Patents Assigned to THE CHEMOURS COMPANY FC, LLC
  • PROCESSES FOR PRODUCING Z-1,1,1,4,4,4-HEXAFLUOROBUT-2-ENE AND INTERMEDIATES FOR PRODUCING SAME
    Publication number: 20220194881
    Abstract: A process for producing Z-1,1,1,4,4,4-hexafluorobut-2-ene comprises contacting 1,1,2,4,4-pentachlorobuta-1,3-diene with hydrogen fluoride in the vapor phase in the presence of a fluorination catalyst comprising a metal halide to produce E- and Z-1,1,1,4,4,4-hexafluoro-2-chloro-2-butene. A process for producing Z-1,1,1,4,4,4-hexafluorobut-2-ene further comprises contacting E- and Z-1,1,1,4,4,4-hexafluoro-2-chloro-2-butene with base to produce 1,1,1,4,4,4-hexafluoro-2-butyne, and subsequently hydrogenating hexafluoro-2-butyne to produce Z-1,1,1,4,4,4-hexafluoro-2-butene.
    Type: Application
    Filed: April 3, 2020
    Publication date: June 23, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: SHENG PENG, ALLEN CAPRON SIEVERT
  • STABILIZED FLUOROOLEFIN COMPOSITIONS AND METHODS FOR THEIR PRODUCTION, STORAGE AND USAGE
    Publication number: 20220195276
    Abstract: The present invention relates to compositions comprising at least one fluoroolefin, HFC-32, and an effective amount of at least one inhibitor. The stabilized compositions may be useful in cooling and heating 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: Application
    Filed: October 29, 2019
    Publication date: June 23, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: SHENG PENG, JIAN SUN-BLANKS, BRIAN E. KIPP, BARBARA HAVILAND MINOR
  • COMPOSITIONS CONTAINING DIFLUOROMETHANE, TETRAFLUOROPROPENE, AND CARBON DIOXIDE AND USES THEREOF
    Publication number: 20220195279
    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 as refrigerants in processes to produce cooling and heating, in methods for replacing refrigerant R-410A, and in refrigeration, air conditioning or heat pump systems. These inventive compositions match cooling capacity for R-410A within ±10% with GWP less than 350 or less than 300.
    Type: Application
    Filed: March 14, 2022
    Publication date: June 23, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: JOSHUA HUGHES, Barbara Haviland MINOR
  • PROCESSES FOR PRODUCING Z-1,1,1,4,4,4-HEXAFLUOROBUT-2-ENE AND INTERMEDIATES FOR PRODUCING SAME
    Publication number: 20220194879
    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: Application
    Filed: April 3, 2020
    Publication date: June 23, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: SHENG PENG, ALLEN CAPRON SIEVERT
  • HFO-1234ZE, HFO-1225ZC and HFO-1234YF compositions and processes for producing and using the compositions
    Patent number: 11365908
    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: November 29, 2021
    Date of Patent: June 21, 2022
    Assignee: THEM CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Mario Joseph Nappa
  • LEWIS ACID CATALYSED SYNTHESIS OF 1,2-BIS(PERFLUOROALKYL)ETHYLENES
    Publication number: 20220185749
    Abstract: A method of producing a fluoroolefin includes 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, n is an integer of 0 or 1, and the total number of each of H, Cl, and F corresponds to the total number of each of H, Cl, and F provided by the fluorinated ethylene compound of formula (2).
    Type: Application
    Filed: April 17, 2020
    Publication date: June 16, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: VIACHESLAV A PETROV, ROBERT DANIEL LOUSENBERG
  • Hydrophobic extenders in fluorinated surface effect coatings
    Patent number: 11359099
    Abstract: The present invention relates to a coated article comprising a partial or complete fluorinated coating on the surface of an article, wherein the coating comprises 5 to 99% by weight of a hydrophobic compound, and 1 to 95% by weight of a fluorinated surface effect agent, both based on the total solids weight of the coating, where the hydrophobic compound is selected from a hydrophobic cyclic or acyclic ester alcohol.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: June 14, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Gerald Oronde Brown, John Christopher Sworen, Tess Crosetto, Charles Karanja
  • Compositions containing difluoromethane, tetrafluoropropene, and carbon dioxide and uses thereof
    Patent number: 11359123
    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 as refrigerants in processes to produce cooling and heating, in methods for replacing refrigerant R-410A, and in refrigeration, air conditioning or heat pump systems. These inventive compositions match cooling capacity for R-410A within 20% with GWP less than 250 or less than 200.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: June 14, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Joshua Hughes, Barbara Haviland Minor
  • PROCESS AND APPARATUS FOR QUANTIFYING SOLID RESIDUE ON A SUBSTRATE
    Publication number: 20220178808
    Abstract: The present invention relates to a process and apparatus for quantifying solid residue on a sample. The process includes using a solid substrate and an aerosolizing device, adding a solid material to the aerosolizing device, forming a particle cloud of solid particles, wherein at least 1% of the mass concentration of solid particles have a mass median aerodynamic particle diameter up to about 10 ?m, thus applying the solid particles to the solid substrate(s) to form treated substrate(s), maintaining at a temperature of from about 30 to about 120° C. for at least a portion of the process, and removing a portion of solid particles from the treated substrate(s), and analyzing said at least one sample. The present invention further comprises an apparatus for applying solid particles to a substrate. The process can be used, for example, to analyze the dirt pickup resistance of a solid sample.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 9, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: SCOTT C. BROWN, DANIEL C. KRAITER, PETER JERNAKOFF, CARLOS ALEXIS VELEZ, MICHAEL PATRICK DIEBOLD
  • HEAT TRANSFER COMPOSITIONS COMPRISING R-1225YE(E), HFO-1234YF, R-32, R-125 AND CO2
    Publication number: 20220169902
    Abstract: The present application relates to compositions comprising (E)-1,2,3,3,3-pentafluoro-1-propene (i.e., R-1225ye(E) or HFO-1225ye(E)), (E)-1,2,3,3,3-pentafluoro-1-propene, HFO-1234yf, R-32, CO2, and, optionally, R-125, that are useful in refrigeration, air conditioning, or heat pump systems. Methods of replacing R-410A or R-32 in refrigeration, air conditioning, or heat pump systems are also provided.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 2, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: BARBARA HAVILAND MINOR
  • METHODS FOR DETERMINING PHOTOSENSITIVE PROPERTIES OF A MATERIAL
    Publication number: 20220170844
    Abstract: This invention provides methods for determining photosensitive properties of product materials by exposing the product materials to controlled light exposures and measuring for changes in the product materials to quantify light sensitivity.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 2, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: CHERYL MARIE STANCIK, DENISE CONNER, TODD ROBERT EATON
  • PROCESS FOR PRODUCING 1,1,1,4,4,4-HEXAFLUOROBUT-2-ENE
    Publication number: 20220162141
    Abstract: A process for producing E-1,1,1,4,4,4-hexafluorobut-2-ene comprises contacting 1,1,2,4,4-pentachlorobuta-1,3-diene with hydrogen fluoride in the vapor phase in the presence of a fluorination catalyst. A process for producing Z-1,1,1,4,4,4-hexafluorobut-2-ene further comprises contacting E-1,1,1,4,4,4-hexafluoro-2-butene with chlorine in the presence of a catalyst to produce 2,3-dichloro-1,1,1,4,4,4-hexafluorobutane, followed by reaction with base to produce 1,1,1,4,4,4-hexafluoro-2-butyne, and subsequently hydrogenating hexafluoro-2-butyne to produce Z-1,1,1,4,4,4-hexafluoro-2-butene.
    Type: Application
    Filed: April 3, 2020
    Publication date: May 26, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: SHENG PENG, ALLEN CAPRON SIEVERT
  • HEAT TRANSFER COMPOSITIONS COMPRISING R-1225YE(E), HFO-1234YF, R-32, R-125, AND CO2
    Publication number: 20220162488
    Abstract: The present application 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, and, one or more additional components selected from R-125 and CO2, that are useful in refrigeration, air conditioning, or heat pump systems. Methods of replacing R-22, R-407C, or R-404A in refrigeration, air conditioning, or heat pump systems are also provided.
    Type: Application
    Filed: March 3, 2020
    Publication date: May 26, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventor: BARBARA HAVILAND MINOR
  • Substrate coated with non-stick coating resistant to abrasion and scratching
    Patent number: 11339305
    Abstract: A substrate coated with a non-stick fluoropolymer coating is provided, the coating having excellent abrasion and scratch resistance. The coating contains: i.) a continuous primer layer adhered to the substrate containing a polymer binder, a first fluoropolymer and first inorganic film hardner particles, ii.) a discontinuous midcoat layer containing aggregate particles adhered to the primer layer and distributed discontinuously across the surface of the primer layer so as to reveal exposed areas of the surface of the primer layer, wherein a portion of the aggregate particles are in clusters, and wherein the aggregate particles contain second fluoropolymer and second inorganic film hardner particles, and iii.) a topcoat layer containing a third fluoropolymer adhered to the midcoat layer and the exposed areas of the surface of the primer layer at points where there is no midcoat layer.
    Type: Grant
    Filed: February 4, 2018
    Date of Patent: May 24, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Philippe Andre Fernand Thomas, Wim Marie-Thérèse Jacques Beatse
  • REFRIGERANT BLENDS IN FLOODED SYSTEMS
    Publication number: 20220154057
    Abstract: A refrigeration system including a flooded evaporator. The flooded evaporator additionally includes a liquid evaporator refrigerant composition and a vapor evaporator refrigerant composition. The liquid refrigerant composition includes difluoromethane (HFC-32), and 2,3,3,3-tetrafluoropropene (R-1234yf) and the vapor refrigerant composition includes difluoromethane (HFC-32), and 2,3,3,3-tetrafluoropropene (R-1234yf). The mass fraction of difluoromethane in the liquid evaporator refrigerant composition is lower than the mass fraction of difluoromethane in the vapor evaporator refrigerant composition and the mass fraction of 2,3,3,3-tetrafluoropropene in the liquid evaporator refrigerant composition is greater than the mass fraction of 2,3,3,3-tetrafluoropropene in the vapor evaporator refrigerant composition.
    Type: Application
    Filed: April 28, 2020
    Publication date: May 19, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: CHARLES CLINTON ALLGOOD, BARBARA HAVILAND MINOR, LUKE DAVID SIMONI, DAVID MATTHEW SNYDER
  • Conversion of chlorofluororopanes and chlorofluropropenes to more desirable fluoropropanes and fluororopenes
    Patent number: 11332424
    Abstract: A process is provided comprising contacting and reacting the compound CF3CF2CHXCl, 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: Grant
    Filed: September 18, 2020
    Date of Patent: May 17, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventor: Xuehui Sun
  • 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: 11331525
    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: May 21, 2020
    Date of Patent: May 17, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventor: Mario Joseph Nappa
  • MULTILAYER CATION EXCHANGE CHLORALKALI MEMBRANE
    Publication number: 20220136118
    Abstract: A multilayer cation exchange membrane for use in a chloralkali process comprising an carboxylate layer comprising a fluorinated ionomer containing carboxylate groups on one side of the membrane, an exterior sulfonate layer comprising a fluorinated ionomer containing sulfonate groups on the side of the membrane opposite the carboxylate layer, and an interior sulfonate layer comprising a fluorinated ionomer containing to sulfonate groups between the carboxylate layer and the exterior sulfonate layer, the exterior sulfonate layer having an ion exchange ratio greater than about 11.3, and the interior sulfonate layer having an ion exchange ratio less than about 11.
    Type: Application
    Filed: February 13, 2020
    Publication date: May 5, 2022
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: RANDAL L PERRY, MURAT UNLU, JACK CHRISTOPHER BRADY, DOUGLAS GLENN EWART, TIMOTHY EDWARD HOPKINS, RALPH BIRCHARD LLOYD, MARK ROBERT MCKEEVER
  • Refrigerant mixtures comprising difluoromethane, pentafluoroethane, tetrafluoroethane, tetrafluoropropene, and carbon dioxide and uses thereof
    Patent number: 11312891
    Abstract: In accordance with the present invention refrigerant compositions are disclosed. The compositions comprise HFC-32, HFC-125, HFO-1234yf, HFC-134a, and CO2. The refrigerant compositions are useful in processes to produce cooling and heating, in methods for replacing refrigerant R-410A or R-22, and in refrigeration, air conditioning or heat pump systems. These inventive compositions are non-flammable and match cooling performance for R-22 and R-410A within ±15%. Additionally, these compositions may serve as replacements for R-404A, R-507, R407A, R407C and/or R-407F in refrigeration, air conditioning or heat pump systems. The compositions as described herein have unexpected flammability properties.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: April 26, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Barbara Haviland Minor, Joshua Hughes
  • 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-tetrafluoropropene
    Patent number: 11312890
    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: April 19, 2021
    Date of Patent: April 26, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Barry Asher Mahler, Mario Joseph Nappa