Patents by Inventor Emmanuel Aussant
Emmanuel Aussant 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).
-
Publication number: 20230340374Abstract: The present invention relates to a process for obtaining an encapsulated composition, to an encapsulated composition obtainable by this process, to products comprising these encapsulated compositions and to a use of these encapsulated compositions for obtaining a consumer product.Type: ApplicationFiled: April 16, 2021Publication date: October 26, 2023Inventors: Benoit RIFLADE, Emmanuel AUSSANT
-
Publication number: 20230166230Abstract: The present invention relates to a process for obtaining an encapsulated composition, to encapsulated compositions obtainable by this process, to products comprising these encapsulated compositions and to the use of these encapsulated compositions to provide consumer products.Type: ApplicationFiled: May 25, 2021Publication date: June 1, 2023Inventor: Emmanuel AUSSANT
-
Publication number: 20230084046Abstract: The present invention relates to a consumer product comprising a plurality of microcapsules, to a method for obtaining a consumer product and to a use of a plurality of microcapsules in a such a consumer product.Type: ApplicationFiled: March 15, 2021Publication date: March 16, 2023Inventor: Emmanuel AUSSANT
-
Publication number: 20220306970Abstract: Described are encapsulated compositions comprising at least one core-shell microcapsule. The at least one core-shell microcapsule comprises a core comprising at least one benefit agent and a shell surrounding the core. The shell comprises a polyurea resin formed by reaction of at least one trifunctional isocyanate with at least one polyfunctional amine not being chitosan. The at least one trifunctional isocyanate is an adduct of an aliphatic triol with at least one araliphatic diisocyanate. The weight ratio between moieties of the polyurea resin, which are derived from the trifunctional isocyanate, and the core is between 0.09 and 0.30, preferably between 0.10 and 0.20, more preferably between 0.11 and 0.18. The shell additionally comprises chitosan. The present disclosure also relates to a method for preparing such encapsulated compositions and to their use to enhance the performance of a benefit agent in a consumer product.Type: ApplicationFiled: August 21, 2020Publication date: September 29, 2022Inventors: Emmanuel AUSSANT, Nawal BENAROUS, Sandra GUINE-BRETIERE, Eduard Karel POELS
-
Patent number: 11382845Abstract: Core-shell microcapsules comprising a hydrophobic core surrounded by a shell comprising a thermosetting resin comprising moieties derived from polyisocyanates, substantially unprotonated chitosan and another amine different from chitosan, characterized in that the substantially unprotonated chitosan is delivered in the solid, powder form to the locus of the encapsulation reaction. The core-shell microcapsules are provided in the form of a slurry comprising 10 to 50 wt % of microcapsules, based on the total weight of the slurry, and the shell of the microcapsules comprises from 0.1 to 20 wt % of moieties derived from chitosan, based on the total weight of the shell.Type: GrantFiled: September 25, 2018Date of Patent: July 12, 2022Assignee: GIVAUDAN SAInventors: Nelly Bulgarelli, Ian Michael Harrison, Emmanuel Aussant
-
Patent number: 11351096Abstract: Disclosed is a process for preparing an encapsulated fragrance composition. The composition comprises a plurality of microcapsules dispersed in a dispersion medium. The microcapsules comprise a core and a shell around the core. The process comprises the consecutive steps of: a) Providing an aqueous phase (I) comprising at least one anionically modified polyisocyanate (A); b) Providing an organic phase (II) comprising at least one fragrance ingredient; c) Mixing the aqueous phase (I) and the an organic phase (II) to obtain a mixture; d) Forming an emulsion comprising droplets of the organic phase (II) in the continuous aqueous phase (I); e) Adding at least one polyfunctional amine; f) Effecting formation of shells around the droplets formed in step d), to obtain a dispersion of microcapsules. The process comprises the additional step of adding a polyisocyanate (B), which is different from polyisocyanate (A).Type: GrantFiled: March 6, 2019Date of Patent: June 7, 2022Assignee: GIVAUDAN SAInventors: Sarah El-Habnouni, Emmanuel Aussant, Vladica Bocokic, Sandra Guinebretiere, Florent Robert
-
Patent number: 11060050Abstract: The invention relates to stable dispersion of negatively-charged aminoplast microcapsules in non-suspending detergent compositions containing an anionic surfactant. The microcapsules are stably dispersed by means of a cationic polyampholyte, which is embedded in the shells of said microcapsules.Type: GrantFiled: April 17, 2018Date of Patent: July 13, 2021Assignee: GIVAUDAN SAInventors: Emmanuel Aussant, Sandra Guinebretiere
-
Publication number: 20210030639Abstract: Disclosed is a process for preparing an encapsulated fragrance composition. The composition comprises a plurality of microcapsules dispersed in a dispersion medium. The microcapsules comprise a core and a shell around the core. The process comprises the consecutive steps of: a) Providing an aqueous phase (I) comprising at least one anionically modified polyisocyanate (A); b) Providing an organic phase (II) comprising at least one fragrance ingredient; c) Mixing the aqueous phase (I) and the an organic phase (II) to obtain a mixture; d) Forming an emulsion comprising droplets of the organic phase (II) in the continuous aqueous phase (I); e) Adding at least one polyfunctional amine; f) Effecting formation of shells around the droplets formed in step d), to obtain a dispersion of microcapsules. The process comprises the additional step of adding a polyisocyanate (B), which is different from polyisocyanate (A).Type: ApplicationFiled: March 6, 2019Publication date: February 4, 2021Inventors: Sarah EL-HABNOUNI, Emmanuel AUSSANT, Vladica BOCOKIC, Sandra GUINEBRETIERE, Florent ROBERT
-
Publication number: 20200360243Abstract: Core-shell microcapsules comprising a hydrophobic core surrounded by a shell comprising a thermosetting resin comprising moieties derived from polyisocyanates, substantially unprotonated chitosan and another amine different from chitosan, characterized in that the substantially unprotonated chitosan is delivered in the solid, powder form to the locus of the encapsulation reaction. The core-shell microcapsules are provided in the form of a slurry comprising 10 to 50 wt % of microcapsules, based on the total weight of the slurry, and the shell of the microcapsules comprises from 0.1 to 20 wt % of moieties derived from chitosan, based on the total weight of the shell.Type: ApplicationFiled: September 25, 2018Publication date: November 19, 2020Inventors: Nelly BULGARELLI, Ian Michael Harrison, Emmanuel AUSSANT
-
Patent number: 10808208Abstract: The invention relates to an encapsulated fragrance composition including at least one microcapsule dispersed in a dispersion medium, said at least one microcapsule including a fragrance oil core and a positively charged shell, which includes a reaction product of at least one at least difunctional anionically modified isocyanate with an amine or alcohol, preferably a polyamine, and wherein the shell is formed around droplet of core material that is stabilized with a positively charged colloidal stabilizer. Furthermore, the invention relates to a process of formation of said encapsulated fragrance compositions.Type: GrantFiled: September 19, 2017Date of Patent: October 20, 2020Assignee: Givaudan SAInventors: Emmanuel Aussant, Ian Michael Harrison, Sandra Guinebretiere, Frederic Blondel, Guillaume Jeanson
-
Patent number: 10758885Abstract: The invention relates to the use of an ampholyte copolymer as a colloidal stabilizer in the preparation of core-shell microcapsules containing a fragrance, wherein the ampholyte copolymer comprises: 2 to 99 mol % of cationic monomer having at least one quaternary ammonium group, 1 to 98 mol % of acrylic based monomer, 0 to 97 mol % of non-ionic monomer, and wherein the ampholyte copolymer has more cationic charges than anionic charges, wherein the cationic charges of the ampholyte copolymer are exclusively due to the at least one quaternary ammonium group of the cationic monomer.Type: GrantFiled: September 18, 2017Date of Patent: September 1, 2020Assignee: S.P.C.M. SAInventors: Frédéric Blondel, Emmanuel Aussant, Sandra Guinebretiere, Ian Michael Harrison, Guillaume Jeanson
-
Patent number: 10722857Abstract: An encapsulated perfume composition comprising at least one perfume-containing aminoplast core-shell microcapsule dispersed in an aqueous suspending medium, the microcapsule being characterized in that it bears a positive charge.Type: GrantFiled: June 22, 2016Date of Patent: July 28, 2020Assignee: GIVAUDAN S.A.Inventors: Ian Michael Harrison, Emmanuel Aussant, Frederic Blondel, Guillaume Jeanson
-
Publication number: 20200190441Abstract: The invention relates to stable dispersion of negatively-charged aminoplast microcapsules in non-suspending detergent compositions containing an anionic surfactant. The microcapsules are stably dispersed by means of a cationic polyampholyte, which is embedded in the shells of said microcapsules.Type: ApplicationFiled: April 17, 2018Publication date: June 18, 2020Inventors: Emmanuel AUSSANT, Sandra GUINEBRETIERE
-
Patent number: 10537868Abstract: Encapsulated perfume composition comprising at least one aminoplast core-shell microcapsule dispersed in a suspending medium, the microcapsule comprising a perfume-containing core encapsulated in a shell, said shell comprising a network of cross-linked aminoplast resin, wherein 75-100% of the resin comprises 50-90%, preferably from 60-85%, of a terpolymer and from 10-50%, preferably from 10-25%, of a polymeric stabilizer; the terpolymer comprising: (a) from 20-35 wt %, preferably 22-30% by weight of moieties derived from at least one triamine, (b) from 30-60 wt %, preferably 40-55% by weight of moieties derived from at least one diamine, (c) from 20-35 wt %, preferably 22-30% by weight of moieties derived from the group consisting of alkylene and alkylenoxy moieties having 1 to 6 methylene units, preferably 1 to 4 methylene units and most preferably 1 methylene unit.Type: GrantFiled: July 1, 2016Date of Patent: January 21, 2020Assignee: Givaudan S.A.Inventors: Emmanuel Aussant, Ian Michael Harrison
-
Patent number: 10406498Abstract: The invention relates to the use of an ampholyte copolymer as a colloidal stabilizer in the preparation of aminoplast core-shell microcapsules containing an active material, wherein the ampholyte copolymer comprises: 2 to 99 mol % of cationic monomer having at least one quaternary ammonium group, 1 to 98 mol % of acrylic based monomer, 0 to 97 mol % of non-ionic monomer, and wherein the ampholyte copolymer has more cationic charges than anionic charges, wherein the cationic charges of the ampholyte copolymer are exclusively due to the at least one quaternary ammonium group of the cationic monomer.Type: GrantFiled: June 22, 2016Date of Patent: September 10, 2019Assignee: S.P.C.M. SAInventors: Frédéric Blondel, Guillaume Jeanson, Ian Harrison, Emmanuel Aussant
-
Patent number: 10398632Abstract: An encapsulated perfume composition for use in personal care products adapted to be applied to, and left on, the skin or hair of a human or animal subject, said encapsulated perfume composition comprising one or more polyurea capsules having a volume average diameter of 20 to 90 microns, and a capsule shell weight, which is 5 to 40% based on the total weight of the capsules.Type: GrantFiled: October 27, 2015Date of Patent: September 3, 2019Assignee: GIVAUDAN S.A.Inventors: Emmanuel Aussant, Addi Fadel, Ian Michael Harrison, Christian Quellet, Ewelina Burakowska-Meise, Wolfgang Denuell, Thomas Soltys
-
Publication number: 20190255501Abstract: The invention relates to the use of an ampholyte copolymer as a colloidal stabilizer in the preparation of core-shell microcapsules containing a fragrance, wherein the ampholyte copolymer comprises: 2 to 99 mol % of cationic monomer having at least one quaternary ammonium group, 1 to 98 mol % of acrylic based monomer, 0 to 97 mol % of non-ionic monomer, and wherein the ampholyte copolymer has more cationic charges than anionic charges, wherein the cationic charges of the ampholyte copolymer are exclusively due to the at least one quaternary ammonium group of the cationic monomer.Type: ApplicationFiled: September 18, 2017Publication date: August 22, 2019Applicant: S.P.C.M. SAInventors: Frédéric BLONDEL, Emmanuel AUSSANT, Sandra GUINEBRETIERE, Ian Michael HARRISON, Guillaume JEANSON
-
Publication number: 20190233770Abstract: The invention relates to an encapsulated fragrance composition including at least one microcapsule dispersed in a dispersion medium, said at least one microcapsule including a fragrance oil core and a positively charged shell, which includes a reaction product of at least one at least difunctional anionically modified isocyanate with an amine or alcohol, preferably a polyamine, and wherein the shell is formed around droplet of core material that is stabilized with a positively charged colloidal stabilizer. Furthermore, the invention relates to a process of formation of said encapsulated fragrance compositions.Type: ApplicationFiled: September 19, 2017Publication date: August 1, 2019Applicant: Givaudan SAInventors: Emmanuel AUSSANT, Ian Michael HARRISON, Sandra GUINEBRETIERE, Frederic BLONDEL, Guillaume JEANSON
-
Publication number: 20180318785Abstract: A microcapsule composition, wherein the shell of the microcapsules comprises at least one polyurea which contains at least one permanent cationic group, which is covalently bonded to the shell and the core comprises at least one perfume ingredient, and wherein the shell of the microcapsules does not contain guanidinium groups.Type: ApplicationFiled: November 16, 2016Publication date: November 8, 2018Applicant: GIVAUDAN SAInventors: Emmanuel AUSSANT, Ian Michael HARRISON
-
Publication number: 20180228702Abstract: An encapsulated perfume composition for use in personal care products adapted to be applied to, and left on, the skin or hair of a human or animal subject, said encapsulated perfume composition comprising one or more polyurea capsules having a volume average diameter of 20 to 90 microns, and a capsule shell weight, which is 5 to 40% based on the total weight of the capsules.Type: ApplicationFiled: October 27, 2015Publication date: August 16, 2018Applicant: GIVAUDAN SAInventor: Emmanuel Aussant