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    Catalysts and process to manufacture 2,3,3,3-tetrafluoropropene
    6.
    发明授权
    Catalysts and process to manufacture 2,3,3,3-tetrafluoropropene 有权
    催化剂和制备2,3,3,3-四氟丙烯的方法

    公开(公告)号：US08487145B2

    公开(公告)日：2013-07-16

    申请号：US13417582

    申请日：2012-03-12

    Applicant: Mario Joseph Nappa ,  Andrew Jackson

    Inventor： Mario Joseph Nappa ,  Andrew Jackson

    IPC: C07C17/00

    CPC classification number: C07C17/25 ,  B01J23/26 ,  B01J35/1019 ,  C07C21/18

    Abstract: Disclosed is a process for the manufacture of 2,3,3,3-tetrafluoropropene comprising: (a) contacting 1,1,1,2,3-pentafluoropropane with a catalyst comprised of chromium (III) oxide having a surface area of at least 150 m2/g and having an alkali metal loading of at least 7 milligrams of alkali metal per 100 square meters of catalyst surface area, to produce a product mixture comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride; and (b) recovering said 2,3,3,3-tetrafluoropropene from the product mixture produced in (a).

    Abstract translation: 公开了一种制备2,3,3,3-四氟丙烯的方法，包括：（a）将1,1,1,2,3-五氟丙烷与由表面积为 至少150m2 / g，并且每100平方米的催化剂表面积具有至少7毫克碱金属的碱金属负荷，以产生包含2,3,3,3-四氟丙烯和氟化氢的产物混合物; 和（b）从（a）中制备的产物混合物回收所述2,3,3,3-四氟丙烯。

    Process for making 1,1,1,4,4,4-Hexafluoro-2-butene
    7.
    发明授权
    Process for making 1,1,1,4,4,4-Hexafluoro-2-butene 有权
    制备1,1,1,4,4,4-六氟-2-丁烯的方法

    公开(公告)号：US08436216B2

    公开(公告)日：2013-05-07

    申请号：US12922858

    申请日：2009-03-18

    Applicant: Xuehui Sun ,  Mario Joseph Nappa ,  Win-Chung Lee

    Inventor： Xuehui Sun ,  Mario Joseph Nappa ,  Win-Chung Lee

    IPC: C07C21/00 ,  C07C17/00 ,  C22C9/00

    CPC classification number: C07C17/269 ,  C07C21/18

    Abstract: A process is disclosed for making 1,1,1,4,4,4-hexafluoro-2-butene. The process involves reacting 2,2-dichloro-1,1,1-trifluoroethane with copper in the presence of an amide solvent and 2,2′-bipyridine. A process is also disclosed for making 1,1,1,4,4,4-hexafluoro-2-butene. The process involves reacting 2,2-dichloro-1,1,1-trifluoroethane with copper in the presence of an amide solvent and a Cu(I) salt. A process is further disclosed for making 1,1,1,4,4,4-hexafluoro-2-butene. The process involves reacting 2,2-dichloro-1,1,1-trifluoroethane with copper in the presence of an amide solvent, 2,2′-bipyridine and a Cu(I) salt.

    Abstract translation: 公开了制备1,1,1,4,4,4-六氟-2-丁烯的方法。 该方法包括在酰胺溶剂和2,2'-联吡啶的存在下使2,2-二氯-1,1,1-三氟乙烷与铜反应。 还公开了制备1,1,1,4,4,4-六氟-2-丁烯的方法。 该方法包括在酰胺溶剂和Cu（I）盐的存在下使2,2-二氯-1,1,1-三氟乙烷与铜反应。 进一步公开了制备1,1,1,4,4,4-六氟-2-丁烯的方法。 该方法包括在酰胺溶剂，2,2'-联吡啶和Cu（I）盐的存在下使2,2-二氯-1,1,1-三氟乙烷与铜反应。

    Thiol and thioether stabilizers for fluoroolefins
    8.
    发明授权
    Thiol and thioether stabilizers for fluoroolefins 失效
    用于氟烯烃的硫醇和硫醚稳定剂

    公开(公告)号：US08394286B2

    公开(公告)日：2013-03-12

    申请号：US12377708

    申请日：2007-08-31

    Applicant: Thomas J. Leck ,  Barbara Haviland Minor ,  Mario Joseph Nappa ,  Nandini C. Mouli

    Inventor： Thomas J. Leck ,  Barbara Haviland Minor ,  Mario Joseph Nappa ,  Nandini C. Mouli

    IPC: C09K5/04

    CPC classification number: C09K5/045 ,  C09K2205/126

    Abstract: The present disclosure relates to compositions comprising at least one fluoroolefin and an effective amount of a stabilizer comprising at least one thiol or thioether, or mixtures thereof. 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.

    Abstract translation: 本公开涉及包含至少一种氟烯烃和有效量的包含至少一种硫醇或硫醚的稳定剂或其混合物的组合物。 稳定的组合物可用于冷却装置，例如制冷，空调，冷却器和热泵，以及作为泡沫发泡剂，溶剂，气溶胶推进剂，灭火剂和灭菌剂的应用。

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