Patents by Inventor David Chiche
David Chiche 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: 20240351973Abstract: The present invention relates to a process for purifying a crude diester monomer feedstock comprising: a) a step of mixing the crude diester monomer feedstock with an aqueous solvent, at a temperature of between 60° C. and 150° C., in order to obtain a diester monomer aqueous mixture, the amount of aqueous solvent introduced being adjusted so that the crude diester monomer feedstock represents between 20% and 90% of the total weight of the diester monomer aqueous mixture; b) a step of adsorbing the diester monomer aqueous mixture, at a temperature of between 60° C. and 150° C. and a pressure of between 0.1 and 1.0 MPa, in order to obtain a purified monomer effluent.Type: ApplicationFiled: June 7, 2022Publication date: October 24, 2024Applicants: IFP ENERGIES NOUVELLES, JEPLAN, INC.Inventors: David CHICHE, Guillaume BLANCKE, Damien LEINEKUGEL LE COCQ
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Publication number: 20240287279Abstract: The present invention relates to a process for depolymerization of a polyester feedstock comprising PET, comprising: a) a step for conditioning the polyester feedstock, to produce a conditioned feedstock stream; b) a step of depolymerization of the conditioned feedstock stream, at a temperature of between 150 and 300° C., in the presence of diol with a ratio by weight between the diol and the diester in the feedstock of between 0.3 and 8.0, to produce a reaction effluent; c) a step of separation of the diol from the reaction effluent, to produce at least a liquid monomers effluent; d) a step of separation of the liquid monomers effluent into a heavy impurities effluent and a prepurified monomers effluent; and e) a step of purification of the prepurified monomers effluent, comprising a substep e1) of adsorption at a temperature of between 50 and 200° C. and a crystallization substep e2), and producing at least one decolourized purified diester monomer effluent.Type: ApplicationFiled: June 7, 2022Publication date: August 29, 2024Applicants: IFP ENERGIES NOUVELLES, JEPLAN, INC.Inventors: DAVID CHICHE, Guillaume BLANCKE, Damien LEINEKUGEL LE COCQ, Frederic FAVRE, Yacine HAROUN, Olivier THINON, Adrien MEKKI-BERRADA, Mayara AZIN GONDIM PAIVA, Charles BONNIN, Cyprien CHARRA
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Publication number: 20230028123Abstract: The present invention relates to a process for depolymerizing a polyester feedstock comprising opaque PET, which comprises: a) a conditioning step; b) a step of glycolysis, operated at between 180 and 400° C., a residence time of from 0.1 to 10 h in the presence of diol; c) a diol separation step, at a temperature of between 100 and 250° C., a pressure lower than that of step b) and producing a diol effluent and an effluent rich in monomers; d) a step of separating into a heavy impurities effluent and a prepurified monomers effluent, at a temperature of less than 250° C. and a pressure of less than 0.001 MPa and a residence time of less than 10 min; e) a step of decolourizing the prepurified monomers effluent, by adsorption of a mixture comprising between 20% and 90% by weight of the prepurified monomers effluent and a solvent, at a temperature of between 100 and 200° C., a pressure of between 0.1 and 1.0 MPa and in the presence of at least one adsorbent.Type: ApplicationFiled: December 7, 2020Publication date: January 26, 2023Applicant: IFP Energies nouvellesInventors: David CHICHE, Damien LEINEKUGEL LE COCQ, Christine BOUNIE
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Patent number: 11241667Abstract: The invention relates to a method for preparing a solid comprising the mixture of a set of compounds comprising at least one Cu2(OH)2CO3 powder, one metal oxide powder selected from the group of metals consisting of copper, zinc, iron, manganese and mixtures thereof, and at least one binder as well as the use of the solid prepared by means of this method.Type: GrantFiled: June 12, 2018Date of Patent: February 8, 2022Assignees: AXENS, IFP Energies NouvellesInventors: Delphine Bazer-Bachi, David Chiche, Joseph Lopez, Thomas Serres, Tom Frising, Olivier Ducreux, Patrick Euzen
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Patent number: 10744489Abstract: The invention relates to a method for preparing a solid comprising a step of mixing a set of compounds comprising at least two Cu2(OH)2CO3 powders of different particle sizes and at least one binder and the use of the solid prepared by means of this method.Type: GrantFiled: June 12, 2018Date of Patent: August 18, 2020Assignees: AXENS, IFP Energies nouvellesInventors: Delphine Bazer-Bachi, David Chiche, Joseph Lopez, Thomas Serres, Tom Frising, Olivier Ducreux, Patrick Euzen
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Publication number: 20180353941Abstract: The invention relates to a method for preparing a solid comprising a step of mixing a set of compounds comprising at least two Cu2(OH)2CO3 powders of different particle sizes and at least one binder and the use of the solid prepared by means of this method.Type: ApplicationFiled: June 12, 2018Publication date: December 13, 2018Applicants: AXENS, IFP Energies nouvellesInventors: Delphine BAZER-BACHI, David CHICHE, Joseph LOPEZ, Thomas SERRES, Tom FRISING, Olivier DUCREUX, Patrick EUZEN
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Publication number: 20180353929Abstract: The invention relates to a method for preparing a solid comprising the mixture of a set of compounds comprising at least one Cu2(OH)2CO3 powder, one metal oxide powder selected from the group of metals consisting of copper, zinc, iron, manganese and mixtures thereof, and at least one binder as well as the use of the solid prepared by means of this method.Type: ApplicationFiled: June 12, 2018Publication date: December 13, 2018Applicants: AXENS, IFP Energies NouvellesInventors: Delphine BAZER-BACHI, David CHICHE, Joseph LOPEZ, Thomas SERRES, Tom FRISING, Olivier DUCREUX, Patrick EUZEN
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Patent number: 10118824Abstract: The invention relates to a process for purifying synthesis gas, comprising at least one stage for separating the crude synthesis gas to be treated into at least two effluents, namely a first part and a complementary part, in which the said first part is subjected to a carbon monoxide conversion stage with steam and the said complementary part is subjected to a COS and HCN catalytic hydrolysis stage, the two gas flows, namely the first part and complementary part, are then each treated separately in two stages intended to remove acid gases such as CO2 and H2S, by washing with aqueous solutions of specific amines, before a recombination stage of the two treated effluents.Type: GrantFiled: December 16, 2014Date of Patent: November 6, 2018Assignees: AVRIL, AXENS, IFP ENERGIES NOUVELLES, BIONEXT, THYSSENKRUPP INDUSTRIAL SOLUTIONS AG, TOTAL RAFFINAGE CHIMIE, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: David Chiche, Anne Claire Pierron, Norbert Ullrich
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Patent number: 9623363Abstract: A process for capturing sulphur impurities present in gas feeds containing H2 and/or CO: a. desulphurization with a retaining material containing an active phase, b. optionally, rendering the sulphurized retaining material inert, c. oxidative regeneration of the retaining material, d. optionally, rendering the regenerated retaining material inert, and e. desulphurization with the retaining material that has been regenerated and rendered inert, and regenerating the retaining material.Type: GrantFiled: November 9, 2012Date of Patent: April 18, 2017Assignees: IFP Energies nouvelles, Centre National de la Recherche ScientifiqueInventors: Vincent Girard, Delphine Bazer-Bachi, David Chiche, Arnaud Baudot, Christophe Geantet
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Publication number: 20160368767Abstract: The invention relates to a process for purifying synthesis gas, comprising at least one stage for separating the crude synthesis gas to be treated into at least two effluents, namely a first part and a complementary part, in which the said first part is subjected to a carbon monoxide conversion stage with steam and the said complementary part is subjected to a COS and HCN catalytic hydrolysis stage, the two gas flows, namely the first part and complementary part, are then each treated separately in two stages intended to remove acid gases such as CO2 and H2S, by washing with aqueous solutions of specific amines, before a recombination stage of the two treated effluents.Type: ApplicationFiled: December 16, 2014Publication date: December 22, 2016Applicants: AVRIL, AXENS, IFP ENERGIES NOUVELLES, BIONEXT, THYSSENKRUPP INDUSTRIAL SOLUTIONS AG, TOTAL RAFFINAGE CHIMIE, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: David CHICHE, Anne Claire PIERRON, Norbert ULLRICH
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Patent number: 9422492Abstract: The present invention concerns an integrated process for the production of liquid hydrocarbons starting from a feed containing at least one fraction of biomass and optionally at least one fraction of another feed, said process comprising at least one pre-treatment step, a gasification step, a step for conditioning synthesis gas, a water scrubbing step, a step for eliminating acid gases, a final purification step, and a catalytic Fischer-Tropsch synthesis reaction step.Type: GrantFiled: October 30, 2013Date of Patent: August 23, 2016Assignees: IFP ENERGIES NOUVELLES, AXENS, BIONEXT, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, AVRIL, THYSSENKRUPP INDUSTRIAL SOLUTIONS AG, TOTAL RAFFINAGE CHIMIEInventors: Guillaume Boissonnet, Michael Hecquet, Priscilla Avenier, Laurent Bournay, David Chiche, Jean-Philippe Heraud, Anne Claire Lucquin, Norbert Ullrich, Stéphane Fedou, Julien Rousseau, Raphael Lemaire, Jean-Christophe Viguie
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Patent number: 9156738Abstract: The invention concerns a process for preparing a solid comprising ZnO and a binder comprising the following steps: pre-mixing powders comprising at least one ZnO powder and at least one binder (step a), mixing the paste obtained (step b), extruding (step c) the paste obtained in step b), drying the extrudates, and calcining (step d) in a stream of gas comprising oxygen.Type: GrantFiled: December 3, 2009Date of Patent: October 13, 2015Assignee: IFP ENERGIES NOUVELLESInventors: Delphine Bazer-Bachi, David Chiche, Joseph Lopez, Marc Antoine Lelias
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Publication number: 20150275112Abstract: The present invention concerns an integrated process for the production of liquid hydrocarbons starting from a feed containing at least one fraction of biomass and optionally at least one fraction of another feed, said process comprising at least one pre-treatment step, a gasification step, a step for conditioning synthesis gas, a water scrubbing step, a step for eliminating acid gases, a final purification step, and a catalytic Fischer-Tropsch synthesis reaction step.Type: ApplicationFiled: October 30, 2013Publication date: October 1, 2015Applicants: IFP ENERGIES NOUVELLES, AXENS, TOTAL RAFFINAGE CHIMIE, SOFIPROTEOL, THYSSENKRUPP UHDE GMBH, BIONEXTInventors: Guillaume Boissonnet, Michael Hecquet, Priscilla Avenier, Laurent Bournay, David Chiche, Jean-Philippe Heraud, Anne Claire Lucquin, Norbert Ullrich, Stéphane Fedou, Julien Rousseau, Raphael Lemaire, Jean-Christophe Viguie
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Patent number: 9102345Abstract: A cart (20, 50, 90) includes a plurality of removable baskets (24, 54, 94) having respective rims (40, 76). A foldable frame (22, 52, 92) has folded and unfolded configurations, and includes multiple wheels (32, 65, 108, 110) and an upper supporting structure (36, 58, 98), which is capable, when the frame is in the unfolded configuration, of supporting the baskets side-by-side by the respective rims.Type: GrantFiled: September 4, 2013Date of Patent: August 11, 2015Assignee: GREENCART INT LTD.Inventors: Rafi Geva, David Chiche
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Publication number: 20140008896Abstract: A cart (20, 50, 90) includes a plurality of removable baskets (24, 54, 94) having respective rims (40, 76). A foldable frame (22, 52, 92) has folded and unfolded configurations, and includes multiple wheels (32, 65, 108, 110) and an upper supporting structure (36, 58, 98), which is capable, when the frame is in the unfolded configuration, of supporting the baskets side-by-side by the respective rims.Type: ApplicationFiled: September 4, 2013Publication date: January 9, 2014Applicant: GREENCART INT LTD.Inventors: Rafi Geva, David Chiche
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Patent number: 8617501Abstract: The invention relates to a process for finally removing sulphur-containing, nitrogen-containing and halogen-containing impurities contained in a synthesis gas, said process including: a) a joint step for hydrolysing COS and HCN contained in the gas and for collecting the halogen-containing compounds, using a TiO2-based catalyst, b) a washing step using a solvent, c) a step for desulphurization on a collecting or adsorbing mass. The synthesis gas purified in accordance with the process of the invention contains less than 10 ppb by weight, less than 10 ppb by weight of nitrogen-containing impurities and less than 10 ppb by weight of halogen-containing impurities.Type: GrantFiled: December 3, 2009Date of Patent: December 31, 2013Assignee: IFP Energies nouvellesInventors: David Chiche, Nicolas Boudet, Jean Christophe Viguie, Marc Antoine Lelias, Olivier Ducreux
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Patent number: 8550474Abstract: A cart (20, 50, 90) includes a plurality of removable baskets (24, 54, 94) having respective rims (40, 76). A foldable frame (22, 52, 92) has folded and unfolded configurations, and includes multiple wheels (32, 65, 108, 110) and an upper supporting structure (36, 58, 98), which is capable, when the frame is in the unfolded configuration, of supporting the baskets side-by-side by the respective rims.Type: GrantFiled: February 25, 2010Date of Patent: October 8, 2013Assignee: Greencart Int Ltd.Inventors: Rafi Geva, David Chiche
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Publication number: 20130153616Abstract: A weight-bearing accessory for a hand-propelled cart having a diagonal chassis includes a frame, which is configured to receive and hold one or more containers within the frame. At least one first quick-connect is configured to removably connect the first end of the frame to an upper part of the diagonal chassis. A first strut is coupled to support the second end of the frame. A second strut is connected to a joint at the lower end of the first strut. At least one second quick-connect is configured to removably connect the distal end of the second strut to a lower part of the diagonal chassis. The accessory is designed to fold easily and conveniently when not in use, while the structure of the accessory and the support that it provides prevent the cart from tipping over, regardless of the distribution of the weight carried by the accessory.Type: ApplicationFiled: September 1, 2011Publication date: June 20, 2013Applicant: GREENCART INT LTD.Inventors: Rafi Geva, David Chiche
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Publication number: 20120020861Abstract: The invention is concerned with the use of a TiO2-based composition for capturing halogenated compounds contained in a gaseous mixture, said composition comprising between 10 wt. % and 100 wt. % of TiO2 and between 1 wt. % and 30 wt. % of at least one sulfate of an alkaline-earth metal selected from calcium, barium, strontium and magnesium.Type: ApplicationFiled: September 29, 2011Publication date: January 26, 2012Inventors: Marc-Antoine LELIAS, Olivier Ducreux, David Chiche
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Patent number: D721863Type: GrantFiled: December 10, 2013Date of Patent: January 27, 2015Assignee: Greencart Int Ltd.Inventors: Rafi Geva, David Chiche, Roy Gur Ari