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
  • 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
  • C11D1/88—Ampholytes; Electroneutral compounds
  • C11D1/94—Mixtures with anionic, cationic or 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
  • C11D10/00—Compositions of detergents, not provided for by one single preceding group
  • C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
• • 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
  • C11D3/0005—Other compounding ingredients characterised by their effect
  • C11D3/0026—Low foaming or foam regulating 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
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2075—Carboxylic acids-salts thereof
  • C11D3/2079—Monocarboxylic acids-salts thereof
• • 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
  • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic 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
  • C11D1/29—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
  • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
  • C11D2111/10—Objects to be cleaned
  • C11D2111/14—Hard surfaces

Definitions

• the present invention is in the field of hard surface cleaning compositions; in particular liquid detergent compositions having foaming and cleaning characteristics in the main wash, yet significant foam reduction during rinse.
• One way of saving water is to reuse the water and another way is to reduce the amount of water being used.
• Washing processes including laundry, dishwashing and other household cleaning processes, require large amounts of water throughout the world. These are daily chores in which the use of water and a detergent cannot be avoided. Consumers usually like to see a lot of foam while washing as they associate foaming with detergent efficiency. However, it's rinsing that often takes a lot of effort and uses excess of water.
• the amount of water required for rinse is entirely dependent on the detergent used. Therefore, the use of water can be reduced or controlled based on the detergent.
• WO 98/27189 discloses a mildly acid laundry detergent composition for improved protection of fine fabrics during washing and enhanced removal of generated foam during rinsing in hand wash comprising at least one anionic surfactant and/or at least one non-ionic surfactant and a rinse-active pH sensitive foam control agent comprising a fatty acid, whereby upon rinsing, at least a portion of said fatty acid is converted to a soap which functions to suppress foam during rinsing.
• the fatty acid may be selected from saturated or unsaturated fatty acids and preferably are lauric, myristic, oleic and stearic, natural coconut, palmitic and tallow fatty acids.
• a specific combination of saturated stearic acid and saturated lauric acid is preferred.
• the composition of WO98/27189 also does not disclose the specific surfactant system of the present invention.
• JP 2004-203989 discloses a liquid detergent composition for tableware washing comprising 5-50 mass % of a sulfuric ester and/or a sulfonate type anionic surfactant, 1-30 mass % of a specific alkoxylate type nonionic surfactant and an 8-20C saturated and/or unsaturated fatty acid/salt and has pH of 4-8.
• the fatty acid may be selected from saturated or unsaturated C8-20 fatty acids.
• a specific combination of saturated stearic acid and saturated lauric acid is preferred.
• US 6090764 discloses a manual dishwashing detergent composition containing 0.2 to 10% by weight of a glycerol sulfate, 1 to 50% by weight of a C 6-22 alkyl sulfate, C 6-22 alkyl ether sulfate, C 9-13 alkyl benzene sulfonate or a mixture thereof and 1 to 20% by weight based on the detergent as a whole of an alkyl glucoside.
• the composition of US 6090764 does not include fatty acids, however very small quantities of soap may be present.
• CN 102876483 discloses a low foam easy bleaching liquid detergent composition and its preparation method.
• the liquid detergent composition comprises 0.1 to 20% unsaturated fatty acid, 0.1 to 5% saturated fatty acids, 0.1 to 5% alkali neutralizing agent, 1 to 25% non-ionic surfactant, 1 to 25% anionic surfactant, 0.5 to 20% of other additives and water.
• This formulation uses saturated and unsaturated fatty acids to reduce the amount of the liquid detergent wash foam, to solve the problem of difficulty in rinsing.
• a specific combination of saturated stearic acid and saturated lauric acid is preferred.
• WO 2013/038750 discloses a liquid detergent composition which contains one or more kinds of anionic surfactant selected from the group consisting of polyoxyalkylene alkyl ether sulfuric acid ester salts and alkylbenzene sulfonic acid salts, a fatty acid and/or a salt thereof, an alkanol amine, a carbonate, a nonionic surfactant and water.
• anionic surfactant selected from the group consisting of polyoxyalkylene alkyl ether sulfuric acid ester salts and alkylbenzene sulfonic acid salts, a fatty acid and/or a salt thereof, an alkanol amine, a carbonate, a nonionic surfactant and water.
• anionic surfactant selected from the group consisting of polyoxyalkylene alkyl ether sulfuric acid ester salts and alkylbenzene sulfonic acid salts, a fatty acid and/or a salt thereof, an alkanol amine
• an antifoaming effect may be obtained only during rinse in hard surface cleaning processes by a liquid detergent comprising a surfactant system of a primary and a secondary surfactant, a combination of saturated fatty acids selected from lauric and stearic acid and a non-ionic surfactant.
• the present invention provides a liquid detergent composition
• a surfactant system comprising a primary surfactant of the formula R 1 -OR') n -SO 3 - M + , wherein: R 1 is saturated or unsaturated C 8 -C 16 alkyl chain; R' is ethylene; n is from 1 to 18; M + is a suitable cation which provides charge neutrality selected from sodium, calcium, potassium and magnesium; and a secondary surfactant selected from alkylbenzene sulphonate and derivatives; and alkyl sulphates; less than or equal to 1 % by weight of a combination of saturated fatty acids selected from lauric and stearic acid; less than or equal to 3% by weight of a non-ionic surfactant; and water.
• R 1 is saturated or unsaturated C 8 -C 16 alkyl chain
• R' is ethylene
• n is from 1 to 18
• M + is a suitable cation which provides charge neutrality selected from sodium, calcium, potassium and
• the invention provides a process of reducing foam during rinse in dishwashing comprising the steps of applying onto the hard surface in neat or diluted form a liquid composition according to the invention; cleaning the hard surface with a cleaning implement; and rinsing the hard surface.
• the invention provides use of a composition according to the invention for providing anti-foaming activity upon rinse.
• hard surface typically means utensils or kitchenware, kitchen tops, kitchen floors, sinks and platforms, floors and bathrooms.
• the invention relates to a liquid detergent composition
• a liquid detergent composition comprising a surfactant system, a combination of fatty acids, a non-ionic surfactant and water.
• the liquid detergent composition of the present invention comprises a surfactant system.
• the surfactant system comprises a primary and a secondary surfactant. Both the primary and the secondary surfactants are selected from anionic surfactants.
• the primary surfactant of the present invention is a surfactant of the formula:
• the secondary surfactant of the present invention may be selected from alkylbenzene sulphonates and derivatives; and alkyl sulphates.
• Alkylbenzene sulphonates and derivatives include water-soluble alkali metal salts of organic sulphonates having alkyl radicals typically containing from about 8 to about 22 carbon atoms, preferably 8 to 18 carbon atoms, still more preferably 12 to 15 carbon atoms and may be unsaturated.
• Examples include sodium salt of linear alkylbenzene sulphonate, alkyl toluene sulphonate, alkyl xylene sulphonate, alkyl phenol sulphonate, alkyl naphthalene-sulphonate, ammonium diamylnaphthalene-sulphonate and sodium dinonylnaphthalene-sulphonate and mixtures with olefin sulphonates.
• alkyl sulphates examples include sodium lauryl sulphate, ammonium lauryl sulphate, diethanolamine(DEA) lauryl sulphate. Suitable examples also includes alkyl sulphates commercially available from natural source with trade names Galaxy 689, Galaxy 780, Galaxy 789, Galaxy 799 SP and from synthetic origin with trade names Safol 23, Dobanol 23A or 23S, Lial 123 S, Alfol 1412S, Empicol LC3, Empicol 075SR.
• Preferred secondary surfactants are sodium salt of linear alkylbenzene sulphonate and sodium lauryl sulphate.
• Most preferred secondary surfactant is sodium salt of linear alkylbenzene sulphonate.
• Secondary surfactant may be present in a concentration of 5 to 95 %, preferably at least 12%, more preferably at least 20%, still more preferably at least 30% but typically not more than 85%, preferably not more than 75%, more preferably not more than 65%, still more preferably not more than 55% by weight of the surfactant system.
• the surfactant system of the present invention may further comprise an amphoteric surfactant.
• Suitable surfactants include cocoamidopropyl betaine (CAPB), coco amido propyl amine oxide (CAPAO), cocodiethanol amide (CDEA) and cocomonoethanol amide (CMEA).
• amphoteric surfactant is cocoamidopropyl betaine.
• the amphoteric surfactant is in a concentration of 0.1 to 20%, preferably at least 0.5%, more preferably at least 3%, still more preferably atleast 6% or even more preferably at least 8% but typically not more than 18%, preferably not more than 16%, more preferably not more than 13%, still more preferably not more than 10% by weight of the surfactant system.
• the surfactant system is present in the composition in a concentration of 8 to 30%, preferably not less than 15%, more preferably not less than 18%, still more preferably not less than 20% but typically not more than 28%, preferably not more than 27% or even not more than 26% by weight of the composition.
• the liquid detergent composition of the present invention comprises a combination of fatty acids.
• the combination of fatty acids used in present invention is selected from lauric (C 12 ) and stearic acid (C 18 ).
• C 12 and C 18 fatty acids are used in combination, the chain lengths of these fatty acids have a crucial role on the flash foam and the antifoam activity during rinse.
• C 12 ensures there is no adverse effect on the flash foam of surfactant solution while C 18 triggers the antifoam activity only during rinse.
• Individual fatty acids are found to either kill the surfactant's flash foam or have poor antifoaming activity.
• Fatty acids used in the present invention are saturated fatty acids. Saturated lauric (C 12 ) and stearic acid (C 18 ) are preferred. Unsaturated fatty acids are not preferred in the present invention.
• Lauric and stearic acid are present in the composition in a ratio of 1:1.
• the fatty acids are present in the composition in a concentration of 0.1 to 1 % by weight, preferably at least 0.5% but typically not more than 0.9%, more preferably not more than 0.8% by weight of the composition.
• the liquid detergent composition of the present invention comprises a non-ionic surfactant.
• the nonionic surfactant of the present invention includes the condensation products of a higher alcohol (e.g., an alkanol containing about 8 to 18 carbon atoms in a straight or branched chain configuration) condensed with about 5 to 30 moles of ethylene oxide, for example, lauryl or myristyl alcohol condensed with about 16 moles of ethylene oxide (EO), tridecanol condensed with about 6 moles of EO, myristyl alcohol condensed with about 10 moles of EO per mole of myristyl alcohol, the condensation product of EO with a cut of coconut fatty alcohol containing a mixture of fatty alcohols with alkyl chains varying from 10 to about 14 carbon atoms in length and wherein the condensate contains either about 6 moles of EO per mole of total alcohol or about 9 moles of EO per mole of alcohol and tallow alcohol ethoxylates containing 6 EO to 11 EO per mole of alcohol.
• a higher alcohol e.
• Condensates of 2 to 30 moles of ethylene oxide with sorbitan mono- and tri-C 10 -C 20 alkanoic acid esters having a HLB of 8 to 15 also may be employed as the nonionic surfactant.
• These surfactants are well known and are available from Imperial Chemical Industries under the Tween trade name. Suitable surfactants include polyoxyethylene (4) sorbitan monolaurate, polyoxyethylene (4) sorbitan monostearate, polyoxyethylene (20) sorbitan trioleate and polyoxyethylene (20) sorbitan tristearate.
• Preferred non-ionic surfactants of the present invention are Laureth 5, Laureth 7 and Laureth 9.
• the non-ionic surfactant is present in the composition in a concentration of 0.1 to to 3% by weight, preferably at least 0.5%, still more preferably at least 1% but typically not more than 2.5%, more preferably not more than 2% by weight of the composition.
• the composition further comprises water. Preferably 60 to 92%, more preferably not less than 62%, still more preferably not less than 65% but typically not more than 85%, more preferably not more than 80%, still more preferably not more than 75% by weight of the composition.
• compositions according to the invention may contain other ingredients which aid in the cleaning or sensory performance.
• Compositions according to the invention can also contain, in addition to the ingredients already mentioned, various other optional ingredients such as thickeners, colorants, preservatives, polymers, anti microbial agents, perfumes, pH adjusters, sequesterants, alkalinity agents and hydrotropes.
• pH of the composition of the present invention is between 4.5 and 6.5, preferably between 5 and 6.5, more preferably between 5.5 and 6.
• composition may be used neat or diluted.
• the composition is typically applied neat directly to the surface.
• the composition is preferably diluted with water in a ratio of between 1:1 to 1:10
• composition may be packaged in the form of any commercially available bottle for storing the liquid.
• the bottle containing the liquid can be of different sizes and shapes to accommodate different volumes of the liquid; preferably between 0.25 and 2 L, more preferably between 0.25 and 1.5 L or even between 0.25 and 1 L.
• the bottle is preferably provided with a dispenser, which enables the consumer an easier mode of dispersion of the liquid. Spray or pump-dispensers may also be used.
• the invention in a second aspect, relates to a process of reducing foam during rinse in dishwashing comprising the steps of applying onto the hard surface in neat or diluted form a liquid composition according to the invention, cleaning the hard surface with a cleaning implement; and rinsing the hard surface.
• the composition may be applied by any known ways such as by using a scrub, sponge paper, cloth, wipes or any other direct application.
• the applied composition may be cleaned using a cleaning implement such as a scrub, sponge, paper, cloth or wipes.
• the invention relates to use of a composition according to the invention for providing anti-foaming activity upon rinse.
• compositions were prepared in a batch size of 30 grams each.
• a mixture of the primary and the secondary surfactant was taken in a 50 mL Tarson tube (the concentrations of the surfactants in the examples have been calculated taking into account the purity of the material).
• De-mineralized water was added to this mixture and vortexed till the surfactants had dissolved completely.
• the fatty acid(s) was then added to the mixture and heated to a temperature of 60°C in a water bath (maintained at 65°C). The mixture was stirred in between to ensure homogenous mixing. After complete solubilization of the fatty acid, the mixture was cooled to a temperature of 25 to 30°C, to which the non-ionic surfactant was added and stirred for about 2 to 3 minutes.
• the amphoteric surfactant was added along with the non-ionic surfactant. The final mixture was allowed to cool before using it for foam volume studies.
• test solution 6.25 g/L of the test solution was prepared in 24 FH water. 50 mL of the test solution was taken in a 250 mL graduated glass cylinder. The solution was shook by covering the opening of the cylinder and inverting it 10 times. Then the cylinder was placed on a flat surface of a table for 1 minute for the aqueous layer to separate and it was shook once again to even out the foam level. The volume of foam (excluding aliquote water), in mL was measured and recorded as the initial foam volume.
• the aliquote water was decanted along the sides of the cylinder retaining foam in the cylinder. 50 mL of fresh 24 FH water was added along the sides of the cylinder and the solution was shook and the foam volume measured as mentioned for initial foam measurement above. The cycles were repeated till the foam volume was ⁇ 10 mL.
• the volume of foam generated in the initial wash and the antifoaming effect during rinse by the composition according to the invention is compared to comparative compositions (C2 to C15) comprising various other fatty acids and their combinations.
• Table 2 Set *S urfactant wt % Non-Ionic Surfactant wt % Fatty acid Water wt % Foam volume per rinse cycle, ml wt % Type Initial foam 1 2 3 4 5 6 C1 18 - - - 82 160 160 145 110 60 30 12 C2 18 0.5 0.5 C8 81 147 137 123 83 40 12 ⁇ 1 0 C3 18 0.5 0.5 C12 81 147 130 110 55 19 ⁇ 1 0 - C4 18 0.5 0.5 C14 81 120 110 80 40 12 - ⁇ 1 0 - C5 18 0.5 0.5 C16 81 130 110 60 ⁇ 10 - - - C6 18 0.5 0.5 C18 81 133 113 47 ⁇ 10
• Ex1 performs best when compared to any other compositions comprising fatty acids outside the scope of the present invention (C2 to C15). It is noted that Ex1 maintains the same initial foam as the control (C1) and requires lesser rinse cycles compared to other compositions.
• Example 1 the volume of foam generated in the initial wash and the antifoaming effect during rinse by the composition according to the invention (Ex1) is compared to comparative combinations (C16 and C17) comprising only one component of the composition.
• Table 3 Set *Surfactant wt % Non-Ionic Surfactant wt % Fatty acid Water wt % Foam volume per rinse cycle, ml wt % Type Initial foam 1 2 3 4 5 6 C16 18 - 0.5 C12+C18 81.5 120 100 80 30 ⁇ 10 - - C17 18 0.5 - - 81.5 157 143 127 83 37 18 ⁇ 10 Ex 1 18 0.5 0.5 C12+C18 81 160 150 97 15 ⁇ 10 - - *13.50% LAS + 3.94% SLES 2EO + 0.56% CAPB
• the table shows that the composition according to the invention performs better with respect to the number of rinse cycles and initial foam volume than the compositions with one of the components missing.
• This example demonstrates the effect of concentration of the fatty acid combination on the volume of foam generated in the initial wash and the antifoaming effect during rinse.
• the example compositions Ex1 and Ex2 are compared with comparative compositions C18 and C19 comprising the fatty acid combination in a concentration outside the scope of the invention.
• the table above shows that best results for initial foam and an antifoaming effect during rinse are obtained at a fatty acid combination concentration within the scope of the present invention.
• the table also shows that at higher fatty acid combination concentrations, the initial foam is compromised (C18 and C19).
• compositions according to the invention comprising different concentrations of non-ionic surfactant (Ex1 and Ex3 to Ex5) are compared with comparative compositions having non-ionic surfactant in a concentration outside the scope of the present invention (C20 and C21).
• compositions comprising the non-ionic surfactant in a concentration according to the invention. At concentrations outside the scope of the invention, the compositions appear to result in phase separation.
• Example 1 the specific combination of fatty acids according to the invention (Ex1) is compared to a composition comprising commercially available mixtures of natural and distilled fatty acids such as coconut fatty acid and palm kernel fatty acid (C22).
• Table 6 Set *S urfactant wt % Non-Ionic Surfactant wt % Fatty acid Water wt % Foam volume per rinse cycle, ml wt % Type Initial foam 1 2 3 4 5 6 Ex1 18 0.5 0.5 C12+ C18 81 160 150 97 15 ⁇ 10 - - C22 18 0.5 0.5 Prifac 5908 81 157 147 117 57 25 ⁇ 1 0 - *13.50% LAS + 3.94% SLES 2EO + 0.56% CAPB
• a composition comprising the anionic surfactant system (Ex6) is compared to a surfactant system additionally comprising an amphoteric surfactant (Ex1).
• Table 7 Set Surfactant wt % No n-Ionic Surfactant wt % Fatty acid (C12 + C18) wt % Water wt % Foam volume per rinse cycle, ml Initial foam 1 2 3 4 5 6 Ex1 18* 0.5 0.5 81 160 150 97 15 ⁇ 10 - - Ex 6 18** 0.5 0.5 81 150 128 87 12 ⁇ 10 - - * 13.50% LAS + 3.94% SLES 2EO + 0.56% CAPB ** 9% LAS + 9% SLES 2EO
• composition comprising the fatty acid combination according to the invention is compared to verify if the same initial foam volume and antifoaming effect as in Ex1 are obtained with the same unsaturated fatty acid or with a combination having one of unsaturated fatty acid (C23 and C24).

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• 2015
  • 2015-08-18 CN CN201580042797.4A patent/CN106574217B/zh active Active
  • 2015-08-18 WO PCT/EP2015/068913 patent/WO2016030226A1/en active Application Filing
  • 2015-08-18 EA EA201790493A patent/EA032981B1/ru not_active IP Right Cessation
  • 2015-08-18 EP EP15750759.1A patent/EP3186347B1/en active Active
  • 2015-08-18 BR BR112017003309-7A patent/BR112017003309B1/pt active IP Right Grant
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• 2017
  • 2017-02-08 CL CL2017000324A patent/CL2017000324A1/es unknown
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