Patents by Inventor Mario Joseph Nappa

Mario Joseph Nappa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240101498
    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: Application
    Filed: December 4, 2023
    Publication date: March 28, 2024
    Inventors: Mario Joseph NAPPA, Xuehui SUN, David Richard CORBIN
  • 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
  • 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: 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: 11866634
    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: Grant
    Filed: June 15, 2023
    Date of Patent: January 9, 2024
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Mario Joseph Nappa
  • Patent number: 11851602
    Abstract: The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be an epoxide, fluorinated epoxide or oxetane, or a mixture thereof with other stabilizers. The stabilized compositions may be useful in cooling 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: Grant
    Filed: August 23, 2021
    Date of Patent: December 26, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Andrew Edward Feiring, Viacheslav A Petrov, Barbara Haviland Minor, Mario Joseph Nappa, Nandini C Mouli, Thomas Joseph Leck, Jon Lee Howell
  • Publication number: 20230349598
    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: July 11, 2023
    Publication date: November 2, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: SHENG PENG, MARIO JOSEPH NAPPA
  • Publication number: 20230340313
    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: June 15, 2023
    Publication date: October 26, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: SHENG PENG, MARIO JOSEPH NAPPA
  • Publication number: 20230313012
    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: June 6, 2023
    Publication date: October 5, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: VELLIYUR NOTT MALLIKARJUNA RAO, MARIO JOSEPH NAPPA, ALLEN CAPRON SIEVERT
  • Publication number: 20230303468
    Abstract: A fluoropropene composition comprising Z-1,3,3,3-tetrafluoropropene, E-1,3,3,3-tetrafluoropropene, 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 0.001 to 1.0%. A method of producing the fluoropropene, methods for using the fluoropropene and the composition formed are also disclosed.
    Type: Application
    Filed: May 31, 2023
    Publication date: September 28, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: SHENG PENG, MARIO JOSEPH NAPPA
  • Publication number: 20230278945
    Abstract: An alkoxyvinyl ether is disclosed having the chemical structure RfC(OR)?CHRf?, wherein Rf is an at least partially fluorinated functional group having at least one carbon atom, Rf? is an at least partially fluorinated functional group having at least two carbon atoms, and R is a functional group. A method for preparing an alkoxyvinyl ether is disclosed, comprising RfCFHCFHRf?+KOH/ROH?RfC(OR)?CHRf?, wherein Rf is a perfluoro functional group, Rf? is a perfluoro functional group, and R is an alkyl functional group. Another method for preparing an alkoxyvinyl ether is disclosed, comprising RfCF?CHRf?+KOH/ROH?RfC(OR)?CHRf?, wherein Rf is a perfluoro functional group, Rf? is a perfluoro functional group, and R is an alkyl functional group.
    Type: Application
    Filed: May 12, 2023
    Publication date: September 7, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: VIACHESLAV A. PETROV, MARIO JOSEPH NAPPA, ROBERT DANIEL LOUSENBERG, JOSEPH P. STEHMAN
  • Patent number: 11731925
    Abstract: Disclosed herein is a process comprising contacting a haloalkane reactant with an olefin in the presence of a catalyst system that consists of metallic iron and a phosphine to produce a haloalkane insertion product, wherein said haloalkane reactant is an alkane substituted with at least one halogen selected from the group consisting of F, Cl, and combinations thereof. Also disclosed herein is a process comprising contacting CF3CCl3 with CH2?CHX in the presence of a catalyst system that consists of metallic iron and a phosphine to make CF3CCl2CH2CHClX, wherein X?F or Cl. Also disclosed are further reactions in a sequence to produce HFO-1336ze and HCFO-1335zd. Also disclosed herein is a new composition comprising the compound CF3CF2CH?CHCl.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: August 22, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Mario Joseph Nappa, Andrew Jackson, Robert D. Lousenberg
  • Patent number: 11732932
    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: August 22, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Mario Joseph Nappa
  • Publication number: 20230250326
    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: Application
    Filed: April 13, 2023
    Publication date: August 10, 2023
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: BARRY ASHER MAHLER, MARIO JOSEPH NAPPA
  • Patent number: 11718775
    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: Grant
    Filed: August 23, 2021
    Date of Patent: August 8, 2023
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Mario Joseph Nappa
  • 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