Patents by Inventor Isabelle MERDRIGNAC

Isabelle MERDRIGNAC 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).

  • Publication number: 20240067891
    Abstract: The present invention relates to a process for producing olefins from a hydrocarbon feedstock 11 having a sulfur content of at least 0.1 weight %, an initial boiling point of at least 180° C. and a final boiling point of at least 600° C.
    Type: Application
    Filed: October 2, 2020
    Publication date: February 29, 2024
    Applicant: IFP Energies nouvelles
    Inventors: Wilfried WEISS, Isabelle MERDRIGNAC
  • Patent number: 11702603
    Abstract: The invention concerns a process for converting a hydrocarbon feed, said process comprising the following steps: a) a step of hydrocracking the feed in the presence of hydrogen; b) a step of separating the effluent obtained from step a); c) a step of precipitating sediments, in which the heavy fraction obtained from the separation step b) is brought into contact with a distillate cut at least 20% by weight of which has a boiling point of 100° C. or more for a period of less than 500 minutes, at a temperature in the range 25° C. to 350° C., and at a pressure of less than 20 MPa; d) a step of physical separation of the sediments from the heavy fraction obtained from step c); e) a step of recovering a heavy fraction having a sediment content, measured using the ISO 10307-2 method, of 0.1% by weight or less.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: July 18, 2023
    Assignee: IFP Energies Nouvelles
    Inventors: Wilfried Weiss, Isabelle Merdrignac, Jeremie Barbier, Ann Cloupet
  • Patent number: 11692142
    Abstract: The invention concerns a process for the treatment of a hydrocarbon feed, said process comprising the following steps: a) a hydrotreatment step, in which the hydrocarbon feed and hydrogen are brought into contact over a hydrotreatment catalyst, b) an optional step of separating the effluent obtained from the hydrotreatment step a), c) a step of hydrocracking at least a portion of the effluent obtained from step a) or at least a portion of the heavy fraction obtained from step b), d) a step of separating the effluent obtained from step c), e) a step of precipitating sediments, f) a step of physical separation of the sediments from the heavy liquid fraction obtained from step e), g) a step of recovering a liquid hydrocarbon fraction having a sediment content, measured using the ISO 10307-2 method, of 0.1% by weight or less.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: July 4, 2023
    Assignee: IFP Energies nouvelles
    Inventors: Wilfried Weiss, Isabelle Merdrignac, Jeremie Barbier, Ann Cloupet
  • Publication number: 20220380690
    Abstract: The present invention relates to a process for producing olefins from a hydrocarbon feedstock 11 with a sulfur content of at least 0.1 weight %, an initial boiling point of at least 180° C. and a final boiling point of at least 600° C.
    Type: Application
    Filed: July 6, 2020
    Publication date: December 1, 2022
    Applicant: IFP Energies Nouvelles
    Inventors: Wilfried WEISS, Isabelle MERDRIGNAC
  • Publication number: 20220372384
    Abstract: The present invention relates to a process for producing olefins from a hydrocarbon feedstock 11 having a sulfur content of at least 0.1 weight %, an initial boiling point of at least 180° C. and a final boiling point of at least 600° C.
    Type: Application
    Filed: November 2, 2020
    Publication date: November 24, 2022
    Applicant: IFP Energies Nouvelles
    Inventors: Wilfried WEISS, Isabelle MERDRIGNAC
  • Patent number: 11421166
    Abstract: The present invention describes a process for the production of fuel of the heavy fuel oil type, this fuel optionally being able to become a marine fuel, from a heavy hydrocarbon-containing feedstock having a sulphur content of at least 0.5% by weight, an initial boiling temperature of at least 350° C. and a final boiling temperature of at least 450° C., a process using a fixed-bed hydrotreatment stage, an intermediate separation and a hydrocracking stage comprising at least one reactor of the hybrid type.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: August 23, 2022
    Assignee: IFP ENERGIES NOUVELLES
    Inventors: Wilfried Weiss, Isabelle Merdrignac
  • Publication number: 20220064537
    Abstract: Between 40% and 75% by weight of a first bitumen base B1 an asphalt obtained by a solvent deasphalting of a first vacuum residue R1 resulting from the distillation of an effluent hydroconverted by a process for the ebullated bed hydroconversion of a heavy hydrocarbon feedstock, and Between 25% and 60% by weight of a second bitumen base B2 and/or of a flux F, F at least one heavy aromatic cut with a hydrogen content of greater than 8.5% by weight, B2, R1 or a second vacuum residue R2 resulting from a distillation of a crude oil or a mixture of R1 and R2.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 3, 2022
    Applicant: IFP Energies Nouvelles
    Inventors: Alain QUIGNARD, Wilfried WEISS, Isabelle MERDRIGNAC, Jeremie BARBIER
  • Patent number: 10160924
    Abstract: A process for refining a heavy hydrocarbon feedstock containing a) at least two stages of deasphalting in series to separate at least one fraction of asphalt, at least one fraction of heavy deasphalted oil, and at least one fraction of light deasphalted oil, at least one of the stages of deasphalting by a mixture of at least one polar solvent and at least one apolar solvent, the stages of deasphalting being implemented under the subcritical conditions of the mixture of solvents, b) a stage of hydrotreatment of at least a part of the fraction of heavy deasphalted oil, in the presence of hydrogen, c) a stage of catalytic cracking of at least a part of the fraction of light deasphalted oil, alone or in a mixture with at least a part of the effluent originating from stage b).
    Type: Grant
    Filed: November 27, 2014
    Date of Patent: December 25, 2018
    Assignee: IFP ENERGIES NOUVELLES
    Inventors: Isabelle Merdrignac, Jerome Majcher
  • Publication number: 20180163144
    Abstract: The invention concerns a process for the treatment of a hydrocarbon feed, said process comprising the following steps: a) a hydrotreatment step, in which the hydrocarbon feed and hydrogen are brought into contact over a hydrotreatment catalyst, b) an optional step of separating the effluent obtained from the hydrotreatment step a), c) a step of hydrocracking at least a portion of the effluent obtained from step a) or at least a portion of the heavy fraction obtained from step b), d) a step of separating the effluent obtained from step c), e) a step of precipitating sediments, f) a step of physical separation of the sediments from the heavy liquid fraction obtained from step e), g) a step of recovering a liquid hydrocarbon fraction having a sediment content, measured using the ISO 10307-2 method, of 0.1% by weight or less.
    Type: Application
    Filed: April 20, 2016
    Publication date: June 14, 2018
    Applicant: IFP Energies nouvelles
    Inventors: Wilfried WEISS, Isabelle MERDRIGNAC, Jeremie BARBIER, Ann CLOUPET
  • Patent number: 9982203
    Abstract: Process for converting a heavy hydrocarbon feedstock with initial boiling point of at least 300° C. comprising: a) hydroconverting at least part of said feedstock; b) separating the effluent from stage a) to obtain light and heavy liquid fractions; c) at least two stages of deasphalting in series at least part of the heavy liquid fraction originating from stage b), allowing to separate at least one fraction of asphalt, at least one fraction of heavy deasphalted oil (heavy DAO) and at least one fraction of light deasphalted oil (light DAO), at least one deasphalting stage being carried out using a mixture of at least one polar solvent and at least one apolar solvent, said deasphalting stages being under subcritical conditions of the mixture of solvents; d) recycling at least part of said heavy deasphalted oil cut from stage c) upstream of hydroconverting a) and/or of the inlet of separating b).
    Type: Grant
    Filed: November 27, 2014
    Date of Patent: May 29, 2018
    Assignee: IFP Energies nouvelles
    Inventors: Jerome Majcher, Isabelle Merdrignac, Frederic Feugnet
  • Publication number: 20180134974
    Abstract: The invention concerns a process for converting a hydrocarbon feed, said process comprising the following steps: a) a step of hydrocracking the feed in the presence of hydrogen; b) a step of separating the effluent obtained from step a); c) a step of precipitating sediments, in which the heavy fraction obtained from the separation step b) is brought into contact with a distillate cut at least 20% by weight of which has a boiling point of 100° C. or more for a period of less than 500 minutes, at a temperature in the range 25° C. to 350° C., and at a pressure of less than 20 MPa; d) a step of physical separation of the sediments from the heavy fraction obtained from step c); e) a step of recovering a heavy fraction having a sediment content, measured using the ISO 10307-2 method, of 0.1% by weight or less.
    Type: Application
    Filed: April 20, 2016
    Publication date: May 17, 2018
    Applicant: IFP Energies Nouvelles
    Inventors: Wilfried WEISS, Isabelle MERDRIGNAC, Jeremie BARBIER, Ann CLOUPET
  • Patent number: 9963643
    Abstract: The invention concerns a process for refining a heavy hydrocarbon feed, comprising the following steps: a) a step for selective deasphalting of the heavy hydrocarbon feed by single-step liquid/liquid extraction in an extraction medium, said extraction being carried out using a mixture of at least one polar solvent and at least one apolar solvent, in order to obtain an asphalt phase and a deasphalted oil phase DAO, the proportions of said polar solvent and said apolar solvent in the solvent mixture being adjusted as a function of the properties of the feed and the desired asphalt yield, said deasphalting step being carried out under subcritical conditions for the solvent mixture; b) a step for hydrotreatment of at least a portion of the deasphalted oil phase DAO obtained from step a); c) optionally, a step for catalytic cracking of at least a portion of the effluent obtained from step b).
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: May 8, 2018
    Assignee: IFP Energies nouvelles
    Inventors: Isabelle Merdrignac, Jerome Majcher, Mathieu Digne
  • Patent number: 9926499
    Abstract: The invention relates to a process for refining a heavy feedstock of the vacuum residue type. Selective deasphalting of the feedstock is conducted in a single-stage liquid/liquid extraction in an extractant. Extraction is carried out by means of a mixture of at least one polar solvent and at least one apolar solvent, to obtain an asphalt phase and a deasphalted oil (DAO) phase. The proportions of polar solvent and apolar solvent in the solvent mixture are adjusted according to properties of the feedstock, desired yield of asphalt and/or desired quality of the DAO. Deasphalting is implemented under subcritical conditions. At least a part of the DAO is subjected to hydrotreatment. At least a part of the effluent originating from the hydrotreatment is subjected to catalytic cracking in at least one fluidized-bed reactor under conditions allowing a gasoline fraction and/or a light olefins fraction to be produced.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: March 27, 2018
    Assignee: IFP ENERGIES NOUVELLES
    Inventors: Isabelle Merdrignac, Jerome Majcher
  • Patent number: 9650580
    Abstract: Treating a hydrocarbon feed having a sulphur content of at least 0.5% by weight, an asphaltenes content of at least 1% by weight, an initial boiling point of at least 340° C. and a final boiling point of at least 480° C., in order to obtain at least one deasphalted oil fraction with a sulphur content of 0.5% by weight or less and a sediment content of 0.1% by weight or less.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: May 16, 2017
    Assignee: IFP Energies nouvelles
    Inventors: Isabelle Merdrignac, Wilfried Weiss, Jerome Majcher
  • Publication number: 20170029719
    Abstract: The invention describes a process for the deasphalting of a heavy feedstock by liquid/liquid extraction, said process comprising at least two stages of deasphalting in series carried out on the feedstock to be treated making it possible to separate at least one fraction of asphalt, at least one fraction of heavy deasphalted oil, referred to as heavy DAO and at least one fraction of light deasphalted oil, referred to as light DAO, at least one of said stages of deasphalting being carried out by means of a mixture of at least one polar solvent and at least one apolar solvent, said stages of deasphalting being implemented under the subcritical conditions of the mixture of solvents used.
    Type: Application
    Filed: November 27, 2014
    Publication date: February 2, 2017
    Applicant: IFP Energies nouvelles
    Inventors: Isabelle MERDRIGNAC, Jerome MAJCHER
  • Publication number: 20160312130
    Abstract: Treating a hydrocarbon feed having a sulphur content of at least 0.5% by weight, an asphaltenes content of at least 1% by weight, an initial boiling point of at least 340° C. and a final boiling point of at least 480° C., in order to obtain at least one deasphalted oil fraction with a sulphur content of 0.5% by weight or less and a sediment content of 0.1% by weight or less.
    Type: Application
    Filed: December 5, 2014
    Publication date: October 27, 2016
    Applicant: IFP Energies nouvelles
    Inventors: Isabelle MERDRIGNAC, Wilfried WEISS, Jerome MAJCHER
  • Publication number: 20160304794
    Abstract: Process for converting a heavy hydrocarbon feedstock with initial boiling point of at least 300° C. comprising: a) hydroconverting at least part of said feedstock; b) separating the effluent from stage a) to obtain light and heavy liquid fractions; c) at least two stages of deasphalting in series at least part of the heavy liquid fraction originating from stage b), allowing to separate at least one fraction of asphalt, at least one fraction of heavy deasphalted oil (heavy DAO) and at least one fraction of light deasphalted oil (light DAO), at least one deasphalting stage being carried out using a mixture of at least one polar solvent and at least one apolar solvent, said deasphalting stages being under subcritical conditions of the mixture of solvents; d) recycling at least part of said heavy deasphalted oil cut from stage c) upstream of hydroconverting a) and/or of the inlet of separating b).
    Type: Application
    Filed: November 27, 2014
    Publication date: October 20, 2016
    Applicant: IFP Energies nouvelles
    Inventors: Jerome MAJCHER, Isabelle MERDRIGNAC, Frederic FEUGNET
  • Publication number: 20160304793
    Abstract: A process for refining a heavy hydrocarbon feedstock containing a) at least two stages of deasphalting in series to separate at least one fraction of asphalt, at least one fraction of heavy deasphalted oil, and at least one fraction of light deasphalted oil, at least one of the stages of deasphalting by a mixture of at least one polar solvent and at least one apolar solvent, the stages of deasphalting being implemented under the subcritical conditions of the mixture of solvents, b) a stage of hydrotreatment of at least a part of the fraction of heavy deasphalted oil, in the presence of hydrogen, c) a stage of catalytic cracking of at least a part of the fraction of light deasphalted oil, alone or in a mixture with at least a part of the effluent originating from stage b).
    Type: Application
    Filed: November 27, 2014
    Publication date: October 20, 2016
    Applicant: IFP ENERGIES NOUVELLES
    Inventors: Isabelle MERDRIGNAC, Jerome MAJCHER
  • Publication number: 20160122666
    Abstract: The present invention describes a process for the production of fuel of the heavy fuel oil type, this fuel optionally being able to become a marine fuel, from a heavy hydrocarbon-containing feedstock having a sulphur content of at least 0.5% by weight, an initial boiling temperature of at least 350° C. and a final boiling temperature of at least 450° C., a process using a fixed-bed hydrotreatment stage, an intermediate separation and a hydrocracking stage comprising at least one reactor of the hybrid type.
    Type: Application
    Filed: November 4, 2015
    Publication date: May 5, 2016
    Applicant: IFP ENERGIES NOUVELLES
    Inventors: Wilfried WEISS, Isabelle MERDRIGNAC
  • Publication number: 20150337223
    Abstract: The invention concerns a process for refining a heavy hydrocarbon feed, comprising the following steps: a) a step for selective deasphalting of the heavy hydrocarbon feed by single-step liquid/liquid extraction in an extraction medium, said extraction being carried out using a mixture of at least one polar solvent and at least one apolar solvent, in order to obtain an asphalt phase and a deasphalted oil phase DAO, the proportions of said polar solvent and said apolar solvent in the solvent mixture being adjusted as a function of the properties of the feed and the desired asphalt yield, said deasphalting step being carried out under subcritical conditions for the solvent mixture; b) a step for hydrotreatment of at least a portion of the deasphalted oil phase DAO obtained from step a); c) optionally, a step for catalytic cracking of at least a portion of the effluent obtained from step b).
    Type: Application
    Filed: December 3, 2013
    Publication date: November 26, 2015
    Applicant: IFP Energies nouvelles
    Inventors: Isabelle MERDRIGNAC, Jerome MAJCHER, Mathieu DIGNE