Patents Assigned to THE CHEMOURS COMPANY FC, LLC
  • Publication number: 20240059945
    Abstract: The present invention relates to a composition comprising HFO-1234yf, or trans-HFO-1234ze, or a mixture thereof; HFC-32; and HFC-152a, HFO-1243zf, or a mixture thereof, wherein said composition is selected from the group consisting of: (I) a first composition, wherein said HFO-1234yf or trans-HFO-1234ze or a mixture thereof is at least 56 weight percent of said first composition; (II) a second composition, wherein said HFC-32 is at most 29 weight percent of said second composition; (III) a third composition, wherein said HFC-152a is at least 56 weight percent said third composition; (IV) a fourth composition, wherein said HFC-32 is at least 56 weight percent of said fourth composition; (V) a fifth composition comprising trans-HFO-1234ze, HFC-32, and HFC-152a, HFO-1243zf, or a mixture thereof; and (VI) a sixth composition, wherein said HFO-1243zf or mixture thereof with HFC-152a is at most 20 weight percent of said sixth composition.
    Type: Application
    Filed: November 3, 2023
    Publication date: February 22, 2024
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: Barbara Haviland Minor, Joachim Gerstel
  • Patent number: 11905226
    Abstract: This disclosure relates to processes which involve: contacting a mixture comprising at least one fluoroolefin and at least one impurity with at least one zeolite to reduce the concentration of the at least one impurity in the mixture; and the at least one zeolite is selected from the group consisting of zeolites having pore opening of at least 4 Angstroms and no more than about 5 Angstroms, zeolites having pore opening of at least about 5 Angstroms and Sanderson electronegativity of no more than about 2.6, and mixtures thereof; provided that the at least one zeolite is not zeolite 4A. This disclosure also relates to processes for making at least one hydrotetrafluoropropene product selected from the group consisting of CF3CF?CH2, CF3CH?CHF, and mixtures thereof; and relates to processes for making at least one hydrochlorotrifluoropropene product selected from the group consisting of CF3CCl?CH2, CF3CH?CHCl, and mixtures thereof.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: February 20, 2024
    Assignee: THE CHEMOURS COMPANY FC LLC
    Inventors: Mario Joseph Nappa, Xuehui Sun, David Richard Corbin
  • Patent number: 11904301
    Abstract: A method of chlorinating a antimony fluorohalide catalyst is disclosed. In one embodiment the method comprises contacting an antimony fluorohalide catalyst that contains one or more fluorines with a regenerating agent chosen from 2-chloro-3,3,3-trifluoropropene (1233xf), 1,1,1,3-tetrachloropropane (250fb), 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and combinations of 1233xf, 250fb, and 244bb, under conditions effective to exchange at least one fluorine in the antimony fluorohalide catalyst with chlorine. The method can be used to regenerate spent antimony fluorohalide catalyst, for example regenerating SbCl5 from SbF5.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: February 20, 2024
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Xuehui Sun, Mario Joseph Nappa, Karl Krause
  • Patent number: 11879066
    Abstract: Provided is a fluororesin coating composition for forming a topcoat having improved non-tackiness and water and oil repellency. The fluororesin is crystalline tetrafluoroethylene and perfluoro(ethyl vinyl ether) copolymer having a perfluoro(ethyl vinyl ether) content of 8 to 20 mass % based on the total mass of the copolymer.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: January 23, 2024
    Assignees: THE CHEMOURS COMPANY FC, LLC, CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD
    Inventors: Daisaku Shinohara, Kazuhiko Miyagishima
  • Publication number: 20240018438
    Abstract: Compositions, systems and methods for introducing lubricants, and additives, that are designed to work with environmentally friendly refrigerants into vehicle heat management systems including passenger compartment air conditioning (A/C) systems are disclosed. Methods for charging lubricants and specific additives using environmentally desirable (low GWP) refrigerant or refrigerant blend compositions into an environmentally friendly system, such as a system that uses HFO-1234yf, are also disclosed.
    Type: Application
    Filed: September 26, 2023
    Publication date: January 18, 2024
    Applicant: The Chemours Company FC, LLC
    Inventors: MARY E KOBAN, Nina E GRAY, Hubert MENTZ, JR.
  • Publication number: 20240018402
    Abstract: Refrigerant compositions including 2,3,3,3-tetrafluoropropene (HFO-1234yf) and at least one of ethane (R-170) or propane (R-290) which exhibit near-azeotropic or azeotrope-like behavior. The refrigerant compositions exhibit a low global warming potential (GWP) and are non-ozone depleting. The refrigerant compositions are useful as a heating or cooling fluids in a variety of heating or cooling systems including heat pumps and other heating and cooling loops, in, for example, the automotive industry.
    Type: Application
    Filed: September 21, 2023
    Publication date: January 18, 2024
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: MARY E. KOBAN, LUKE DAVID SIMONI
  • Publication number: 20240010895
    Abstract: In accordance with the present invention refrigerant compositions are disclosed. The compositions comprise a refrigerant mixture consisting essentially of HFC-32 and HFO-1234yf. The compositions are useful as refrigerants in processes to produce cooling and heating, in methods for replacing refrigerant R-410A, and in air conditioning or heat pump systems.
    Type: Application
    Filed: November 19, 2021
    Publication date: January 11, 2024
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: JOSHUA HUGHES
  • Patent number: 11867436
    Abstract: A multi-step method is disclosed for exchanging heat in a vapor compression heat transfer system having a working fluid circulating therethrough. The method includes the step of circulating a working fluid comprising a fluoroolefin to an inlet of a first tube of an internal heat exchanger, through the internal heat exchanger and to an outlet thereof. Also disclosed are vapor compression heat transfer systems for exchanging heat. The systems include an evaporator, a compressor, a dual-row condenser and an intermediate heat exchanger having a first tube and a second tube. A disclosed system involves a dual-row condenser connected to the first and second intermediate heat exchanger tubes. Another disclosed system involves a dual-row evaporator connected to the first and second intermediate heat exchanger tubes.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: January 9, 2024
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Denis Clodic, Youssef Riachi, Mary E Koban
  • Patent number: 11866634
    Abstract: A fluoropropene composition comprising E-1,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, and 2,3,3,3-tetrafluoropropene, wherein the total amount of 1,1,3,3,3-pentafluoropropene and 2,3,3,3-tetrafluoropropene is 1.0 wt. % or less, based on the total weight of the fluoropropene composition. A method of producing the fluoropropene, composition and methods for using the fluoropropene composition are also disclosed.
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: January 9, 2024
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Mario Joseph Nappa
  • Publication number: 20240002553
    Abstract: A process for polymerizing at least one fluoromonomer in an aqueous medium containing initiator and hydrocarbon dispersing agent to form an aqueous dispersion of particles of fluoropolymer. The hydrocarbon dispersing agent comprises a compound of formula I: R—(XZ)n??I wherein R is a hydrophobic hydrocarbon moiety that comprises one or more saturated or unsaturated, non-cyclic or cyclic aliphatic groups, the percentage of total CH3 groups in relation to the total of CH3, CH2 and CH groups in said one or more aliphatic groups being at least about 70%, said hydrophobic moiety being free of siloxane units; wherein each X may be the same or different and represents an ionic hydrophilic moiety; wherein each Z may be a same or different and represents one or more counter ions for said ionic hydrophilic moiety; and wherein n is 1 to 3.
    Type: Application
    Filed: September 30, 2021
    Publication date: January 4, 2024
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: PHAN LINH TANG, MICHAEL DEEMER, VINCENT FRANCO, STEVEN FURYK, STEPHEN JAMES GETTY, DIPTI DILIP KHASNIS, XIAOLIN LIU, ALEXANDER ANTHONY MARCHIONE, ANDRII MATSNEV, BENJAMIN WEAVER MESSMORE, PETER A. MORKEN, CAMERON PARRISH, ADAM PAUL SMITH, EDWARD PATRICK CAREY
  • Publication number: 20230422436
    Abstract: Disclosed is an immersion cooling unit including an immersion cell, defining an internal cavity. An electrical component is positioned in the internal cavity. A dielectric working fluid partially fills the internal cavity and at least partially immerses the electrical component. A condensing coil, is positioned above the dielectric working fluid. The dielectric working fluid comprises at least one of 1,1,1,2,2,5,5,6,6,6-decafluoro-3-hexene, (HFO-153-10mczz), or 1,1,1,4,5,5,5-heptafluoro-4-trifluoromethyl-2-pentene, (HFO-153-10mzzy).
    Type: Application
    Filed: August 30, 2023
    Publication date: December 28, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: JASON R. JUHASZ, DREW RICHARD BRANDT, LUKE DAVID SIMONI, JONATHAN P. STEHMAN, VIACHESLAV A. PETROV, GUSTAVO POTTKER
  • Patent number: 11851602
    Abstract: The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be an epoxide, fluorinated epoxide or oxetane, or a mixture thereof with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers, and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: December 26, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Andrew Edward Feiring, Viacheslav A Petrov, Barbara Haviland Minor, Mario Joseph Nappa, Nandini C Mouli, Thomas Joseph Leck, Jon Lee Howell
  • Publication number: 20230406790
    Abstract: The present application provides a process of preparing 3,3,3-trifluoroprop-1-ene, comprising reacting 3-chloro-1,1,1-trifluoropropane with a base in an aqueous solvent component in the absence of a phase transfer catalyst.
    Type: Application
    Filed: August 29, 2023
    Publication date: December 21, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC.
    Inventors: XUEHUI SUN, KARL ROBERT KRAUSE
  • Publication number: 20230398385
    Abstract: A method for extinguishing a flame and terminating thermal runaway in a device powered by a lithium ion battery. The disclosure also provides a system for extinguishing fires generated by lithium ion batteries exhibiting thermal runaway.
    Type: Application
    Filed: October 28, 2021
    Publication date: December 14, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: MARK L. ROBIN
  • Publication number: 20230398386
    Abstract: A method for extinguishing a flame and terminating thermal runaway in a device powered by a lithium ion battery. The disclosure also provides a system for extinguishing fires generated by lithium ion batteries exhibiting thermal runaway.
    Type: Application
    Filed: October 28, 2021
    Publication date: December 14, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: MARK L. ROBIN
  • Publication number: 20230398384
    Abstract: A method for extinguishing a flame and terminating thermal runaway in a device powered by a lithium ion battery. The disclosure also provides a system for extinguishing fires generated by lithium ion batteries exhibiting thermal runaway.
    Type: Application
    Filed: October 28, 2021
    Publication date: December 14, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: MARK L. ROBIN
  • Patent number: 11840492
    Abstract: A dehydrohalogenation product includes a hydrochlorofluorocarbon mixture of a fluoroolefin of formula RCX?CZQ and a halofluoroalkane of formula RCXYCZQT. R is a perfluorinated alkyl group and X, Z, and Q are independently H or halogen. One of Y and T is H and the other is Cl, Br, or I. About 80% or greater of the hydrochlorofluorocarbon mixture is the fluoroolefin. The dehydrohalogenation product also includes a caustic agent and a solvent. In some embodiments, the dehydrohalogenation product is free of any catalyst, including any phase transfer catalyst.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: December 12, 2023
    Assignee: THE CHEMOURS COMPANY, FC, LLC
    Inventors: Xuehui Sun, Karl Krause
  • Patent number: 11840657
    Abstract: The present invention relates to a composition comprising HFO-1234yf, or trans-HFO-1234ze, or a mixture thereof; HFC-32; and HFC-152a, HFO-1243zf, or a mixture thereof, wherein said composition is selected from the group consisting of: (I) a first composition, wherein said HFO-1234yf or trans-HFO-1234ze or a mixture thereof is at least 56 weight percent of said first composition; (II) a second composition, wherein said HFC-32 is at most 29 weight percent of said second composition; (III) a third composition, wherein said HFC-152a is at least 56 weight percent said third composition; (IV) a fourth composition, wherein said HFC-32 is at least 56 weight percent of said fourth composition; (V) a fifth composition comprising trans-HFO-1234ze, HFC-32, and HFC-152a, HFO-1243zf, or a mixture thereof; and (VI) a sixth composition, wherein said HFO-1243zf or mixture thereof with HFC-152a is at most 20 weight percent of said sixth composition.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: December 12, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Barbara Haviland Minor, Joachim Gerstel
  • Publication number: 20230383159
    Abstract: The present invention relates to refrigerant compositions comprising at least one fluoroolefin, at least one lubricant and an effective amount of at least one inhibitor wherein the inhibitor is present in the fluoroolefin and the lubricant.
    Type: Application
    Filed: August 14, 2023
    Publication date: November 30, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: SHENG PENG, Luke David Simoni
  • Publication number: 20230374361
    Abstract: Disclosed is a composition comprising difluoromethane (R-32), 2,3,3,3-tetrafluoropropene (R-1234yf), and isobutane (R-600a). A refrigeration system, including a hermetic compressor and a refrigerant composition. The refrigerant composition includes difluoromethane (R-32), 2,3,3,3-tetrafluoropropene (R-1234yf), and isobutane (R-600a).
    Type: Application
    Filed: October 7, 2021
    Publication date: November 23, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: STEPHEN SPLETZER, BARBARA HAVILAND MINOR