polymer was explained to serve as an improver for the rheology properties of the thickened bleach composition.
  • adding such kind of polymers may cause an increment in cost of raw material and processing (storage, transportation etc.), and requires an additional step in bleaching composition preparation process.
  • no information was provided about the transparency of compositions.
  • US 6100228 (A) disclosed a transparent to translucent bleaching gel cleaner consisting essentially of 0.1-10% hypochlorite; 0.1-10% alkali metal soap; 0.1-10% trialkylamine oxides, betaines or their mixtures; 0.1-15% of an alkali metal hydroxide as buffer/electrolyte; 0.15-5% of bleach stable solvent of tetrahydromyrcenol, dihydroterpineol or mixtures thereof, and remainder as water.
  • adding such kind of solvents may cause an increment in cost of raw material and processing (storage, transportation etc.), and requires an additional step in bleaching composition preparation process.
  • '228 indicates that all types of C 6 -C 18 carboxylic acids, without any limitation, may be used to obtain alkali metal soap. However, as explained in description and examples parts of the present invention, not all but only specific fatty acids with certain properties are appropriate for obtaining transparent bleaching compositions especially at temperatures below 20°C.
  • EP 1685228 Bl claimed that a thickened liquid bleach composition free of polymeric thickening agent comprising 0.1-10%wt. of a hypochlorite salt;-0.5-20%wt. of a surfactant; 0.1-8%w of an electrolyte selected from the group consisting of alkali metal hydroxides, halides, sulphates, carbonates and mixtures thereof; and at least two different kinds of alkali metal ions, the least prevalent alkali metal ion in the composition being present in a molar amount of at least 10% of the total alkali metal ion content.
  • the compositions of '5228 are expected to be poor in terms of bleach stability and possibly prone to gelation. Moreover, no information was provided about the transparency of compositions.
  • (ii) is viscosity stable, meaning that the viscosity value of bleaching composition exhibits a
  • an object of present invention is to provide aqueous bleaching composition which is thickened so that it can more easily be utilized on hard surfaces positioned non-horizantally, thereby maximizing the contact time of bleaching composition with the hard surface and resulting in effective cleaning performance wherein the said bleaching compositions do not comprise polymeric thickeners or polymeric rheology modifiers which are relatively expensive, to ensure a low manufacture cost.
  • Another object of the present invention is to provide transparent bleaching compositions which do not possess cloudy appearance event at temperatures below 20°C, preferably at 4°C.
  • Another object of present invention is to provide viscosity stable bleaching compositions, so that the viscosity of the bleaching compositions does not change dramatically with time during storage or in shelves.
  • Still further object of the present invention is to provide gelation free phase stable bleaching compositions which are not jellified or phase separated during storage or in shelves. Still further object of the present invention is to provide bleaching compositions that has satisfactory bleach stability.
  • an aqueous, transparent, thickened bleaching composition which:
  • a bleaching composition comprising:
  • Final viscosity term used herein means the viscosity value measured at the end of the related test period.
  • Transparent term used herein denotes that the bleaching composition does not have any cloudy appearance in any part of itself, and is clear visually at 25°C and at 4°C for 2 months of period after the preparation.
  • Gelation term used herein denotes a form that the bleaching compositions is jellified, and cannot be poured out properly due to the gelation.
  • the bleaching compositions of the present invention may be used in cleaning and/or disinfection of hard surfaces available in bathrooms, toilettes, kitchens, basements, garages etc. such as tiles, drains, countertops, sinks, bathtubs, showers, lavatories, floors, walls, tablewares, kitchenwares, bathwares.
  • the hard surfaces may be made up of any material such as marble, steel, aluminium, enamel, ceramic, porcelain, plastic and glass.
  • the bleaching compositions of the present invention may optionally be used in cleaning and/or soil/stain removal of white coloured fabrics
  • Bleaching agent used according to present invention makes it possible to disinfect the cleaned surface as well as to remove soils and stains, especially to remove soils and stains which are sensitive to bleaching agents.
  • the bleaching agent of the present invention is the type of chlorine-releasing bleaching agent.
  • Said bleaching agent can be alkali metal and alkaline earth metal hypochlorites, chloramines, chlorimines, chloramids, chlorimids.
  • Specific examples are sodium hypochlorite, potassium hypochlorite, lithium hypochlorite, monobasic calcium hypochlorite, dibasic magnesium hypochlorite, potassium dichloroisocyanurate, sodium dichloroisocyanurate, sodium dicholoroisocyanuruate dehydrate, trichlorocyanuric acid, l-3-dichloro-5-5-dimethylhydantoin, N-chlorosulfamide, Chloramine T, Dichloroamine T, Chloramine B and Dichloramine B.
  • the preferred bleaching agent of the present invention is sodium hypochlorite, NaCIO, composed of sodium cation (Na + ) and a hypochlorite anion (CIO " ).
  • the hypochlorite anion is a strong oxidizing agent and for this reason compositions which yield this species are considered to be powerful bleaching compositions
  • Sodium hypochlorite used in the present invention was provided as aqueous solutions of 12.5% by weight.
  • concentration of aqueous solution containing hypochlorite ion was measured in terms of available (active) chlorine.
  • the chlorine releasing bleaching agent can be present in the cleaning compositions of present invention in an amount sufficient to provide from 0.1% to 6%, preferably 3% to 5% available (active) chlorine. Conversion from % active chlorine (w/w) to % sodium hypochlorite (w/w) can be found by using equation (1):
  • sodium hypochlorite Xx 74.44 / 70.9 (1) wherein X is sodium hypochlorite concentration as % active chlorine (w/w), 74.44 is sodium hypochlorite molecular weight and 70.9 is chlorine (Cl 2 ) molecular weight.
  • sodium hypochlorite can be present in the cleaning compositions of present invention in an amount from 0.1% to 6.5%, preferably 3% to 5.5% by weight of the total composition.
  • the pH of the bleaching composition has great importance since chemical decomposition and hence loss of bleaching power becomes very significant at low pH values for hypochlorite containing solutions. For this reason, the cleaning compositions must be buffered at pH's of above 11.5, preferably above 12.5, more preferably above 13.0.
  • Amine oxide used according to the present invention enables the thickening of bleaching composition as well as it gives the composition a cleaning power.
  • amine oxides may be selected from various types including alkyl dimethylamine oxides, alkyl dihydroxyethylamine oxides, alkyl amidodimethylamine oxides and alkyl amidodihydroxyethylamine oxides as described in Handbook of Detergents, Part F: Production, pp
  • the preferred amine oxide type for the present invention is alkyl dimethylamine oxides. Specifically preferred one is coco dimethylamine oxide with the following chemical formula (I):
  • amine oxides are preferred as they have good viscosity controlling property, good hard water tolerance, and are stable at strong alkaline conditions.
  • amine oxide amount in present bleaching compositions should be between 0.6% and 1.8%, preferably between 1.2% and 1.5% by weight of the total composition.
  • the amine oxide amounts lower than the mentioned interval, especially lower than the preferred interval cause the initial viscosity of bleaching compositions less than the desired values (1000 to 2000 cp); whereas the amine oxide amounts higher than the mentioned interval, especially higher than the preferred interval, lead to gelation.
  • fatty acid / amine oxide (wt/wt) ratio Another critical parameter found during the studies was the fatty acid / amine oxide (wt/wt) ratio. This ratio was found to have important role in achieving a thickened bleaching composition which has the desired initial viscosity values of 1000 to 2000 cp, and which does not have the problem of gelation. The studies indicated that the optimum fatty acid / amine oxide (wt/wt) ratio must be kept in a narrow interval of 0.4/1 - 0.7/1, preferably 0.5/1 - 0.6/1 in order to achieve the bleaching composition having the desired properties.
  • Fatty acid used according to the present invention enables the thickening of bleaching compositions by forming fatty acid soap as a result of the reaction between itself and a basic agent during the preparation of bleaching composition.
  • fatty acid helps the formulator to regulate the initial viscosity of the bleaching compositions, after being converted to fatty acid soap as a result of its reaction with a basic agent during the preparation of bleaching compositions.
  • the fatty acid soap that is fatty acid alkali metal salt can also be directly put into the bleaching compositions as well as it can be produced during the bleaching composition preparation process.
  • the fatty acid soap was preferably produced during the preparation process by neutralizing the fatty acid with a basic agent.
  • Several types of fatty acids were used in compositions, and only specific types of fatty acid yielded desired transparent compositions.
  • distilled hydrogenated coconut fatty acid with a carbon distribution by weight of 5.61% C 8 , 8.59% C 10 , 49.54% Ci2, 17.75% C 14 , 8.28% C 16 and 8.41% C 18 was used.
  • the bleaching composition prepared with this fatty acid did yield a strongly cloudy appearance at 4°C, and was not transparent.
  • topped palm kernel fatty acid with a carbon distribution by weight of 0.71% C 10
  • the inventors came to a conclusion that the fatty acid that is appropriate for the present bleaching compositions has C 8 -Ci 8 carbon distribution, and definitely should comprise monounsaturated Ci 8:1 and/or diunsaturated Ci 8;2 carbon fraction but less than a total of 15%, preferably less than a total of 10% by weight of the total fatty acid amount.
  • the fatty acid to be used in the present bleaching compositions is coconut, preferably distilled coconut fatty acid with the carbon distribution by weight of 4-8% C 8 , 5-10% C 10 , 46-53% Ci 2 , 15-21% C 14 , 5-13% C 16 , max. 4% C 18 , 5-12% C 18:1 and max.3% C 18:2 .
  • fatty acid alkali metal salt fatty acid soap
  • fatty acid sodium salt preferably fatty acid sodium salt
  • the fatty acid of fatty acid alkali metal salt should have C 8 -Ci 8 carbon distribution, and definitely should comprise monounsaturated G 8: i and/or diunsaturated Ci 8:2 carbon fraction but less than a total of 15%, preferably less than a total of 10% by weight of the fatty acid of fatty acid alkali metal salt.
  • fatty acid / amine oxide (wt/wt) ratio should be maintained in a narrow interval of 0.4/1 -0.7/1, preferably 0.5/1 - 0.6/1 in order to achieve the bleaching composition having the desired properties in case fatty acid alkali metal salt is directly used in formulations. So, the fatty acid alkali metal salt amount to be put in formulations should be tuned so that the fatty acid of fatty acid alkali metal salt should provide the above given fatty acid / amine oxide (wt.wt) ratio interval.
  • Basic agent has two important duties in present bleaching compositions:
  • the basic agent may be selected from alkali metal hydroxides, carbonate salts or bicarbonate salts. These ingredients may be used alone or in any combination.
  • the alkali metal hydroxide may be selected from potassium hydroxide, sodium hydroxide and lithium hydroxide.
  • the preferred one is sodium hydroxide for the present invention.
  • the carbonate or bicarbonate salt may be selected from potassium carbonate, sodium carbonate, potassium bicarbonate or sodium bicarbonate. The preferred one is sodium carbonate for the present invention.
  • the amount of basic agent should be regulated so that it can provide a complete neutralization of fatty acid ingredient, and it can maintain the pH values at the desired values.
  • the amount of basic agent in the present bleaching composition is between 0.2% and 2%, preferably between 0.3% and 1.5% by weight of the total composition.
  • Sequestrant is another essential ingredient in the present bleaching compositions.
  • the term sequestrant refers to chemicals which counteract or suppress the effects of other chemical substances.
  • sequestrants are incorporated into the compositions to provide:
  • Typical sequestrants can be phosphonic/polyphosphonic acids, amino polycarboxylic acids, polyphosphates, hydro carboxylic acids or polymeric carboxylic acids.
  • amino substituted phosphonic acids, or their salts are preferred since their stability to bleaching agents are better than the others.
  • aminotri(methylene phosphonic acid) N-oxide is particularly preferred.
  • the amount of sequestrant in the present bleaching composition should be between 0.2% and 0.8%, preferably between 0.2% and 0.5% by weight of the total composition.
  • Perfume may be added optionally to present bleaching compositions to mask the sharp odour of chlorine-releasing bleaching agent at least partially during and/or after the cleaning of soiled/stained surface, and to provide a more pleasant product for the consumers in the basis of odour.
  • Oil and/or encapsulated type of perfumes may be used in present bleaching compositions.
  • the perfume type preferably used in the embodiments of present bleaching compositions is oil type.
  • the bleaching compositions of the present invention were prepared by the following method:
  • reaction mixture is mixed until obtaining a homogen mixture. 5.
  • the mixing rate is regulated to slow values, and chlorine-releasing bleaching agent is added.
  • Viscosity measurement The initial and final viscosities of bleaching compositions were measured at 20°C by using a Brookfield viscometer (LVT) with spindle No. 2 at 12 rpm in a 150 ml sample. All of the results are average of three measurements. All of the viscosity values are in cP. pH measurement: The pH of the bleaching compositions were measured at 20°C by using Mettler Toledo Seven Easy pH meter. All of the results are average of three measurements.
  • Active (available) chlorine analysis Active chlorine analyses were done titrimetrically according to the TSE (Turkish Standarts Insitute) TS 3464 standart method. The standart method uses sodium thiosulfate as titrant. All of the active chlorine values are in weight percentage of total composition. All of the results are average of three measurements. The bleach stability was denoted as satisfactory if the active chlorine amount of the cleaning composition did not fall below the 70% of the initial active chlorine value at 25°C in two months period, otherwise denoted as unsatisfactory. Phase stability test: Phase stability test of bleaching compositions with regard to phase separation was done by visual determination of physical phase separation in samples at 25°C for 2 months, and in samples at 4°C for 2 months. If any phase separation was not observed, the bleaching composition was denoted as stable, otherwise denoted as instable.
  • Gelation stability test of bleaching compositions with regard to gel forming was done by visual determination of gelation in samples at 25°C for 2 months, and in samples at 4"C for 2 months. If any gelation was not observed, the bleaching composition was denoted as stable, otherwise denoted as instable.
  • Viscosity stability test The viscosity values of cleaning compositions were measured for two months. The viscosity stability test results were considered as stable if the viscosity values did not decrease or increase more than 30% of initial viscosity value. If the viscosity values measured during the test period were lower than 70% of initial viscosity values or greater than 130% of initial viscosity values, then the viscosity test results were recognized as instable.
  • Dequest 6004 (Dequest Italmatch Chemicals) ((Aminotris(methylene phosphonic acid) N-oxide))
  • Example 1 was formulated according to the present invention whereas the other examples were not formulated according to the present invention.
  • Example 1 disclosed (i) a thickened form whose initial viscosity value was between 1000-2000 cP, (ii) a satisfactory bleach stability where the active chlorine loss was 22.71%, (iii) a phase stable form where no phase separation was observed during test period (iv) a stable form in terms of gelation where no gelation was observed during test period, (v) a viscosity stable form where the viscosity values did not decrease or increase more than 30% of initial viscosity value during the test period, and (vi) a transparent form without any cloudy appearance during the test period.
  • the test results of Example 1 are given in Table 2.
  • Example 8 was also formulated according to the present invention and yielded similar test results compared to Example 1. The only difference between Example 1 and Example 8 was the type of basic agent used in formulation. Example 8 was formulated with carbonate salt instead of an alkali metal hydroxide.
  • Example 2 was not formulated according to present invention as the perfume amount was higher than the proposed interval of present invention.
  • the initial viscosity of Example 2 was much lower than the desired initial viscosity value range, and thus the bleaching composition was not appropriately thickened.
  • Example 3 and Example 4 were not inventive compositions since their fatty acid ingredient did not provide the fatty acid properties of present invention.
  • Example 3 comprised a fatty acid comprising 17.65%wt. of monounsaturated C i8:1 and diunsaturated Ci 8:2 carbon fraction, whereas the present invention must comprise a fatty acid comprising less than a total of 15%wt., preferably less than a total of 10%wt. of monounsaturated C 18: i and/or diunsaturated Ci 8:2 carbon fraction.
  • Example 4 did not contain any monounsaturated C 18: i or diunsaturated C K carbon fraction, and that's why fell out of the range of present invention.
  • Example 5 did not represent the present invention since the fatty acid amount by weight of the total composition and fatty acid / amine oxide (wt/wt) ratio were both out of the ranges that are essential within the scope of present invention.
  • the fatty acid amount of Example 5 was 0.2% by weight of the total composition, however the present invention required the range of 0.3-1.2%, preferably 0.6-1%.
  • the fatty acid / amine oxide (wt/wt) ratio of Example 5 was 0.33/1, and was also out of the range required by the present invention which is 0.4/1-0.7/1, preferably 0.5/1-0.6/1.
  • the bleaching composition of Example 5 disclosed a lower initial viscosity value than the desired initial viscosity value range, and thus the bleaching composition was not appropriately thickened.
  • Example 6 was not a representative example for present invention as the amine oxide amount by weight of the total composition in Example 6 was higher than the amine oxide amount range proposed by the present invention.
  • the amine oxide amount by weight of total composition in Example 6 was not a representative example for present invention as the amine oxide amount by weight of the total composition in Example 6 was higher than the amine oxide amount range proposed by the present invention.
  • the amine oxide amount by weight of total composition in Example 6 was not a representative example for present invention as the amine oxide amount by weight of the total composition in Example 6 was higher than the amine oxide amount range proposed by the present invention.
  • Example 6 was 1.86% whereas the present invention required the range of 0.6-1.8%, preferably 1.2- 1.5% .
  • the bleach composition of Example 6 did yield a gelation problem which is not welcomed.
  • Example 7 was not an inventive composition since the sequestrant amount by weight of total composition was not in the range of present invention.
  • Example 7 comprised 1.0% sequestrant by weight of total composition that was higher than the range proposed by present invention which was 0.2-0.8%, preferably 0.2-0.5%.
  • the bleaching composition of Example 7 disclosed a lower initial viscosity value than the desired initial viscosity value range, and thus the bleaching composition was not appropriately thickened.

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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

La présente invention concerne des compositions de blanchiment aqueuses, épaissies et transparentes qui ne comprennent pas d'épaississants polymères ni d'agents de modification polymères de la rhéologie pour garantir un faible coût de fabrication. Les compositions de blanchiment de la présente invention sont exemptes de gélification, de séparation de phase et d'apparence trouble aux températures de 4 °C et au-dessus; présentent un indice de viscosité initial compris entre 1 000 cP et 2 000 cP mesuré à 20 °C; conservent une valeur de viscosité comprise entre 70 % et 130 % dudit indice de viscosité initial durant deux mois à 25 °C, et présentent au moins 70 % de son indice initial de chlore actif à la fin de la période de deux mois à 25 °C. Les présentes compositions de blanchiment comprennent un agent de blanchiment libérant du chlore, un tensioactif oxyde d'amine, un sel métallique d'acide gras ou de métal alcalin d'acide gras, un agent basique, un séquestrant, éventuellement un parfum, et de l'eau.
PCT/TR2015/000256 2015-06-09 2015-06-09 Compositions de blanchiment aqueuses, épaissies et transparentes WO2016200343A1 (fr)

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0137551A1 (fr) * 1983-09-23 1985-04-17 Unilever N.V. Composition de blanchiment liquide et épaissie
EP0233666A1 (fr) * 1986-02-11 1987-08-26 Unilever N.V. Composition de blanchiment liquide épaississante
EP0635568A1 (fr) * 1993-07-23 1995-01-25 The Procter & Gamble Company Compositions détergentes épassies à base d'hypochlorite, plus performantes pour le nettoyage
WO1995003383A1 (fr) * 1993-07-23 1995-02-02 The Procter & Gamble Company Compositions de detergents aqueux epaissis dotees de performances de nettoyage accrues a l'aide de tensioactifs a chaines courtes
WO1995008611A1 (fr) * 1993-09-20 1995-03-30 The Procter & Gamble Company Compositions detergentes aqueuses epaissies aux caracteristiques de nettoyage ameliorees
US5773402A (en) * 1993-09-20 1998-06-30 D'orazio; Anna Lucia Hypochlorite-comprising compositions for improved mildness to the skin
WO1999058635A1 (fr) * 1998-05-08 1999-11-18 Henkel Kommanditgesellschaft Auf Aktien Agents de blanchiment et de desinfection
US6100228A (en) 1993-10-29 2000-08-08 The Clorox Company Bleaching gel cleaner thickened with amine oxide, soap and solvent
US20060199755A1 (en) 2005-03-07 2006-09-07 Rees Wayne M Thickened bleach compositions
US20060247151A1 (en) * 2005-04-29 2006-11-02 Kaaret Thomas W Oxidizing compositions and methods thereof
WO2007025642A1 (fr) * 2005-08-31 2007-03-08 Henkel Kommanditgesellschaft Auf Aktien Agent de blanchiment liquide contenant de l'hypohalogenite
EP1685228B1 (fr) 2003-11-19 2008-11-12 Unilever N.V. Composition de blanchiment a base d'hypochlorite

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0137551A1 (fr) * 1983-09-23 1985-04-17 Unilever N.V. Composition de blanchiment liquide et épaissie
EP0233666A1 (fr) * 1986-02-11 1987-08-26 Unilever N.V. Composition de blanchiment liquide épaississante
EP0635568A1 (fr) * 1993-07-23 1995-01-25 The Procter & Gamble Company Compositions détergentes épassies à base d'hypochlorite, plus performantes pour le nettoyage
WO1995003383A1 (fr) * 1993-07-23 1995-02-02 The Procter & Gamble Company Compositions de detergents aqueux epaissis dotees de performances de nettoyage accrues a l'aide de tensioactifs a chaines courtes
WO1995008611A1 (fr) * 1993-09-20 1995-03-30 The Procter & Gamble Company Compositions detergentes aqueuses epaissies aux caracteristiques de nettoyage ameliorees
US5773402A (en) * 1993-09-20 1998-06-30 D'orazio; Anna Lucia Hypochlorite-comprising compositions for improved mildness to the skin
US6100228A (en) 1993-10-29 2000-08-08 The Clorox Company Bleaching gel cleaner thickened with amine oxide, soap and solvent
WO1999058635A1 (fr) * 1998-05-08 1999-11-18 Henkel Kommanditgesellschaft Auf Aktien Agents de blanchiment et de desinfection
EP1685228B1 (fr) 2003-11-19 2008-11-12 Unilever N.V. Composition de blanchiment a base d'hypochlorite
US20060199755A1 (en) 2005-03-07 2006-09-07 Rees Wayne M Thickened bleach compositions
US20060247151A1 (en) * 2005-04-29 2006-11-02 Kaaret Thomas W Oxidizing compositions and methods thereof
WO2007025642A1 (fr) * 2005-08-31 2007-03-08 Henkel Kommanditgesellschaft Auf Aktien Agent de blanchiment liquide contenant de l'hypohalogenite

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