Classifications

• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
  • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
  • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
  • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
  • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
  • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
  • A01N25/10—Macromolecular compounds
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
  • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
  • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
  • A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
  • A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/34—Alcohols
  • A61K8/345—Alcohols containing more than one hydroxy group
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/39—Derivatives containing from 2 to 10 oxyalkylene groups
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
  • A61K8/4973—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/60—Sugars; Derivatives thereof
  • A61K8/604—Alkylpolyglycosides; Derivatives thereof, e.g. esters
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/73—Polysaccharides
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/86—Polyethers
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
  • A61Q17/02—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings containing insect repellants
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
  • C09K17/00—Soil-conditioning materials or soil-stabilising materials
  • C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only

Definitions

• the present invention relates to a concentrate, to a composition comprising it, and to a solution comprising it.
• the present invention also relates to a process for preparing the concentrate, the composition and the solution according to the invention, and their uses, in particular that of the concentrate according to the invention as an adjuvant.
• Adjuvants are generally defined as substances whose role is to improve the physico-chemical properties of the solutions and more particularly the aqueous solutions comprising them.
• solution in the present application is meant more particularly an aqueous solution, the latter may be homogeneous or not (for example, an emulsion, a dispersion or a suspension).
• adjuvants mention may be made of penetrating agents, humectants, tackifiers, debouncing agents, dispersing agents, anti-leaching agents or wetting agents.
• the wetting agents have the property of promoting the spreading of the solutions comprising them, and therefore find application in many fields.
• wetting agents in the cleaning industry, for example in cleaning or cleaning solutions, or in the cosmetics industry.
• the use of wetting agents is also of particular interest in the crop protection industry (agricultural) and non-agricultural areas such as parks, gardens, etc.
• wetting agents in phytosanitary solutions such as, for example, herbicidal, fungicidal, insecticidal or stimulating solutions of plant defenses, improves the spreading of these solutions. This results, on the one hand, a reduction in the amount of phytosanitary solution to be sprayed on crops, and on the other hand, an improvement in the effectiveness of phytosanitary solutions.
• the use of wetting agents thus makes it possible to reduce the efforts and costs associated with the treatment of crops.
• the wetting agents are environmentally friendly compounds and less toxic for the operators using them. This is particularly important when they are present in phytosanitary solutions, as these are usually spilled in significant amounts on crops, so that it is preferable, if not necessary, that the wetting agents are ecologically advantageous compounds, and in particular biodegradable.
• the invention therefore relates to a concentrate comprising:
• MEL mannosylerythritol lipid
• a "mannosylerythritol lipid” is a surfactant belonging to the class of glycolipids. More particularly, an MEL is an amphiphilic molecule whose hydrophilic part is formed of a mannosylerythritol residue, and whose hydrophobic part is formed by at least one fatty acid.
• MEL denotes a molecule having the following general formula (I):
• R 1 and R 2 which may be identical or different, represent an unsaturated or saturated fatty acid
• R 3 and R 4 identical or different, represent an acetyl group or a hydrogen atom.
• MEL denotes a molecule of formula (II) below:
• R 1 and R 2 which are identical or different, represent an unsaturated or saturated fatty acid
• R 3 and R 4 which may be identical or different, represent an acetyl group or a hydrogen atom.
• formulas (I) and (II) above may represent several molecules, each molecule being an MEL.
• MELs is meant at least two molecules of formulas (I), and more particularly of formula (II), different.
• MELs are generally classified into four classes of molecules, denoted from A to D, according to their degree of acetylation in R 3 and R 4 .
• the class of MELs-A comprises molecules of formulas (I) or (II) having two acetyl groups at R 3 and R 4 .
• the MELs-B class and the MELs-C class contain molecules of formula (I) or (II) having a single acetyl group at R 4 and R 3, respectively.
• MELs can vary in their structure, by the nature of the fatty acids that make up their hydrophobic part. This variation is generally a function of the process used to obtain the MELs.
• MELs are generally obtained by processes involving the cultivation of fungi, and more particularly yeasts.
• the MELs targeted by the present application are obtained by a fermentation process, comprising the following steps:
• MELs can be obtained are well known to those skilled in the art. For example, it is known to use fungus strains of the genus Pseudozyma or genus Ustilago, for obtaining MELs.
• the strains used in the fermentation process described above are strains of fungi belonging to the genus Pseudozyma.
• the strain is Pzeudozyma antartica or Pzeudozyma aphidis.
• Such strains are usually grown in a reactor in a medium comprising glucose, water and / or salts (such as magnesium sulfate, monopotassium phosphate and / or ammonium nitrate).
• salts such as magnesium sulfate, monopotassium phosphate and / or ammonium nitrate.
• the various components of the medium are sterilized separately before introduction into the reactor.
• the temperature of the medium is preferably between 20 and 35%, more preferably between 25 and 30 ° C.
• the carbon source for the production of MELs by the strain is an oil, such as a vegetable oil.
• the carbon source is a soybean oil or even more preferably a rapeseed oil.
• These oils are particularly rich in fatty acids having a carbon chain containing 18 carbon atoms, such as oleic, linoleic and / or linolenic acid, and to a lesser extent fatty acids having a carbon chain containing 16 carbon atoms. carbon, such as palmitic acid.
• the recovery of the MELs subsequent to the culture step may include a step of separating the MELs from the other components of the medium. This step can be done by conventional separation methods known to those skilled in the art.
• the recovery of the MELs can comprise one or more of the following separation methods:
• the concentrate according to the invention also comprises at least one alkylpolyglucoside.
• the alkylpolyglucosides are generally used as surfactants. They have the advantage of being able to be prepared from renewable materials, to be non-toxic and easily biodegradable.
• the concentrate according to the invention also comprises monopropylene glycol.
• the monopropylene glycol (also called 1, 2-dihydroxypropane) is a solvent conventionally used in various industries: food, pharmaceutical, air conditioning, aeronautics.
• solvent means a liquid under normal conditions of temperature and pressure (CNTP), which has the property of dissolving, diluting or extracting other substances without causing chemical modification of these substances and without it - even change.
• the concentrate according to the invention when added to a solution, significantly improves the wetting power of this solution. More particularly, it has been demonstrated by the inventors that, surprisingly, a solution comprising the concentrate according to the invention, that is to say comprising a combination of at least one MEL, at least one alkylpolyglucoside and monopropylene glycol, had excellent wetting power.
• This wetting power of the solution comprising the concentrate according to the invention is in particular greater than that of a solution comprising one or a combination of two of these three components.
• a solution comprising the concentrate according to the invention when applied to a solid surface (such as a hydrophobic flat surface), the wetting of this solid surface by this solution is greater than the wetting of the same surface by a solution comprising one, or a combination of two of the three components of the concentrate according to the invention.
• “Surface tension” of a liquid means the force exerted at the interface between the liquid and a solid.
• surface tension and “surface tension” are synonymous in the present application; - By contact angle of a drop of liquid 1 deposited on a flat solid surface 2 is meant the angle ⁇ formed by the tangent to the drop of liquid 1 at the point of contact with the flat solid surface 2, as shown in Figure 1.
• the capacity of the liquid to be wetted the solid ie spreading or spreading on it, will depend directly on the force exerted at the interface between liquid and solid, which is generally defined as the surface tension.
• the surface tension is therefore the force that allows the liquid to adhere to the solid, or preventing it from spreading on the solid.
• the greater the surface tension the less the liquid will be able to wet the solid in question.
• Figures 2a to 2c are more particularly three cases.
• Example 2 The effect of the concentrate according to the invention on the wetting power of a solution is more fully described in Example 2.
• alkylpolyglucoside present in the concentrate according to the invention is a molecule of formula (III) below:
• n is an integer between 0 and 5
• R 5 is an alkyl chain having 5 to 20 carbon atoms.
• the alkylpolyglucoside included in the concentrate according to the invention is a molecule of formula (III) in which:
• n is an integer between 0 and 5
• R 5 is an alkyl chain having 8 to 14 carbon atoms.
• the at least one alkylpolyglucoside present in the concentrate according to the invention is a molecule of formula (III), in which n is equal to 0 and R 5 is an alkyl chain comprising 11 carbon atoms (also called undecyl grouping). ).
• Such an alkylpolyglucoside has the following formula (IV):
• the total amount of alkylpolyglucoside (s) in the concentrate according to the invention is between 0.1 and 25% by weight relative to the total weight of the concentrate.
• total amount of alkylpolyglucoside (s) present in the concentrate is meant the amount of molecule (s) of alkylpolyglucoside (s) of formula (III), and more particularly (IV) present in the concentrate according to the invention.
• the total amount of alkylpolyglucoside (s) is between 0.5 and 15% by weight, more preferably between 1 and 10% by weight, relative to the total weight of the concentrate.
• the total amount of MEL (s) in the concentrate according to the invention is between 0.1 and 25% by weight relative to the total weight of the concentrate.
• Total amount of MEL (s) present in the concentrate means the amount of molecule (s) of MEL (s) of formulas (I) or more particularly of formula (II) present in the concentrate according to the invention.
• the total amount of MEL (s) is between 0.5 and 10% by weight, more preferably between 1 and 5% by weight, relative to the total weight of the concentrate.
• the amount of monopropylene glycol in the concentrate according to the invention is between 75 and 99.8% by weight relative to the total weight of the concentrate.
• the ratio monopropylene glycol: MEL (s) and / or monopropylene glycol: alkylpolyglucoside (s) is / are advantageously between 0.5 and 1000.
• the ratios given above refer to the total amount of MEL (s) and the total amount of alkylpolyglucoside (s), respectively.
• each of the ratios monopropylene glycol: MEL (s) and / or monopropylene glycol: alkylpolyglucoside (s) is individually between 1 and 500, more preferably between 10 and 50.
• MEL MEL
• the concentrate according to the invention comprises at least two MELs chosen from the group consisting of MEL-A, MEL-B, MEL-C and MEL-D.
• the concentrate according to the invention comprises MEL (s) -A, MEL (s) -B, MEL (s) -C and optionally MEL (s) -D, more preferably MEL (s) -A , MEL (s) -B, MEL (s) -C and MEL (s) -D.
• the concentrate according to the invention comprises MELs-A and MELs-B at a content of between 50 and 90% by weight, preferably between 60 and 85% by weight, the percentages by weight being indicated relative to the weight the total amount of MELs.
• the concentrate according to the invention comprises MELs-C at a content greater than or equal to 5% by weight, preferably greater than or equal to 10% by weight, the percentages by weight being indicated relative to the weight of the total amount. of MELs.
• the concentrate according to the invention can comprise MELs-A and MELs-B at a content of between 60% and 75% by weight, and MELs-C at a content of greater than or equal to 10% by weight, preferentially at a content greater than or equal to 20% by weight, the percentages by weight being indicated relative to the weight of the total amount of MELs.
• the concentrate according to the invention further comprises at least one free fatty acid and / or at least one triglyceride.
• free fatty acid is meant any molecule of fatty acid that is not bound to another molecule.
• fatty acid is meant any molecule of fatty acid linked to another molecule, for example when this fatty acid molecule is present in a triglyceride or in an MEL.
• the at least one free fatty acid and / or at least one triglyceride may have been introduced concomitantly with the at least one MEL.
• MELs may comprise one or more free fatty acid (s) and / or triglyceride (s).
• the amount of free fatty acid (s) and / or triglyceride (s) present in the concentrate according to the invention may be between 0.001 and 35% by weight, preferably between 0.01 and 20% by weight, based on the total weight of the concentrate.
• the concentrate comprises at least one free fatty acid and at least one triglyceride.
• the amount of free fatty acid (s) and triglyceride (s) present in the concentrate according to the invention may be between 0.1 and 15% by weight, preferably between 0.2 and 10% by weight, more preferably between 0.5 and 5% by weight, relative to the total weight of the concentrate.
• the free fatty acid (s) comprises (s) a carbon chain comprising between 14 and 24 carbon atoms, preferably 16 or 18 carbon atoms.
• the triglyceride (s) comprise fatty acids comprising a carbon chain comprising between 14 and 24 carbon atoms, preferably 16 or 18 carbon atoms.
• the MELs at the end of the recovery step, comprise at least one free fatty acid, at least one triglyceride, water and / or strains, this mixture is called "mixture of MELs".
• the free fatty acid (s) and / or triglyceride (s) may be derived from the residual oil present with the MEL (s) at the end of the process. fermentation method described above, said residual oil being the oil used as carbon source in the fermentation process, which has not been used by the strains.
• the free free fatty acid (s) may be derived from the metabolism, by the strains, of the triglycerides included in the oil used as a carbon source in said process. .
• the MELs may also include water and fungal strains, particularly yeast strains.
• the concentrate according to the invention comprises a mixture of MELs having the following characteristics:
• MEL content greater than or equal to 40% by weight, preferably greater than or equal to 50% by weight, more preferably greater than or equal to 55% by weight;
• a content of other components of less than or equal to 60% by weight, preferably less than or equal to 50% by weight, more preferably less than or equal to 45% by weight (of which free fatty acids, triglycerides, water and / or strains) ,
• the content of water and / or strains is less than 3% by weight, relative to the total weight of the mixture of MELs.
• This mixture of MELs may in particular be obtained according to the fermentation process described above.
• An example of a mixture of MELs and its method of obtaining is also described in the following publication:
• a mixture of MELs comprises MELs of different classes, generally at least MELs-A, B and C.
• this mixture of MELs comprises MELs-A, B, C and D.
• a mixture of MELs advantageously comprises MELs-A and MELs-B at a content of between 50 and 90% by weight, preferably between 60 and 85% by weight, the percentages by weight being indicated relative to the weight the total amount of MELs.
• a mixture of MELs advantageously comprises MELs-C at a content greater than or equal to 5% by weight, preferably greater than or equal to 10% by weight, the percentages by weight being indicated relative to the weight of the total amount. of MELs.
• a mixture of MELs may comprise MELs-A and MELs-B at a content of between 60% and 75% by weight, and MELs-C at a content of greater than or equal to 20% by weight, the percentages by weight being indicated relative to the weight of the total amount of MELs.
• Such mixtures of MELs are for example obtained using a fermentation process such as those described above.
• This mixture of MELs may, for example, be obtained using the fermentation process described above, to which a purification step is added at the end of the recovery step.
• This purification step may comprise a liquid / liquid extraction and / or a passage over a mineral substrate.
• the passage over a mineral substrate may be a chromatography, such as adsorption chromatography on a silica column, carried out using suitable solvents. Such solvents are known to those skilled in the art.
• it may therefore also comprise a mixture of MELs which has the following characteristics:
• an MEL content greater than or equal to 95% by weight, preferably greater than or equal to 98% by weight
• the purification step following the MEL recovery step, can be carried out so as to obtain a class of MELs or even an MEL at a content greater than or equal to 50%.
• this purification step may comprise a liquid / liquid extraction and / or a passage over a mineral substrate (such as a chromatography), as defined above.
• the invention further relates to a method for preparing a concentrate according to the invention, comprising a step of mixing at least one MEL with at least one alkylpolyglucoside and monopropylene glycol.
• the concentrates according to the invention are easily prepared by simply mixing the components.
• the mixing is carried out at room temperature under normal conditions of temperature and pressure (CNTP).
• the components are heated to a temperature between 25 and ⁇ ' ⁇ , more preferably between 30 and 50 ° C, even more preferably between 35 and 45 q C.
• the heating of the components may allow better homogenization of the concentrate according to the invention.
• the process for preparing the concentrate according to the invention comprises obtaining at least one MEL, as described above.
• the MEL (s) are as described above and can be obtained by the fermentation method of MEL (s) described above, optionally followed by a purification step.
• the alkylpolyglucoside (s) and the monopropylene glycol used in the process have the characteristics of these components as described above.
• the invention also relates to a phytosanitary composition comprising a concentrate according to the invention, and a pesticidal active ingredient.
• the pesticidal active ingredient is chosen from the active ingredients herbicides, fungicides, insecticides, acaricides, growth regulators, insect repellents, and / or plant defense stimulators.
• the pesticidal active ingredient is a herbicidal active ingredient, a fungicidal active ingredient, an insecticidal active ingredient and / or an active plant defense stimulating ingredient.
• the phytosanitary composition according to the invention comprises:
• fungicidal active ingredients such as a carboxamide, a strobilurin, an azole (triazole, imidazole), a heterocyclic compound (pyridine, pyrimidine, piperazine, morpholine), a carbamate, an essential oil (cinnamaldehyde, thymol, tea oil ), a microorganism (fungi, yeasts, bacteria) other than that which may be included in the mixture of MELs described above, a polysaccharide (chitosan) and / or one or more herbicidal active ingredients such as an inhibitor of lipid biosynthesis, an acetolactase synthase inhibitor (also known as ALS inhibitor), a photosynthesis inhibitor, an acetamide, an amino acid derivative, an aryloxyphenoxypoprionate, bipyridyl, cyclohexanedione, a dinitroaniline, diphenyl ether, hydroxybenzonitrile, imidazolinone
• insecticidal active ingredients such as an organo (thio) phosphate, a carbamate, a pyrethrinoid, an insect growth regulator, a nicotinic receptor agonist / antagonist, a GABA antagonist, a macrocyclic lactone, geraniol, eugenol, neem oil.
• the pesticidal active ingredient is of natural origin.
• active pesticide ingredients are generally called active bio-pesticides or biocontrol active principles.
• the active ingredient included in the phytosanitary composition according to the invention may have at the same time several of the following properties: herbicide, fungicide, insecticide, acaricide, growth regulator, insect repellent and / or plant defense stimulator.
• the amount of each pesticidal active ingredient is between 0.1 and 30% by weight, preferably between 1 and 20% by weight, more preferably between 5 and 15% by weight, relative to the total weight of the composition. plant.
• the invention further relates to a cosmetic composition
• a cosmetic composition comprising a concentrate according to the invention, and a cosmetic active ingredient.
• the cosmetic solution according to the invention comprises a cosmetic active ingredient chosen from:
• a moisturizing agent such as glycerin, fructose, butylene glycol and / or,
• an organic UV filter such as PABA, PARA, a salicylate, a cinnamate, an anthranilate, benzophenone-3, butyl methoxydibenzoyethane, ethylhexyl triazone, dometrizol trisiloxane, diethylhexylbutamido triazone, 4-methylbenzylidene camphor , bemotrizinol, diethylamino hydroxybenzoyl hexyl benzoate, phenyl salicylate, methylene bis-benzotriazolyl tetramethylbutylphenol, benzophenone-1, benzophenone-2, benzophenone-8, bis-ethylhexyloxyphenol methoxy-phenyl triazine, or a mineral UV filter and / or,
• an organic UV filter such as PABA, PARA, a salicylate, a cinnamate, an anthranilate, benzophenone-3
• an anti-aging agent such as a retinoid, an ⁇ - and ⁇ -hydroxy acid, a water-soluble vitamin, ascorbyl palmitate, a ceramide, a pseudo ceramide, a phospholipid, cholesterol, a sterol and / or,
• an anti-cellulite agent such as isobutylmethylxanthine, theophylline and / or,
• anti-acne agent such as resorcinol, resorcinol acetate, benzoyl peroxide, salicylic acid, azelaic acid and / or,
• a firming agent such as a plant extract (flaxseed extract), rose water and / or,
• vitamin A such as vitamin A, its derivatives, vitamin B2, pantothenic acid, vitamin D, vitamin E.
• the amount of cosmetic active ingredient is between 0.1 and 30% by weight, preferably between 1 and 20% by weight, more preferably between 5 and 15% by weight, relative to the total weight of the cosmetic composition.
• the invention also relates to a method for preparing a phytosanitary composition according to the invention or a cosmetic composition according to the invention, comprising a step of mixing a concentrate according to the invention with an active ingredient.
• the process according to the invention comprises a step of mixing a concentrate according to the invention with a pesticidal active ingredient;
• the process according to the invention comprises a step of mixing a concentrate according to the invention with a cosmetic active ingredient.
• the components used in this process have the preferred characteristics of these components as described above.
• the invention also relates to a solution comprising a concentrate according to the invention, a phytosanitary composition according to the invention, or a cosmetic composition according to the invention, and water.
• solution in particular means an aqueous solution, homogeneous or not.
• a non-homogeneous aqueous solution mention may be made of an emulsion, a dispersion or a suspension.
• the solution according to the invention is a dispersion.
• the water is chosen according to the use envisaged for the solution.
• the water is chosen according to the nature of said composition.
• the water is of the type used in the preparation of phytosanitary solutions, such as drilling water, which may be medium to hard water.
• the medium to hard water has a hardness of between 300 and 600 ppm, preferably between 450 and 550 ppm.
• Such a solution is generally intended to be sprayed, for example by a farmer on crops.
• water is a water generally used in cosmetics, such as distilled water or osmosis water.
• the invention also relates to a process for preparing a solution according to the invention, comprising a step of mixing a concentrate according to the invention, a phytosanitary composition according to the invention, or a cosmetic composition according to the invention. invention, with water.
• solutions according to the invention are also easily prepared by simply mixing the concentrates or compositions according to the invention with water.
• the volume ratio of concentrate or composition according to the invention on water is between 1: 400 and 1: 20, preferably between 1: 300 and 1: 30, more preferably between 1: 250 and 1. 40.
• the invention also relates to the use of a concentrate according to the invention as an adjuvant.
• adjuvant means any substance whose role is to improve the properties of a solution, such as a phytosanitary solution.
• the concentrate according to the invention is used as a wetting agent.
• the concentrate according to the invention can be used as a wetting agent in the preparation of any type of solution in which it is usual to use wetting agents.
• the concentrate according to the invention can be used in cleaning solutions, such as household cleaning solutions.
• the concentrate according to the invention is used as a wetting agent in a phytosanitary solution, such as a pesticide solution.
• the concentrate according to the invention can be used as a wetting agent in a cosmetic solution.
• the concentrate according to the invention can be used in various other applications, such as in fire pumps.
• Figure 1 which shows the contact angle ⁇ formed by the tangent to a drop of liquid 1 at the point of contact with a flat solid surface 2;
• Figure 2 which represents three cases of figures illustrating the concept of wetting, namely the case of a total wetting of a flat solid surface 2 by a drop of liquid 1 ( Figure 2a), the case of a wetting part of a flat solid surface 2 by a drop of liquid 1 ( Figure 2b), the case where a drop of liquid 1 does not wet a flat solid surface 2 ( Figure 2c);
• Figure 3 which is a diagram showing the decrease in the contact angle obtained with a solution comprising the concentrate according to the invention and solutions comprising comparative concentrates.
• the MELs were obtained by a fermentation process comprising the following steps:
• Simulsol® SL1 1 W from Seppic was used.
• Simulsol® SL1 1W is mainly composed (at about 40 to 60% by weight) of alkylpolyglucosides of formula (IV) below:
• OLEON monopropylene glycol sold under the trademark RADIA® 4713 was used.
• an aqueous solution comprising the concentrate according to the invention and aqueous solutions comprising comparative concentrates, were prepared. Contact angle measurements of the aqueous solutions obtained were then carried out.
• KRUSS Drop shape analysis software
• Comparative solution 2 In a glass flask, 0.450% by weight of monopropylene glycol was added to 99.550% by weight of water, the% by weight being indicated relative to the total weight of the solution obtained, then stirred manually until homogenization of the solution.
• a control solution comprising only water was also prepared.
• a solution comprising the concentrate according to the invention that is to say comprising a combination of at least one alkylpolyglucoside, at least one MEL and monopropylene glycol, has a wetting power greater than that of a solution comprising one, or a combination of two of these three components.
• the addition of monopropylene glycol to the mixture of MELs (comparative solution 6), or the addition of monopropylene glycol to Simulsol® SL1 1W (comparative solution 7) has no positive effect on the decrease of the angle of contact, relative to the decreases in contact angle obtained with the mixture of MELs alone (comparative solution 3) or Simulsol SL1 1 W alone (comparative solution 4).
• the combination of monopropylene glycol, the mixture of MELs and Simulsol® SL1 1W results in a decrease in the contact angle greater than those obtained with the mixture of MELs alone (comparative solution 3 ), Simulsol® SL1 1W alone (comparative solution 4), and more particularly with the mixture of MELs associated with Simulsol® SL1 1W (comparative solution 5).
• Example 3 Use of a Concentrate According to the Invention in the Preparation of a Phytosanitary Composition - Preparation of a Solution
• a concentrate according to the invention was prepared and then used in the preparation of a phytosanitary composition.
• EXAMPLE 4 Use of a Concentrate According to the Invention in the Preparation of a Cosmetic Composition - Preparation of a Solution A concentrate according to the invention was prepared and then used in the preparation of a cosmetic composition.
• a cosmetic composition was then prepared by mixing the concentrate according to the invention with an extract of linseeds.
• the cosmetic composition according to the invention obtained is a firming composition for the face, which has the following characteristics:

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• Life Sciences & Earth Sciences (AREA)
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• 2016
  • 2016-03-17 FR FR1652287A patent/FR3048851B1/fr not_active Expired - Fee Related
• 2017
  • 2017-03-17 US US16/085,367 patent/US20190098896A1/en not_active Abandoned
  • 2017-03-17 EP EP17710972.5A patent/EP3429350A1/de not_active Withdrawn
  • 2017-03-17 AU AU2017232393A patent/AU2017232393A1/en not_active Abandoned
  • 2017-03-17 WO PCT/EP2017/056463 patent/WO2017158192A1/fr active Application Filing

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