Patents Assigned to THE CHEMOURS COMPANY FC, LLC
  • PROCESS FOR PREPARING 3,3,3-TRIFLUOROPROP-1-ENE
    Publication number: 20230159414
    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: January 9, 2023
    Publication date: May 25, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: Xuehui SUN, Karl Robert KRAUSE
  • Aqueous polymerization of perfluoromonomer using hydrocarbon surfactant
    Patent number: 11655312
    Abstract: A process is provided for the polymerization of fluoromonomer to an dispersion of fluoropolymer particles in an aqueous medium in a polymerization reactor, by (a) providing the aqueous medium in the reactor, (b) adding the fluoromonomer to the reactor, (c) adding initiator to the aqueous medium, the combination of steps (b) and (c) being carried out essentially free of hydrocarbon-containing surfactant and resulting in the kickoff of the polymerization of the fluoromonomer, and (d) metering hydrocarbon-containing surfactant into the aqueous medium after the kickoff of polymerization, e.g. after the concentration of the fluoropolymer in the aqueous medium is at least 0.6 wt %, the metering being at a rate reducing the telogenic activity of said surfactant while maintaining surface activity.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: May 23, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Paul Douglas Brothers, Subhash Vishnu Gangal, Dipti Dilip Khasnis
  • Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropen
    Patent number: 11655406
    Abstract: Disclosed are compositions comprising HCFC-243db, HCFO-1233xf, HCFC-244db and/or HFO-1234yf and at least one 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, 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: Grant
    Filed: October 24, 2022
    Date of Patent: May 23, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Barry Asher Mahler, Mario Joseph Nappa
  • COMPOSITIONS AND PROCESSES FOR PRODUCING CHLOROFLUOROALKENES
    Publication number: 20230142757
    Abstract: A method of making chlorofluorohydrocarbons including, contacting, a fluorinated hydrocarbon reagent in the vapor phase, with hydrogen chloride (HCl). The reaction is conducted in the presence of an effective amount of a catalyst, at an elevated temperature sufficient to effect hydrochlorination to form a reaction mixture including a chlorofluorohydrocarbon.
    Type: Application
    Filed: January 3, 2023
    Publication date: May 11, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: Xuehui SUN
  • METHODS OF IMMERSION COOLING WITH LOW-GWP FLUIDS IN IMMERSION COOLING SYSTEMS
    Publication number: 20230112841
    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: September 29, 2022
    Publication date: April 13, 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
  • Method for exchanging heat in vapor compression heat transfer systems and vapor compression heat transfer systems comprising intermediate heat exchangers with dual-row evaporators or condensers
    Patent number: 11624534
    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: March 29, 2018
    Date of Patent: April 11, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Denis Clodic, Youssef Riachi, Mary E. Koban
  • COMPOSITIONS COMPRISING 2,3-DICHLORO-1,1,1-TRIFLUOROPROPANE, 2-CHLORO-1,1,1-TRIFLUOROPROPENE, 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE OR 2,3,3,3-TETRAFLUOROPROPEN
    Publication number: 20230076289
    Abstract: Disclosed are compositions comprising HCFC-243db, HCFO-1233xf, HCFC-244 db and/or HFO-1234yf and at least one 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-243 fa, ethylene, HFC-23, CFC-13, HFC-143a, HFC-152a, HFC-236fa, HCO-1130, HCO-1130a, HFO-1336, HCFC-133a, HCFC-254fb, CHF?CHCl, HFO-1141, HCFO-1242 zf, 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: October 24, 2022
    Publication date: March 9, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: Barry Asher Mahler, Mario Joseph Nappa
  • PROCESS TO PRODUCE (Z)-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE AND INTERMEDIATES
    Publication number: 20230074227
    Abstract: A method of producing (Z)-1,1,1,4,4,4-hexafluoro-2-butene (Z-1336mzz) is described. The method utilizes readily available halogenated starting materials, including 1,1,1-trichloro-2,2,2-trifluoroethane (CFC-113a) and carbon tetrachloride.
    Type: Application
    Filed: March 3, 2021
    Publication date: March 9, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: SHENG PENG
  • Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3-tetra-chloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane
    Patent number: 11596824
    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: Grant
    Filed: April 18, 2022
    Date of Patent: March 7, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventor: Mario Joseph Nappa
  • COMPOSITIONS COMPRISING 2,3,3,3 TETRAFLUOROPROPENE AND METHODS FOR MAKING AND USING THE COMPOSITIONS
    Publication number: 20230061454
    Abstract: Disclosed are compositions comprising HCFC-244bb and/or HFO-1234yf and at least one additional compound. Compositions comprising HCFC-244bb 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: February 5, 2021
    Publication date: March 2, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: XUEHUI SUN, KARL ROBERT KRAUSE
  • HFO-1234ze, HFO-1225zc and HFO-1234yf compositions and processes for producing and using the compositions
    Patent number: 11592217
    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: April 29, 2022
    Date of Patent: February 28, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Mario Joseph Nappa
  • Process for preparing 3,3,3-trifluoroprop-1-ene
    Patent number: 11584701
    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: Grant
    Filed: August 16, 2022
    Date of Patent: February 21, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Xuehui Sun, Karl Robert Krause
  • REFRIGERANT COMPOSITIONS COMPRISING R-32, R-134A, AND CF3I
    Publication number: 20230048905
    Abstract: The present application relates to compositions comprising difluoromethane (R-32), 1,1,1,2-tetrafluoroethane (R-134a), and trifluoroiodomethane (CF3I), that are useful in refrigeration, air conditioning, or heat pump systems. Methods of replacing a refrigerant selected from R-410A, R-22, and R-134a in refrigeration, air conditioning, or heat pump systems are also provided.
    Type: Application
    Filed: December 11, 2020
    Publication date: February 16, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: JOSHUA HUGHES, BARBARA HAVILAND MINOR
  • SYNTHESIS OF (E)-1,1,1,4,5,5,5-HEPTAFLUORO-4-(TRIFLUOROMETHYL)PENT-2-ENE
    Publication number: 20230052956
    Abstract: The present application relates to processes of preparing (E)-1,1,1,4,5,5,5-heptafluoro-4-(trifluoromethyl)pent-2-ene.
    Type: Application
    Filed: January 22, 2021
    Publication date: February 16, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: Viacheslav A. Petrov, Andrew Jackson, Sheng Peng
  • HFO-1234ZE, HFO-1225ZC and HFO-1234yf compositions and processes for producing and using the compositions
    Patent number: 11578899
    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: June 15, 2022
    Date of Patent: February 14, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Mario Joseph Nappa
  • Method for preparing 1,1,1,2,2-pentafluoropropane
    Patent number: 11572326
    Abstract: A method hydrofluorinates an olefin of the formula: RCX=CYZ to produce a hydrofluoroalkane of formula RCXFCHYZ or RCXHCFYZ, where X, Y, and Z are independently the same or different and are selected from the group consisting of H, F, Cl, Br, and C1-C6 alkyl which is partially or fully substituted with chloro or fluoro or bromo; and R is a C1-C6 alkyl which is unsubstituted or substituted with chloro or fluoro or bromo. The method includes reacting the olefin with HF in the vapor phase, in the presence of SbF5, at a temperature ranging from about ?30° C. to about 65° C. and compositions formed by the process.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: February 7, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Xuehui Sun, Mario Joseph Nappa, Karl Krause
  • Compositions and processes for producing chlorofluoroalkenes
    Patent number: 11565987
    Abstract: A method of making chlorofluorohydrocarbons including, contacting, a fluorinated hydrocarbon reagent in the vapor phase, with hydrogen chloride (HCl). The reaction is conducted in the presence of an effective amount of a catalyst, at an elevated temperature sufficient to effect hydrochlorination to form a reaction mixture including a chlorofluorohydrocarbon.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: January 31, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventor: Xuehui Sun
  • ULTRA-LOW TEMPERATURE ELASTOMERIC FLUOROPOLYMER COMPOSITIONS AND PROCESSES FOR PREPARING THE SAME
    Publication number: 20230015548
    Abstract: An elastomeric fluoropolymer includes the following monomer units: about 45 mol % to about 65 mol % —CF2—CH2—; about 8 mol % to about 30 mol % —CF2—CF2—; about 4.5 mol % to about 25 mol % —CF2—CF(O—CF3)—; and about 6 mol % to about 20 mol % —CF2—CF(O—CF2—CF2—O—(CF2—O)n—CF3)—, where n is 1 or 2. In some embodiments, a composition includes an elastomeric fluoropolymer and at least one additive. In some embodiments, a composition includes a first elastomeric fluoropolymer and a second elastomeric fluoropolymer blended with the first elastomeric fluoropolymer. The first elastomeric fluoropolymer includes the following monomer units: about 45 mol % to about 65 mol % —CF2—CH2—; about 8 mol % to about 30 mol % —CF2—CF2—; about 4.5 mol % to about 25 mol % —CF2—CF(O—CF3)—; and about 6 mol % to about 20 mol % —CF2—CF(O—CF2—CF2—O—(CF2—O)n—CF3)—, where n is 1 or 2.
    Type: Application
    Filed: December 17, 2020
    Publication date: January 19, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: PHAN LINH TANG, PETER A. MORKEN, ERIC CHAUVIGNE, LEE GRANT SPRAGUE, REBECCA JILL DOOLEY, BENJAMIN WEAVER MESSMORE
  • Selective catalytic dehydrochlorination of hydrochlorofluorocarbons
    Patent number: 11547990
    Abstract: A dehydrochlorination process is disclosed. The process involves contacting RfCHClCH2Cl with a chromium oxyfluoride catalyst in a reaction zone to produce a product mixture comprising RfCCl?CH2, wherein Rf is a perfluorinated alkyl group.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: January 10, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventor: Mario Joseph Nappa
  • COMPOSITIONS OF HFO-1234YF AND R-161 AND SYSTEMS FOR USING THE COMPOSITIONS
    Publication number: 20230002658
    Abstract: Environmentally friendly refrigerant blends utilizing blends including 2,3,3,3-tetrafluoropropene (HFO-1234yf) and fluoroethane (HFC-161). The blends have ultra-low GWP, low toxicity, and low flammability with low temperature glide or nearly negligible glide for use in a hybrid, mild hybrid, plug-in hybrid, or full electric vehicles for thermal management (transferring heat from one part of the vehicle to the other) of the passenger compartment providing air conditioning (A/C) or heating to the passenger cabin.
    Type: Application
    Filed: December 17, 2020
    Publication date: January 5, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: MARY E KOBAN, LUKE DAVID SIMONI, XUEHUI SUN, KARL ROBERT KRAUSE