Abstract: This method includes the provision of a first fluid (36) including the first phase and a first precursor polymer of the coacervate contained in the first phase, and the formation of drops of the first fluid (36) in a second fluid (40) intended to form the second phase (16). It includes the steps of introducing a second precursor polymer of the coacervate into the second fluid (40) and, during the formation of each drop (12), or once each drop (12) has been formed, for generating the coacervate layer by interaction between the first precursor polymer and the second precursor polymer at the interface between the first phase (14) and the second phase (16).

Abstract: A dispersion containing a dispersed phase comprising drops and a continuous aqueous phase, preferably in the form of a gel, in which the drops comprise a fatty phase containing at least one gelling agent and a shell, wherein the shell comprises at least one anionic polymer and at least one cationic polymer.

Abstract: This device comprises: a container defining an inner volume intended to contain the product closed off by a movable bottom and opening out through a dispensing neck; a dispensing member; a purge ring comprising a base that delimits a central orifice defining a central axis of the ring, the base having an outer contour and a side surface converging from the outer contour toward a second end of the central orifice. The device is characterized in that the purge ring comprises at least one radial opening arranged radially relative to the central axis and allowing the passage of the product from the container toward the central orifice.

Abstract: An emulsion comprising a continuous aqueous phase and a dispersed fatty phase in the form of drops, or conversely, wherein the drops comprise a shell formed of at least one anionic polymer comprising at least one carboxylic acid function and at least one cationic polymer comprising at least two amine functional groups, wherein the quantity of amine functional groups provided by the cationic polymer in the fatty phase is between 0.2 ?mol and 10.5 ?mol per gram of fatty phase.

Abstract: The present invention relates to a therapeutic agent formulation in the form of a nano-emulsion, comprising a continuous aqueous phase and at least one dispersed oily phase, in which the oily phase comprises further to the therapeutic agent, at least one amphiphilic lipid and at least one solubilizing lipid, and in which the aqueous phase comprises at least one polyalkoxylated cosurfactant. The invention also relates to a preparation method and use of this formulation.

Abstract: This device comprises a hollow body, the hollow body defining: an internal conduit for distributing the first fluid, the internal conduit defining an inner volume; an external conduit or distributing the second fluid, the internal conduit and the external conduit extending coaxially along a longitudinal axis (AA?). It at least comprises one metal tube extending along the longitudinal axis (AA?) and being positioned in the inner volume of the internal conduit and/or in the downstream extension of the internal conduit and/or of the external conduit.

Abstract: This method comprises the following steps: flowing drops of a first phase, through a circulation duct, into a second phase that is substantially immiscible with the first phase, each drop comprising a core formed from the first phase and a shell formed from a layer of coacervate inserted between the first phase and the second phase; recovering a dispersion containing drops and the second phase in a container; injecting a solution for increasing the viscosity of the second phase in the circulation duct or at the outlet of the circulation duct, upstream from the container.

Abstract: The present invention relates to the use of at least one cross-linked polymer or a cross-linked copolymer, the polymer or copolymer comprising at least one unit derived from the polymerization of one of the monomers selected from the group consisting of acrylic acid, methacrylic acid, alkyl acrylate comprising from 1 to 30 carbon atoms and salts thereof, for stabilizing at least one perfuming agent in a composition comprising at least 3% by weight of perfuming agent(s), the perfuming agent being in the form of dispersed drops in an aqueous gel, the aqueous gel comprising water, a buffer having a pKa comprised from 4.0 to 9.0 and a base, and the size of the perfuming agent drops ranging from 0.2 ?m to 5,000 ?m.

Abstract: The present invention relates to a method for preparing capsules comprising a liquid core, a stiffened intermediate envelope and a gelled external envelope, comprising a step of forming a multi-component liquid drop, a gelification step and a stiffening step. The present invention also relates to a method for preparing capsules comprising a liquid core and a stiffened envelope, comprising a step of forming a multi-component liquid drop, a gelification step, a stiffening step and a depolymerizing step.

Abstract: A composition includes: an aqueous composition (A) including a buffer having a pKa between 4.0 and 8.0 and having no more than one carboxylic acid function; and at least one capsule including a core and a gelled shell including a polyelectrolyte in the gelled state chelated by divalent cations, the shell fully encapsulating the core on the periphery thereof, the capsule being free of eukaryote cells.

Abstract: The device (110) for dispensing a fluid composition includes: a container (30) containing a heterogeneous mixture (14); a member (34) for dispensing the fluid composition; a delivery element (32) including: a fluid guide conduit (42) defining an axis (A-A?) for the flow of fluid through a central passage (50); a filtration member (44) configured so that the heterogeneous mixture (14) inserted into the guide conduit (42) passes through the filtration member (44); the filtration member (44) including at least one openwork filtration wall (56) delimiting a plurality of filtration openings (58); the heterogeneous mixture (14) including particles (20) in suspension, the filtration openings (58) having a transverse expanse smaller than the mean diameter of the particles (20) in suspension; and the particles (20) in suspension being formed by beads.

Abstract: This method comprises the following steps: flowing drops of a first phase, through a circulation duct, into a second phase that is substantially immiscible with the first phase, each drop comprising a core formed from the first phase and a shell formed from a layer of coacervate inserted between the first phase and the second phase; recovering a dispersion containing drops and the second phase in a container; injecting a solution for increasing the viscosity of the second phase in the circulation duct or at the outlet of the circulation duct, upstream from the container.

Abstract: This device comprises a hollow body, the hollow body defining: an internal conduit for distributing the first fluid, the internal conduit defining an inner volume; an external conduit or distributing the second fluid, the internal conduit and the external conduit extending coaxially along a longitudinal axis (AA?). It at least comprises one metal tube extending along the longitudinal axis (AA?) and being positioned in the inner volume of the internal conduit and/or in the downstream extension of the internal conduit and/or of the external conduit.

Abstract: Dispersions of an encapsulated material by a polymeric membrane in a medium are disclosed. Such dispersions are useful in topical compositions including cosmetics and sunscreens.

Abstract: The present invention relates to a formulation of indocyanine green in the form of a nanoemulsion, comprising a continuous aqueous phase and at least one dispersed oily phase, in which the oily phase comprises indocyanine green, at least one amphiphilic lipid and at least one solubilizing lipid. It relates also to a process for the preparation and to the use of the formulation.

Abstract: A nanocrystal formulation in the form of a nano-emulsion includes a continuous aqueous phase and at least one dispersed oily phase, in which the oily phase has at least one amphiphilic lipid and at least one solubilising lipid, and in which the aqueous phase has a cosurfactant. The invention also relates to a method for the production of the formulation as well as uses within the fields of medical imaging, thermotherapy or phototherapy.

Abstract: Dispersions of an encapsulated material by a polymeric membrane in a medium are disclosed. Such dispersions are useful in topical compositions including cosmetics and sunscreens.

Abstract: The device (110) for dispensing a fluid composition includes: a container (30) containing a heterogeneous mixture (14); a member (34) for dispensing the fluid composition; a delivery element (32) including: a fluid guide conduit (42) defining an axis (A-A?) for the flow of fluid through a central passage (50); a filtration member (44) configured so that the heterogeneous mixture (14) inserted into the guide conduit (42) passes through the filtration member (44); the filtration member (44) including at least one openwork filtration wall (56) delimiting a plurality of filtration openings (58); the heterogeneous mixture (14) including particles (20) in suspension, the filtration openings (58) having a transverse expanse smaller than the mean diameter of the particles (20) in suspension; and the particles (20) in suspension being formed by beads.

Abstract: The invention relates to a fluorescent emulsion, to a diagnostic reagent containing the same, and to the use thereof in the preparation of a diagnostic reagent for in vivo fluorescence imaging.

Abstract: This invention concerns a nanoparticle comprising: a core consisting of a lipid phase (L1) or an aqueous phase (A1); at least one surfactant comprising a hydrophilic part and a lipophilic part; an internal membrane surrounding the core; an external membrane surrounding the internal membrane; and at least one targeting ligand comprising a lipophilic part and a hydrophilic part.