Patents by Inventor Guillaume Cassin
Guillaume Cassin 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: 11622923Abstract: The present invention relates to an emulsion not containing any emulsifying surfactant, in particular to an oil-in-water emulsion not containing any emulsifying surfactant, characterized in that it comprises, especially in a physiologically acceptable medium, at least composite particles comprising a core comprising at least organic or inorganic particles A; said core being covered at the surface, continuously or discontinuously, with an envelope comprising at least organic or inorganic particles B; said particles A and B having different polarities.Type: GrantFiled: December 17, 2015Date of Patent: April 11, 2023Assignee: L'OREALInventors: Guillaume Cassin, Bruno Biatry, Romuald Sanchez
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Publication number: 20220047469Abstract: The present disclosure relates to thermoresponsive oil-in-water nanoemulsions that include: (a) one or more amphiphilic triblock copolymers; (b) one or more oils in the form of nanoemulsion droplets having an average size of about 20 nm to about 500 nm; (c) about 5 to about 40 wt. % of one or more surfactants; (d) one or more nonionic co¬ surfactants; and (e) water, wherein the nonemulsion undergoes a sol-to-gel transition at about 20° C. to about 50° C. One or more lipophilic active ingredients and/or one or more hydrophilic active ingredients may be incorporated into the nanoemulsions. The nanoemulsions are particularly useful for medical, pharmaceutical, and cosmetic applications.Type: ApplicationFiled: November 25, 2019Publication date: February 17, 2022Inventors: Brady ZARKET, Patrick S. DOYLE, Abu Zayed Md BADRUDDOZA, Seyedmeysam HASHEMNEJAD, Samiul AMIN, Guillaume CASSIN, Carlos Ricardo CASTANEDA
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Patent number: 11246820Abstract: The present invention relates to a process for making up the skin, including the step that consists in forming, on a deposit of a foundation composition applied to the skin, a discontinuous deposit of islets of corrective composition and/or a deposit of corrective composition including visible substances that give it an inhomogeneous appearance, said corrective composition having optical properties that locally modify the appearance of the makeup so as to create a pattern reproducing the appearance of skin relief and/or colour heterogeneities.Type: GrantFiled: December 21, 2012Date of Patent: February 15, 2022Assignee: L'OREALInventors: Henri Samain, Franck Giron, Guillaume Cassin, Véronique Ferrari
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Patent number: 11077037Abstract: Provided is a composition, especially a cosmetic composition, that comprises at least one monoglyceride and at least one tartaric ester of monoglyceride, and at least one coated pigment and/or mineral filler. Also provided is the use of a coated pigment and/or coated mineral filler for improving the stability of a composition, especially a cosmetic composition comprising at least one monoglyceride and at least one diacetyl tartaric ester of monoglyceride. Further provided is a cosmetic treatment method that implements the composition of the invention.Type: GrantFiled: March 20, 2019Date of Patent: August 3, 2021Assignee: L'OREALInventors: Guillaume Cassin, Sylvie Poret Fristot
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Patent number: 10702467Abstract: The present invention relates to a composition in the form of an emulsion containing portions of hollow spheres of organosilicon-based material, the portions of hollow spheres having a mean diameter ranging from 0.05 to 10 ?m. The invention also relates to physiologically acceptable emulsion compositions comprising hollow spheres, and to a process for fading out skin surface defects, in particular to reduce the sheen of the skin and/or to fade out pores, shadows under the eyes, marks, wrinkles and/or fine lines, comprising the topical application to the skin of the above-mentioned compositions.Type: GrantFiled: March 13, 2017Date of Patent: July 7, 2020Assignee: L'ORÉALInventor: Guillaume Cassin
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Patent number: 10398631Abstract: Cosmetic composition for making up and/or caring for keratin materials, in particular the skin and/or the lips, including: at least one aqueous phase gelled with at least one polymeric gelling agent that is natural or of natural origin; and at least one oily phase gelled with at least one lipophilic gelling agent chosen from particulate gelling agents, organopolysiloxane elastomers, semi-crystalline polymers and dextrin esters, and mixtures thereof; the phases forming therein a macroscopically homogeneous mixture.Type: GrantFiled: February 25, 2014Date of Patent: September 3, 2019Assignee: L'OREALInventors: Elodie Valverde, Véronique Ferrari, Guillaume Cassin, Patrice Styczen
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Publication number: 20190216701Abstract: Provided is a composition, especially a cosmetic composition, that comprises at least one monoglyceride and at least one tartaric ester of monoglyceride, and at least one coated pigment and/or mineral filler. Also provided is the use of a coated pigment and/or coated mineral filler for improving the stability of a composition, especially a cosmetic composition comprising at least one monoglyceride and at least one diacetyl tartaric ester of monoglyceride.Type: ApplicationFiled: March 20, 2019Publication date: July 18, 2019Inventors: Guillaume CASSIN, Sylvie PORET FRISTOT
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Patent number: 10238584Abstract: The present invention is directed towards a cosmetic composition for making up and/or caring for keratin materials, in particular the skin and/or the lips, comprising: —at least one aqueous phase gelled with at least one synthetic polymeric hydrophilic gelling agent; and —at least one oily phase gelled with at least one lipophilic gelling agent chosen from particulate gelling agents, organopolysiloxane elastomers, semi-crystalline polymers and dextrin esters, and mixtures thereof; the said phases forming therein a macroscopically homogeneous mixture.Type: GrantFiled: February 25, 2014Date of Patent: March 26, 2019Assignee: L'OREALInventors: Elodie Valverde, Véronique Ferrari, Guillaume Cassin, Xavier Ray
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Patent number: 9956434Abstract: The present invention relates to a composition comprising a mixture: of hydrophobic silica aerogel particles having a specific surface area per unit of mass (SM) ranging from 500 to 1500 m2/g and a size expressed as the volume-average diameter (D[0.5]) ranging from 1 to 1500 ?m, and of at least one first linear silicone oil having a viscosity greater than 50 mm2/s and of at least second and third linear silicone oils having a viscosity less than or equal to 50 mm2/s. The present invention also relates to a cosmetic composition comprising a mixture: of hydrophobic silica aerogel particles having a specific surface area per unit of mass (SM) ranging from 500 to 1500 m2/g and a size expressed as the volume-average diameter (D[0.5]) ranging from 1 to 1500 ?m, and of at least one first linear silicone oil having a viscosity less than 10 mm2/s and of at least one second linear silicone oil having a viscosity greater than or equal to 10 mm2/s.Type: GrantFiled: December 19, 2011Date of Patent: May 1, 2018Assignee: L'OrealInventors: Guillaume Cassin, Sylvie Poret Fristot
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Publication number: 20170360661Abstract: The present invention relates to an emulsion not containing any emulsifying surfactant, in particular to an oil-in-water emulsion not containing any emulsifying surfactant, characterized in that it comprises, especially in a physiologically acceptable medium, at least composite particles comprising a core comprising at least organic or inorganic particles A; said core being covered at the surface, continuously or discontinuously, with an envelope comprising at least organic or inorganic particles B; said particles A and B having different polarities. The present invention also relates to the use of the composite particles as defined previously as emulsion stabilizer, in particular as stabilizer for an emulsion not containing any emulsifying surfactant, and more particularly as stabilizer for an oil-in-water emulsion not containing any emulsifying surfactant.Type: ApplicationFiled: December 17, 2015Publication date: December 21, 2017Applicant: L'OREALInventors: Guillaume CASSIN, Bruno BIATRY, Romuald SANCHEZ
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Publication number: 20170304183Abstract: The present invention relates to a composition in the form of an emulsion containing portions of hollow spheres of organosilicon-based material, the portions of hollow spheres having a mean diameter ranging from 0.05 to 10 ?m. The invention also relates to physiologically acceptable emulsion compositions comprising hollow spheres, and to a process for fading out skin surface defects, in particular to reduce the sheen of the skin and/or to fade out pores, shadows under the eyes, marks, wrinkles and/or fine lines, comprising the topical application to the skin of the above-mentioned compositions.Type: ApplicationFiled: March 13, 2017Publication date: October 26, 2017Applicant: L'ORÉALInventor: Guillaume CASSIN
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Patent number: 9622946Abstract: The present invention relates to a composition in the form of an emulsion containing portions of hollow spheres of organosilicon-based material, the portions of hollow spheres having a mean diameter ranging from 0.05 to 10 ?m. The invention also relates to physiologically acceptable emulsion compositions comprising hollow spheres, and to a process for fading out skin surface defects, in particular to reduce the sheen of the skin and/or to fade out pores, shadows under the eyes, marks, wrinkles and/or fine lines, comprising the topical application to the skin of the above-mentioned compositions.Type: GrantFiled: February 19, 2013Date of Patent: April 18, 2017Assignee: L'OREALInventor: Guillaume Cassin
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Publication number: 20160151261Abstract: The invention relates to a composition, especially a cosmetic composition, characterized in that it comprises at least one monoglyceride and at least one tartaric ester of monoglyceride, and at least one coated pigment and/or mineral filler. The invention also relates to the use of a coated pigment and/or coated mineral filler for improving the stability of a composition, especially a cosmetic composition comprising at least one monoglyceride and at least one diacetyl tartaric ester of monoglyceride.Type: ApplicationFiled: June 25, 2014Publication date: June 2, 2016Inventors: Guillaume Cassin, Sylvie Poret Fristot
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Patent number: 9320689Abstract: The present invention relates to a composition comprising a mixture of: hydrophobic silica aerogel particles with a specific surface area per unit of mass (SM) ranging from 500 to 1500 m2/g and a size expressed as the mean volume diameter (D[0.5]) ranging from 1 to 1500 ?m, and at least a first and at least a second hydrocarbon-based oil chosen from branched esters, pentacrythritol esters, hydrogenated polyolefins and fatty acid triglycerides, and mixtures thereof, the first hydrocarbon-based oil being present in a content of greater than or equal to 40% by weight of the mixture of the first and second oils.Type: GrantFiled: December 19, 2011Date of Patent: April 26, 2016Assignee: L'OREALInventors: Guillaume Cassin, Sylvie Poret Fristot
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Publication number: 20160008236Abstract: Cosmetic composition for making up and/or caring for keratin materials, in particular the skin and/or the lips, including: at least one aqueous phase gelled with at least one polymeric gelling agent that is natural or of natural origin; and at least one oily phase gelled with at least one lipophilic gelling agent chosen from particulate gelling agents, organopolysiloxane elastomers, semi-crystalline polymers and dextrin esters, and mixtures thereof; the phases forming therein a macroscopically homogeneous mixture.Type: ApplicationFiled: February 25, 2014Publication date: January 14, 2016Inventors: Elodie VALVERDE, Véronique FERRARI, Guillaume CASSIN, Patrice STYCZEN
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Publication number: 20160000663Abstract: The present invention is directed towards a cosmetic composition for making up and/or caring for keratin materials, in particular the skin and/or the lips, comprising: —at least one aqueous phase gelled with at least one synthetic polymeric hydrophilic gelling agent; and—at least one oily phase gelled with at least one lipophilic gelling agent chosen from particulate gelling agents, organopolysiloxane elastomers, semi-crystalline polymers and dextrin esters, and mixtures thereof; the said phases forming therein a macroscopically homogeneous mixture.Type: ApplicationFiled: February 25, 2014Publication date: January 7, 2016Inventors: Elodie VALVERDE, Véronique FERRARI, Guillaume CASSIN, Xavier RAY
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Patent number: 9078831Abstract: The present invention relates to a method for the cosmetic treatment of the skin, comprising the application, to the skin: of a compound or group of compounds A capable of condensing in situ and exhibiting at least one reactive functional group FA which is free after condensation; and of a screening agent C which screens out UV radiation, comprising a reactive functional group FC capable of forming a covalent bond or a physical (ionic, hydrogen) bond by reaction with the functional group FA.Type: GrantFiled: December 15, 2010Date of Patent: July 14, 2015Assignee: L'OrealInventors: Henri Samain, Guillaume Cassin, Didier Candau, Angelina Roudot, Florence L'Alloret
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Publication number: 20140345639Abstract: The present invention relates to a process for making up the skin, including the step that consists in forming, on a deposit of a foundation composition applied to the skin, a discontinuous deposit of islets of corrective composition and/or a deposit of corrective composition including visible substances that give it an inhomogeneous appearance, said corrective composition having optical properties that locally modify the appearance of the makeup so as to create a pattern reproducing the appearance of skin relief and/or colour heterogeneities.Type: ApplicationFiled: December 21, 2012Publication date: November 27, 2014Inventors: Henri Samain, Franck Giron, Guillaume Cassin, Véronique Ferrari
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Publication number: 20140335136Abstract: Disclosed herein are compositions comprising, in a cosmetically acceptable medium, a silicone material comprising concave and/or annular particles; hydrophobic silica aerogel particles; fillers chosen from platelet type fillers and silica particles other than hydrophobic silica aerogel particles; a fatty substance chosen from fatty alcohols and fatty acids; an emulsifying agent and a thickening agent, wherein the silica material, hydrophobic silica aerogel particles and fillers are present in a total amount of greater than 4% by weight, based on the total weight of the composition. Also disclosed herein is a process for reducing the visibility of imperfections on skin, comprising applying the composition onto the skin.Type: ApplicationFiled: May 9, 2013Publication date: November 13, 2014Inventors: Patricia BRIEVA, Mark ZAW, Yinli WANG, Donna McCANN, Anthony POTIN, Kelly LOCKWOOD, Guillaume CASSIN
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Publication number: 20130337026Abstract: The present invention relates to a composition comprising a mixture:—of hydrophobic silica aerogel particles having a specific surface area per unit of mass (SM) ranging from 500 to 1500 m2/g and a size expressed as the volume-average diameter (D[0.5]) ranging from 1 to 1500 ?m, and—of at least one first linear silicone oil having a viscosity greater than 50 mm2/s and of at least second and third linear silicone oils having a viscosity less than or equal to 50 mm2/s. The present invention also relates to a cosmetic composition comprising a mixture:—of hydrophobic silica aerogel particles having a specific surface area per unit of mass (SM) ranging from 500 to 1500 m2/g and a size expressed as the volume-average diameter (D[0.5]) ranging from 1 to 1500 ?m, and—of at least one first linear silicone oil having a viscosity less than 10 mm2/s and of at least one second linear silicone oil having a viscosity greater than or equal to 10 mm2/s.Type: ApplicationFiled: December 19, 2011Publication date: December 19, 2013Applicant: L'OREALInventors: Guillaume Cassin, Sylvie Poret Fristot