Patents Assigned to THE CHEMOURS COMPANY FC, LLC
  • Patent number: 11970628
    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: July 24, 2017
    Date of Patent: April 30, 2024
    Assignees: THE CHEMOURS COMPANY FC, LLC, CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.
    Inventors: Daisaku Shinohara, Kazuhiko Miyagishima
  • Publication number: 20240132765
    Abstract: The present disclosure relates to refrigeration, air conditioning and heat pump apparatus containing a lubricating composition comprising polyol ester lubricant, tetrafluoropropene and difluoromethane.
    Type: Application
    Filed: January 25, 2022
    Publication date: April 25, 2024
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: LUKE DAVID SIMONI, BARBARA HAVILAND MINOR
  • Publication number: 20240125524
    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: Application
    Filed: November 17, 2023
    Publication date: April 18, 2024
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: DENIS CLODIC, YOUSSEF RIACHI, MARY E. KOBAN
  • Patent number: 11945989
    Abstract: The present invention relates to compositions comprising (E)-1,2,3,3,3-pentafluoro-1-propene (i.e., R-1225ye(E) or HFO-1225ye(E)), HFO-1234yf, R-32, CO2, and, optionally, R-125, and methods of using the HFO-1225ye(E) composition in refrigeration, air conditioning, or heat pump systems, or for replacing R-410A or R-32 in refrigeration, air conditioning, or heat pump systems.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: April 2, 2024
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventor: Barbara Haviland Minor
  • Publication number: 20240101884
    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: Application
    Filed: November 28, 2023
    Publication date: March 28, 2024
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: SHENG PENG, MARIO JOSEPH NAPPA
  • Patent number: 11927373
    Abstract: A fluoropropene composition comprising Z-1,3,3,3-tetrafluoropropene, E-1,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, 2,3,3,3-tetrafluoropropene, and optionally 1,1,1,3,3-pentafluoropropane wherein the 2,3,3,3-tetrafluoropropene being present in an amount of 0.00001 to 1.0%. A method of producing the fluoropropene, methods for using the fluoropropene and the composition formed are also disclosed.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: March 12, 2024
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Mario Joseph Nappa
  • Patent number: 11926754
    Abstract: Provided is a coating film having excellent durability and wear resistance, and utility as mold surface release coating. The coating film has excellent releasability (non-adhesiveness) over a long period of time. Further provided is a coating composition capable of forming such a coating film, the coating composition containing a fluoropolymer and an oil that is a liquid at 25° C., wherein the decomposition temperature of the oil is higher than the melting point of the fluoropolymer.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: March 12, 2024
    Assignees: THE CHEMOURS COMPANY FC, LLC, CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.
    Inventors: Hoai-Nam Pham, Daisaku Shinohara, Takumi Terao, Akihiro Matsui
  • Publication number: 20240076536
    Abstract: A process is disclosed for making CF3CF?CHF. The process involves reacting CF3CClFCCl2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF?CHF. The catalyst has a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina, fluorided alumina, aluminum fluoride and mixtures thereof and the mole ratio of H2 to CF3CClFCCl2F fed to the reaction zone is between about 1:1 and about 5:1. Also disclosed are azeotropic compositions of CF3CClFCCl2F and HF and azeotropic composition of CF3CHFCH2F and HF.
    Type: Application
    Filed: November 10, 2023
    Publication date: March 7, 2024
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: VELLIYUR NOTT MALLIKARJUNA RAO, MARIO JOSEPH NAPPA, ALLEN CAPRON SIEVERT
  • Patent number: 11913681
    Abstract: A fluoropropene composition comprising Z-1,3,3,3-tetrafluoropropene, E-1,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, 2,3,3,3-tetrafluoropropene, and optionally 1,1,1,3,3-pentafluoropropane wherein the 2,3,3,3-tetrafluoropropene being present in an amount of 0.00001 to 1.0%. A method of producing the fluoropropene, methods for using the fluoropropene and the composition formed are also disclosed.
    Type: Grant
    Filed: July 11, 2023
    Date of Patent: February 27, 2024
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Mario Joseph Nappa
  • Patent number: 11912923
    Abstract: A process is disclosed for making CF3CF?CHF. The process involves reacting CF3CClFCCl2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF?CHF. The catalyst has a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina, fluorided alumina, aluminum fluoride and mixtures thereof and the mole ratio of H2 to CF3CClFCCl2F fed to the reaction zone is between about 1:1 and about 5:1. Also disclosed are azeotropic compositions of CF3CClFCCl2F and HF and azeotropic composition of CF3CHFCH2F and HF.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: February 27, 2024
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa, Allen Capron Sievert
  • Patent number: 11912639
    Abstract: Processes for producing Z-1,1,1,4,4,4-hexafluorobut-2-ene and intermediates for producing same. A process for producing 2-chloro-1,1,1,4,4,4-hexafluorobutane comprises contacting 1,1,2,4,4-pentachlorobuta-1,3-diene with HF in the liquid phase in the presence of a fluorination catalyst. A process for producing 2,2-dichloro-1,1,1,4,4,4-hexafluorobutane comprises contacting 2-chloro-1,1,1,4,4,4-hexafluorobutane with a chlorine source. A process for producing 1,1,1,4,4,4-hexafluoro-2-butyne comprises contacting 2,2-dichloro-1,1,1,4,4,4-hexafluorobutane with a base. A process for producing Z-1,1,1,4,4,4-hexafluorobut-2-ene comprises contacting 1,1,1,4,4,4-hexafluoro-2-butyne with hydrogen.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: February 27, 2024
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Allen Capron Sievert
  • Publication number: 20240059913
    Abstract: An object of the present invention is to provide a hot-melt fluorine resin powder coating composition containing a filler, which has a large film thickness that can be coated once, a large limit film thickness for an overcoating, and can be thickly coated. The present invention is a powder coating composition, which is a powder mixture, containing: first hot-melt fluorine resin particles having an average particle diameter of 2 to 100 ?m in which a filler is dispersed in the particles; second hot-melt fluorine resin particles having an average particle diameter of 10 to 200 ?m; and charge controlling agent particles.
    Type: Application
    Filed: February 22, 2022
    Publication date: February 22, 2024
    Applicants: THE CHEMOURS COMPANY FC, LLC, CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD
    Inventors: RYO NAKAZAWA, MASAHIRO TAKEYAMA, HOAI-NAM PHAM, SHUTARO KAMEYAMA
  • 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
  • Patent number: RE49849
    Abstract: A process is disclosed for making CF3CF2CH3, CF3CF?CH2 and/or CF3CCl?CH2. The process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CH2CH2X, halopropenes of the formula CX3CH?CH2 and halopropenes of the formula CX2?CHCH2X, wherein each X is independently F or Cl, with HF and Cl2 in a reaction zone to produce a product mixture comprising HF, HCl, CF3CF2CH3, CF3CF?CH2, and CF3CCl?CH2; and recovering the CF3CF2CH3, CF3CF?CH2 and/or CF3CCl?CH2 from the product mixture. Also disclosed is a process for making CF3CH2CHF2, CF3CH?CHF, and/or CF3CH?CHCl.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: February 27, 2024
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Velliyur Nott Mallikarjuna Rao, Allen Capron Sievert
  • Patent number: RE49896
    Abstract: A method of producing a fluoropropane fluoropropene of formula CF3CH?CHF, comprising contacting a mixture of 1,1,1,3,3-pentafluoropropane and Z-1,3,3,3-tetrafluoropropene in the gas phase with a catalyst comprising at least one catalyst selected from the group consisting of fluorinated Cr2O3 or Cr/Ni on fluoride alumina, in the presence of an oxygen containing gas, to form a mixture comprising Z-1,3,3,3-tetrafluoropropane Z-1,3,3,3-tetrafluoropropene, E-1,3,3,3,-tetrafluoropropene, hydrogen fluoride, and optionally unreacted 1,1,1,3,3-pentafluoropropane, separating the E-1,3,3,3-tetrafluoropropene from the Z-isomer and any unreacted 1,1,1,3,3-pentafluoropropane, if present, and recovering said E-1,3,3,3-tetrafluoropropene.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: April 2, 2024
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Mario Joseph Nappa