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公开(公告)号：US11028029B2
公开(公告)日：2021-06-08
申请号：US16758097
申请日：2018-11-08
Applicant: Arkema France
Inventor： Bertrand Collier , Dominique Deur-Bert , Anne Pigamo , Laurent Wendlinger
Abstract: The present invention relates to a process for the production of 2,3,3,3-tetrafluoropropene comprising the stages: i) in a first reactor, bringing 2-chloro-3,3,3-trifluoropropene into contact with hydrofluoric acid in the gas phase in the presence of a catalyst, in order to produce a stream A comprising 2,3,3,3-tetrafluoropropene, HF and unreacted 2-chloro-3,3,3-trifluoropropene; and ii) in a second reactor, bringing hydrofluoric acid into contact, in the gas phase in the presence or absence of a catalyst, with at least one chlorinated compound selected from the group consisting of 1,1,1,2,3-pentachloropropane, 2,3-dichloro-1,1,1-trifluoropropane, 2,3,3,3-tetrachloropropene and 1,1,2,3-tetrachloropropene, in order to produce a stream B comprising 2-chloro-3,3,3-trifluoropropene, characterized in that the stream A obtained in stage i) feeds said second reactor used for stage ii); and in that the pressure at the inlet of said first reactor of stage i) is greater than the pressure at the inlet of said second reactor of stage ii).
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公开(公告)号：US10604690B2
公开(公告)日：2020-03-31
申请号：US15481815
申请日：2017-04-07
Applicant: ARKEMA FRANCE
Inventor： Bertrand Collier , Dominique Deur-Bert , Laurent Wendlinger
Abstract: A composition including the compound HFO-1234yf and at least one other, additional, compound selected from HCFC-240db, HCFO-1233xf, HCFC-243db, HCFO-1233zd, HCC-40, HCFC-114a, HCFC-115, HCFC-122, HCFC-23, HCFC-124, HCFC-124a, HFC-125, HCFC-133a, HCFC-142, HCFC-143, HFC-52a, HCFC-243ab, HCFC-244eb, HFC-281ea, HCO-1110, HCFO-1111, HCFO-1113, HCFO-1223xd, and HCFO-1224xe. A composition including the compound HFO-1234yf and at least two compounds selected from HFO-1234ze, HFC-245cb, HFC-134a, HCFC-115, HFC-152a, HCC-40 and HFO-1243zf.
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公开(公告)号：US10427998B2
公开(公告)日：2019-10-01
申请号：US15575980
申请日：2016-05-04
Applicant: ARKEMA FRANCE
Inventor： Anne Pigamo , Bertrand Collier
IPC: C07C17/25 , C07C17/20 , C07C21/04 , C07C17/266 , C07C17/269 , C07C17/087 , C07C19/01 , C07C19/08 , C07C21/18 , C07C17/38 , C07C17/093 , C07C17/383 , C09K5/04
Abstract: The present invention relates to compositions based on F-1230za (1,1,3,3-tetrachloropropene), or on a mixture consisting of F-1230za and F-1230zd (1,3,3,3-tetrachloropropene), the manufacture thereof, and also the use thereof in particular for the production of F-1233zdE (trans-1-chloro-3,3,3-trifluoropropene), F-1234zeE (trans-1,3,3,3-tetrafluoropropene), and/or F-245fa (1,1,1,3,3-pentafluoropropane).
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公开(公告)号：US10407369B2
公开(公告)日：2019-09-10
申请号：US16063302
申请日：2016-12-14
Applicant: Arkema France
Inventor： Bertrand Collier , Dominique Deur-Bert , Joaquin Lacambra , Laurent Wendlinger
IPC: C07C17/25 , C07C17/20 , C07C17/38 , C07C17/383 , C07C21/18
Abstract: The invention relates to a process for producing 2,3,3,3-tetrafluoropropene performed using a starting composition, comprising the steps of placing the starting composition in contact with HF, in the presence of a catalyst, to produce a composition A comprising 2,3,3,3-tetrafluoropropene (1234yf), intermediate products B consisting of 2-chloro-3,3,3-trifluoropropene (1233xf), 1,1,1,2,2-pentafluoropropane (245cb), and side products C consisting of E-1-chloro-3,3,3-trifluoro-1-propene (1233zdE), trans-1,3,3,3-tetrafluoro-1-propene (1234zeE) and 1,1,1,3,3-pentafluoropropane (245fa); recovery of said composition A and purification thereof to form and recover a first stream comprising 2,3,3,3-tetrafluoropropene (1234yf) and one or more streams comprising 2-chloro-3,3,3-trifluoropropene (1233xf) and/or 1,1,1,2,2-pentafluoropropane (245cb); recycling into step a) of said one or more streams comprising 2-chloro-3,3,3-trifluoropropene (1233xf) and/or 1,1,1,2,2-pentafluoropropane (245cb).
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公开(公告)号：US10077221B2
公开(公告)日：2018-09-18
申请号：US14774161
申请日：2014-02-21
Applicant: ARKEMA FRANCE
Inventor： Philippe Bonnet , Bertrand Collier , Dominique Deur-Bert , Laurent Wendlinger
Abstract: An azeotropic or quasi-azeotropic composition including hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene and optionally one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic or quasi-azeotropic composition including hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, and optionally one or more compounds selected from among 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, 1,3,3,3-tetrafluoropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro,1,1,1,2-tetrafluoropropane.
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Patent Agency Ranking
公开(公告)号：US10029963B2
公开(公告)日：2018-07-24
申请号：US14773961
申请日：2014-02-24
Applicant: ARKEMA FRANCE
Inventor： Philippe Bonnet , Bertrand Collier , Dominique Deur-Bert , Laurent Wendlinger
Abstract: An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 1,3,3,3-tetrafluoropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 1,3,3,3-tetrafluoropropene, and one or more compounds selected from among 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,3,3-pentafluoropropene, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro, 1,1,1,2-tetrafluoropropane.
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公开(公告)号：US09828314B2
公开(公告)日：2017-11-28
申请号：US15039294
申请日：2014-11-10
Applicant: Arkema France
Inventor： Bertrand Collier , Dominique Deur-Bert , Joaquin Lacambra , Anne Pigamo
CPC classification number: C07C17/206 , B01D53/04 , B01D53/78 , B01D53/8662 , B01D53/869 , B01D2251/50 , B01D2251/502 , B01D2253/102 , B01D2253/106 , B01D2257/2047 , B01D2257/2066 , C01B7/0706 , C01B7/0718 , C01B7/0725 , C07C17/25 , C07C17/395 , Y02C20/30 , Y02P20/154 , C07C19/10 , C07C19/08
Abstract: The invention relates to a process for the treatment of a gas stream comprising hydrochloric acid, hydrofluoric acid and fluorinated/oxygenated compounds, in which the gas stream is successively subjected to: a stage of catalytic hydrolysis; a stage of washing with an acid solution; a stage of adsorption of impurities by active charcoal; a stage of adiabatic or isothermal absorption of the hydrochloric acid in an aqueous solution, making it possible to collect hydrochloric acid solution.
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公开(公告)号：US09776938B2
公开(公告)日：2017-10-03
申请号：US15139662
申请日：2016-04-27
Applicant: Arkema France
Inventor： Dominique Deur-Bert , Bertrand Collier , Laurent Wendlinger
IPC: C07C17/00 , C07C17/093 , C07C17/20 , C07C17/25 , C07C17/38 , C07C17/383 , C07C21/00 , C07C21/02 , C07C21/18 , F25J1/00 , F25J3/04
CPC classification number: C07C17/20 , C07C17/206 , C07C17/25 , C07C17/38 , C07C17/383 , F25J1/0022 , F25J3/04412 , C07C21/18
Abstract: The invention concerns a method for producing 2,3,3,3-tetrafluoropropene comprising: a fluoridation reaction of a halopropane and/or halopropene into 2,3,3,3-tetrafluoropropene by means of hydrogen fluoride; the recovery of a gas stream resulting from the reaction; the cooling and partial condensation of the gas stream resulting from the reaction into a partially condensed stream; the separation of the partially condensed stream into a gas fraction and a liquid fraction; the compression of the gas fraction into a compressed gas fraction; the compression of the liquid fraction into a compressed liquid fraction; the distillation of the compressed gas fraction and compressed liquid fraction in order to provide a stream of 2,3,3,3-tetrafluoropropene, a stream of hydrochloric acid, and a stream of unreacted hydrogen fluoride. The invention also concerns an installation suitable for implementing said method.
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公开(公告)号：US09428428B2
公开(公告)日：2016-08-30
申请号：US14420779
申请日：2013-07-03
Applicant: ARKEMA FRANCE
Inventor： Anne Pigamo , Bertrand Collier , Joaquin Lacambra
CPC classification number: C07C17/206 , B01J19/0066 , B01J19/02 , B01J19/18 , B01J19/24 , B01J2219/00006 , B01J2219/0277 , B01J2219/24 , Y02P20/582 , C07C19/08
Abstract: A method for producing difluoromethane, including the catalytic reaction of dichloromethane with hydrogen fluoride in the liquid phase, in the presence of chlorine, and in the presence of an ionic liquid catalyst consisting of the product of the reaction of antimony pentachloride with an organic salt having the general formula X+A, where A is a halide anion or hexafluoroantimonate, and X+ is a quaternary ammonium cation, quarternary phosphonium or ternary sulfonium. Further, equipment suitable for implementing said method.
Abstract translation: 一种生产二氟甲烷的方法，包括在氯存在下二氯甲烷与氟化氢在氯气存在下的催化反应，以及在由五氯化锑与有机盐的反应产物组成的离子液体催化剂存在下， 通式X + A，其中A是卤化物阴离子或六氟锑酸盐，X +是季铵阳离子，季铵或三元锍。 此外，适用于实现所述方法的设备。
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公开(公告)号：US11746073B2
公开(公告)日：2023-09-05
申请号：US17600179
申请日：2020-04-01
Applicant: ARKEMA FRANCE
Inventor： Emmanuel Boussarie , Kevin Hisler , Anne Pigamo , Bertrand Collier
IPC: C07C17/395 , C07C17/20
CPC classification number: C07C17/395 , C07C17/206
Abstract: The present invention relates to a process for purifying 1-chloro-3,3,3-trifluoropropene comprising the steps of: a) providing a stream comprising 1-chloro-3,3,3-trifluoropropene and at least one compound of formula HX wherein X is F or Cl; b) bringing the stream from step a) into contact with a solution A comprising at least one sulfite salt of formula Yn+mSO3 wherein Y is an alkali or alkaline-earth metal, n=1 or 2, and m=2 when n=1 or m=1 when n=2; in order to form a neutralized stream A1 comprising 1-chloro-3,3,3-trifluoropropene.
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