Patents by Inventor Allen Capron Sievert

Allen Capron Sievert 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).

  • Compositions comprising fluoroolefins and uses thereof
    Patent number: 10563107
    Abstract: The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: February 18, 2020
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Mario Joseph Nappa, Barbara Haviland Minor, Allen Capron Sievert
  • 1,2,3,3,3-PENTAFLUROPROPENE PRODUCTION PROCESSES
    Publication number: 20190322917
    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.
    Type: Application
    Filed: July 1, 2019
    Publication date: October 24, 2019
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa, Allen Capron Sievert
  • 1,2,3,3,3-pentafluoropropene production processes
    Patent number: 10392545
    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: October 10, 2013
    Date of Patent: August 27, 2019
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa, Allen Capron Sievert
  • Compositions comprising fluoroolefins and uses thereof
    Patent number: 10329467
    Abstract: The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: June 25, 2019
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Mario Joseph Nappa, Barbara Haviland Minor, Allen Capron Sievert
  • COMPOSITIONS COMPRISING FLUOROOLEFINS AND USES THEREOF
    Publication number: 20180127628
    Abstract: The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.
    Type: Application
    Filed: January 2, 2018
    Publication date: May 10, 2018
    Inventors: Mario Joseph Nappa, Barbara Haviland Minor, Allen Capron Sievert
  • Compositions comprising fluoroolefins and uses thereof
    Patent number: 9890311
    Abstract: The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: February 13, 2018
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Mario Joseph Nappa, Barbara Haviland Minor, Allen Capron Sievert
  • Catalytic hydrogenation of fluoroolefins, alpha-alumina supported palladium compositions and their use as hydrogenation catalysts
    Patent number: 9598336
    Abstract: A hydrogenation process is disclosed. The process involves reacting a fluoroolefin with H2 in a reaction zone in the presence of a palladium catalyst to produce a hydrofluoroalkane product, wherein the palladium catalyst comprises palladium supported on a carrier wherein the palladium concentration is from about 0.001 wt % to about 0.2 wt % based on the total weight of the palladium and the carrier. Also disclosed is a palladium catalyst composition consisting essentially of palladium supported on ?-Al2O3 wherein the palladium concentration is from about 0.001 wt % to about 0.2 wt % based on the total weight of the palladium and the ?-Al2O3. Also disclosed is a hydrogenation process comprising reacting a fluoroolefin with H2 in a reaction zone in the presence of a palladium catalyst to produce a hydrofluoroalkane product, characterized by: the palladium catalyst consisting essentially of palladium supported on ?-Al2O3 wherein the palladium concentration is from about 0.001 wt % to about 0.
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: March 21, 2017
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Patricia Cheung, Allen Capron Sievert, Concetta Lamarca
  • COMPOSITIONS COMPRISING FLUOROOLEFINS AND USES THEREOF
    Publication number: 20170073560
    Abstract: The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.
    Type: Application
    Filed: November 28, 2016
    Publication date: March 16, 2017
    Inventors: MARIO JOSEPH NAPPA, BARBARA HAVILAND MINOR, ALLEN CAPRON SIEVERT
  • Compositions comprising fluoroolefins and uses thereof
    Patent number: 9540557
    Abstract: The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: January 10, 2017
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Mario Joseph Nappa, Barbara Haviland Minor, Allen Capron Sievert
  • Fire extinguishing and fire suppression compositions comprising unsaturated fluorocarbons
    Patent number: 9446270
    Abstract: Disclosed herein are flame suppression compounds and methods of use thereof. The compounds include unsaturated fluorocarbons appropriate for use in fire protection applications.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: September 20, 2016
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Mario Joseph Nappa, Ekaterina N Swearingen, Allen Capron Sievert
  • Compositions comprising fluoroolefins and uses thereof
    Patent number: 9410064
    Abstract: The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: August 9, 2016
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Mario Joseph Nappa, Barbara Haviland Minor, Allen Capron Sievert
  • COMPOSITIONS COMPRISING FLUOROOLEFINS AND USES THEREOF
    Publication number: 20160032164
    Abstract: The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.
    Type: Application
    Filed: October 8, 2015
    Publication date: February 4, 2016
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: MARIO JOSEPH NAPPA, BARBARA HAVILAND MINOR, ALLEN CAPRON SIEVERT
  • AZEOTROPIC COMPOSITIONS OF 2-CHLORO-3,3,3-TRIFLUORO-1-PROPENE WITH HF AND OF 1,1,1,2,2-PENTAFLUOROPROPANE WITH HF
    Publication number: 20150218066
    Abstract: A process is disclosed for making CF3CH2CHF2, CF3CH?CHF and/or CF3CH?CHCl. The process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CHClCH2X, halopropenes of the formula CX3CCl?CH2 and halopropenes of the formula CX2?CClCH2X, wherein each X is independently F or Cl, with HF in a reaction zone to produce a product mixture comprising HF, HCl, CF3CH2CHF2, CF3CH?CHF and CF3CH?CHCl; and recovering the CF3CH2CHF2, CF3CH?CHF and/or CF3CH?CHCl from the product mixture. Also disclosed is a process for making CF3CF2CH3 and/or CF3CF?CH2.
    Type: Application
    Filed: April 11, 2014
    Publication date: August 6, 2015
    Applicant: THE CHEMOURS COMPANY, FC, LLC
    Inventors: VELLIYUR NOTT MALLIKARJUNA RAO, ALLEN CAPRON SIEVERT
  • COMPOSITIONS COMPRISING FLUOROOLEFINS AND USES THEREOF
    Publication number: 20150135745
    Abstract: The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.
    Type: Application
    Filed: January 23, 2015
    Publication date: May 21, 2015
    Inventors: MARIO JOSEPH NAPPA, Barbara Haviland Minor, Allen Capron Sievert
  • Use of copper-nickel catalysts for dehlogenation of chlorofluorocompounds
    Patent number: 9000241
    Abstract: The disclosure describes a process for dehalogenation of chlorofluorocompounds. The process comprises contacting a saturated chlorofluorocompound with hydrogen in the presence of a catalyst at a temperature sufficient to remove chlorine and/or fluorine substituents to produce a fluorine containing terminal olefin.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: April 7, 2015
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Mario Joseph Nappa, Ekaterina N. Swearingen, Allen Capron Sievert, Xuehui Sun
  • METHODS FOR MAKING FOAMS USING BLOWING AGENTS COMPRISING UNSATURATED FLUOROCARBONS
    Publication number: 20150080485
    Abstract: Disclosed herein are blowing agents comprising fluorocarbons and/or hydrofluorocarbons useful in foamable compositions. Also disclosed are methods for forming a foam comprising the aforementioned blowing agents.
    Type: Application
    Filed: November 25, 2014
    Publication date: March 19, 2015
    Inventors: Joseph Anthony Creazzo, Mario Joseph Nappa, Allen Capron Sievert, Ekaterina N Swearingen
  • COMPOSITIONS COMPRISING FLUOROOLEFINS AND USES THEREOF
    Publication number: 20150068227
    Abstract: The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.
    Type: Application
    Filed: November 12, 2014
    Publication date: March 12, 2015
    Inventors: MARIO JOSEPH NAPPA, BARBARA HAVILAND MINOR, ALLEN CAPRON SIEVERT
  • Compositions comprising fluoroolefins and uses thereof
    Patent number: 8911640
    Abstract: The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: December 16, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Mario Joseph Nappa, Barbara Haviland Minor, Allen Capron Sievert
  • Aerosol propellants comprising unsaturated fluorocarbons
    Patent number: 8907145
    Abstract: Disclosed herein are propellants comprising fluorocarbons and/or hydrofluorocarbons. Also disclosed are sprayable compositions comprising the propellants.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: December 9, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Mario Joseph Nappa, Joseph Anthony Creazzo, Allen Capron Sievert, Ekaterina N. Swearingen
  • Process for the manufacture of halocarbons and selected compounds and azeotropes with HF
    Patent number: 8884084
    Abstract: A liquid phase process is disclosed for producing halogenated alkane adducts of the formula CAR1R2CBR3R4 (where A, B, R1, R2, R3, and R4 are as defined in the specification) which involves contacting a corresponding halogenated alkane, AB, with a corresponding olefin, CR1R2?CR3R4 in a dinitrile or cyclic carbonate ester solvent which divides the reaction mixture into two liquid phases and in the presence of a catalyst system containing (i) at least one catalyst selected from monovalent and divalent copper; and optionally (ii) a promoter selected from aromatic or aliphatic heterocyclic compounds which contain at least one carbon-nitrogen double bond in the heterocyclic ring. When hydrochlorofluorocarbons are formed, the chlorine content may be reduced by reacting the hydrochlorofluorocarbons with HF. Azeotropes of CClF2CH2CF3 with HF and azeotropes of CF3CH2CHF2 with HF are also disclosed; as are process for producing such azeotropes.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: November 11, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Ralph Thomas Baker, Ralph Newton Miller, Viacheslav Alexandrovich Petrov, Velliyur N. Mallikarjuna Rao, Allen Capron Sievert