Patents by Inventor Grégory Schmidt

Grégory Schmidt 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: 20240238383
    Abstract: A composition comprising nanoparticles having a molecule that is a cell targeting or cell penetrating molecule and an anti-oxidant, and methods of making and using the composition, are provided.
    Type: Application
    Filed: May 20, 2022
    Publication date: July 18, 2024
    Inventors: Mark A. Greiner, Aliasger K. Salem, Gregory Schmidt, Jessica M. Skeie, Sanjib Saha, Megan Polz
  • Patent number: 12024425
    Abstract: A method for preparing a compound having the following formula (IV): R2—(SO2)—NLi—(SO2)—F (IV), the method including a step a) of reacting a sulphamide having the following formula (A): R0—(SO2)—NH2 (A) with at least one sulphur-containing acid and at least one chlorinating agent, the step a) being carried out: at a temperature between 90° C. and 130° C., and at a pressure which is strictly greater than 7 bar (absolute).
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: July 2, 2024
    Assignee: ARKEMA FRANCE
    Inventors: Grégory Schmidt, Jérémy Bauche, Dominique Deur-Bert
  • Publication number: 20240186605
    Abstract: The invention relates to a process for recycling lithium salts contained in the electrolyte of a used lithium battery, which involves supplying an electrolyte stream comprising at least one lithium salt, at least one electrolyte solvent and water; at least one step of extracting the at least one lithium salt by adding a first solvent to the electrolyte stream to recover a phase comprising the at least one lithium salt on one side and a lithium salt-depleted phase on the other side.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 6, 2024
    Applicant: ARKEMA FRANCE
    Inventor: Gregory SCHMIDT
  • Publication number: 20240128547
    Abstract: A method for controlling the temperature of a battery in an electric or hybrid motor vehicle by means of a system including a vapor compression circuit in which a first heat transfer composition flows, and a secondary circuit in which a second heat transfer composition flows, the method involving: —heat exchange between the battery and the second heat transfer composition; —heat exchange between the second heat transfer composition and the first heat transfer composition; wherein the battery includes at least one electrochemical cell having a negative electrode, a positive electrode and an electrolyte including a lithium salt composition, the lithium salt composition including: —at least 99.75% by weight of a lithium salt of bis(fluorosulfonyl)imide; —chlorides Cl—at a mass content strictly less than 20 ppm. Also a system for carrying out the method.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 18, 2024
    Applicant: Arkema France
    Inventor: Gregory SCHMIDT
  • Publication number: 20240120545
    Abstract: The invention relates to an ionic liquid comprising an anion of formula (I) and at least one onium cation, said ionic liquid having a colour of less than 115 Hazen units on the APHA scale. The invention also relates to a method for purifying an ionic liquid comprising an anion of formula (I) and at least one onium cation.
    Type: Application
    Filed: December 15, 2021
    Publication date: April 11, 2024
    Applicant: ARKEMA FRANCE
    Inventor: Gregory SCHMIDT
  • Publication number: 20240021872
    Abstract: The invention concerns a cathode composition comprising an intrinsically incorporated catholyte. The invention also concerns a quasi-solid-state Li-ion battery comprising said cathode, an anode and a separator, and a method for manufacturing said Li-ion battery.
    Type: Application
    Filed: December 1, 2021
    Publication date: January 18, 2024
    Inventors: Gregory SCHMIDT, Stephane BIZET, Marie BICHON
  • Publication number: 20230312344
    Abstract: A composition containing: at least 99.75% by weight of bis(fluorosulfonyl)imide lithium salt. A process for preparing the composition, including a) step of preconcentrating a composition C1 including an organic solvent OS1, water and bis(fluorosulfonyl)imide salt, to give a composition C2 including: the lithium salt of bis(fluorosulfonyl)imide in a content ranging from 35% to 50% relative to the total weight of composition C2; water in a mass content of less than or equal to 500 ppm relative to the total mass of composition C2; the preconcentration step being performed at a temperature of less than or equal to 50° C.; b) a step of concentrating composition C2; c) an optional step of crystallizing the composition obtained in step b).
    Type: Application
    Filed: May 26, 2023
    Publication date: October 5, 2023
    Applicant: Arkema France
    Inventors: Grégory SCHMIDT, Rémy TEISSIER, Jean-Luc COUTURIER
  • Patent number: 11757133
    Abstract: The present invention concerns a mixture comprising: —lithium bis(fluorosulfonyl)imide; —lithium 2-trifluoromethyl-4,5-dicyano-imidazole; and —lithium hexafluorophosphate; as well as an electrolyte composition comprising said mixture, and their uses.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: September 12, 2023
    Assignee: Arkema France
    Inventor: Grégory Schmidt
  • Patent number: 11697589
    Abstract: A composition containing: at least 99.75% by weight of bis(fluorosulfonyl)imide lithium salt; and acetic acid in a content by mass greater than 0 and less than or equal to 400 ppm. A process for preparing the composition, including a) step of preconcentrating a composition C1 including an organic solvent OS1, water and bis(fluorosulfonyl)imide salt, to give a composition C2 including: the lithium salt of bis(fluorosulfonyl)imide in a content ranging from 35% to 50% relative to the total weight of composition C2; water in a mass content of less than or equal to 500 ppm relative to the total mass of composition C2; said preconcentration step being performed at a temperature of less than or equal to 50° C.; b) a step of concentrating composition C2; c) an optional step of crystallizing the composition obtained in step b).
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: July 11, 2023
    Assignee: ARKEMA FRANCE
    Inventors: Grégory Schmidt, Rémy Teissier, Jean-Luc Couturier
  • Publication number: 20230009871
    Abstract: An electrolyte composition including: i) at least one lithium salt; ii) at least one nonaqueous solvent; and iii) at least one product from reaction of a mixture including: a) at least one diamine selected from: a1) a linear aliphatic C2 to C24 diamine; and/or a2) a cycloaliphatic C6 to C18 diamine; and/or a3) an aromatic, preferably C6 to C24, diamine; b) at least one saturated hydroxylated C3-C36 carboxylic acid; c) at least one monoacid selected from saturated linear and non-hydroxylated C2 to C18 carboxylic acids; the composition having a viscosity measured at 23° C. ranging from 101 to 107 mPa·s.
    Type: Application
    Filed: November 5, 2020
    Publication date: January 12, 2023
    Applicant: ARKEMA FRANCE
    Inventors: Gregory SCHMIDT, Dmitri COLESNIC
  • Publication number: 20220389178
    Abstract: The invention relates to a fluoropolymer film which makes it possible to manufacture a gelled dense membrane which offers a very good compromise between ionic conductivity and mechanical strength after swelling. This membrane is intended for use as a separator for Li-ion batteries.
    Type: Application
    Filed: November 10, 2020
    Publication date: December 8, 2022
    Inventors: Stephane Bizet, Gregory Schmidt, Jerome Chauveau
  • Publication number: 20220367942
    Abstract: The use of a refrigerant including 2,3,3,3-tetrafluoropropene for the cooling of a battery of an electric vehicle including at least one electrochemical cell including a negative electrode, a positive electrode and an electrolyte, the positive electrode including at least one oxide of formula LiNixMnyCozO2 with x+y+z=1, x>y and x>z, or LiNix?Coy?Alz? with x?+y?+z?=1, x?>y? and x?>z?, as electrochemically active material.
    Type: Application
    Filed: June 3, 2020
    Publication date: November 17, 2022
    Applicant: Arkema France
    Inventor: Gregory SCHMIDT
  • Publication number: 20220315821
    Abstract: The use of a refrigerant including 2,3,3,3-tetrafluoropropene for the heating of a battery of an electric vehicle including at least one electrochemical cell including a negative electrode, a positive electrode and an electrolyte, the electrolyte including a lithium salt and the negative electrode including metallic lithium as electrochemically active material.
    Type: Application
    Filed: June 3, 2020
    Publication date: October 6, 2022
    Applicant: Arkema France
    Inventor: Gregory SCHMIDT
  • Publication number: 20220249399
    Abstract: A composition comprising an amount of an anti-oxidant comprising one or more of ubiquinol, MitoQ, vitamin E, vitamin C, ascorbate-2-phosphate, idebenone, pyrroloquinoline quinone (PQQ), N-acetyl-L-cysteine (NAC), palmitate, reduced glutathione, or a C14-C18 saturated fatty acid effective to preserve, e.g., corneal tissue, and methods of using the composition, are provided.
    Type: Application
    Filed: March 4, 2020
    Publication date: August 11, 2022
    Inventors: Aliasger K. Salem, Youssef Wahib Naguib lbrahim, Somaya Ali Mohammed Elsaid Abdelrahman, Jessica M. Skeie, Benjamin T. Aldrich, Gregory Schmidt, Cynthia R. Reed, Mark A. Greiner, Darryl Y. Nishimura, Sanjib Saha
  • Publication number: 20220219984
    Abstract: The present invention relates to a process for preparing a compound having the following formula (II): F—SO2—N?—SO2—R1NH4+??(II) wherein R1 represents F or a linear or branched alkyl radical, substituted with at least one fluorine atom, said process comprising a step of bringing an anhydrous flow F1 comprising ammonia (NH3) into contact with a compound of formula (I): F—SO2—NH—SO2—R1??(I) R1 is as defined above.
    Type: Application
    Filed: May 19, 2020
    Publication date: July 14, 2022
    Inventors: Grégory SCHMIDT, Philippe LEDUC, Rémy TEISSIER
  • Publication number: 20220216520
    Abstract: A method for drying and purifying a lithium bis(fluorosulfonyl)imide salt. Also, a method for producing a lithium bis(fluorosulfonyl)imide salt which is then dried and purified by the method. Further, a composition containing lithium bis(fluorosulfonyl)imide salt having a water content by mass of between 5 and 45 ppm. And, the use of the composition C in Li-ion batteries.
    Type: Application
    Filed: March 23, 2022
    Publication date: July 7, 2022
    Applicant: Arkema France
    Inventors: Grégory SCHMIDT, Rémy TEISSIER
  • Publication number: 20220166066
    Abstract: An electrolyte composition including: lithium 2-trifluoromethyl-4,5-dicyanoimidazolate; lithium bis(fluorosulfonyl)imide; lithium nitrate; at least one additive (A) allowing formation of an SEI passivation layer; and at least one non-aqueous solvent. Also, the use of the electrolyte composition in an electrochemical cell including at least one negative electrode including lithium, and in particular lithium metal, for reducing or eliminating the growth of lithium dendrites on the surface of said electrode.
    Type: Application
    Filed: May 19, 2020
    Publication date: May 26, 2022
    Applicant: Arkema France
    Inventor: Grégory SCHMIDT
  • Patent number: 11316200
    Abstract: A method for drying and purifying a lithium bis(fluorosulfonyl)imide salt. Also, a method for producing a lithium bis(fluorosulfonyl)imide salt which is then dried and purified by the method. Further, a composition containing lithium bis(fluorosulfonyl)imide salt having a water content by mass of between 5 and 45 ppm. And, the use of the composition C in Li-ion batteries.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: April 26, 2022
    Assignee: ARKEMA FRANCE
    Inventors: Grégory Schmidt, Rémy Teissier
  • Publication number: 20210376329
    Abstract: The invention relates to an anode for a Li-ion rechargeable battery, said anode being covered with a protective film based on fluorinated copolymer(s). The invention also relates to the processes for preparing this anode. The invention also relates to a Li-ion rechargeable battery comprising an anode according to the invention. The invention lastly relates to the use of fluorinated copolymer(s) as film for covering an anode for a lithium-ion battery comprising a negative electrode active material.
    Type: Application
    Filed: July 25, 2019
    Publication date: December 2, 2021
    Applicant: Arkema France
    Inventors: Dominique PLEE, Fabrice DOMINGUES DOS SANTOS, Gregory SCHMIDT
  • Publication number: 20210323823
    Abstract: A method for drying and purifying a lithium bis(fluorosulfonyl)imide salt in solution in an organic solvent S1, the method including the following steps: a) adding deionised water to dissolve and extract the lithium bis(fluorosulfonyl)imide salt, forming an aqueous solution of the salt; b) extracting the lithium bis(fluorosulfonyl)imide salt from the aqueous solution, using an organic solvent S2, the step being repeated at least once; c) concentrating the lithium bis(fluorosulfonyl)imide salt by evaporating the organic solvent S2 and the water, in a short-path thin-film evaporator, under the following conditions: temperature of 30° C. to 95° C., pressure of 10?3 mbar abs to 5 mbar abs, residence time no longer than 15 min; and d) optionally crystallising the lithium bis(fluorosulfonyl)imide salt. Also, a composition made of lithium bis(fluorosulfonyl)imide salt, and the uses thereof in Li-ion batteries.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 21, 2021
    Applicant: Arkema France
    Inventors: Grégory SCHMIDT, Rémy TEISSIER