Patents by Inventor Claudine Biver
Claudine Biver 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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Publication number: 20240052235Abstract: The invention relates to a group of novel electrochromic compounds. More specifically, it relates to benzazoles and condensed azole compounds substituted with one or several pyridinium rings and the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.Type: ApplicationFiled: December 14, 2021Publication date: February 15, 2024Applicant: Essilor InternationalInventors: Claudine BIVER, Fabien BERIT-DEBAT, Samuel ARCHAMBEAU, Stuart AIKEN, Georgina K. ARMITAGE, Thomas D. BROADBENT, Daniel L. CROSSLEY, Christopher D. GABBUTT, Bernard Mark HERON
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Publication number: 20240053649Abstract: An electrochromic cell including a chamber including an electrochromic formulation, and at least two electrodes that are part of the same electrochemical cell and that include a conducting material deposited on the inner surface of the chamber. At least one of the electrodes includes a layer of a transparent conductive oxide and a layer including a conductive polymer, the layer including a conductive polymer being the only part of the at least one electrode that is in contact with the electrochromic formulation.Type: ApplicationFiled: December 14, 2021Publication date: February 15, 2024Applicant: Essilor InternationalInventors: Samuel ARCHAMBEAU, Claudine BIVER, Jean-Paul CANO, David ESCAICH, Marion HARRIBEY, Marion MECA
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Publication number: 20240045298Abstract: An optical device for a wearer intended to form an electrochromic ophthalmic lens, spectacle glasses comprising two such lenses fitted on a frame, and a method for manufacturing such an optical device. The optical device includes at least one electrochromic cell which has a rear shell and a front shell respectively defining for the optical device a backside surface proximal to at least one eye of the wearer and an opposite front surface, the rear shell and the front shell being provided with at least one pair of transparent electrodes and delimiting a sealed cavity filled with an electrochromic composition. One of the front shell and the rear shell includes a mineral glass substrate, and the other one includes an organic polymeric substrate, and the electrochromic cell forms a hybrid mineral-organic ophthalmic lens selected from plano lenses and prescription lenses satisfying a prescription for power correction.Type: ApplicationFiled: December 8, 2021Publication date: February 8, 2024Applicant: Essilor InternationalInventors: Claudine BIVER, Sira UHALTE NOGUES, Mathieu MEYNEN, Marion MECA, Marius PELOUX
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Publication number: 20230374230Abstract: A gel medium containing at least one non-aqueous solvent and a crosslinked polymer resulting from the reaction of a polyfunctional polymer containing at least two carboxyl moieties capable of undergoing crosslinking reactions, the polyfunctional polymer having a molecular weight from 2,000 g/mol to 3,000,000 g/mol, and a crosslinking agent chosen from a polycarbodiimide or a polyaziridine.Type: ApplicationFiled: October 11, 2021Publication date: November 23, 2023Applicant: Essilor InternationalInventors: Samuel ARCHAMBEAU, Claudine BIVER, Jean-Paul CANO, Marion MECA, Marion HARRIBEY
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Publication number: 20230375859Abstract: A lens element intended to be worn in front of an eye of a wearer having a first optical function, and comprising at least one activable optical element, wherein in a first state the at least one activable optical element contributes with the rest of the lens to focus the image of an object at distance on the retina of the wearer, and in a second state the at least one activable optical element has a second optical function of scattering light so as to slow down the progression of the abnormal refraction of the eye.Type: ApplicationFiled: September 8, 2021Publication date: November 23, 2023Applicant: Essilor InternationalInventors: Claudine BIVER, Samuel ARCHAMBEAU
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Publication number: 20230220274Abstract: The present invention relates to an electrochromic solution and a use thereof, wherein the said solution comprises: a solvent; a thickening polymer agent having a molecular weight of at least 50,000 g/mol, preferably 200,000 g/mol, more preferably of at least 250,000 g/mol; at least an additive having a molecular weight between 300 and 50,000 g/mol, preferably between 320 and 20,000 g/mol; a redox chemical mixture in solution in said solvent said mixture being constituted of at least one electrochromic reducing compound and at least one electrochromic oxidizing compound, and which colors in the presence of an applied voltage and which bleaches to a colorless condition in the absence of an applied voltage. The invention further relates to a device comprising said solution.Type: ApplicationFiled: June 9, 2021Publication date: July 13, 2023Applicant: Essilor InternationalInventors: Samuel ARCHAMBEAU, Claudine BIVER, Fabien BERIT DEBAT, Jerôme BALLET, Jean-Paul CANO
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Patent number: 11598978Abstract: An optical lens intended to be placed before a wearer's eye and having a front surface and a rear surface, the rear surface being the surface intended to be the closest to the wearer's eye when the optical lens is placed before a wearer's eye, the optical lens having a mineral glass element on the front surface and further comprising an eye protector that is configured to prevent any piece of the mineral glass element from reaching the wearer's eye when the element is broken, said eye protector comprising a polymer wafer arranged on the rear surface.Type: GrantFiled: October 18, 2018Date of Patent: March 7, 2023Assignee: Essilor InternationalInventors: Claudine Biver, David Escaich, Mariska Barthelemy, Marie Engel, Sira Uhalte Nogues
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Patent number: 11550168Abstract: An optical lens intended to be placed before a wearer's eye and having a front surface and a rear surface, the rear surface being the surface intended to be the closest to the wearer's eye when the optical lens is placed before a wearer's eye, the optical lens having a mineral glass element on the front surface and further comprising an eye protector that is configured to prevent any piece of the mineral glass element from reaching the wearer's eye when the element is broken, said eye protector comprising a polymer wafer arranged on the rear surface.Type: GrantFiled: October 18, 2018Date of Patent: January 10, 2023Assignee: Essilor InternationalInventors: Claudine Biver, David Escaich, Mariska Barthelemy, Marie Engel, Sira Uhalte Nogues
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Patent number: 11550169Abstract: Active optical filter adapted for a spectacle lens, the active optical filter being configured so as to filter light radiations over at least one predetermined range of wavelengths, wherein the full width at half maximum of the filtering function of the optical filter is smaller than or equal to 100 nm.Type: GrantFiled: July 1, 2020Date of Patent: January 10, 2023Assignee: Essilor InternationalInventors: Coralie Barrau, Thierry Villette, Jean-Paul Cano, Samuel Archambeau, Claudine Biver
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Patent number: 11378803Abstract: The present invention generally provides systems, methods and ophthalmic lenses for image display of a virtual image, such as the display of a holographic image. According to the invention, an ophthalmic lens is advantageously configured for optimizing the visualization of said displayed virtual images.Type: GrantFiled: December 10, 2019Date of Patent: July 5, 2022Assignee: Essilor InternationalInventors: Aude Bouchier, Claudine Biver, Jean-Paul Cano
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Publication number: 20220187621Abstract: Disclosed is a multilayer structure for an electrochromic cell, to a electrochromic cell and an ophthalmic device incorporating the multilayer structure, to corresponding uses of the multilayer structure, and to methods for manufacturing the multilayer structure, the electrochromic cell and the ophthalmic device. The multilayer structure includes:—a transparent flexible substrate including a thermoplastic polymeric film, the flexible substrate having two main surfaces, at least one being configurated to be a barrier to oxygen, water vapor and/or solvents, and—a electrically conductive layer which surmounts the flexible substrate to form a flexible first part of the electrochromic cell, the electrically conductive layer being configured to form an electrode of the electrochromic cell and including a deformable electrically conductive nanostructure. The flexible first part is formed to a curved shape defined by a first curvature including at least one of a cylindrical, toric and spherical curvature.Type: ApplicationFiled: December 15, 2021Publication date: June 16, 2022Inventors: Claudine BIVER, Samuel ARCHAMBEAU, Jean-Paul CANO
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Publication number: 20220050294Abstract: The present invention concerns an optical system intended to be held by a frame and worn by a wearer, the optical system comprising a lens, the lens further comprising a metasurface formed by at least a set of nanostructures, at least the lens and the metasurface being designed to achieve an optical system transmission target optical function and an optical system reflective target optical function.Type: ApplicationFiled: August 12, 2019Publication date: February 17, 2022Inventors: Bruno FERMIGIER, Estelle NETTER, William TROTTIER-LAPOINTE, Claudine BIVER
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Publication number: 20210247628Abstract: An electrically-controlled optical device intended to be placed in front of a user's eye, the electrically-controlled optical device being an ophthalmic device, the electrically-controlled optical device comprising: a front shell defining a front surface and a back surface opposed to the front surface, the front shell comprising a slab, at least one functional layer arranged on the back surface and one primer layer, said primer layer being arranged between the at least one functional layer and the slab; and an electrically-controlled object facing the back surface of the front shell wherein the primer layer is conformed such that the electrically-controlled optical device is mechanically resistant to an impact energy of at least 200 mJ.Type: ApplicationFiled: June 7, 2019Publication date: August 12, 2021Applicant: Essilor InternationalInventors: Hélène GUILLOU, Claudine BIVER, Sira UHALTE NOGUES, David ESCAICH, Masaaki IMURA
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Publication number: 20210191158Abstract: An optical lens intended to be placed before a wearer's eye and having a front surface and a rear surface, the rear surface being the surface intended to be the closest to the wearer's eye when the optical lens is placed before a wearer's eye, the optical lens having a mineral glass element on the front surface and further comprising an eye protector that is configured to prevent any piece of the mineral glass element from reaching the wearer's eye when the element is broken, said eye protector comprising a polymer wafer arranged on the rear surface.Type: ApplicationFiled: October 18, 2018Publication date: June 24, 2021Applicant: Essilor InternationalInventors: Claudine BIVER, David ESCAICH, Mariska BARTHELEMY, Marie ENGEL, Sira UHALTE NOGUES
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Patent number: 10996536Abstract: An electrochromic device including a selective membrane separating two liquid media including at least one electrochromic compound and at least one compound able to be oxidized or reduced and showing low energy consumption.Type: GrantFiled: June 21, 2018Date of Patent: May 4, 2021Assignee: Essilor InternationalInventors: Jerome Ballet, Samuel Archambeau, Jean-Paul Cano, David Escaich, Claudine Biver
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Publication number: 20210071083Abstract: An optical device including an aerogel located in an encapsulating structure, an optically non isotropic material presenting a refractive index which can be changed upon submitting said material to an electrical field, preferentially a liquid crystal mixture, embedded in the aerogel, and first and second electrodes arranged to generate an electric field in the encapsulating structure.Type: ApplicationFiled: January 29, 2019Publication date: March 11, 2021Applicants: Essilor International, UNIVERSITE DE MONTPELLIER, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE- CNRSInventors: Samuel ARCHAMBEAU, Claudine BIVER, Pascal ETIENNE, Sylvie CALAS ETIENNE, Laurent BONNET
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Patent number: 10816827Abstract: The invention relates to a process for manufacturing an ophthalmic lens element equipped with an insert (1), this ophthalmic lens element comprising a front face and a back face, comprising steps consisting in: providing a first portion or intermediate product (2, 2?) made of a first material comprising a first and second frontal face (2A, 2B, 2A?, 2B?), said second face forming the back or front face of said ophthalmic lens element; placing the insert (1) on said first face of said intermediate product; depositing a second material in liquid form on said first face of the intermediate product (2, 2?) so as to cover at least partially said insert with said second material; and solidifying said second material in order to form an integral second portion (4) of said intermediate product. According to the invention, said first material is organic.Type: GrantFiled: March 18, 2015Date of Patent: October 27, 2020Assignee: Essilor InternationalInventors: Laurent Berthelot, Claudine Biver, Marc Reignault
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Publication number: 20200333633Abstract: Active optical filter adapted for a spectacle lens, the active optical filter being configured so as to filter light radiations over at least one predetermined range of wavelengths, wherein the full width at half maximum of the filtering function of the optical filter is smaller than or equal to 100 nm.Type: ApplicationFiled: July 1, 2020Publication date: October 22, 2020Applicant: Essilor InternationalInventors: Coralie BARRAU, Thierry VILLETTE, Jean-Paul CANO, Samuel ARCHAMBEAU, Claudine BIVER
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Patent number: 10730855Abstract: The present invention relates to a group of novel electrochromic compounds. More specifically, it relates to electrochromic compounds comprising one or several pyridinium rings and the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.Type: GrantFiled: January 4, 2018Date of Patent: August 4, 2020Assignee: Essilor InternationalInventors: Claudine Biver, Fabien Berit-Debat, Samuel Archambeau, Christopher Gabbutt, Stuart Aiken, Bernard Mark Heron, Thomas David Broadbent
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Patent number: 10725322Abstract: An active optical filter adapted for a spectacle lens, the active optical filter configured to filter light radiations over at least one predetermined range of wavelengths, wherein the full width at half maximum of the filtering function of the optical filter is smaller than or equal to 100 nm.Type: GrantFiled: August 16, 2016Date of Patent: July 28, 2020Assignee: Essilor InternationalInventors: Coralie Barrau, Thierry Villette, Jean-Paul Cano, Samuel Archambeau, Claudine Biver