Patents by Inventor Antoine Sciandra
Antoine Sciandra 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: 11485941Abstract: The invention relates to a bioreactor including: a light source (200); a light sensor (300) facing said light source; a vat (100) that is placed between the light source (200) and the light sensor (300), said vat being intended to receive a culture medium comprising a cellular culture of photosynthetic microorganisms; a controller (400) connected to the light sensor (300) in order to control the vat (100) to obtain a chosen cellular-culture concentration (xi) in the culture medium during a working period, said light source (200) being capable of emitting incident light (L) of an input light intensity (Iin) in the direction of the vat (100), and the light sensor (300) being capable of measuring an output light intensity (Iout) and of transmitting data relating to this intensity (Iout) to the controller for the control of the vat; and a system (500) for controlling the light source (200), this system being arranged to adjust, during a period shorter than or equal to said working period, the input light intensitType: GrantFiled: April 3, 2017Date of Patent: November 1, 2022Inventors: Francis Mairet, Olivier Bernard, Hubert Bonnefond, Antoine Sciandra, Éric Pruvost
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Patent number: 11427796Abstract: The invention relates to a bioreactor comprising a tank (100) capable of being operated for a working period, said tank (100) being intended to receive a culture medium comprising a cellular culture of photosynthetic microorganisms, a light source (200) arranged to emit incident light having a chosen incoming light intensity (Iin) in the direction of the tank, a temperature probe (400) for measuring the temperature of said culture medium in the tank, and a temperature regulator (500) capable of raising and lowering the temperature of said culture medium in the tank, and further comprising a control (700) of the temperature regulator arranged to adjust the temperature of the culture medium to a low setpoint value (VCB) during a first period, and to adjust the temperature of the culture medium to a high setpoint value (VCH) during a second period, the succession of said first and second periods making it possible to induce a cellular stress in at least some of said photosynthetic microorganisms during the workiType: GrantFiled: September 19, 2017Date of Patent: August 30, 2022Assignee: Inria Institut National De Recherche En Informatique Et En AutomatiqueInventors: Olivier Bernard, Hubert Bonnefond, Antoine Sciandra, Éric Pruvost, Ghjuvan Grimaud
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Patent number: 10711232Abstract: The invention relates to a bioreactor comprising a tank containing a culture medium in which a cell culture composed of algae cells is dispersed. The cell culture of algae has a concentration greater than 0.1 g/L in the culture medium, and each algal cell has a minimum absorption in a specific range of wavelengths of light. The bioreactor comprises a light source that is capable of emitting incident light in the direction of the tank, 60% of the photons of the incident light having a wavelength which is included in said specific range of wavelengths of light. The invention also relates to the use of the bioreactor for the production of biomass.Type: GrantFiled: March 18, 2016Date of Patent: July 14, 2020Assignees: Inria Institut National De Recherche En Informatique Et En Automatique, Centre National De La Recherche Scientifique (C.N.R.S.), Universite Pierre Et Marie Curie (Paris 6)Inventors: Francis Mairet, Olivier Bernard, Antoine Sciandra, Eric Pruvost, Charlotte Combe
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Publication number: 20190284516Abstract: The invention relates to a bioreactor comprising a tank (100) capable of being operated for a working period, said tank (100) being intended to receive a culture medium comprising a cellular culture of photosynthetic microorganisms, a light source (200) arranged to emit incident light having a chosen incoming light intensity (Iin) in the direction of the tank, a temperature probe (400) for measuring the temperature of said culture medium in the tank, and a temperature regulator (500) capable of raising and lowering the temperature of said culture medium in the tank, and further comprising a control (700) of the temperature regulator arranged to adjust the temperature of the culture medium to a low setpoint value (VCB) during a first period, and to adjust the temperature of the culture medium to a high setpoint value (VCH) during a second period, the succession of said first and second periods making it possible to induce a cellular stress in at least some of said photosynthetic microorganisms during the workiType: ApplicationFiled: September 19, 2017Publication date: September 19, 2019Inventors: Olivier BERNARD, Hubert BONNEFOND, Antoine SCIANDRA, Éric PRUVOST, Ghjuvan GRIMAUD
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Publication number: 20190119614Abstract: The invention relates to a bioreactor including: a light source (200); a light sensor (300) facing said light source; a vat (100) that is placed between the light source (200) and the light sensor (300), said vat being intended to receive a culture medium comprising a cellular culture of photosynthetic microorganisms; a controller (400) connected to the light sensor (300) in order to control the vat (100) to obtain a chosen cellular-culture concentration (xi) in the culture medium during a working period, said light source (200) being capable of emitting incident light (L) of an input light intensity (Iin) in the direction of the vat (100), and the light sensor (300) being capable of measuring an output light intensity (Iout) and of transmitting data relating to this intensity (Iout) to the controller for the control of the vat; and a system (500) for controlling the light source (200), this system being arranged to adjust, during a period shorter than or equal to said working period, the input light intensitType: ApplicationFiled: April 3, 2017Publication date: April 25, 2019Inventors: Francis MAIRET, Olivier BERNARD, Hubert BONNEFOND, Antoine SCIANDRA, Éric PRUVOST
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Patent number: 10106765Abstract: The invention relates to a method for producing microalgae on a support (14) that is movably mounted essentially in an aqueous medium contained in a tank (12), said method comprising a succession of phases in which the microalgae developing on the support (14) are exposed to sunlight and phases in the shade, the light intensity received in the shade being less than 50% of the average light intensity received during the sunlight exposure phases. The total length of the shade phases is more than 50% longer than the total length of the sunlight exposure phases.Type: GrantFiled: July 15, 2014Date of Patent: October 23, 2018Assignees: Inria Institut National De Recherche En Informatique Et En Automatique, Centre National De La Recherche Scientifique (C.N.R.S), Ecole Centrale Paris, Universite Pierre Et Marie Curie (Paris 6)Inventors: Olivier Bernard, Filipa Lopes, Eric Pruvost, Antoine Sciandra
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Publication number: 20180112165Abstract: The invention relates to a bioreactor comprising a tank containing a culture medium in which a cell culture composed of algae cells is dispersed. The cell culture of algae has a concentration greater than 0.1 g/L in the culture medium, and each algal cell has a minimum absorption in a specific range of wavelengths of light. The bioreactor comprises a light source that is capable of emitting incident light in the direction of the tank, 60% of the photons of the incident light having a wavelength which is included in said specific range of wavelengths of light. The invention also relates to the use of the bioreactor for the production of biomass.Type: ApplicationFiled: March 18, 2016Publication date: April 26, 2018Inventors: Francis MAIRET, Olivier BERNARD, Antoine SCIANDRA, Eric PRUVOST, Charlotte COMBE
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Publication number: 20160152933Abstract: The invention relates to a method for producing microalgae on a support (14) that is movably mounted essentially in an aqueous medium contained in a tank (12), said method comprising a succession of phases in which the microalgae developing on the support (14) are exposed to sunlight and phases in the shade, the light intensity received in the shade being less than 50% of the average light intensity received during the sunlight exposure phases. The total length of the shade phases is more than 50% longer than the total length of the sunlight exposure phases.Type: ApplicationFiled: July 15, 2014Publication date: June 2, 2016Inventors: Olivier Bernard, Filipa Lopes, Eric Pruvost, Antoine Sciandra