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21. 发明公开

EP3730870A1 REFRIGERATION CYCLE DEVICE 审中-实审转让
公开(公告)号：EP3730870A1
公开(公告)日：2020-10-28
申请号：EP18892942.6
申请日：2018-12-10
申请人： DAIKIN INDUSTRIES, LTD.
发明人： KUMAKURA, Eiji , YAMADA, Takuro , YOSHIMI, Atsushi , IWATA, Ikuhiro , ITANO, Mitsushi , KARUBE, Daisuke , YOTSUMOTO, Yuuki , TAKAHASHI, Kazuhiro , TAKAKUWA, Tatsuya , KOMATSU, Yuzo , OHKUBO, Shun
IPC分类号： F25B1/00 , C09K5/04
摘要： An air conditioning unit capable of performing a refrigeration cycle using a small-GWP refrigerant is provided. A refrigeration cycle apparatus (1, 1a to 1m) includes a refrigerant circuit (10) including a compressor (21), a condenser (23, 31, 36), a decompressing section (24, 44, 45, 33, 38), and an evaporator (31, 36, 23), and a refrigerant containing at least 1,2-difluoroethylene enclosed in the refrigerant circuit (10).

22. 发明公开

EP3730869A1 AIR CONDITIONING UNIT 审中-公开
公开(公告)号：EP3730869A1
公开(公告)日：2020-10-28
申请号：EP18892525.9
申请日：2018-12-10
申请人： DAIKIN INDUSTRIES, LTD.
发明人： KUMAKURA, Eiji , YAMADA, Takuro , YOSHIMI, Atsushi , IWATA, Ikuhiro , ITANO, Mitsushi , KARUBE, Daisuke , YOTSUMOTO, Yuuki , TAKAHASHI, Kazuhiro , KOMATSU, Yuzo , OHKUBO, Shun , TAKAKUWA, Tatsuya
IPC分类号： F25B1/00 , C09K5/04
摘要： An air-conditioning unit that is able to suppress ignition at an electric heater even when leakage of refrigerant occurs while a low-GWP refrigerant is used is provided. In an outdoor unit (20) including a casing (60), a compressor (21) provided inside the casing (60) and configured to compress refrigerant containing 1,2-difluoroethylene, and a drain pan heater (54) provided inside the casing (60), an electric power consumption of the drain pan heater (54) is lower than or equal to 300 W.

23. 发明公开

EP3730586A1 COOLANT-CONTAINING COMPOSITION, USE FOR SAME, REFRIGERATOR HAVING SAME, AND METHOD FOR OPERATING REFRIGERATOR 审中-公开
公开(公告)号：EP3730586A1
公开(公告)日：2020-10-28
申请号：EP18893256.0
申请日：2018-12-18
申请人： DAIKIN INDUSTRIES, LTD.
发明人： ITANO, Mitsushi , KARUBE, Daisuke , YOTSUMOTO, Yuuki , TAKAHASHI, Kazuhiro
IPC分类号： C09K5/04 , F25B1/00
摘要： Provided is a mixed refrigerant having two types of performance, i.e., a coefficient of performance that is equivalent to that of R410A and a sufficiently low GWP. Provided as a means for a solution is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32) at specific concentrations.

24. 发明公开

EP3730573A1 COOLANT-CONTAINING COMPOSITION, USE FOR SAME, REFRIGERATOR HAVING SAME, AND METHOD FOR OPERATING REFRIGERATOR 审中-公开
公开(公告)号：EP3730573A1
公开(公告)日：2020-10-28
申请号：EP18890851.1
申请日：2018-12-18
申请人： DAIKIN INDUSTRIES, LTD.
发明人： ITANO, Mitsushi , KARUBE, Daisuke , YOTSUMOTO, Yuuki , TAKAHASHI, Kazuhiro
IPC分类号： C09K5/04 , F25B1/00
摘要： An object is to provide a mixed refrigerant having three types of performance, i.e., a refrigerating capacity and a coefficient of performance that are equivalent to those of R410A, and a sufficiently low GWP. Provided as a means for achieving the object is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).

25. 发明公开

EP3640312A1 AZEOTROPE OR AZEOTROPIC COMPOSITION CONTAINING PENTAFLUOROPROPANE AND WATER, AND METHOD FOR PRODUCING PENTAFLUOROPROPANE 审中-实审转让
公开(公告)号：EP3640312A1
公开(公告)日：2020-04-22
申请号：EP18817508.7
申请日：2018-06-15
申请人： Daikin Industries, Ltd.
发明人： OHHIGASHI, Yuuko , TAKAKUWA, Tatsuya , TAKAHASHI, Kazuhiro
IPC分类号： C09K3/00 , C07C17/383 , C07C19/08
摘要： An object of the present invention is to provide a method that can efficiently remove water contained in pentafluoropropane. Provided as a solution is a method comprising distilling a composition comprising pentafluoropropane and water to thereby extract pentafluoropropane with a water content higher than that of the composition as a first stream, and pentafluoropropane with a water content lower than that of the composition as a second stream.

26. 发明授权

EP2554531B1 METHOD FOR PRODUCING FLUORINE-CONTAINING ALKANE 有权
公开(公告)号：EP2554531B1
公开(公告)日：2019-05-01
申请号：EP11762398.3
申请日：2011-02-18
申请人： Daikin Industries, Ltd.
发明人： SHIOTANI, Yuko , HANABUSA, Kakeru , CHAKI, Takehiro , TAKAHASHI, Kazuhiro
IPC分类号： C07C17/23 , C07C17/354 , C07C19/08

27. 发明公开

EP3040326A1 HALO-OLEFIN COMPOSITION 有权转让
标题翻译：卤代烯烃组合物
公开(公告)号：EP3040326A1
公开(公告)日：2016-07-06
申请号：EP15760361.4
申请日：2015-08-10
申请人： Daikin Industries, Ltd.
发明人： TAKAHASHI, Kazuhiro , TSUCHIYA, Tatsumi , YAMADA, Yasufu
IPC分类号： C07C17/42 , C07C21/18
摘要： The present invention provides a highly stable haloolefin-based composition that inhibits decomposition or oxidization.
The haloolefin-based composition comprising (a) a haloolefin; (b) at least one compound selected from the group consisting of HFO-1234ze, HFC-254eb, HFO-1243zf, HFC-245eb, HFC-245fa, HFC-245cb, HFC-236ea, HFC-236fa, HFO-1225ye, 3,3,3-trifluoropropine, HFC-23, HFC-32, HFC-125, HFC-143a, HFC-134a, FC-1216, HCFO-1233xf, HCFO-1233zd, HCFO-1232xf, HCFO-1223xd, and chloromethane; and (c) water.
摘要翻译：本发明提供抑制分解或氧化的高度稳定的基于卤烯烃的组合物。所述基于卤烯烃的组合物包含（a）卤烯烃; （b）至少一种选自HFO-1234ze，HFC-254eb，HFO-1243zf，HFC-245eb，HFC-245fa，HFC-245cb，HFC-236ea，HFC-236fa，HFO-1225ye，3 ，HFC-23，HFC-32，HFC-125，HFC-143a，HFC-134a，FC-1216，HCFO-1233xf，HCFO-1233zd，HCFO-1232xf，HCFO-1223xd和氯甲烷; 和（c）水。

28. 发明公开

EP2882704A1 PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE 有权
标题翻译：生产2,3,3,3-四氟丙烯的方法
公开(公告)号：EP2882704A1
公开(公告)日：2015-06-17
申请号：EP13770976.2
申请日：2013-08-07
申请人： Daikin Industries, Ltd.
发明人： TAKAHASHI, Kazuhiro , MOTOYAMA, Hitoshi , CHAKI, Takehiro , KARUBE, Daisuke , KISHIMOTO, Masayuki
IPC分类号： C07C17/20 , C07C17/25
CPC分类号： C07C17/20 , C07C17/206 , C07C17/25 , Y02P20/582 , C07C21/18
摘要： The present invention provides a process for producing 2,3,3,3-tetrafluoropropene, comprising the steps of producing 2-chloro-3,3,3-trifluoropropene by reacting anhydrous hydrogen fluoride with a specific chlorine-containing compound in a gas phase in the presence of a fluorination catalyst while heating; and producing 2,3,3,3-tetrafluoropropene by reacting 2-chloro-3,3,3-trifluoropropene with anhydrous hydrogen fluoride in a gas phase in the presence of a fluorination catalyst while heating, the step of producing 2-chloro-3,3,3-trifluoropropene being performed after the step of producing 2,3,3,3-tetrafluoropropene. According to the process, 2,3,3,3-tetrafluoropropene can be produced with reduced energy and equipment costs in an economically advantageous manner.
摘要翻译：本发明提供了一种生产2,3,3,3-四氟丙烯的方法，包括以下步骤：通过使无水氟化氢与特定的含氯化合物在气相中反应生产2-氯-3,3,3-三氟丙烯在氟化催化剂存在的同时加热; 在加热下，在氟化催化剂的存在下，使2-氯-3,3,3-三氟丙烯与无水氟化氢在气相中反应而生成2,3,3,3-四氟丙烯的工序; 在生产2,3,3,3-四氟丙烯的步骤之后进行3,3,3-三氟丙烯。根据该方法，2,3,3,3-四氟丙烯可以以经济有利的方式以降低的能量和设备成本生产。

29. 发明公开

EP2349958A2 PROCESS FOR PREPARING 2,3,3,3-TETRAFLUOROPROPENE 审中-公开
标题翻译：制备2,3,3,3-四氟丙烯的方法
公开(公告)号：EP2349958A2
公开(公告)日：2011-08-03
申请号：EP09741475.9
申请日：2009-10-13
申请人： Daikin Industries, Ltd.
发明人： NOSE, Masatoshi , TAKAHASHI, Kazuhiro , KOMATSU, Yuzo , SUGIYAMA, Akinari , SHIBANUMA, Takashi
IPC分类号： C07C17/087 , C07C17/25 , C07C17/383 , C07C21/18
CPC分类号： C07C17/25 , C07C17/087 , C07C17/383 , C07C21/18 , Y02P20/582 , C07C21/22
摘要： The present invention provides a process for preparing 2,3,3,3-tetrafluoropropene comprising the steps of: (a) reacting 3,3,3-trifluoropropyne with hydrogen fluoride while heating to obtain a product containing 2,3,3,3-tetrafluoropropene; (b) separating the product obtained in Step (a) into Component A containing 2,3,3,3-tetrafluoropropene and 3,3,3-trifluoropropyne, and Component B containing 1,3,3,3-tetrafluoropropene; (c) separating 2,3,3,3-tetrafluoropropene and 3,3,3-trifluoropropyne contained in Component A obtained in Step (b) into each compound; (d) conducting a dehydrofluorination reaction by heating Component B obtained in Step (b) in the presence of a catalyst; (e) separating the product obtained in Step (d) into Component C containing 2,3,3,3-tetrafluoropropene and 3,3,3-trifluoropropyne, and Component D containing 1,3,3,3-tetrafluoropropene; (f) separating 2,3,3,3-tetrafluoropropene and 3,3,3-trifluoropropyne contained in Component C obtained in Step (e) into each compound; and (g) conducting a dehydrofluorination reaction by heating Component D obtained in Step (e) in the presence of a catalyst. The present invention provides an effective and industrially applicable process for preparing 2,3,3,3-tetrafluoropropene.
摘要翻译：本发明提供了制备2,3,3,3-四氟丙烯的方法，该方法包括以下步骤：（a）在加热下使3,3,3-三氟丙炔与氟化氢反应，得到含2,3,3,3-三氟丙烯 -tetrafluoropropene; （b）将步骤（a）中得到的产物分离成含有2,3,3,3-四氟丙烯和3,3,3-三氟丙炔的组分A和含有1,3,3,3-四氟丙烯的组分B; （c）将步骤（b）中得到的组分A中所含的2,3,3,3-四氟丙烯和3,3,3-三氟丙炔分离成每种化合物; （d）通过在催化剂存在下加热步骤（b）中获得的组分B进行脱氟化氢反应; （e）将步骤（d）中得到的产物分离成含有2,3,3,3-四氟丙烯和3,3,3-三氟丙炔的组分C和含有1,3,3,3-四氟丙烯的组分D; （f）将步骤（e）中获得的组分C中所含的2,3,3,3-四氟丙烯和3,3,3-三氟丙炔分离成每种化合物; 和（g）通过在催化剂存在下加热步骤（e）中获得的组分D来进行脱氟化氢反应。本发明提供了一种有效的和工业上可用的制备2,3,3,3-四氟丙烯的方法。

30. 发明公开

EP3957622A1 METHOD FOR PURIFYING 1,2-DIFLUOROETHYLENE (HFO-1132) 审中-实审转让
公开(公告)号：EP3957622A1
公开(公告)日：2022-02-23
申请号：EP20791937.4
申请日：2020-04-07
申请人： DAIKIN INDUSTRIES, LTD.
发明人： USUI, Takashi , TAKAHASHI, Kazuhiro , IWAMOTO, Tomoyuki
IPC分类号： C07C21/18 , C07C17/389
摘要： This invention provides a method for purifying HFO-1132 to a high purity while suppressing the isomerization and loss of HFO-1132. Specifically, the present invention provides a method for purifying 1,2-difluoroethylene, which is HFO-1132, the method comprising, in this order,
step 1 of bringing a composition comprising trans-1,2-difluoroethylene, which is HFO-1132(E), and water into contact with a zeolite having an average pore size of 2 to 4 Å to reduce the water content from the composition; and
step 2 of recovering a purified product containing HFO-1132(E) and a reduced content of water, and containing less than 0.1% by volume of HFO-1132(Z).

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