Patents Assigned to THE CHEMOURS COMPANY FC, LLC
  • Patent number: 11440981
    Abstract: A process comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent to form an aqueous dispersion of particles of fluoropolymer, the polymerization agent comprising: fluoropolyether acid or salt thereof having a number average molecular weight of at least about 800 g/mol; and fluorosurfactant having the formula: [R1—On-L-A?]Y+ wherein: R1 is a linear or branched partially or fully fluorinated aliphatic group which may contain ether linkages; n is 0 or 1; L is a linear or branched alkylene group which may be nonfluorinated, partially fluorinated or fully fluorinated and which may contain ether linkages; A? is an anionic group selected from the group consisting of carboxylate, sulfonate, sulfonamide anion, and phosphonate; and Y+ is hydrogen, ammonium or alkali metal cation; with the proviso that the chain length of R1—On-L- is not greater than 6 atoms.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: September 13, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Paul Douglas Brothers, Subhash Vishnu Gangal
  • Patent number: 11440860
    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: January 22, 2021
    Date of Patent: September 13, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Xuehui Sun, Karl Krause
  • Publication number: 20220281754
    Abstract: The present invention relates to a process for separating BaCl2 from a CaCl2 brine solution.
    Type: Application
    Filed: July 16, 2020
    Publication date: September 8, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: LISA E. HELBERG
  • Patent number: 11434185
    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: March 31, 2021
    Date of Patent: September 6, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Mario Joseph Nappa, Xuehui Sun, David Richard Corbin
  • Patent number: 11427777
    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: Grant
    Filed: January 5, 2021
    Date of Patent: August 30, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Mary E. Koban, Nina E. Gray, Hubert Mentz, Jr.
  • Publication number: 20220268493
    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: Application
    Filed: April 29, 2022
    Publication date: August 25, 2022
    Applicant: The Chemours Company FC, LLC
    Inventors: Sheng Peng, Mario Joseph Nappa
  • Publication number: 20220267656
    Abstract: The present application relates to compositions comprising difluoromethane (R-32), trifluoroiodomethane (CF3I), and carbon dioxide (CO2), that are useful in refrigeration, air conditioning, or heat pump systems. Methods of replacing a refrigerant selected from R-410A and R-32 in refrigeration, air conditioning, or heat pump systems are also provided.
    Type: Application
    Filed: August 21, 2020
    Publication date: August 25, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: JOSHUA HUGHES, BARBARA HAVILAND MINOR
  • Publication number: 20220234971
    Abstract: A process is provided comprising contacting and reacting the compound CF3CF2CHXC, wherein X is H or Cl, or the compound CF3CF=CXCl, wherein X is H or Cl, with hydrogen in the presence of a catalyst consisting essentially of Cu, Ru, Cu—Pd, Ni—Cu, and Ni—Pd, to obtain as a result thereof reaction product comprising hydrofluoropropenes or intermediates convertible to said hydrofluoropropenes, notably CF3CF=CH2 and CF3CH=CHF.
    Type: Application
    Filed: April 18, 2022
    Publication date: July 28, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: XUEHUI SUN
  • Publication number: 20220233901
    Abstract: The present disclosure relates to compositions comprising 2,3,3,3-tetrafluoropropene that may be useful as heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, extinguishing agents, and fire suppression agents in liquid or gaseous form. Additionally, the present disclosure relates to compositions comprising 1,1,2,3-tetrachloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane, which may be useful in processes to produce 2,3,3,3-tetrafluoropropene.
    Type: Application
    Filed: April 18, 2022
    Publication date: July 28, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: Mario Joseph Nappa
  • Publication number: 20220235254
    Abstract: A refrigeration system, including a low back pressure (LBP) hermetic reciprocating compressor and a refrigerant composition. The refrigerant composition includes difluoromethane (R-32), and 2,3,3,3-tetrafluoropropene (R-1234yf).
    Type: Application
    Filed: May 15, 2020
    Publication date: July 28, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: STEPHEN SPLETZER, BARBARA HAVILAND MINOR
  • Publication number: 20220235192
    Abstract: This invention relates to the use of HFO-1336mzz-Z/cyclopentane blends as blowing agents for thermoplastic polymers (e.g., polystyrene).
    Type: Application
    Filed: May 29, 2020
    Publication date: July 28, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: KONSTANTINOS KONTOMARIS
  • Publication number: 20220235193
    Abstract: This invention relates to the use blends comprising HFO-1336mzz-Z, methyl formate, and optionally, HFC-152a as blowing agents for thermoplastic polymers (e.g., polystyrene).
    Type: Application
    Filed: June 23, 2020
    Publication date: July 28, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: KONSTANTINOS KONTOMARIS
  • Patent number: 11390830
    Abstract: The present application provides compositions comprising 1,2-dichloro-1,2-difluoroethylene (i.e., CFO-1112) and, optionally, an additional component. The present application further provides use of the compositions provided herein in cleaning, solvent, carrier fluid, and deposition applications.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: July 19, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Luke David Simoni, Harrison K Musyimi, Viacheslav A Petrov
  • Patent number: 11390785
    Abstract: In accordance with the present invention refrigerant compositions are disclosed. The compositions comprise a refrigerant mixture consisting essentially of HFC-32, HFO-1234yf, and CO2. The compositions are useful in processes to produce cooling and heating, in methods for replacing refrigerant R-32, and in refrigeration, air conditioning or heat pump systems. These inventive compositions are match cooling performance for R-32 with GWP less than 400 or less than 300.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: July 19, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Joshua Hughes, Barbara Haviland Minor
  • Patent number: 11390574
    Abstract: The present application provides processes and intermediates for preparing (E)-1,1,1,4,4,4-hexafluoro-2-butene and compositions which may be useful in applications including refrigerants, high-temperature heat pumps, organic Rankine cycles, as fire extinguishing/fire suppression agents, propellants, foam blowing agents, solvents, and/or cleaning fluids.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: July 19, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Viacheslav A. Petrov
  • Publication number: 20220213369
    Abstract: A process for transferring heat including providing an article and contacting the article with a heat transfer media. The heat transfer media includes a composition formed by the process of, contacting a compound of formula (1), RfCH?CHF, with a fluorinated ethylene compound of formula (2), CX1X2?CX3X4 in the presence of a Lewis acid catalyst. In the compound of formula (1) Rf is a C1-C10 perfluorinated alkyl group. In the compound of formula (2) X1, X2, X3, and X4 are each independently H, Cl, or F and at least one of X1, X2, X3, and X4 is F. The resulting composition comprises a compound of formula (3), RfCF3(CX5X6CX7X8)nCH?CHCX9X10CX11X12F. In the compound of formula (3), X5, X6, X7, X8, X9, X10, X11, and X12 are each independently H, Cl, or F, and n is an integer of 0 or 1.
    Type: Application
    Filed: April 17, 2020
    Publication date: July 7, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: VIACHESLAV A. PETROV, KONSTANTINOS KONTOMARIS, LUKE DAVID SIMONI
  • Publication number: 20220204828
    Abstract: Disclosed are compositions comprising HCFC-243db, HCFO-1233xf, HCFC-244db and/or HFO-1234yf and at least one to additional compound. For the composition comprising 1234yf, the additional compound is selected from the group consisting of HFO-1234ze, HFO-1243zf, HCFC-243db, HCFC-244db, HFC-245cb, HFC-245fa, HCFO-1233xf, HCFO-1233zd, HCFC-253fb, HCFC-234ab, HCFC-243fa, ethylene, HFC-23, CFC-13, HFC-143a, HFC-152a, HFC-236fa, is HCO-1130, HCO-1130a, HFO-1336, HCFC-133a, HCFC-254fb, CHF=CHCl, HFO-1141, HCFO-1242zf, HCFO-1223xd, HCFC-233ab, HCFC-226ba, and HFC-227ca. Compositions comprising HCFC-243db, HCFO-1233xf, and/or HCFC-244db are useful in processes to make HFO-1234yf. Compositions comprising HFO-1234yf are useful, among other uses, as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: BARRY ASHER MAHLER, MARIO JOSEPH NAPPA
  • Publication number: 20220203149
    Abstract: Disclosed is a mixture comprising the compound trans-1,1,1,4,4,4-hexafluoro-2-butene and at least one additional compound selected from the group consisting of HFOs, HFCs, HFEs, CFCs, CO2, olefins, organic acids, alcohols, hydrocarbons, ethers, aldehydes, ketones, and others such as methyl formate, formic acid, trans-1,2 dichloroethylene, carbon dioxide, cis-HFO-1234ze+HFO-1225yez, mixtures of these plus water; mixtures of these plus CO2; mixtures of these trans 1,2-dichloroethylene (DCE); mixtures of these plus methyl formate; mixtures with cis-HFO-1234ze+CO2, mixtures with cis-HFO-1234ze+HFO-1225yez+CO2, and mixtures with cis-HFO-1234ze+HFC-245fa. Also disclosed are methods of using and products of using the above compositions as blowing agents, solvents, heat transfer compositions, aerosol propellant compositions, fire extinguishing and suppressant compositions.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: MARK L. ROBIN, KONSTANTINOS KONTOMARIS
  • Patent number: 11374276
    Abstract: A Li-ion battery is provided in combination with fluorinated material positioned effective to abate combustion by said battery, the fluorinated material being normally non-gaseous and non-liquid and being itself effective to provide the combustion abatement by said battery, such fluorinated material being is such forms as the material of construction of the battery case containing the battery, film wrapped around said battery, and/or semi-solid material at least proximate to the battery, such as by forming a coating on said battery or said film on said battery.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: June 28, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Dennis J. Kountz, James R. Hoover, George Martin Pruce
  • Publication number: 20220194882
    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 phases. A process for producing E-1,1,1,4,4,4-hexafluorobut-2-ene comprises contacting 2-chloro-1,1,1,4,4,4-hexafluorobutane with base. A process for producing 2,3-dichloro-1,1,1,4,4,4-hexafluorobutane comprises contacting E-1,1,1,4,4,4-hexafluorobut-2-ene with a chlorine source. A process for producing 1,1,1,4,4,4-hexafluoro-2-butyne comprises contacting 2,3-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 and a catalyst.
    Type: Application
    Filed: April 3, 2020
    Publication date: June 23, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: SHENG PENG, ALLEN CAPRON SIEVERT