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    • 专利摘要:
    Aqueous surfactant compositions are proposed that comprise one or more disulfides of alpha-sulfo fatty acid (A) of the general formula (I), R1CH (SO3M1) COOM2 (I), in which the radical RI is a linear alkyl or alkenyl radical or branched with 6 to 18 carbon atoms and the radicals Ml and M2? independently of each other? selected from the group H, Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamines, one or more compounds of N-acylglutamic acid (B) of the general formula (II), M3OOC-CH2-CH2-CH (NH-CO-R2) -COOM4 (II) where the radical R2 is a linear or branched alkyl or alkenyl radical with 7 to 19 carbon atoms and the radicals M3 and M4? independently of each other? are selected from the group H, Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamines, water and water, where specific limiting conditions must be observed. These compositions are transparent, stable in storage, are characterized by the ability to foam well and are suitable for cosmetic products and also detergents and cleaners.
    公开号:BR112017003931B1
    申请号:R112017003931-1
    申请日:2015-08-07
    公开日:2020-11-17
    发明作者:Ansgar Behler；Claudia Brunn；Detlev Stanislowski
    申请人:Basf Se；
    IPC主号:
    专利说明:

    Field of invention
    [001] The present invention relates to aqueous surfactant compositions with a content of alpha-sulfo fatty acid dissals and specific N-acylglutamic acid compounds. Background Art
    [002] Anionic surfactants are some of the most widespread active compounds, in addition to being used in detergents and cleaners, they are also used in the cosmetics field. The usual anionic surfactants as used in cosmetics are the salts of alkyl ether sulphates (alkyl polyether sulphates, polyglycol ether fatty alcohol sulphates, in summary, are also ether sulphates). They are characterized by a strong foaming capacity, high cleaning power, low sensitivity to hardness and grease and are used widely in the production of cosmetic products such as hair shampoos, bubble baths or showers, but also in dishwashing detergents manually.
    [003] For many current applications, in addition to a great active interaction effect, other requirements are assigned to anionic surfactants. Dermatologically high compatibility is required especially in cosmetics. In addition, adequate water solubility, compatibility with as many active and auxiliary ingredients used in cosmetics as possible, a good foaming capacity and an excellent thickening capacity are generally desired. There is also a need for anionic surfactants that can be produced at least partially from biogenic sources and specifically also renewable raw material. In addition, there is also a need for surfactants that do not have alkoxylated groups and, in this way, in particular, make the use of ethylene oxide for their production superfluous.
    [004] The so-called alpha-sulfo fatty acid dissals ("dissals") are a known class of surfactants, but have very poor solubility in water (cf. eg, F. Schambil and MJSchwuger, Tenside Surf. Det. 27 (1990), 6, pp. 380-385): Thus, for example, the water solubility of C14-di-Na salt at 20 ° C is only 0.7% (compare the graph on page 381). This is low in an unsatisfactory way for practice, for example, cosmetic preparations. Thus, disals have not been used so far in aqueous surfactant formulations as anionic-based surfactant and have not been used to prepare stable transparent formulations due to insufficient water solubility.
    [005] E.G. Su et al. (SÕFW Journal 139 4-2013, pages 30 and 32-36) describe formulations that comprise mild sulfate-free skin cleansing compositions, comprising amino acid-based surfactants. Three types of surfactants based on amino acids are investigated here: glycinates, sarcosinates and glutamates. The investigation concludes that these three types of surfactants are suitable as substitutes for lauryl ether sulfates in cleaning compositions. Glycinates are the focus of the article while glutamates are cited only in general. A potential combination of glutamates with alpha-sulfo fatty acid disals is not disclosed.
    [006] Investigations by the applicant have shown that the foaming ability of amino acid-based surfactants, particularly N-acylglutamates, is highly pH dependent and is inadequate in the comprehensive pH range for cosmetic cleaning formulations. The cleansing formulations are indications for shower baths, hair shampoos and the like, which depend on good foaming behavior, in particular, initial foaming behavior and where skin cleansing occurs after use.
    [007] Investigations by the applicant have also shown that amino acid-based surfactants, particularly N-acylglutamates, can only be incorporated with difficulty in the stable transparent formulations at low pH. Description of the invention
    [008] The complex objective of the present invention is to provide aqueous surfactant compositions that are characterized by the properties specified below, with each of these properties constituting a technical resource: • Good transparency, which for the purpose of the present invention must be understood as meaning that the aqueous surfactant compositions after quantitative determination by means of a TurbiScan MA 2000 (Formulaction measuring instrument) at 23 ° C have an average transmission of at least 80%, preferably at least 85% and in particular at least 88%. • Good foaming capacity. In this regard, it can be observed that in the cosmetic field the foaming capacity can mean different aspects, being possible to use in particular foam volume, foam stability, foam elasticity, foam water content, foam optical resources , for example, pore size, and also foam sensitivity for foam evaluation purposes. It is particularly desirable for an active surface formulation to have a high volume of foam in the initial foam formation. The initial foaming behavior plays a very important role, particularly in so-called rinse products, which should be understood as products that come into contact with the skin during cleaning or beautification, but are washed again (eg, gels, formulations of bath products, shampoos, liquid soaps etc.) Especially in this sector, a large volume of foam is desired as much as possible. In practice, the initial formation of the foam occurs in a relatively short period (from a few seconds to a minute). In general, during the initial formation of foam, a shower gel or shampoo is spread and generates foam with the action of rubbing hands, skin and / or hair. An excellent initial foaming behavior is of fundamental importance in the context of the present invention. In the laboratory, the initial foaming behavior of an aqueous surfactant solution can be assessed, for example, by stirring the solution in a comparatively short period by means of agitation, pumping, bubbling by means of a flow of gas or other way. The foam test used for the purpose of the present invention is described in more detail in the experimental section. • Hydrolysis stability at pHs of 8 or less. • Shelf life at room temperature (23 ° C) for at least 12 weeks without the appearance of any visible changes (for example, turbidity, discoloration, phase separation, loss of transparency and the like).
    [009] The invention primarily provides aqueous surfactant compositions comprising • one or more alpha-sulfo fatty acid dissals (A) of the general formula (I), R1CH (SO3M1) COOM2 (I), where the radical R1 is a linear or branched alkyl or alkenyl radical with 6 to 18 carbon atoms and the radicals M1 and M2 - independently of each other - are selected from the group H, Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamines , • one or more N-acylglutamic acid compounds (B) of the general formula (II), M3OOC-CH2-CH2-CH (NH-CO-R2) -COOM4 (II) where the radical R is an alkyl radical or linear or branched alkenyl with 7 to 19 carbon atoms and the radicals M3 and M4 - independently of each other - are selected from the group H, Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamines • water, where the following conditions apply: • the content of compounds (A) and (B) in the aqueous surfactant compositions is - based on the total aqueous surfactant composition - at least 5% by weight; • if aqueous surfactant compositions comprise one or more sulfonate ester (E) of the general formula (V), R5CH (SO3M7) COOR6 (V) where the radical R5 is a linear or branched alkyl or alkenyl radical with 6 to 18 atoms carbon and the radical R6 is a linear or branched alkyl or alkenyl radical with 1 to 20 carbon atoms, where the radical R6 can logically be an alkenyl radical or be branched just above 3 carbon atoms, and the radical M7 is selected from the group Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamines, it is the case that compounds (A) - based on the totality of compounds (A) and (E) - must be present at 50% by weight or more - and in particular at 90% by weight or more; • the weight ratio of compounds (B): (A) in the aqueous surfactant compositions is in the range of 2: 1 to 6: 1; • the pH of the aqueous surfactant compositions is 8 or less; • the average transmission of the aqueous surfactant compositions at 23 ° C - measured using a TurbiScan MA 2000 - is at least 80%.
    [010] Surprisingly, the complex objective mentioned above has been achieved in an excellent way by the surfactant compositions according to the invention. It was unpredictable and therefore highly surprising that the dissals can be used in combination with N-acylglutamic acid (B) compounds in considerably higher concentrations, evident based on the fact that the aqueous compositions are transparent and are not turbid. In other words: The dissal solubility (A) is significantly increased by combining with N-acylglutamic acid compounds (B). According to the invention, the compositions also exhibit synergistic foaming behavior for the rinse application interval, the inventive combinations of surfactants (A) and (B) show excellent initial foaming behavior. Compounds (A)
    [011] Compounds (A), which are cited within the context of the present invention as alpha-sulfo fatty acid dissals, are mandatory for the aqueous surfactant compositions according to the invention. They have the formula mentioned above (I) J ^ CH (SO3M1) COOM2 (I), where the radical R1 is a linear or branched alkyl or alkenyl radical with 6 to 18 carbon atoms and the radicals M1 and M2 - independently one on the other - they are selected from the group H, Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamines. In this regard, the particularly preferred alkanolamines are monoethanolamine, diethanolamine, triethanolamine and monoisopropanolamine.
    [012] In one representation, the condition that applies is that the fraction of compounds (A) in aqueous surfactant compositions in which the radical R1 is an alkenyl radical - based on the total amount of the compounds (A) - is 3 % by weight or less.
    [013] In a preferred representation, the radical R1 in formula (I) is a linear saturated radical with 10 to 16 carbon atoms, in which, with respect to compounds (A), it is the case where the fraction of the compounds ( A) in which the radical R1 is a decyl and / or dodecyl radical - based on the total amount of compounds (A) - is 90% by weight or more.
    [014] Preferably, the radicals M1 and M2 in formula (I) are Na.
    [015] Compounds (A) can be prepared by all methods known to the person skilled in the art. A particularly preferred method of preparation here is sulphating of the corresponding carboxylic acids. Here, the corresponding carboxylic acid and, in particular, the corresponding fatty acids, reacted with sulfur trioxide gas, sulfur trioxide being used preferably in an amount so that the molar ratio of SO3 to fatty acid is in the range of 1.0 : 1 to 1.1: 1. The raw products obtained in this way, which are acidic sulphate products, are partially or completely neutralized, with preference to complete neutralization with aqueous NaOH. If desired, it is also possible to ensure the purification and / or bleaching steps (to adjust the desired pale color of the products).
    [016] In a particularly preferred embodiment, compounds (A) are used in the form of a technical grade. This means that the corresponding carboxylic acids, in particular native fatty acid, are sulfated with gaseous sulfur trioxide and as a result, after partial or complete neutralization of the resulting acid sulphate products, a mixture of compounds (A) is produced, ( C) and (D). Due to the corresponding adjustments of the reaction parameters (in particular, molar ratio of carboxylic acid and sulfur trioxide, in addition to the reaction temperature), it is possible to control the proportion of compounds (A), (C) and (D). The compounds (C) and (D) are described below in the chapter "Preferred representations".
    [017] In the context of the present invention, preference is given to mixtures of technical grade of alpha-sulfo fatty acid dissals which have the following composition: • the content of (A) varies from 60 to 100% by weight, • the content (C) ranges from 0 to 20% by weight, • the content of (D) ranges from 0 to 20% by weight, with the proviso that the sum of components (A), (C) and (D) in this mixture is 100% by weight.
    [018] Particular preference is given to mixtures of technical grade which are composed as follows: • the content of (A) varies from 70 to 80% by weight, • the content of (C) varies from 10 to 15% by weight , • the content of (D) varies from 10 to 15% by weight, with the proviso that the sum of the components (A), (C) and (D) in this mixture is 100% by weight. The compounds (B)
    [019] Compounds (B), which are cited within the context of the present invention as N-acylglutamic acid compounds, are mandatory for the aqueous surfactant compositions according to the invention. They have the formula mentioned above (II) M3OOC-CH2-CH2-CH (NH-CO-R2) -COOM4 (II) where the radical R2 is a linear or branched alkyl or alkenyl radical with 7 to 19 atoms of carbon and the radicals M3 and M4 - independently of each other - are selected from the group H, Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamines. In this regard, particularly preferred alkanolamines are monoethanolamine, diethanolamine, triethanolamine and monoisopropanolamine. In one representation, the radicals M3 and M4 are both Na (sodium).
    [020] In one representation, the condition that applies is that the fraction of compounds (B) where the radical R2 is an alkenyl radical - based on the total amount of the compounds (B) in the aqueous surfactant compositions - is 3% by weight or less.
    [021] Compounds (B) can be prepared by all methods known to the person skilled in the art.
    [022] In one representation, the radical R in formula (II) is a linear saturated radical with 11 to 13 carbon atoms. Preferred representations
    [023] In one embodiment, the aqueous surfactant compositions according to the invention comprise, in addition to compounds (A), (B) and water, additionally one or more compounds (C) of the general formula (III) R4COOM5 ( III)
    [024] In formula (III), the radical R4 is a linear or branched alkyl or alkenyl radical with 7 to 19 carbon atoms and the radical M5 is selected from the group H, Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamines. In this regard, particularly preferred alkanolamines are monoethanolamine, diethanolamine, triethanolamine and monoisopropanolamine.
    [025] In one embodiment, the aqueous surfactant compositions according to the invention comprise, in addition to compounds (A), (B) and water, in addition to one or more inorganic salts of sulfuric acid (D) of the general formula ( IV) (M6) 2SO4 (IV) where M6 is selected from the group Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamine. In this regard, particularly preferred alkanolamines are monoethanolamine, diethanolamine, triethanolamine and monoisopropanolamine.
    [026] In a preferred embodiment, the aqueous surfactant compositions, according to the invention, comprise compounds (A), (B), (C) and (D). Here, it is particularly preferred that the M1 and M2 radicals of compounds (A), the M3 and M4 radicals of compounds (B), the M5 radical of compounds (C) and the M6 radical of compounds (D) are Na (sodium) .
    [027] As explained above, the content of compounds (A) and (B) in the compositions - based on the total composition - is at least 5% by weight. Preferably, the content of compounds (A) and (B) in the compositions - based on the total composition - is in the range of 5 to 50% by weight, in particular, in the range of 5 to 20% by weight and particularly and preferably in the range from 8 to 12% by weight.
    [028] As explained above, the weight ratio of compounds (B): (A) in the compositions is in the range of 2: 1 to 6: 1.
    [029] In a preferred representation, the weight ratio of compounds (B): (A) in the compositions is in the range of 3: 1 to 4.5: 1.
    [030] The pH of the compositions is 8 or less; The pH is preferably adjusted to 7 or less. In a preferred embodiment, the pH of the compositions is in the range of 4.5 to 7.0 and particularly 4.5 to 5.5.
    [031] If desired, the aqueous surfactant compositions according to the invention may additionally comprise one or more surfactants that, structurally, do not belong to the compounds mentioned above (A), (B), (D) or ( AND) . These surfactants can be anionic, cationic, non-ionic or amphoteric. Use of the compositions
    [032] Another objective of the invention is the use of the compositions mentioned above for cosmetic products and also detergents and cleaners.
    [033] In relation to cosmetic products, preference is given here especially to those that are present in the form of shampoos, shower gels, soaps, syndicates, washing pastes, washing lotions, cleaning preparations, bubble baths, oil baths , shower baths, shaving foams, shaving lotions, shaving creams and tooth care products (eg toothpaste, mouthwashes and the like).
    [034] In relation to cleaners, preferably here, in particular products with a low pH for cleaning rigid surfaces, such as bathroom and toilet cleaners and the like, and also for cleaning and / or fragrance gels for use in sanitary facilities. Examples Substances used
    [035] Water completely demined. = completely demineralized water
    [036] SFA-I: technical grade alpha-sulfo fatty acid dissal based on native C12 / 14 fatty acids; composition: 74% by weight of disodium 2-sulfolaurate, 13% by weight of sodium laurate, 11% by weight of sodium sulfate, 2% by weight of water. The term "laurate" here means that the C12 / 14 weight ratio of the underlying native fatty acid mixture is 70: 30.
    [037] SFA-I: purified alpha-sulfo fatty acid disal based on C12 / 14 native fatty acids, 'composition: 90% by weight of disodium 2-sulfolaurate, 5% by weight of sodium laurate, 0.2 % by weight of sodium sulfate, 4.8% by weight of water. The term "laurate" here means that the C12 / 14 weight ratio of the underlying native fatty acid mixture is 70: 30.
    [038] ACG: Plantapon ACG HC (sodium cocoyl glutamate, active substance of 41% by weight), commercial product of BASF PCN). Measurement and test methods
    [039] pH: Using a standard commercial pH meter, pH was measured directly in the formulation, that is, aqueous surfactant composition.
    [040] Homogeneity and appearance: The evaluation of homogeneity and appearance of aqueous surfactant compositions was performed visually (with the naked eye) in 125 ml wide-necked glass bottles. Homogeneity was assessed first. In the context of the present invention, homogeneity is understood as the absence of a cream visible to the naked eye or sediment. If the compositions were evaluated as homogeneous, their appearance was also evaluated and characterized, for example, with attributes such as slightly opaque (but still always clearly translucent) to crystalline. Transparency:
    [041] The samples were initially observed with the naked eye. Obvious turbidity, crystals or sediment are directly recognized in this case. If the sample was evidently free of solid precipitates, the transparency was determined quantitatively by means of a TurbiScan MA 2000 (Formulaction measuring instrument) at 23 ° C. Samples would be designated as transparent if they had at least 80% medium transmission. Thus, the "transparent" description in Table 1 below means that the transmission of the medium was at least 80%.
    [042] For the quantitative determination of transparency using a TurbiScan MA 2000, first 5 ml samples of the aqueous surfactant compositions to be tested were placed on the cell-specific measuring instrument and left to stand for 24 hours at room temperature (23 ° C) until all air bubbles are released. Then, the transmission of the incident light (wavelength 850 nm) was measured at a sample level of 20 mm to 50 mm. The evaluation was made using the Turbisoft software (Version 1.2.1) provided by the manufacturer of the measuring instrument: for each measurement, an average transmission value (in%) above the sample level is emitted by the software. This average value is called the average transmission for the purposes of this application. Here, the transmission measurement was repeated 3 times for each sample and the average numerical value was formed from the resulting values for the average transmission. Determination of initial foaming behavior:
    [043] To test the initial foaming behavior (rotor foam method), a standard commercial measuring instrument (Sita Foam Tester R 2000) was used. For this, an aqueous surfactant solution was first prepared as follows: 1 g of active substance from each sample to be tested (the samples used were SFA-I or ACG or mixtures of these substances, see below; in the case of SFA-I, the content of the active substance is understood - as explained above - as meaning the content of dissal) was dissolved at 20 ° C in 1 liter of completely demineralized water (= water with a hardness level of 0o German. The pH of the solution was adjusted to the desired value with diluted citric acid or aqueous sodium hydroxide solution - the respective value is shown in Tables 1 and 2. The solution prepared in this way was heated to 30 ° C.
    [044] 250 ml of the heated reservoir was transferred to a measuring instrument and the foam was rotated at a speed of 1300 revolutions per minute for 10 seconds, the volume of the foam present was determined (in ml) and then it was foamed for another 10 seconds, the volume of foam present was determined (in ml) etc. that is, the foam level was determined every 10 seconds during foaming. After a foaming time of 80 seconds, the measurement was completed. The measurement was repeated for each sample 3 times, in each case using a new solution from the same batch, and the result of the measurements after 40, 60 and 80 seconds was presented as an average of these three parameters (see the tables). Shelf life:
    [045] The surfactant compositions were stored at 23 ° C for a period of 12 weeks. Then, the test of the two parameters, homogeneity and appearance, of the compositions was carried out. The compositions are considered to be stable in storage if both parameters remain unchanged for the entire 12 week period. Examples Example 1 (inventive)
    [046] Preparation (lot size 200 g): The components, according to Table 1, were dissolved in completely demineralized water at 23 ° C with stirring (completely demineralized water = water with a hardness level of 0o German). The pH was adjusted to the value determined in Table 1 by the addition of citric acid (50% solution). The evaluated parameters (homogeneity, appearance, expiration date) can be found in Table 1. Example 2 (inventive)
    [047] Preparation as in example 1, but with altered quantities of the components used (see Table 1). Adjustment of pH as in Example 1 with citric acid (to the value shown in Table 1). The evaluated parameters (homogeneity, appearance, expiration date) can be found in Table 1. Table 1
    Comparative examples 1 and 2
    [048] Preparation as in example 1, but ACG or SFA was used exclusively (see Table 2). The pH was adjusted with citric acid (to the value shown in Table 2). The evaluated parameters (homogeneity, appearance, expiration date) can be found in Table 2. Table 2

    Examples 3 to 7 (inventive):
    [049] Data on the initial foaming behavior of mixtures of ACG / SFA I or ACG / SFA II surfactants can be obtained in Table 3. Table 3
    Comparative examples 3 to 7:
    [050] Data on the initial foaming behavior of ACG or SFA surfactants can be obtained from Table 4. Table 4
    权利要求:
    Claims (14)
    [0001]
    1. An aqueous surfactant composition characterized by comprising one or more disulfides of alpha-sulfo fatty acid (A) of the general formula (I), R ^ -CH (SO3M1) COOM2 (I) in which the radical R1 is a radical of linear or branched alkyl or alkenyl with 6 to 18 carbon atoms and the radicals M1 and M2 - independently of each other - are selected from the group H, Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamine, a or more N-acylglutamic acid (B) compounds of the general formula (II), M3OOC-CH2-CH2-CH (NH-CO-R2) -COOM4 (II) in which the radical R2 is a linear alkyl or alkenyl radical or branched with 7 to 19 carbon atoms and the radicals M3 and M4 - independently of each other - are selected from the group H, Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamines, water, in which the The following conditions apply: the content of compounds (A) and (B) in the aqueous surfactant composition is - based on the total aqueous surfactant composition - at least 5% by weight; if the aqueous surfactant composition comprises one or more sulfonate ester (E) of the general formula (V), R5CH (SO3M7) COOR6 (V) where the radical R5 is a linear or branched alkyl or alkenyl radical with 6 to 18 atoms carbon and the radical R6 is a linear or branched alkyl or alkenyl radical with 1 to 20 carbon atoms, where the radical R7 can logically be an alkenyl radical or be branched just above 3 carbon atoms, and the radical M7 is selected from the group Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamines, it is the case that compounds (A) - based on the totality of compounds (A) and (E) - must be present at 50% by weight or more; the weight ratio of compounds (B): (A) in the aqueous surfactant composition is in the range of 2: 1 to 6: 1; the pH of the aqueous surfactant composition is 8 or less; the average transmission of the aqueous surfactant composition at 23 ° C - measured using a TurbiScan MA 2000 - is at least 80%.
    [0002]
    The composition according to claim 1, characterized in that the radical R2 in formula (II) is a saturated alkyl radical having 11 to 13 carbon atoms.
    [0003]
    The composition according to claim 1 or 2, characterized by the radical R1 in formula (I) being a linear saturated radical with 10 to 16 carbon atoms, in which, with respect to compounds (A), this is the case in that the fraction of compounds (A) in which the radical R1 is a decyl or dodecyl radical - based on the total amount of compounds (A) - is 90% by weight or more.
    [0004]
    The composition according to any one of claims 1 to 3, characterized in that the radicals M1 and M2 are Na.
    [0005]
    The composition according to any one of claims 1 to 4, characterized by the radicals M3 and M4 being Na.
    [0006]
    The composition according to any one of claims 1 to 5, characterized in that the composition additionally comprises one or more compounds (C) of the general formula (III), R4COOM5 (III) in which the radical R4 is an alkyl radical or linear or branched alkenyl with 7 to 19 carbon atoms and the radical M5 is selected from the group H, Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamine.
    [0007]
    The composition according to any one of claims 1 to 6, characterized in that the composition further comprises one or more inorganic salts of sulfuric acid (D) of the general formula (IV), (M6) 2SO4 (IV) wherein M6 is selected from the group Li, Na, K, Ca / 2, Mg / 2, ammonium and alkanolamine.
    [0008]
    The composition according to any one of claims 1 to 7, characterized in that the content of compounds (A) and (B) in the composition - based on the total composition - is in the range of 8 to 12% by weight.
    [0009]
    The composition according to any one of claims 1 to 8, characterized in that the weight ratio of the compounds (B): (A) in the composition is in the range of 3: 1 to 4.5: 1.
    [0010]
    The composition according to any one of claims 1 to 9, characterized in that the pH of the composition is in the range of 4.0 to 7.0.
    [0011]
    The composition according to any one of claims 1 to 9, characterized in that the pH of the composition is in the range of 4.5 to 5.5.
    [0012]
    The use of the composition according to any one of claims 1 to 11, characterized in that it is intended for cosmetic products and also detergents and cleaners.
    [0013]
    13. The use of the composition according to any one of claims 1 to 11, characterized in that it is intended for cosmetic products in the form of shampoos, shower gels, soaps, syndicates, washing pastes, washing lotions, preparations for exfoliation, bubble baths, oil baths, shower baths, shaving foams, shaving lotions and creams and tooth care products.
    [0014]
    14. The use of the compositions according to any one of claims 1 to 11, characterized in that they are intended for products with a low pH for cleaning rigid surfaces, such as bathroom and toilet cleaners and the like and also for cleaning gels and / or fragrance for use in sanitary facilities.
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    同族专利:
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    法律状态:
    2019-08-27| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-08-25| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-11-17| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 07/08/2015, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    EPEP14182366.6|2014-08-27|
    EP14182366.6A|EP2990026B1|2014-08-27|2014-08-27|Aqueous tenside compositions|
    PCT/EP2015/068291|WO2016030172A1|2014-08-27|2015-08-07|Aqueous surfactant compositions|
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