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    • 71. 发明申请
      US20100025620A1 PROCESSES FOR PRODUCING AND COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE AND/OR 1,2,3,3- TETRAFLUOROPROPENE 失效
    • PROCESSES FOR PRODUCING AND COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE AND/OR 1,2,3,3- TETRAFLUOROPROPENE
    • 包含2,3,3,3-四氢呋喃和/或1,2,3,3-四氢呋喃的生产和组合物的方法
    • US20100025620A1
    • 2010-02-04
    • US12442952
    • 2007-10-31
    • Mario Joseph Nappa , Velliyur Mallikarjuna Nott Rao , Allen Capron Sievert
    • Mario Joseph Nappa , Velliyur Mallikarjuna Nott Rao , Allen Capron Sievert
    • C09K5/00 , C07C17/23
    • C07C21/18 , C07C17/23 , C07C17/25 , C07C17/278 , C09K3/30 , C09K5/045 , C09K2205/126 , C07C19/10
    • A process is disclosed for making CF3CF═CH2 or mixtures thereof with CHF═CFCHF2. The process involves contacting CCl3CF2CF3 and optionally CCl2FCF2CClF2 with H2 in the presence of a catalyst including a catalytically effective amount of palladium supported on a support of alumina, fluorided alumina and/or aluminum fluoride, to produce a product mixture including CH2═CFCF3 (and when CCl2FCF2CClF2 is present, CHF═CFCHF2); recovering CH2═CFCF3 or a mixture thereof with CHF═CFCHF2 from the product mixture; and optionally, separating at least a portion of any CHF═CFCHF2 in the product mixture from the CH2═CFCF3 in the product mixture. The mole ratio of H2 to the total of CCl3CF2CF3 and CCl2FCF2CClF2 fed to the reaction zone is between about 1:1 and about 5:1. The present invention also provides another process for making CH2═CFCF3 or mixtures thereof with CHF═CFCHF2 This process involves (a) reacting CCl3CF2CF3 and optionally CCl2FCF2CClF2 with H2 in the presence of a catalytically effective amount of a hydrogenation catalyst to form CH3CF2CF3 (and when CCl2FCF2CClF2 is present, CH2FCF2CHF2); (b) dehydrofluorinating CH3CF2CF3 and optionally any CH2FCF2CHF2 from (a) to form a product mixture including CH2═CFCF3, and if CH2FCF2CHF2 is present, CHF═CFCHF2; (c) recovering CH2═CFCF3 or a mixture thereof with CHF═CFCHF2 from the product mixture formed in (b); and optionally (d) separating at least a portion of any CHF═CFCHF2 in the product mixture formed in (b) from the CH2═CFCF3 in the product mixture formed in (b).The present invention also provides compositions involving CH2═CFCF3 and/or CHF═CFCHF2, including compositions useful as refrigerants, foam blowing agents, cleaning agents and aerosols and azeotropic compositions involving (a) CF2HCF═CFH and (b) HF.
    • 公开了制备CF 3 CF-CH 2或其与CHF-CFCHF 2的混合物的方法。 该方法包括在催化剂存在下使CCl 3 CF 2 CF 3和任选的CCl 2 CFF 2 CClF 2与H 2接触，所述催化剂包括负载在氧化铝，氟化氧化铝和/或氟化铝的载体上的催化有效量的钯，以产生包含CH 2 -CFCF 3的产物混合物 CCl 2 CFF 2 CClF 2，CHF-CFCHF 2）; 从产物混合物中回收CH2-CFCF3或其与CHF-CFCHF2的混合物; 并且任选地，将产物混合物中的任何CHF-CFCHF 2的至少一部分与产物混合物中的CH 2 -CFCF 3分离。 供给到反应区的H 2与CCl 3 CF 2 CF 3和CCl 2 FCF 2 CClF 2的总量的摩尔比为约1:1至约5:1。 本发明还提供另外一种制备CH2-CFCF3或其与CHF-CFCHF2的混合物的方法。该方法包括（a）在催化有效量的氢化催化剂存在下使CCl 3 CF 2 CF 3和任选的CCl 2 FCF 2 CClF 2与H 2反应以形成CH 3 CF 2 CF 3 CCl 2 FCF 2 CClF 2存在，CH 2 CFF 2 CHF 2）; （b）从（a）中将CH 3 CF 2 CF 3和任选的任何任何CH 2 CFF 2 CHF 3脱氟氟化，形成包含CH2-CFCF3的产物混合物，如果存在CH 2 CF 2 CHF 2，则CHF-CFCHF 2; （c）从（b）中形成的产物混合物中回收CH 2 CFCF 3或其与CHF-CFCHF 2的混合物; 和任选地（d）将（b）中形成的产物混合物中的任何CHF-CFCHF 2的至少一部分与（b）中形成的产物混合物中的CH 2 -CFCF 3分离。 本发明还提供了包含CH 2 -CFCF 3和/或CHF-CFCHF 2的组合物，包括可用作制冷剂的组合物，泡沫发泡剂，清洁剂和气溶胶以及涉及（a）CF 2 HCF-CFH和（b）HF的共沸组合物。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 74. 发明授权
      US07241928B2 Process for the manufacture of halocarbons and selected compounds and azeotropes with HF 有权
    • Process for the manufacture of halocarbons and selected compounds and azeotropes with HF
    • 用于制造卤代烃和所选化合物以及与HF共沸的方法
    • US07241928B2
    • 2007-07-10
    • US10956672
    • 2004-10-01
    • Velliyur N.Mallikarjuna Rao , Allen Capron Sievert
    • Velliyur N.Mallikarjuna Rao , Allen Capron Sievert
    • C07C19/10 , C07C19/01 , C07C19/08
    • C07C19/10 , C01B7/191 , C07C17/206 , C07C17/275 , C07C17/278 , C07C17/38 , C07C17/386 , C07C19/08 , Y02P20/582 , C07C19/01 , C07C19/16
    • 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.New compounds disclosed include CF3CF2CCl2CH2CCl3, CF3CCl2CH2CH2Cl and CF3CCl2CH2CHClF. These compounds are useful as intermediates for producing hydrofluorocarbons.Azeotropes of CClF2CH2CF3 with HF and azeotropes of CF3CH2CHF2 with HF are also disclosed; as are process for producing such azeotropes.A process for purification of certain hydrofluorocarbons and/or chloro-precursors thereof from mixtures of such compounds with HF is also disclosed.
    • 公开了一种液相法，用于生产下列化合物的卤化烷烃加合物：其中R 1，R 2，R 2，R 3，R 4， （其中A，B，R 1，R 2，R 3和R 4如在 涉及使相应的卤化烷烃AB与相应的烯烃接触，其中R 1， 在二腈或环状碳酸酯溶剂中，将反应混合物分成两个液相，并且在含有（i）至少一种选自一价和二价铜的催化剂的催化剂体系的存在下， 和任选地（ii）选自在杂环中含有至少一个碳 - 氮双键的芳族或脂族杂环化合物的促进剂。 当形成氢氯氟烃时，可以通过氢氯氟烃与HF反应来降低氯含量。 所公开的新化合物包括CF 3 CO 2 CCl 2，CH 2 CCl 3， CF 3 3 CCl 2 CH 2 CH 2 Cl和CF 3 CCl > 2 还公开了具有HF的SUB> CHF 2 生产这种共沸物的方法也是如此。 还公开了从这种化合物与HF的混合物中纯化某些氢氟烃和/或其氯前体的方法。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 76. 发明授权
      US06635187B1 Compositions comprising hydrofluorocarbons and their manufacture 失效
    • Compositions comprising hydrofluorocarbons and their manufacture
    • US06635187B1
    • 2003-10-21
    • US09713128
    • 2000-11-15
    • Barry A. Mahler , V. N. Mallikarjuna Rao , Allen Capron Sievert
    • Barry A. Mahler , V. N. Mallikarjuna Rao , Allen Capron Sievert
    • A62D106
    • A62D1/0057 , A62D1/00
    • A process is disclosed for producing compositions including (a) a compound selected from the group consisting of CHF2CF3, CHF2CHF2, CH2FCF3, CH3CF3, CH3CHF2, CH2FCF2CHF2 and CHF2CF2CF2CHF2 and (b) at least one saturated halogenated hydrocarbon and/or ether having the formula: CnH2n+2-a-bClaFbOc wherein n is an integer from 1 to 4, a is an integer from 0 to 2n+1, b is an integer from 1 to 2n+2-a, and c is 0 or 1, provided that when c is 1 then n is an integer from 2 to 4, and provided that component (b) does not include the selected component (a) compound, wherein the molar ratio of component (b) to component (a) is between about 1:99 and a molar ratio of HF to component (a) in an azeotrope or azeotrope-like composition of component (a) with HF. This process involves (A) combining (i) the azeotrope or azeotrope-like composition with (ii) at least one fluorination precursor compound wherein the precursor component (ii) is the fluorination precursor to component (b); and (B) reacting a sufficient amount of the HF from the azeotrope or azeotrope-like composition (i) with precursor component (ii) to provide a composition containing components (a) and (b) in said ratio. In addition, compositions are disclosed comprising component (a) (e.g., CHF2CHF2), and component (b) wherein component (b) includes at least two compounds, at least one of which is an ether, and the molar ratio of component (b) to component (a) is between about 1:99 and a molar ratio of HF to component (a) in an azeotrope or azeotrope-like composition of component (a) with HF. Also disclosed is a process for recovering HF from a product mixture comprising HF and CHF2CHF2, which involves distilling the product mixture to remove all products which have a lower boiling point than the lowest boiling azeotrope containing HF and CHF2CHF2; and distilling said azeotrope to recover HF as an azeotropic composition containing HF and CHF2CHF2; and compositions of hydrogen fluoride in combination with an effective amount of CHF2CHF2 to form an azeotrope or azeotrope-like composition with hydrogen fluoride (e.g., compositions containing from about 70.5 to 75.5 mole percent CHF2CHF2).
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 78. 发明授权
      US06329559B1 Processes for the production of hexafluoropropene and optionally other halogenated hydrocarbons containing fluorine 失效
    • Processes for the production of hexafluoropropene and optionally other halogenated hydrocarbons containing fluorine
    • 用于生产六氟丙烯和任选的其它含氟卤代烃的方法
    • US06329559B1
    • 2001-12-11
    • US09701448
    • 2000-11-27
    • Allen Capron Sievert , V. N. Mallikarjuna Rao , Francis J. Walczak
    • Allen Capron Sievert , V. N. Mallikarjuna Rao , Francis J. Walczak
    • C07C1708
    • C07C21/18 , C07C17/00 , C07C17/206 , C07C17/23 , C07C19/08 , C07C19/10
    • A process is disclosed for the manufacture of CF3CF═CF2, and optionally a least one compound selected from CF3CH2CF3 and CF3CHFCHF2. The process involves contacting a reactor feed including a precursor stream of at least one halogenated propane of the formula CX3CH2CHyX(3−y) and/or halogenated propene of the formula CX3CH═CHyX(2−y), where each X is Cl or F and y is 0, 1 or 2 (provided that the average fluorine content of the precursor stream is no more than 5 fluorine substituents per molecule) with HF and Cl2 in a chlorofluorination reaction zone containing a fluorination catalyst and operating at a temperature between about 150° C. and 400° C., to produce a reaction zone effluent including HF, HCl and a mixture of reaction products of the precursor feed which contains at least one compound of the formula C3Cl2F6 including CClF2CClFCF3 and at least one compound of the formula C3HClF6, including CHF2CClFCF3 and has an average fluorine content which is at least one fluorine substituent per molecule more than the average fluorine content of the precursor stream. The chlorofluorination reaction zone effluent is distilled to produce (i) a low-boiling component including HCl (and when they are present in the reaction zone effluent, C3F8, C3ClF7 and C3HF7), (ii) a hydrogenation feed component containing at least one compo of the formula C3Cl2F6 including CClF2CClFCF3 and at least one compound of the formnula C3HClF6 including CHF2CClFCF3, and an underfluorinated component including halogenated propanes containing at least one chlorine subtituent and from one to five fluorine substituents. The CClF2CClFCF3 and CHF2CClFCF3 of hydrogenation feed component (ii) is reacted with hydrogen to produce a mixture including CF3CF═CF2 and CF3CHFCHF2 and the CF3CF═CF2 from this product mixture is recovered. Underfluorinated component (iii) is returned to the chlorofluorination reaction zone.
    • 公开了用于制造CF 3 CF = CF 2和任选的至少一种选自CF 3 CH 2 CF 3和CF 3 CHFCHF 2的化合物的方法。 该方法包括使包含式CX3CH2CHyX（3-y）的至少一种卤代丙烷和/或式CX3CH = CHyX（2-y）的卤代丙烯的前体物流的反应器进料接触，其中每个X为Cl或F 和y为0,1或2（前提物流的平均氟含量每分子不超过5个氟取代基）与HF和Cl 2在含氟化催化剂的氯氟化反应区中并在约150℃ 以产生包含HF，HCl和前体原料的反应产物的混合物的反应区流出物，其含有至少一种式C 3 Cl 2 F 6的化合物，包括CClF 2 CClFCF 3和至少一种式C 3 HClF 6的化合物 ，包括CHF 2 CClFCF 3，并且平均氟含量比前体流的平均氟含量多至少一个氟取代基。 将氯氟化反应区流出物蒸馏以产生（i）包含HCl的低沸点组分（当它们存在于反应区流出物，C3F8，C3ClF7和C3HF7中时），（ii）含有至少一种化合物的氢化进料组分 包括CClF 2 CClFCF 3的式C 3 Cl 2 F 6和至少一种包括CHF 2 CClFCF 3的C3HClF6化合物和包含至少一个氯取代基和一至五个氟取代基的卤代丙烷的含氟化成分。 氢化进料组分（ⅱ）的CClF 2 CClFCF 3和CHF 2 CClFCF 3与氢气反应，生成包含CF 3 CF = CF 2和CF 3 CHFCHF 2且CF 3 CF = CF 2的混合物
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 79. 发明授权
      US5948213A Processes for the manufacture and purification of 1,1,2,2,3,3,4,4-octafluorobutane and by-products, and azeotropes with HF 失效
    • Processes for the manufacture and purification of 1,1,2,2,3,3,4,4-octafluorobutane and by-products, and azeotropes with HF
    • US5948213A
    • 1999-09-07
    • US118800
    • 1998-07-17
    • Ralph Newton Miller , V. N. Mallikarjuna Rao , Allen Capron Sievert
    • Ralph Newton Miller , V. N. Mallikarjuna Rao , Allen Capron Sievert
    • C07C17/10 , C07C17/20 , C07C17/23 , C07C17/38 , C07C19/08 , C07C19/10 , B01D3/00
    • C07C19/10 , C07C17/10 , C07C17/206 , C07C17/23 , C07C17/38 , C07C19/08 , Y02P20/582
    • A process is disclosed for producing 1,1,2,2,3,3,4,4-octafluorobutane. The process involves (a) reacting a mixture comprising 2,2,3,3-tetrafluorobutane and chlorine to form a mixture of chloro-compounds wherein compounds of the formula C.sub.4 H.sub.x Cl.sub.6-x F.sub.4 (where x is 0 or 1) comprise at least about 50 mole % of the mixture of chloro-compounds; (b) contacting certain chloro-compounds from (a) and hydrogen fluoride with a fluorination catalyst to form a mixture of fluoro-compounds; and (c) contacting certain fluoro-compounds from (b) and hydrogen with a hydrogenolysis catalyst to produce CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2. Sufficient chloro-compounds formed in (a) and sufficient fluoro-compounds formed in (b) are recycled to provide a selectivity to CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 of at least about 75% based upon the moles of CH.sub.3 CF.sub.2 CF.sub.2 CH.sub.3 reacted in (a).Also disclosed is a process for the purification of at least one compound selected from the group consisting of CCl.sub.2 F(CF.sub.2).sub.2 CCl.sub.3, CCl.sub.2 F(CF.sub.2).sub.2 CCl.sub.2 F, CCl.sub.2 F(CF.sub.2).sub.2 CClF.sub.2, CClF.sub.2 (CF.sub.2).sub.2 CClF.sub.2, CClF.sub.2 (CF.sub.2).sub.2 CF.sub.3, CHCl.sub.2 (CF.sub.2).sub.2 CCl.sub.2 F, CHClF(CF.sub.2).sub.2 CCl.sub.3, CHCl.sub.2 (CF.sub.2).sub.2 CClF.sub.2, CHClF(CF.sub.2).sub.2 CCl.sub.2 F, CHF.sub.2 (CF.sub.2).sub.2 CCl.sub.3, CHClF(CF.sub.2).sub.2 CClF.sub.2, CHF.sub.2 (CF.sub.2).sub.2 CCl.sub.2 F, CHCl.sub.2 (CF.sub.2).sub.2 CF.sub.3, CHClF(CF.sub.2).sub.2 CF.sub.3, CHF.sub.2 (CF.sub.2).sub.2 CClF.sub.2, CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2, CHF.sub.2 CF.sub.2 CF.sub.2 CH.sub.2 F, CHF.sub.2 CF.sub.2 CF.sub.2 CF.sub.3 and CH.sub.2 FCF.sub.2 CF.sub.2 CF.sub.3 from a mixture of HF and said at least one compound. The purification process involves (a) subjecting the mixture of HF and said compound(s) to a distillation step in which a first distillate is removed; (b) subjecting said first distillate to an additional distillation as described herein; and (c) recovering said compound(s) essentially free of HF as bottoms from either the distillation of (a) or the distillation of (b).New compounds CCl.sub.2 FCF.sub.2 CF.sub.2 CClF.sub.2, CCl.sub.3 CF.sub.2 CF.sub.2 CCl.sub.2 F, CHCl.sub.2 CF.sub.2 CF.sub.2 CCl.sub.3, CHCl.sub.2 CF.sub.2 CF.sub.2 CCl.sub.2 F, CHClFCF.sub.2 CF.sub.2 CCl.sub.3, CHCl.sub.2 CF.sub.2 CF.sub.2 CClF.sub.2, CHClFCF.sub.2 CF.sub.2 CCl.sub.2 F, CHF.sub.2 CF.sub.2 CF.sub.2 CCl.sub.3, CHF.sub.2 CF.sub.2 CF.sub.2 CCl.sub.2 F, CHClFCF.sub.2 CF.sub.2 CF.sub.3, CH.sub.3 CF.sub.2 CF.sub.2 CH.sub.2 Cl and CH.sub.2 ClCF.sub.2 CF.sub.2 CCl.sub.3 are also disclosed, as are compositions which comprise hydrogen fluoride in combination with an effective amount of CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 to form an azeotrope or azeotrope-like composition with hydrogen fluoride.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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