Patents by Inventor Jamie WALTERS
Jamie WALTERS has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11845053Abstract: 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.Type: GrantFiled: May 15, 2018Date of Patent: December 19, 2023Assignee: CALYXIAInventors: Damien Demoulin, Todor Khristov, Jamie Walters, Alicia Sadaoui
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Patent number: 11540979Abstract: The present invention relates to a method for preparing solid microcapsules that comprises of the following steps: a) the preparation of a composition C1, comprising at least one water-soluble or hydrophilic substance dispersed in a hydrophobic phase; b) the addition, under stirring, 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; c) the addition, under stirring, 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; d) the application of a shear to the emulsion (E2), whereby a double emulsion (E3) is obtained; and e) the polymerisation of the composition C2, whereby solid microcapsules dispersed in the composition C3 are obtained.Type: GrantFiled: March 21, 2018Date of Patent: January 3, 2023Assignee: CAPSUMInventors: Damien Demoulin, Ludivine Mousnier, Jamie Walters
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Patent number: 11338265Abstract: 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.Type: GrantFiled: December 1, 2017Date of Patent: May 24, 2022Assignee: CALYXIAInventors: Jamie Walters, Damien Demoulin
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Publication number: 20220119738Abstract: 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.Type: ApplicationFiled: January 22, 2020Publication date: April 21, 2022Applicant: CALYXIAInventors: Damien DEMOULIN, Dounia ARCENS, Jamie WALTERS
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Publication number: 20220106540Abstract: 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.Type: ApplicationFiled: January 22, 2020Publication date: April 7, 2022Applicant: CALYXIAInventors: Damien DEMOULIN, Dounia ARCENS, Jamie WALTERS, Franco MANFRE
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Patent number: 11273526Abstract: Systems and methods for application of stress corrosion cracking resistant cold spray coatings include a method of forming a partial coating on a canister having a perimeter wall with a surface. The method may include identifying a compromised region on the surface of the wall of the canister, and impacting a substantially linear flow of particles of a powder against an area in the compromised region of the surface in a manner effective to cause the particles of the powder to bond to the surface of the wall to produce a coating on the area of the compromised region. The method may also include moving the substantially linear flow in a direction substantially parallel to the surface of the wall to cause the particles to impact an additional area of the compromised region to cause the particles to bond to the surface of the additional area.Type: GrantFiled: July 25, 2019Date of Patent: March 15, 2022Inventors: Kyle William Johnson, Jamie Walter Beard, Bhaarat Kumar Jasthi
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Patent number: 11234911Abstract: The present invention relates to a process 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 with stirring of the composition C1 in a polymeric composition C2 at a temperature Tb, whereby an emulsion (E1) is obtained; c) addition, with 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) polymerization of the composition C2, whereby solid microcapsules dispersed in the composition C3 are obtained.Type: GrantFiled: March 21, 2018Date of Patent: February 1, 2022Assignee: CAPSUMInventors: Damien Demoulin, Ludivine Mousnier, Jamie Walters
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Patent number: 11071962Abstract: 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.Type: GrantFiled: March 20, 2018Date of Patent: July 27, 2021Assignee: CALYXIAInventors: Damien Demoulin, Ludivine Mousnier, Alicia Sadaoui, Jamie Walters
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Patent number: 11033872Abstract: 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.Type: GrantFiled: March 21, 2018Date of Patent: June 15, 2021Assignee: CALYXIAInventors: Damien Demoulin, Alicia Sadaoui, Jamie Walters
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Publication number: 20210113984Abstract: 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.Type: ApplicationFiled: March 21, 2018Publication date: April 22, 2021Applicant: CALYXIAInventors: Damien DEMOULIN, Ludivine MOUSNIER, Karima OUHENIA, Jamie WALTERS
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Patent number: 10850247Abstract: 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.Type: GrantFiled: November 27, 2019Date of Patent: December 1, 2020Assignee: CALYXIAInventors: Jamie Walters, Damien Demoulin
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Patent number: 10807060Abstract: 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.Type: GrantFiled: September 16, 2016Date of Patent: October 20, 2020Assignee: CALYXIAInventors: Jamie Walters, Damien Demoulin, Jérôme Bibette
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Publication number: 20200290006Abstract: 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.Type: ApplicationFiled: October 16, 2018Publication date: September 17, 2020Applicant: CALYXIAInventors: Damien DEMOULIN, Jamie WALTERS, Karima OUHENIA
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Publication number: 20200246226Abstract: The present invention relates to a method for preparing solid microcapsules that comprises of the following steps: a) the preparation of a composition C1, comprising at least one water-soluble or hydrophilic substance dispersed in a hydrophobic phase; b) the addition, under stirring, 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; c) the addition, under stirring, 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; d) the application of a shear to the emulsion (E2), whereby a double emulsion (E3) is obtained; and e) the polymerisation of the composition C2, whereby solid microcapsules dispersed in the composition C3 are obtained.Type: ApplicationFiled: March 21, 2018Publication date: August 6, 2020Inventors: Damien Demoulin, Ludivine Mousnier, Jamie Walters
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Publication number: 20200164332Abstract: 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.Type: ApplicationFiled: May 15, 2018Publication date: May 28, 2020Applicant: CALYXIAInventors: Damien DEMOULIN, Todor KHRISTOV, Jamie WALTERS, Alicia SADAOUI
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Publication number: 20200129948Abstract: 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.Type: ApplicationFiled: March 21, 2018Publication date: April 30, 2020Applicant: CALYXIAInventors: Damien DEMOULIN, Alicia SADAOUI, Jamie WALTERS
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Publication number: 20200094214Abstract: 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.Type: ApplicationFiled: November 27, 2019Publication date: March 26, 2020Inventors: Jamie WALTERS, Damien DEMOULIN
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Publication number: 20200047144Abstract: 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.Type: ApplicationFiled: March 20, 2018Publication date: February 13, 2020Applicant: CALYXIAInventors: Damien DEMOULIN, Ludivine MOUSNIER, Alicia SADAOUI, Jamie WALTERS
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Publication number: 20200038297Abstract: The present invention relates to a process 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 with stirring of the composition C1 in a polymeric composition C2 at a temperature Tb, whereby an emulsion (E1) is obtained; c) addition, with 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) polymerization of the composition C2, whereby solid microcapsules dispersed in the composition C3 are obtained.Type: ApplicationFiled: March 21, 2018Publication date: February 6, 2020Inventors: Damien Demoulin, Ludivine Mousnier, Jamie Walters
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Publication number: 20190388861Abstract: A method for preparing solid microcapsules by adding, with stirring, a composition C1, having at least one active ingredient, in a photocrosslinkable polymeric composition C2, to obtain an emulsion (E1), adding, with stirring of the emulsion (E1) in a composition C3, the viscosity of the composition C3 being greater than 2000 mPa·s at 25° C., to obtain a double emulsion (E2), applying shear to the emulsion (E2), the applied shear rate being less than 1000 s?1, to obtain a double emulsion (E3), and polymerizing by photopolymerization of the composition C2.Type: ApplicationFiled: December 1, 2017Publication date: December 26, 2019Inventors: Jamie WALTERS, Damien DEMOULIN