Abstract: The present invention relates to a method for preparing solid microcapsules comprising the following steps: a) preparation of a composition C1, which is either a composition C1a, comprising a single hydrophobic solid particle, or a composition C1b comprising a plurality of hydrophobic solid particles dispersed in a hydrophilic phase, b) addition under stirring of the composition C1 in a polymeric composition C2 at a temperature Tb, whereby an emulsion (E1) is obtained; c) addition, under stirring, of the emulsion (E1) in a composition C3 at a temperature Tc, whereby a double emulsion (E2) is obtained; d) applying a shear to the emulsion (E2), whereby a double emulsion (E3) is obtained; and e) the polymerization of the composition C2, whereby solid microcapsules dispersed in the composition C3 are obtained.

Abstract: An emulsion including size-controlled droplets dispersed in a viscoelastic continuous phase including a polymer in solution in a solvent, wherein the viscoelastic continuous phase presents a ratio between the viscous modulus (G?) and the elastic modulus (G?) ranging from 0.2 to 10 and wherein the mean diameter of the droplets is proportional to the G?/G? ratio with 1.5 as exponent. Also, a process for the fabrication of size-controlled droplets in a viscoelastic continuous phase of an emulsion, and the use of the emulsion in applications requiring size-controlled droplets.

Abstract: The present invention relates to a method for preparing solid microcapsules, comprising the following steps a) adding, with stirring, a composition C1 to a polymeric composition C2 comprising at least one aliphatic or aromatic ester or polyester, additionally bearing at least one function selected from the group consisting of acrylate, methacrylate, vinyl ether, N-vinyl ether, epoxy, siloxane, amine, lactone, phosphate and carboxylate functions and mixtures thereof, whereby an emulsion (E1) is obtained comprising droplets of composition C1 dispersed in a composition C2; b) adding, with stirring, the emulsion (E1) to a composition C3 whereby a double emulsion (E2) is obtained comprising droplets dispersed in the composition C3; c) applying shear to the emulsion (E2) whereby a double emulsion (E3) is obtained comprising droplets of controlled size dispersed in the composition C3; and d) polymerizing the composition C2, whereby solid microcapsules dispersed in the composition C3 are obtained.

Abstract: The present invention relates to a method for preparing solid capsules comprising a compound A, dispersed in a composition C4. The invention also relates to an encapsulation method, to the capsules obtained by this method, to a composition comprising them, as well as to a method using such capsules.

Abstract: The present invention relates to a method for the preparation of microparticles and solid microcapsules comprising the following steps: a) the addition, with stirring, of composition C?2 in a composition C3, the compositions C?2 and C3 not being miscible with each other, the composition C?2 being either a monophasic composition C2 or an emulsion (E1) comprising drops of a composition C1, comprising at least one active ingredient, dispersed in a polymeric composition C2, the compositions C1 and C2 not being miscible in each other, the viscosity of composition C3 being greater than 10,000 mPa·s at 25° C. at a shear rate of s?1 and being less than 10,000 mPa·s at 25° C. at a shear rate of between 100 s?1 and 100,000 s?1, wherein an emulsion (E2) is obtained b) applying shear to the emulsion (E2), the applied shear rate being less than 1000 s?1, wherein an emulsion (E3) is obtained; and c) the polymerization of the composition C?2.

Abstract: A composition having at least one composition for washing and/or care of fabrics, and at least one solid microcapsule having a mean diameter between 1 ?m and 30 ?m, with a core consisting of a composition C1 comprising at least one perfuming agent, and a solid crosslinked-polymer envelope totally encapsulating the core at its circumference, wherein the solid envelope comprises a crosslinked polymer obtained by polymerizing at least one monomer or polymer having at least one reactive moiety selected from the group consisting of acrylate, methacrylate, vinyl ether, N-vinyl ether, vinyl ester, thiolene, maleate, epoxy, siloxane, amine, lactone, phosphate, and carboxylate moieties, and wherein the thickness of the solid envelope is between 0.1 ?m and 20 ?m.

Abstract: The present invention relates to a composition comprising at least one composition for home care, and at least one solid microcapsule having an average diameter of between 1 ?m and 30 ?m, comprising a core consisting of a composition C1 comprising at least one perfuming agent, and a solid shell of crosslinked polymer totally encapsulating the core at its periphery, said solid shell comprising a crosslinked polymer obtained by polymerization of at least one monomer or polymer bearing at least one reactive function selected from the group consisting of acrylate, methacrylate, vinyl ether, N-vinyl ether, vinyl ester, thiolene, maleate, epoxy, siloxane, amine, lactone, phosphate and carboxylate functions, and wherein the thickness of the soli shell is between 0.1 ?m and 20 ?m.

Abstract: The present invention relates to a method for preparing solid microcapsules that comprises of the following steps of preparing a composition C1, comprising at least one water-soluble or hydrophilic substance dispersed in a hydrophobic phase; adding, under agitation, of the said composition C1 in a polymeric composition C2, the compositions C1 and C2 being immiscible with each other, whereby an emulsion (E1) is obtained; adding, under agitation, of the emulsion (E1) in a composition C3, the compositions C2 and C3 being immiscible with each other, whereby a double emulsion (E2) is obtained; shearing the emulsion (E2), whereby a double emulsion (E3) is obtained; and polymerizing the composition C2, wherein solid microcapsules dispersed in the composition C3 are obtained.

Abstract: The present invention relates to a capsule preparation method for preparing solid microcapsules, comprising the following steps: a) addition, under agitation, a composition C1, comprising at least one active ingredient, to a polymeric composition C2, the compositions C1 and C2 being mutually immiscible, whereby an emulsion (E1) is obtained comprising droplets of the composition C1 dispersed in the composition C2; b) addition, under agitation, the emulsion (E1) to a composition C3, the compositions C2 and C3 being mutually immiscible, whereby a double emulsion (E2) is obtained comprising droplets dispersed in the composition C3; c) applying shear to the emulsion (E2), whereby a double emulsion (E3) is obtained comprising size controlled droplets dispersed in the composition C3; and d) polymerising the composition C2, whereby solid microcapsules dispersed in the composition C3 are obtained.

Abstract: The present invention relates to a method for preparing solid microcapsules comprising the following steps: a) preparation of a composition C1, which is either a composition C1a, comprising a single hydrophobic solid particle, or a composition C1b comprising a plurality of hydrophobic solid particles dispersed in a hydrophilic phase, b) addition under stirring of the composition C1 in a polymeric composition C2 at a temperature Tb, whereby an emulsion (E1) is obtained; c) addition, under stirring, of the emulsion (E1) in a composition C3 at a temperature Tc, whereby a double emulsion (E2) is obtained; d) applying a shear to the emulsion (E2), whereby a double emulsion (E3) is obtained; and e) the polymerization of the composition C2, whereby solid microcapsules dispersed in the composition C3 are obtained.

Abstract: Solid microcapsules are prepared by adding, with stirring, a composition having at least one active ingredient to a photocrosslinkable polymeric composition to obtain an emulsion, and adding the emulsion, with stirring, to a viscous composition. The viscosity of the viscous composition is greater than 2000 mPa·s at 25° C. A double emulsion is obtained, to which shear is applied at a rate less than 1000 s?1, to obtain a sheared emulsion. Polymerization of the sheared emulsion is accomplished by photopolymerization.

Abstract: A method for preparing solid microcapsules, comprising the steps of adding under agitation a composition C1 comprising at least one active material to a cross-linkable liquid composition C2, the active material is not an additive to be used in the lubricant, fuel or bitumen industries, drilling sludges or muds, or oil exploration/production, compositions C1 and C2 being immiscible with each other. A first emulsion is obtained comprising droplets of composition C1 dispersed in composition C2, adding under agitation the first emulsion to a liquid composition C3, composition C3 and composition C2 being immiscible with each other, to obtain a second emulsion comprising droplets dispersed in composition C3.

Abstract: The present invention relates to a method for preparing solid capsules comprising a compound A, dispersed in a composition C4.

Abstract: The present invention relates to a method for preparing solid microcapsules, comprising the following steps, the addition, with stirring, of a composition C1, comprising at least one active ingredient, in a polymeric composition C2, the compositions C1 and C2 not being miscible with each other, wherein an emulsion (E1) is obtained comprising drops of composition C1 dispersed in composition C2. The addition, with stirring, of the emulsion (E1) in a composition C3, the compositions C2 and C3 not being miscible with each other, wherein a double emulsion (E2) is obtained comprising drops dispersed in composition C3. Applying shear to the emulsion (E2), wherein a double emulsion (E3) is obtained comprising drops of controlled size dispersed in composition C3; and polymerization of composition C2, wherein solid microcapsules are obtained dispersed in composition C3.

Abstract: The present invention relates to a method for preparing solid microcapsules, comprising the following steps a) adding, with stirring, a composition C1 to a polymeric composition C2 comprising at least one aliphatic or aromatic ester or polyester, additionally bearing at least one function selected from the group consisting of acrylate, methacrylate, vinyl ether, N-vinyl ether, epoxy, siloxane, amine, lactone, phosphate and carboxylate functions and mixtures thereof, whereby an emulsion (E1) is obtained comprising droplets of composition C1 dispersed in a composition C2; b) adding, with stirring, the emulsion (E1) to a composition C3 whereby a double emulsion (E2) is obtained comprising droplets dispersed in the composition C3; c) applying shear to the emulsion (E2) whereby a double emulsion (E3) is obtained comprising droplets of controlled size dispersed in the composition C3; and d) polymerizing the composition C2, whereby solid microcapsules dispersed in the composition C3 are obtained.

Abstract: The present invention relates to a capsule preparation method for preparing solid microcapsules, comprising the following steps: a) addition, under agitation, a composition C1, comprising at least one active ingredient, to a polymeric composition C2, the compositions C1 and C2 being mutually immiscible, whereby an emulsion (E1) is obtained comprising droplets of the composition C1 dispersed in the composition C2; b) addition, under agitation, the emulsion (E1) to a composition C3, the compositions C2 and C3 being mutually immiscible, whereby a double emulsion (E2) is obtained comprising droplets dispersed in the composition C3; c) applying shear to the emulsion (E2), whereby a double emulsion (E3) is obtained comprising size controlled droplets dispersed in the composition C3; and d) polymerising the composition C2, whereby solid microcapsules dispersed in the composition C3 are obtained.

Abstract: The present invention relates to a method for preparing solid microcapsules that comprises of the following steps of preparing a composition C1, comprising at least one water-soluble or hydrophilic substance dispersed in a hydrophobic phase; adding, under agitation, of the said composition C1 in a polymeric composition C2, the compositions C1 and C2 being immiscible with each other, whereby an emulsion (E1) is obtained; adding, under agitation, of the emulsion (E1) in a composition C3, the compositions C2 and C3 being immiscible with each other, whereby a double emulsion (E2) is obtained; shearing the emulsion (E2), whereby a double emulsion (E3) is obtained; and polymerizing the composition C2, wherein solid microcapsules dispersed in the composition C3 are obtained.

Abstract: A method for preparing solid microcapsules, comprising the steps of adding under agitation a composition C1 comprising at least one active material to a cross-linkable liquid composition C2, the active material is not an additive to be used in the lubricant, fuel or bitumen industries, drilling sludges or muds, or oil exploration/production, compositions C1 and C2 being immiscible with each other. A first emulsion is obtained comprising droplets of composition C1 dispersed in composition C2, adding under agitation the first emulsion to a liquid composition C3, composition C3 and composition C2 being immiscible with each other, to obtain a second emulsion comprising droplets dispersed in composition C3.

Abstract: The present invention relates to a method for preparing solid capsules comprising a compound A, dispersed in a composition C4.