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21. 发明授权

US09255047B2 Process for the preparation of fluorinated compounds 有权
标题翻译：氟化合物的制备方法
公开(公告)号：US09255047B2
公开(公告)日：2016-02-09
申请号：US12602707
申请日：2009-08-19
申请人： Anne Pigamo , Michel Devic , Laurent Wendlinger
发明人： Anne Pigamo , Michel Devic , Laurent Wendlinger
IPC分类号： C07C17/354 , C07C17/25 , C07C21/18
CPC分类号： C07C17/25 , C07C17/354 , C07C21/18 , Y02P20/582 , C07C19/08
摘要： A subject-matter of the invention is a process for the preparation of 2,3,3,3-tetrafluoro-1-propene which comprises the following stages: (i) hydrogenation of hexafluoropropylene to give 1,1,1,2,3,3-hexafluoropropane; (ii) dehydrofluorination of the 1,1,1,2,3,3-hexafluoropropane obtained in the preceding stage to give 1,2,3,3,3-pentafluoro-1-propene; (iii) hydrogenation of the 1,2,3,3,3-pentafluoro-1-propene obtained in the preceding stage to give 1,1,1,2,3-pentafluoropropane; and (iv) dehydrofluorination of the 1,1,1,2,3-pentafluoropropane obtained in the preceding stage to give 2,3,3,3-tetrafluoro-1-propene. Stages (ii) and (iv) are carried out using a water and potassium hydroxide mixture with the potassium hydroxide representing between 58 and 86% by weight of the mixture and at a temperature of between 110 and 180° C.
摘要翻译：本发明的主题是制备2,3,3,3-四氟-1-丙烯的方法，其包括以下步骤：（i）六氟丙烯的氢化，得到1,1,1,2,3 ，3-六氟丙烷; （ii）前段得到的1,1,1,2,3,3-六氟丙烷的脱氟化氢，得到1,2,3,3,3-五氟-1-丙烯; （iii）在前一阶段获得的1,2,3,3,3-五氟-1-丙烯的氢化，得到1,1,1,2,3-五氟丙烷; 和（iv）前一阶段获得的1,1,1,2,3-五氟丙烷的脱氟化氢，得到2,3,3,3-四氟-1-丙烯。阶段（ii）和（iv）使用氢氧化钾与氢氧化钾混合物进行，其中氢氧化钾占混合物重量的58-86％，在110-180℃的温度下进行。

22. 发明授权

US08309774B2 Catalytic gas phase fluorination of 1230xa to 1234yf 有权
标题翻译：催化气相氟化1230xa至1234yf
公开(公告)号：US08309774B2
公开(公告)日：2012-11-13
申请号：US13416730
申请日：2012-03-09
申请人： Anne Pigamo , Dominique Deur-Bert , Laurent Wendlinger
发明人： Anne Pigamo , Dominique Deur-Bert , Laurent Wendlinger
IPC分类号： C07C21/18 , C07C21/04 , C07C17/04 , C07C17/08
CPC分类号： C07C21/18 , B01J23/866 , B01J37/26 , C07C17/087 , C07C17/206 , C07C17/25 , C07C17/42 , C07C19/10
摘要： The invention is directed to a process for preparing 2,2,2,3-tetrafluoropropene (1234yf), comprising: (i) contacting 1,1,2,3-tetrachloropropene (1230xa) with hydrogen fluoride HF in gas phase in the presence of a fluorination catalyst under conditions sufficient to produce a reaction mixture; (ii) separating the reaction mixture into a first stream comprising HCl, 2,2,2,3-tetrafluoropropene (1234yf) and a second stream comprising HF, 2-chloro-3,3,3-trifluoro-1-propene (1233xf) and 1,1,1,2,2-pentafluoropropane (245cb); (iii) recycling at least a part of the second stream at least in part back to step (i).
摘要翻译：本发明涉及一种制备2,2,2,3-四氟丙烯（1234yf）的方法，其包括：（i）在气相存在下将1,1,2,3-四氯丙烯（1230xa）与氟化氢HF接触，的氟化催化剂在足以产生反应混合物的条件下进行; （ii）将反应混合物分离成包含HCl，2,2,2,3-四氟丙烯（1234yf）的第一料流和包含HF，2-氯-3,3,3-三氟-1-丙烯（1233xf）的第二料流）和1,1,1,2,2-五氟丙烷（245cb）; （iii）至少部分地将第二流的至少一部分再循环回到步骤（i）。

23. 发明授权

US08252964B2 Process for the purification of 2,3,3,3-tetrafluoro-1-propene (HFO-1234yf) 有权
标题翻译：纯化2,3,3,3-四氟-1-丙烯（HFO-1234yf）的方法
公开(公告)号：US08252964B2
公开(公告)日：2012-08-28
申请号：US13001663
申请日：2009-06-08
申请人： Michel Devic , Anne Pigamo , Laurent Wendlinger
发明人： Michel Devic , Anne Pigamo , Laurent Wendlinger
IPC分类号： C07C17/38
CPC分类号： C07C17/389 , C07C21/18
摘要： The subject of the invention is a process for the purification of 2,3,3,3-tetrafluoro-1-propene (HFO-1234yf). More particularly, it relates to a purification process in which 2,3,3,3-tetrafluoro-1-propene, comprising impurities based on halogen compounds, is brought into contact with an adsorbent, preferably molecular sieves and advantageously molecular sieves having a pore opening with an average diameter between 5 and 11 Å, preferably between 5 and 9 Å.
摘要翻译：本发明的主题是用于纯化2,3,3,3-四氟-1-丙烯（HFO-1234yf）的方法。更具体地说，本发明涉及一种纯化方法，其中将包含基于卤素化合物的杂质的2,3,3,3-四氟-1-丙烯与吸附剂，优选分子筛和有利的分子筛接触，所述分子筛具有孔平均直径在5和11埃之间，优选在5和9之间。

24. 发明申请

US20110160499A1 Catalytic Gas Phase Fluorination of 243db to 1234yf 有权
标题翻译：催化气相氟化243db至1234yf
公开(公告)号：US20110160499A1
公开(公告)日：2011-06-30
申请号：US12978288
申请日：2010-12-23
申请人： Laurent Wendlinger , Anne Pigamo , Dominique Deur-Bert
发明人： Laurent Wendlinger , Anne Pigamo , Dominique Deur-Bert
IPC分类号： C07C17/357
CPC分类号： C07C17/206 , B01J23/866 , B01J37/26 , C07C17/25 , C07C17/42 , C07C21/08 , Y02P20/582 , C07C19/10 , C07C21/18
摘要： The invention provides a process for preparing 1234yf, comprising: (i) contacting 243db with hydrogen fluoride HF in gas phase in the presence of a fluorination catalyst under conditions sufficient to produce a reaction mixture; (ii) separating the reaction mixture into a first stream comprising HCl, 1234yf and a second stream comprising HF, 1233xf and 245cb; (iii) recycling at least a part of the second stream at least in part back to step (i). The invention also provides a process for preparing 1234yf, comprising: (i) contacting 243db with hydrogen fluoride HF in gas phase in the presence of a fluorination catalyst under conditions sufficient to produce a reaction mixture; (ii) separating the reaction mixture into HCl and a stream containing the fluorinated products; (iii) separating said stream containing the fluorinated products into a first stream comprising 1234yf and a second stream comprising HF, 1233xf and 245cb; (iv) recycling at least a part of the second stream at least in part back to step (i).
摘要翻译：本发明提供了一种制备1234yf的方法，其包括：（i）在足以产生反应混合物的条件下，在氟化催化剂存在下，使气体中的243db与氟化氢HF接触; （ii）将反应混合物分离成包含HCl，1234yf和包含HF，1233xf和245cb的第二料流的第一料流; （iii）至少部分地将第二流的至少一部分再循环回到步骤（i）。本发明还提供了一种制备1234yf的方法，其包括：（i）在足以产生反应混合物的条件下，在氟化催化剂存在下，将气体中的243db与氟化氢HF气相接触; （ii）将反应混合物分离成HCl和含有氟化产物的料流; （iii）将含有氟化产物的物流分离成包含1234yf的第一物流和包含HF，1233xf和245cb的第二物流; （iv）至少部分地将至少一部分第二流再循环到步骤（i）。

25. 发明申请

US20110105809A1 PROCESS FOR THE PURIFICATION OF 2,3,3,3-TETRAFLUORO-1-PROPENE (HFO-1234YF) 有权
标题翻译： 2,3,3,3-四氢-1-丙烯（HFO-1234YF）的纯化方法
公开(公告)号：US20110105809A1
公开(公告)日：2011-05-05
申请号：US13001663
申请日：2009-06-08
申请人： Michel Devic , Anne Pigamo , Laurent Wendlinger
发明人： Michel Devic , Anne Pigamo , Laurent Wendlinger
IPC分类号： C07C17/389
CPC分类号： C07C17/389 , C07C21/18
摘要： The subject of the invention is a process for the purification of 2,3,3,3-tetrafluoro-1-propene (HFO-1234yf). More particularly, it relates to a purification process in which 2,3,3,3-tetrafluoro-1-propene, comprising impurities based on halogen compounds, is brought into contact with an adsorbent, preferably molecular sieves and advantageously molecular sieves having a pore opening with an average diameter between 5 and 11 Å, preferably between 5 and 9 Å.
摘要翻译：本发明的主题是用于纯化2,3,3,3-四氟-1-丙烯（HFO-1234yf）的方法。更具体地说，本发明涉及一种纯化方法，其中将包含基于卤素化合物的杂质的2,3,3,3-四氟-1-丙烯与吸附剂，优选分子筛和有利的分子筛接触，所述分子筛具有孔平均直径在5和11埃之间，优选在5和9之间。

26. 发明授权

US08207384B2 Catalytic gas phase fluorination of 243db to 1234yf 有权
标题翻译：催化气相氟化243db至1234yf
公开(公告)号：US08207384B2
公开(公告)日：2012-06-26
申请号：US12978288
申请日：2010-12-23
申请人： Laurent Wendlinger , Anne Pigamo , Dominique Deur-Bert
发明人： Laurent Wendlinger , Anne Pigamo , Dominique Deur-Bert
IPC分类号： C07C17/00
CPC分类号： C07C17/206 , B01J23/866 , B01J37/26 , C07C17/25 , C07C17/42 , C07C21/08 , Y02P20/582 , C07C19/10 , C07C21/18
摘要： The invention provides a process for preparing 1234yf, comprising: (i) contacting 243db with hydrogen fluoride HF in gas phase in the presence of a fluorination catalyst under conditions sufficient to produce a reaction mixture; (ii) separating the reaction mixture into a first stream comprising HCl, 1234yf and a second stream comprising HF, 1233xf and 245cb; (iii) recycling at least a part of the second stream at least in part back to step (i). The invention also provides a process for preparing 1234yf, comprising: (i) contacting 243db with hydrogen fluoride HF in gas phase in the presence of a fluorination catalyst under conditions sufficient to produce a reaction mixture; (ii) separating the reaction mixture into HCl and a stream containing the fluorinated products; (iii) separating said stream containing the fluorinated products into a first stream comprising 1234yf and a second stream comprising HF, 1233xf and 245cb; (iv) recycling at least a part of the second stream at least in part back to step (i).
摘要翻译：本发明提供一种制备1234yf的方法，其包括：（i）在足以产生反应混合物的条件下，在氟化催化剂存在下，使气体中的243db与氟化氢HF接触; （ii）将反应混合物分离成包含HCl，1234yf和包含HF，1233xf和245cb的第二料流的第一料流; （iii）至少部分地将第二流的至少一部分再循环回到步骤（i）。本发明还提供了一种制备1234yf的方法，其包括：（i）在足以产生反应混合物的条件下，在氟化催化剂存在下，将气体中的243db与氟化氢HF气相接触; （ii）将反应混合物分离成HCl和含有氟化产物的料流; （iii）将含有氟化产物的物流分离成包含1234yf的第一物流和包含HF，1233xf和245cb的第二物流; （iv）至少部分地将至少一部分第二流再循环到步骤（i）。

27. 发明授权

US08158836B2 Catalytic gas phase fluorination of 1230xa to 1234yf 有权
标题翻译：催化气相氟化1230xa至1234yf
公开(公告)号：US08158836B2
公开(公告)日：2012-04-17
申请号：US12978172
申请日：2010-12-23
申请人： Anne Pigamo , Dominique Deur-Bert , Laurent Wendlinger
发明人： Anne Pigamo , Dominique Deur-Bert , Laurent Wendlinger
IPC分类号： C07C21/18 , C07C21/04 , C07C17/04 , C07C17/08
CPC分类号： C07C21/18 , B01J23/866 , B01J37/26 , C07C17/087 , C07C17/206 , C07C17/25 , C07C17/42 , C07C19/10
摘要： The invention is directed to a process for preparing 2,3,3,3-tetrafluoropropene (1234yf), comprising: (i) contacting 1,1,2,3-tetrachloropropene (1230xa) with hydrogen fluoride HF in gas phase in the presence of a fluorination catalyst under conditions sufficient to produce a reaction mixture; (ii) separating the reaction mixture into a first stream comprising HCl, 2,3,3,3-tetrafluoropropene (1234yf) and a second stream comprising HF, 2-chloro-3,3,3-trifluoro-1-propene (1233xf) and 1,1,1,2,2-pentafluoropropane (245cb); (iii) recycling at least a part of the second stream at least in part back to step (i).
摘要翻译：本发明涉及一种制备2,3,3,3-四氟丙烯（1234yf）的方法，其包括：（i）在气相存在下使1,1,2,3-四氯丙烯（1230xa）与氟化氢HF接触，的氟化催化剂在足以产生反应混合物的条件下进行; （ii）将反应混合物分离成包含HCl，2,3,3,3-四氟丙烯（1234yf）的第一料流和包含HF，2-氯-3,3,3-三氟-1-丙烯（1233xf）的第二料流）和1,1,1,2,2-五氟丙烷（245cb）; （iii）至少部分地将第二流的至少一部分再循环回到步骤（i）。

28. 发明申请

US20110319675A2 Catalytic Gas Phase Fluorination of 1233xf to 1234yf 有权
标题翻译：催化气相氟化1233xf至1234yf
公开(公告)号：US20110319675A2
公开(公告)日：2011-12-29
申请号：US12978241
申请日：2010-12-23
申请人： Dominique Deur-bert , Laurent Wendlinger , Anne Pigamo
发明人： Dominique Deur-bert , Laurent Wendlinger , Anne Pigamo
IPC分类号： C07C17/20
CPC分类号： C07C17/087 , C07C17/206 , Y02P20/582 , C07C19/08 , C07C21/18
摘要： The present invention provides a process for preparing 1234yf, comprising: (i) contacting 1233xf with hydrogen fluoride HF in gas phase in the presence of a fluorination catalyst under conditions sufficient to produce a reaction mixture; (ii) separating the reaction mixture into a first stream comprising HCl, 1234yf and a second stream comprising HF, unreacted 1233xf and 245cb; (iii) recycling at least a part of the second stream at least in part back to step (i). The present invention also provides a process for preparing 1234yf, comprising: (i) contacting 1233xf with hydrogen fluoride HF in gas phase in the presence of a fluorination catalyst under conditions sufficient to produce a reaction mixture; (ii) separating the reaction mixture into HCl and a stream containing the fluorinated products; (iii) separating said stream containing the fluorinated products into a first stream comprising 1234yf and a second stream comprising HF, unreacted 1233xf and 245cb; (iv) recycling at least a part of the second stream at least in part back to step (i).
摘要翻译：本发明提供一种制备1234yf的方法，其包括：（i）在足以产生反应混合物的条件下，在氟化催化剂存在下，在气相中使1233xf与氟化氢HF接触; （ii）将反应混合物分离成包含HCl，1234yf的第一料流和包含HF，未反应的1233xf和245cb的第二料流; （iii）至少部分地将第二流的至少一部分再循环回到步骤（i）。本发明还提供了一种制备1234yf的方法，其包括：（i）在足以产生反应混合物的条件下，在氟化催化剂存在下，在气相中将1233xf与氟化氢HF接触; （ii）将反应混合物分离成HCl和含有氟化产物的料流; （iii）将含有氟化产物的物流分离成包含1234yf的第一物流和包含HF，未反应的1233xf和245cb的第二物流; （iv）至少部分地将至少一部分第二流再循环到步骤（i）。

29. 发明申请

US20110160498A1 PROCESS FOR THE PREPARATION OF TRIFLUORINATED AND TETRAFLUORINATED COMPOUNDS 有权
标题翻译：制备三氟化合物和四氢化合物的方法
公开(公告)号：US20110160498A1
公开(公告)日：2011-06-30
申请号：US13063079
申请日：2009-09-11
申请人： Anne Pigamo , Michel Devic , Laurent Wendlinger
发明人： Anne Pigamo , Michel Devic , Laurent Wendlinger
IPC分类号： C07C17/35 , C07C17/354
CPC分类号： C07C21/18 , C07C17/04 , C07C17/087 , C07C17/206 , C07C17/25 , C07C51/12 , C07C19/10
摘要： The subject of the invention is a process for the preparation of 2,3-dichloro-1,1,1-trifluoropropane by chlorination of 3,3,3-trifluoropropene at a pressure greater than 2 bar. Application in the synthesis of 1234yf.
摘要翻译：本发明的主题是通过在大于2巴的压力下氯化3,3,3-三氟丙烯来制备2,3-二氯-1,1,1-三氟丙烷的方法。应用于1234yf的合成。

30. 发明申请

US20110160497A1 Catalytic Gas Phase Fluorination of 1233xf to 1234yf 有权
公开(公告)号：US20110160497A1
公开(公告)日：2011-06-30
申请号：US12978241
申请日：2010-12-23
申请人： Dominique Deur-Bert , Laurent Wendlinger , Anne Pigamo
发明人： Dominique Deur-Bert , Laurent Wendlinger , Anne Pigamo
IPC分类号： C07C17/20
CPC分类号： C07C17/087 , C07C17/206 , Y02P20/582 , C07C19/08 , C07C21/18
摘要： The present invention provides a process for preparing 1234yf, comprising: (i) contacting 1233xf with hydrogen fluoride HF in gas phase in the presence of a fluorination catalyst under conditions sufficient to produce a reaction mixture; (ii) separating the reaction mixture into a first stream comprising HCl, 1234yf and a second stream comprising HF, unreacted 1233xf and 245cb; (iii) recycling at least a part of the second stream at least in part back to step (i). The present invention also provides a process for preparing 1234yf, comprising: (i) contacting 1233xf with hydrogen fluoride HF in gas phase in the presence of a fluorination catalyst under conditions sufficient to produce a reaction mixture; (ii) separating the reaction mixture into HCl and a stream containing the fluorinated products; (iii) separating said stream containing the fluorinated products into a first stream comprising 1234yf and a second stream comprising HF, unreacted 1233xf and 245cb; (iv) recycling at least a part of the second stream at least in part back to step (i).

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