Patents Assigned to THE CHEMOURS COMPANY FC, LLC
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Patent number: 11970628Abstract: 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: GrantFiled: July 24, 2017Date of Patent: April 30, 2024Assignees: THE CHEMOURS COMPANY FC, LLC, CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.Inventors: Daisaku Shinohara, Kazuhiko Miyagishima
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Publication number: 20240132765Abstract: The present disclosure relates to refrigeration, air conditioning and heat pump apparatus containing a lubricating composition comprising polyol ester lubricant, tetrafluoropropene and difluoromethane.Type: ApplicationFiled: January 25, 2022Publication date: April 25, 2024Applicant: THE CHEMOURS COMPANY FC, LLCInventors: LUKE DAVID SIMONI, BARBARA HAVILAND MINOR
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Publication number: 20240125524Abstract: 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: ApplicationFiled: November 17, 2023Publication date: April 18, 2024Applicant: THE CHEMOURS COMPANY FC, LLCInventors: DENIS CLODIC, YOUSSEF RIACHI, MARY E. KOBAN
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Patent number: 11945989Abstract: 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: GrantFiled: March 3, 2020Date of Patent: April 2, 2024Assignee: THE CHEMOURS COMPANY FC, LLCInventor: Barbara Haviland Minor
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Publication number: 20240101884Abstract: 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: ApplicationFiled: November 28, 2023Publication date: March 28, 2024Applicant: THE CHEMOURS COMPANY FC, LLCInventors: SHENG PENG, MARIO JOSEPH NAPPA
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Patent number: 11927373Abstract: 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: GrantFiled: January 26, 2023Date of Patent: March 12, 2024Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Sheng Peng, Mario Joseph Nappa
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Patent number: 11926754Abstract: 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: GrantFiled: May 20, 2019Date of Patent: March 12, 2024Assignees: THE CHEMOURS COMPANY FC, LLC, CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.Inventors: Hoai-Nam Pham, Daisaku Shinohara, Takumi Terao, Akihiro Matsui
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Publication number: 20240076536Abstract: 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: ApplicationFiled: November 10, 2023Publication date: March 7, 2024Applicant: THE CHEMOURS COMPANY FC, LLCInventors: VELLIYUR NOTT MALLIKARJUNA RAO, MARIO JOSEPH NAPPA, ALLEN CAPRON SIEVERT
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Patent number: 11913681Abstract: 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: GrantFiled: July 11, 2023Date of Patent: February 27, 2024Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Sheng Peng, Mario Joseph Nappa
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Patent number: 11912923Abstract: 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: GrantFiled: June 6, 2023Date of Patent: February 27, 2024Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa, Allen Capron Sievert
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Patent number: 11912639Abstract: 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: GrantFiled: April 3, 2020Date of Patent: February 27, 2024Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Sheng Peng, Allen Capron Sievert
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Publication number: 20240059913Abstract: 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: ApplicationFiled: February 22, 2022Publication date: February 22, 2024Applicants: THE CHEMOURS COMPANY FC, LLC, CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTDInventors: RYO NAKAZAWA, MASAHIRO TAKEYAMA, HOAI-NAM PHAM, SHUTARO KAMEYAMA
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Publication number: 20240059945Abstract: 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: ApplicationFiled: November 3, 2023Publication date: February 22, 2024Applicant: THE CHEMOURS COMPANY FC, LLCInventors: Barbara Haviland Minor, Joachim Gerstel
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Patent number: 11905226Abstract: 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: GrantFiled: July 28, 2022Date of Patent: February 20, 2024Assignee: THE CHEMOURS COMPANY FC LLCInventors: Mario Joseph Nappa, Xuehui Sun, David Richard Corbin
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Patent number: 11904301Abstract: 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: GrantFiled: September 6, 2019Date of Patent: February 20, 2024Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Xuehui Sun, Mario Joseph Nappa, Karl Krause
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Patent number: 11879066Abstract: 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: GrantFiled: November 12, 2021Date of Patent: January 23, 2024Assignees: THE CHEMOURS COMPANY FC, LLC, CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTDInventors: Daisaku Shinohara, Kazuhiko Miyagishima
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Publication number: 20240018438Abstract: 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: ApplicationFiled: September 26, 2023Publication date: January 18, 2024Applicant: The Chemours Company FC, LLCInventors: MARY E KOBAN, Nina E GRAY, Hubert MENTZ, JR.
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Publication number: 20240018402Abstract: 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: ApplicationFiled: September 21, 2023Publication date: January 18, 2024Applicant: THE CHEMOURS COMPANY FC, LLCInventors: MARY E. KOBAN, LUKE DAVID SIMONI
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Patent number: RE49849Abstract: 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: GrantFiled: November 25, 2014Date of Patent: February 27, 2024Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Velliyur Nott Mallikarjuna Rao, Allen Capron Sievert
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Patent number: RE49896Abstract: 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: GrantFiled: December 9, 2021Date of Patent: April 2, 2024Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Sheng Peng, Mario Joseph Nappa