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1.发明申请
公开(公告)号：WO1997047574A1
公开(公告)日：1997-12-18
申请号：PCT/US1997010450
申请日：1997-06-13
Applicant: ALLIEDSIGNAL INC.
Inventor： ALLIEDSIGNAL INC. , PHAM, Hang, Thanh , SINGH, Rajiv, R. , SMITH, Addison, M. , WILSON, David, P. , THOMAS, Raymond, Hilton, Percival , CERRI, Gustavo
IPC: C07C19/08
Abstract: The present invention relates to mixtures of difluoromethane ("HFC-32") and chlorine. More particularly, the invention provides azeotrope-like compositions of HFC-32 and chlorine.
Abstract translation: 本发明涉及二氟甲烷（“HFC-32”）和氯的混合物。 更具体地，本发明提供HFC-32和氯的类共沸组合物。
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公开(公告)号：WO1997044301A1
公开(公告)日：1997-11-27
申请号：PCT/US1997008674
申请日：1997-05-22
Applicant: ALLIEDSIGNAL INC.
Inventor： ALLIEDSIGNAL INC. , CERRI, Gustavo , KONG, Kin, Ching , SWAIN, Charles, Frances , BASU, Rajat, Subhra
IPC: C07C17/383
CPC classification number: C07C17/383 , C07C17/206 , C07C17/23 , C07C17/386 , C07C19/08 , C07C19/12
Abstract: The present invention provides a method for separating dichlorodifluoromethane from difluoromethane. More specifically, a process is provided for separating dichlorodifluoromethane and difluoromethane using azeotropic distillation.
Abstract translation: 本发明提供了从二氟甲烷中分离二氯二氟甲烷的方法。 更具体地，提供了使用共沸蒸馏分离二氯二氟甲烷和二氟甲烷的方法。
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公开(公告)号：WO1997007084A1
公开(公告)日：1997-02-27
申请号：PCT/US1996013229
申请日：1996-08-16
Applicant: ALLIEDSIGNAL INC.
Inventor： ALLIEDSIGNAL INC. , TUNG, Hsueh, Sung , VISO, Nemesio, Rogelio , SMITH, Addison, Miles , MCKOWN, Jeffrey, Warren , FRIEDENSON, Jay, Philip , CLEMMER, Paul, Gene , CERRI, Gustavo , CHIU, Yuon , JASKOT, Stanley, Michael
IPC: C07C19/08
CPC classification number: C07C19/08 , C07C17/10 , C07C17/206 , C07C17/21 , C07C17/269 , C07C17/383
Abstract: This invention relates to a process for producing 1,1,1,2-tetrafluoroethane (HFC-134a). The process reacts, 1,1,1-trifluoro-2-chloroethane (HCFC-133a) and hydrogen fluoride in a first reactor. The product resulting from the first reaction step is brought to a second reactor together with trichloroethylene and hydrogen fluoride. The second reaction is conducted at a higher temperature than the first reactor. Optionally, HCl is removed prior to removal of the crude HFC-134a product. Unreacted HCFC-133a, trichloroethylene and hydrogen fluoride may be recycled back to the first reactor.
Abstract translation: 本发明涉及一种生产1,1,1,2-四氟乙烷（HFC-134a）的方法。 该方法在第一反应器中使1,1,1-三氟-2-氯乙烷（HCFC-133a）和氟化氢反应。 将由第一反应步骤得到的产物与三氯乙烯和氟化氢一起送至第二反应器。 第二反应在比第一反应器更高的温度下进行。 任选地，在除去粗HFC-134a产物之前除去HCl。 未反应的HCFC-133a，三氯乙烯和氟化氢可循环回第一反应器。
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公开(公告)号：EP1226100A1
公开(公告)日：2002-07-31
申请号：EP00976785.6
申请日：2000-11-01
Applicant: AlliedSignal Inc.
Inventor： CERRI, Gustavo , PERINCHERIL, Biju Z. , CHIU, Yuon
CPC classification number: C07C17/21 , C07C17/383 , C07C19/08 , C07C19/12
Abstract: A process for preparing halogenated ethanes, particularly pentafluoroethane, from a mixture produced by the reaction of perchloroethylene, hydrogen fluoride and a recycle stream. The preferred process utilizes phase separation techniques to ensure that less than the azzeotropic amount of HF is included in the product stream, thereby minimizing the hydrogen fluoride that is carried off with the desired products after they are separated from the reaction mixture, and at the same time prevents undesirable byproducts from being recycled to the reaction.
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公开(公告)号：EP1226100B1
公开(公告)日：2007-03-07
申请号：EP00976785.6
申请日：2000-11-01
Applicant: AlliedSignal Inc.
Inventor： CERRI, Gustavo , PERINCHERIL, Biju Z. , CHIU, Yuon
CPC classification number: C07C17/21 , C07C17/383 , C07C19/08 , C07C19/12
Abstract: A process for preparing halogenated ethanes, particularly pentafluoroethane, from a mixture produced by the reaction of perchloroethylene, hydrogen fluoride and a recycle stream. The preferred process utilizes phase separation techniques to ensure that less than the azzeotropic amount of HF is included in the product stream, thereby minimizing the hydrogen fluoride that is carried off with the desired products after they are separated from the reaction mixture, and at the same time prevents undesirable byproducts from being recycled to the reaction.
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Patent Agency Ranking
公开(公告)号：EP0853605A1
公开(公告)日：1998-07-22
申请号：EP96927427.0
申请日：1996-08-16
Applicant: AlliedSignal Inc.
Inventor： TUNG, Hsueh, Sung , VISO, Nemesio, Rogelio , SMITH, Addison, Miles , MCKOWN, Jeffrey, Warren , FRIEDENSON, Jay, Philip , CLEMMER, Paul, Gene , CERRI, Gustavo , CHIU, Yuon , JASKOT, Stanley, Michael
CPC classification number: C07C19/08 , C07C17/10 , C07C17/206 , C07C17/21 , C07C17/269 , C07C17/383
Abstract: This invention relates to a process for producing 1,1,1,2-tetrafluoroethane (HFC-134a). The process reacts, 1,1,1-trifluoro-2-chloroethane (HCFC-133a) and hydrogen fluoride in a first reactor. The product resulting from the first reaction step is brought to a second reactor together with trichloroethylene and hydrogen fluoride. The second reaction is conducted at a higher temperature than the first reactor. Optionally, HCl is removed prior to removal of the crude HFC-134a product. Unreacted HCFC-133a, trichloroethylene and hydrogen fluoride may be recycled back to the first reactor.
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公开(公告)号：EP0912476A1
公开(公告)日：1999-05-06
申请号：EP97927695.0
申请日：1997-05-22
Applicant: AlliedSignal Inc.
Inventor： CERRI, Gustavo , KONG, Kin, Ching , SWAIN, Charles, Frances , BASU, Rajat, Subhra
IPC: C07C17
CPC classification number: C07C17/383 , C07C17/206 , C07C17/23 , C07C17/386 , C07C19/08 , C07C19/12
Abstract: The present invention provides a method for separating dichlorodifluoromethane from difluoromethane. More specifically, a process is provided for separating dichlorodifluoromethane and difluoromethane using azeotropic distillation.
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公开(公告)号：EP1068171A1
公开(公告)日：2001-01-17
申请号：EP99913958.7
申请日：1999-03-18
Applicant: AlliedSignal Inc.
Inventor： PHAM, Hang, Thanh , SINGH, Rajiv, R. , SMITH, Addison, Miles , WILSON, David, P. , THOMAS, Raymond, Hilton, Percival , CERRI, Gustavo
Abstract: The present invention relates to mixtures of difluoromethane ('HFC-32') and chlorine. More particularly, the invention provides azeotrope-like compositions of HFC-32 and chlorine.
Abstract translation: 本发明涉及二氟甲烷（'HFC-32'）和氯的混合物。 更具体地说，本发明提供了HFC-32和氯的类共沸组合物。
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公开(公告)号：EP1042256A1
公开(公告)日：2000-10-11
申请号：EP98958082.4
申请日：1998-11-18
Applicant: AlliedSignal Inc.
Inventor： CERRI, Gustavo , HUNT, Maurice, William , KEELER, David, W. , YOUNG, Frank, P.
CPC classification number: C07C17/383 , C07C17/206 , Y02P20/582 , C07C19/08
Abstract: A liquid phase fluorination process for producing difluoromethane without corrosion is provided. In the process of this invention, methylene chloride and hydrogen fluoride are reacted in a reactor made of fluorinated polymer to produce a reaction product while a heated recycle stream of process reactants is fed into the reactor.
Abstract translation: 提供了用于无腐蚀地生产二氟甲烷的液相氟化法。 在本发明的方法中，使二氯甲烷和氟化氢在由氟化聚合物制成的反应器中反应以产生反应产物，同时将加热的反应物循环物流加入反应器中。
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公开(公告)号：EP0923515A1
公开(公告)日：1999-06-23
申请号：EP97928990.0
申请日：1997-06-13
Applicant: AlliedSignal Inc.
Inventor： PHAM, Hang Thanh , SINGH, Rajiv, R. , SMITH, Addison, M. , WILSON, David, P. , THOMAS, Raymond, Hilton, Percival , CERRI, Gustavo
Abstract: The present invention relates to mixtures of difluoromethane ('HFC-32') and chlorine. More particularly, the invention provides azeotrope-like compositions of HFC-32 and chlorine.
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