Patents by Inventor Laurence GUERCHET
Laurence GUERCHET 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: 9956147Abstract: The invention relates to a cosmetic composition in particular in the form of an emulsion for topical application to keratin materials, in particular the skin, comprising, in a physiologically acceptable medium: (i) at least one dispersion (pre-dispersion) of bismuth oxychloride (CI 77163) in an oily dispersant chosen from a) monoesters of formula R1COOR2 in which R1 represents a linear or branched hydrocarbon-based chain comprising from 4 to 40 carbon atoms, preferably from 4 to 30 carbon atoms, and preferentially from 7 to 20 carbon atoms, and R2 represents a branched hydrocarbon-based chain containing from 3 to 40 carbon atoms, preferably from 10 to 30 carbon atoms, and preferentially from 16 to 26 carbon atoms; b) oils whose solubility parameter at 25° C., ?a, is greater than 6 (J/cm3)1/2, and mixtures thereof, and (ii) at least one oil chosen from hydrocarbon-based oils having a refractive index greater than 1.42 and a solubility parameter at 25° C.Type: GrantFiled: July 22, 2016Date of Patent: May 1, 2018Assignee: L'OREALInventors: Emmanuelle Ozee, Laurence Guerchet, Xavier Blin, Nathalie Delattre
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Publication number: 20170014319Abstract: The invention relates to a cosmetic composition in particular in the form of an emulsion for topical application to keratin materials, in particular the skin, comprising, in a physiologically acceptable medium: (i) at least one dispersion (pre-dispersion) of bismuth oxychloride (CI 77163) in an oily dispersant chosen from a) monoesters of formula R1COOR2 in which R1 represents a linear or branched hydrocarbon-based chain comprising from 4 to 40 carbon atoms, preferably from 4 to 30 carbon atoms, and preferentially from 7 to 20 carbon atoms, and R2 represents a branched hydrocarbon-based chain containing from 3 to 40 carbon atoms, preferably from 10 to 30 carbon atoms, and preferentially from 16 to 26 carbon atoms; b) oils whose solubility parameter at 25° C., ?a, is greater than 6 (J/cm3)1/2, and mixtures thereof, and (ii) at least one oil chosen from hydrocarbon-based oils having a refractive index greater than 1.42 and a solubility parameter at 25° C.Type: ApplicationFiled: July 22, 2016Publication date: January 19, 2017Applicant: L'ORÉALInventors: Emmanuelle OZEE, Laurence GUERCHET, Xavier BLIN, Nathalie DELATTRE
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Patent number: 9452114Abstract: The invention relates to a cosmetic composition in particular in the form of an emulsion for topical application to keratin materials, in particular the skin, comprising, in a physiologically acceptable medium: (i) at least one dispersion (pre-dispersion) of bismuth oxychloride (CI 77163) in an oily dispersant chosen from a) monoesters of formula R1COOR2 in which R1 represents a linear or branched hydrocarbon-based chain comprising from 4 to 40 carbon atoms, preferably from 4 to 30 carbon atoms, and preferentially from 7 to 20 carbon atoms, and R2 represents a branched hydrocarbon-based chain containing from 3 to 40 carbon atoms, preferably from 10 to 30 carbon atoms, and preferentially from 16 to 26 carbon atoms; b) oils whose solubility parameter at 25° C., ?a, is greater than 6 (J/cm3)1/2, and mixtures thereof, and (ii) at least one oil chosen from hydrocarbon-based oils having a refractive index greater than 1.42 and a solubility parameter at 25° C.Type: GrantFiled: July 2, 2010Date of Patent: September 27, 2016Assignee: L'OREALInventors: Emmanuelle Ozee, Laurence Guerchet, Xavier Blin, Nathalie Delattre
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Publication number: 20130129652Abstract: The present invention relates to a cosmetic care and/or makeup composition comprising at least 65% by weight relative to its total weight of an aqueous phase, at least 2% by weight relative to its total weight of pigments in the form of pigmentary particles that are dispersed and/or dispersible in aqueous medium, at least one water-soluble or water-dispersible gelling agent in a content ranging from 0.05% to 40% by weight relative to the total weight of the composition, and at least one polyol containing from 3 to 12 carbon atoms, said composition having a viscosity at least equal to 600 Pa·s at a shear of 0.010 s—and less than 0.8 Pa·s at a shear of 1000 s—, and said pigmentary particles being first formed from an intimate mixture of said pigments and from at least one polyol.Type: ApplicationFiled: June 8, 2011Publication date: May 23, 2013Applicant: L'OREALInventors: Xavier Blin, Laurence Guerchet, Anne Marie Lezoray
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Publication number: 20120269752Abstract: The invention relates to a cosmetic composition in particular in the form of an emulsion for topical application to keratin materials, in particular the skin, comprising, in a physiologically acceptable medium: (i) at least one dispersion (pre-dispersion) of bismuth oxychloride (CI 77163) in an oily dispersant chosen from a) monoesters of formula R1COOR2 in which R1 represents a linear or branched hydrocarbon-based chain comprising from 4 to 40 carbon atoms, preferably from 4 to 30 carbon atoms, and preferentially from 7 to 20 carbon atoms, and R2 represents a branched hydrocarbon-based chain containing from 3 to 40 carbon atoms, preferably from 10 to 30 carbon atoms, and preferentially from 16 to 26 carbon atoms; b) oils whose solubility parameter at 25° C., ?a, is greater than 6 (J/cm3)1/2, and mixtures thereof, and (ii) at least one oil chosen from hydrocarbon-based oils having a refractive index greater than 1.42 and a solubility parameter at 25° C.Type: ApplicationFiled: July 2, 2010Publication date: October 25, 2012Applicant: L'OREALInventors: Emmanuelle Ozee, Laurence Guerchet, Xavier Blin, Nathalie Delattre
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Publication number: 20100074854Abstract: A subject-matter of the present invention is a nail varnish comprising an organic solvent medium and at least one phenylated silicone resin. Another subject-matter of the present invention is a cosmetic method for making up or for the nontherapeutic care of the nails, comprising the application, to the nails, of at least one layer of the said nail varnish, and also its use for obtaining, after deposition on the nail, a film which is glossy.Type: ApplicationFiled: June 4, 2008Publication date: March 25, 2010Applicant: L'OREALInventors: Laurence Guerchet, Lizabeth-Anne Coffey-Dawe
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Publication number: 20090263338Abstract: Nail varnish composition in the form of an emulsion containing one or more water-soluble or water-dispersible polymers obtained from acrylamido-2-methylpropanesulphonic acid (or AMPS) or from one of its salts and from water-soluble monomers having ethylenic unsaturation(s) as gelling agent. Makeup method employing the composition. Dried films of the nail varnish.Type: ApplicationFiled: April 15, 2009Publication date: October 22, 2009Applicant: L'OREALInventors: Nicolas ROLLAND, Laurence GUERCHET
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Publication number: 20090047228Abstract: A conditioning and application assembly includes a container containing a nail varnish composition comprising a cosmetically acceptable medium and at least one thixotropic thickener, with the composition having a viscosity at 25° C. of at least 0.6 Pa·s. An applicator is provided for taking up the product contained in the container and applying it to the nails, with the applicator including a flexible blade defining an application face.Type: ApplicationFiled: August 8, 2008Publication date: February 19, 2009Applicant: L'OREALInventors: Laurence GUERCHET, Lizabeth-Anne Coffey-Dawe, Aline Abergel, Marc Ramet
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Publication number: 20080260665Abstract: The subject-matter of the present invention is a nail varnish composition comprising, in an organic solvent medium: a) at least one polycondensate capable of being obtained by reaction: of at least one polyol comprising 3 to 6 hydroxyl groups; of at least one saturated or unsaturated, linear, branched and/or cyclic, nonaromatic monocarboxylic acid comprising 6 to 32 carbon atoms; of at least one aromatic monocarboxylic acid comprising 7 to 11 carbon atoms; of at least one saturated or unsaturated, indeed even aromatic, linear, branched and/or cyclic, polycarboxylic acid comprising at least 2 COOH carboxyl groups and/or a cyclic anhydride of such a polycarboxylic acid, and b) at least one polyoxyalkylene block copolymer chosen from: block copolymers of following formula (I): HO—(CH2—CH2—O)n—(CxH2xO)m—(CH2—CH2—O)p—H, in which n, m and p are independently integers ranging from 1 to 1000 and x is an integer strictly greater than 2 and less than or equal to 10, copolymers comprising at leasType: ApplicationFiled: January 8, 2008Publication date: October 23, 2008Inventors: Laurence Guerchet, Lizabeth-Anne Coffey-Dawe
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Publication number: 20080145325Abstract: The present invention relates to a nail varnish comprising an organic solvent medium, a gelling agent and at least one ketone/aldehyde resin. The present invention also relates to a cosmetic process for making up or for the non-therapeutic care of the nails, comprising the application to the nails of at least one coat of the nail varnish, and also to its use for obtaining a glossy film after deposition on the nail.Type: ApplicationFiled: September 13, 2007Publication date: June 19, 2008Inventors: Lizabeth-Anne Coffey-Dawe, Laurence Guerchet
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Publication number: 20070207096Abstract: Disclosed herein is a nail varnish comprising a cosmetically acceptable medium and at least one thixotropic thickener, wherein the composition has a viscosity at 25° C. of at least 0.6 Pa·s. Also disclosed herein is a cosmetic nail makeup process comprising lowering the viscosity of a nail varnish composition with a viscosity at 25° C. of at least 0.6 Pa·s, with a non-chemical action, for instance, a mechanical action, simultaneously with or prior to the application of the composition to the nails.Type: ApplicationFiled: February 13, 2007Publication date: September 6, 2007Inventors: Virginie Puisset, Laurence Guerchet, Lizabeth-Anne Coffey-Dawe