WO2008149011A2 - Procede de preparation des (hydro)(chloro)olefines - Google Patents
Procede de preparation des (hydro)(chloro)olefines Download PDFInfo
- Publication number
- WO2008149011A2 WO2008149011A2 PCT/FR2008/050821 FR2008050821W WO2008149011A2 WO 2008149011 A2 WO2008149011 A2 WO 2008149011A2 FR 2008050821 W FR2008050821 W FR 2008050821W WO 2008149011 A2 WO2008149011 A2 WO 2008149011A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- equal
- hydro
- integer
- formula
- process according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
- C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
Definitions
- the present invention relates to a process for preparing (hydro) (chloro) fluoroolefins. It relates more particularly to a process for the preparation of (hydro) (chloro) fluoropropenes.
- WO 2004/037913 teaches the use of tetrafluoropropene and pentafluoropropene as low GWP (low global warming potential) refrigerants.
- hydrofluoro-olefins are generally obtained by the dehydrohalogenation reaction.
- Tetrafluoropropene can also be obtained by the dehydrofluorination reaction of pentafluoroethane (US 5986151). Trifluoropropene and tetrafluoropropene are also formed during the fluorination reaction of pentachloroethane with HF in the presence of a catalyst (WO 9812161).
- Another route of preparation of trifluoropropene and / or tetrafluoropropene is to react trichloropropene with HF in the presence of a catalyst (US 5811603).
- the fluorination reactions in the liquid phase require to be effective to use a reaction medium rich in HF and SbCl 5 (or SbCl x F y) and temperatures between 80 and 120 0 C.
- the HF anhydrous form of liquid phase forms with SbCl 5 a very corrosive superacidic medium.
- the present invention describes a process for the preparation of
- the (hydro) haloalkane of general formula (II) may be derived from a telomerization reaction between a haloalkane preferably having a carbon atom and a haloalkene.
- a represents an integer equal to 3 or 4 and advantageously a is equal to 3.
- the preferred (hydro) (chloro) fluoroolefins are trifluoropropene
- the fluorination step is advantageously carried out in the presence of anhydrous hydrofluoric acid.
- the process according to the invention may further comprise a step of dehydrohalogenation or hydrofluorination of the product or fluorinated products resulting from the reaction in the presence of at least one ionic liquid.
- a (hydro) haloalkane of general formula (II) is reacted with a equal to 3, b 'equal to zero, c' equal to 5 or 6 and X preferably represents C1, with anhydrous hydrofluoric acid in the presence of a catalyst comprising at least one ionic liquid to give a fluorinated compound of formula CsH n Fs-H with n equal to 2 or 3.
- the fluorinated compound after optional separation, is then subjected to a dehydrofluorination step to give the desired hydrofluoroolefin.
- a (hydro) haloalkene of general formula (III) is reacted with a equal to 3, b "equal to zero, c" equal to 4 and X preferably represents Cl, with anhydrous hydrofluoric acid in the presence of a catalyst comprising at least one ionic liquid to give a fluorinated compound of formula CsH 2 FpX 4 -P , p representing a value equal to 3 or 4 and / or of formula CsH n F 8 - H with n being able to take the value 2 or 3.
- the products resulting from the fluorination step comprise a compound of formula CsH n F 8-n , the latter is subjected to a dehydrofluorination step.
- 2-chloro, 1, 1, 1-trifluoropropene (1233 xf) and / or 1,1,1,2-tetrafluoropropene (1234 yf) can or can be obtained from 1, 1, 2,3-tetrachloropropene (1230xa) by fluorination in the liquid phase in the presence of at least one ionic liquid as catalyst.
- 1,1,1,2-tetrafluoropropene (1234 yf) can also be obtained from 2-chloro, 1,1,1-trifluoropropene (1233xf) by fluorination in the liquid phase in the presence of at least one ionic liquid. as a catalyst to give 2-chloro, 1, 1, 1, 2-tetrafluoropropane (244 bb) and / or 1,1,1,2,2 pentafluoropropane (245 bb) which is or is subsequently subjected to a dehydrohalogenation step either in the liquid phase or in the gas phase.
- 1,1,1,3-tetrafluoropropene (1234 ze) can be obtained from 3-chloro, 1,1,1-trifluoropropene (1233 zd).
- 1,1,1,2-tetrafluoropropene (1234 yf) can be obtained from 1,1,1,2-tetrachloro-2-fluoropropane (241 bb) by fluorination in the liquid phase in the presence of less an ionic liquid as a catalyst.
- Ionic liquids that may be suitable are derived from Lewis acids based on aluminum, titanium, niobium, tantalum, tin, antimony, nickel, zinc or iron.
- Ionic liquids are non-aqueous salts of ionic character which are liquid at moderate temperatures (preferably below 120 ° C.).
- the ionic liquids preferably result from the reaction between an organic salt and an inorganic compound.
- the ionic liquids are preferably obtained by reacting at least one halogenated or oxyhalogenated Lewis acid based on aluminum, titanium, niobium, tantalum, tin, antimony, nickel, zinc or iron with a salt of general formula Y + A - , in which A " denotes a halide anion (bromide, iodide and, preferably chloride or fluoride) or hexafluoroantimoniate (SbF ⁇ " ) and Y + a quaternary ammonium, quaternary phosphonium or sulphonium cation ternary Halogenated Lewis acid based on aluminum, titanium, niobium, tantalum, antimony, nickel, zinc or iron may be a chlorinated, brominated, fluorinated or mixed derivative, for example a Chlorofluorinated acid: Chlorides, fluorides or chlorofluorides of the following formulas may be mentioned in particular: TiCI x Fy with
- the following compounds are preferably used: TiCl 4 , TaCl 5 + TaF 5 , NbCl 5 + NbF 5 , SbCl 5 , SbFCI 4 , SbF 2 Cl 3 , SbF 3 Cl, SbF 4 Cl, SbF 5 and SbCl 5 + SbF 5 . More particularly preferred are the antimonial compounds.
- the cation Y + may respond to one of the following general formulas:
- ammonium, phosphonium or sulfonium cation Y + may also be part of a saturated or unsaturated heterocyclic ring, or aromatic ring having from 1 to 3 nitrogen, phosphorus or sulfur atoms, and to respond to one or other of following general formulas:
- R 1 and R 2 are as defined above.
- a salt containing 2 or 3 ammonium, phosphonium or sulfonium sites in their formula may also be suitable.
- Examples of salts Y + A " include tetraalkyl ammonium chlorides and fluorides, tetraalkyl phosphonium chlorides and fluorides, and trialkyl sulfonium chlorides and fluorides, alkyl pyridinium chlorides and fluorides, chlorides, fluorides and bromides.
- the ionic liquids may be prepared in a manner known per se by appropriate mixing of the halogenated or oxyhalogenated Lewis acid and the organic salt Y + A " .
- Advantageously preferred ionic liquids are those derived from a Lewis acid / organic salt molar ratio strictly greater than 1: 1.
- the liquid phase fluorination step using as catalyst an ionic liquid can be carried out batchwise, semi-continuously and continuously.
- the molar amount of HF on the molar amount of starting material is between 2 and 50 and preferably between 10 and 30.
- the molar amount of HF fed to the molar amount of feedstock fed is at least equal to the stoichiometric ratio.
- the amount of catalyst depends on the operating conditions, the reaction medium (in the case of a continuous process) but also the intrinsic activity of the catalyst. This amount is between 0.5 and 90% (molar) of the reaction medium.
- the temperature at which the fluorination reaction is carried out is generally between 30 and 180 ° C., preferably between 80 and 130 ° C.
- the pressure at which the reaction is carried out in semi-continuous or continuous modes is chosen so as to maintain the reaction medium in the liquid phase. It is generally between 5 and 50 bars and preferentially between
- the operating pressure chosen is in general the saturation vapor pressure of I 1 HF at the desired reaction temperature.
- the condenser temperature is set according to the amount and nature of the products that can be removed during the reaction. It is generally between -50 and 150 ° C. and preferably between 0 and 100 ° C.
- a stainless steel reactor or alloys such as MONEL, INCONEL or HASTELLOY may be suitable for fluorination.
- the fluorination step in the presence of an ionic liquid is less corrosive.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200880016545A CN101679151A (zh) | 2007-05-31 | 2008-05-13 | 制备(氢)(氯)烯烃的方法 |
| US12/601,365 US20100191025A1 (en) | 2007-05-31 | 2008-05-13 | Process for preparing (hydro)(chloro)olefins |
| EP08805769A EP2148849A2 (fr) | 2007-05-31 | 2008-05-13 | Procede de preparation des (hydro)(chloro)olefines |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0755357 | 2007-05-31 | ||
| FR0755357A FR2916755B1 (fr) | 2007-05-31 | 2007-05-31 | Procede de preparation d'(hydro)(chloro)(fluoro)olefines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2008149011A2 true WO2008149011A2 (fr) | 2008-12-11 |
| WO2008149011A3 WO2008149011A3 (fr) | 2009-04-16 |
Family
ID=38928871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2008/050821 Ceased WO2008149011A2 (fr) | 2007-05-31 | 2008-05-13 | Procede de preparation des (hydro)(chloro)olefines |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20100191025A1 (fr) |
| EP (1) | EP2148849A2 (fr) |
| CN (1) | CN101679151A (fr) |
| FR (1) | FR2916755B1 (fr) |
| WO (1) | WO2008149011A2 (fr) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011130108A1 (fr) * | 2010-04-14 | 2011-10-20 | Arkema Inc. | Procédé de fabrication de tétrafluorooléfines |
| WO2011135416A1 (fr) | 2010-04-26 | 2011-11-03 | Arkema France | Procédé de fabrication de 2-chloro-3, 3, 3-trifluoropropène (hcfo 1233xf) par fluoration en phase liquide de pentachloropropane |
| WO2012052797A1 (fr) | 2010-10-22 | 2012-04-26 | Arkema France | Procédé de synthèse de 2,3,3,3-tétrafluoropropène |
| WO2012056263A1 (fr) | 2010-10-25 | 2012-05-03 | Arkema France | Procédé de fabrication de 2-chloro-1,1,1,2-tétrafluoropropane par fluoration en phase liquide de 2-chloro-3,3,3-trifluoropropane |
| WO2012066375A1 (fr) | 2010-11-15 | 2012-05-24 | Arkema France | Procédé de fabrication de 2-chloro-3,3,3-trifluoropropène (hcfo 1233xf) par fluoration en phase liquide du pentachloropropane |
| US20150105596A1 (en) * | 2013-10-15 | 2015-04-16 | Honeywell International Inc. | Process for producing 1-chloro-3,3,3-trifluoropropene in an ionic liquid |
| JP2016104789A (ja) * | 2016-01-14 | 2016-06-09 | アルケマ フランス | 2−クロロ−3,3,3−トリフルオロプロペンの液相フッ素化で2−クロロ−1,1,1,2−テトラフルオロプロペンを製造する方法 |
| WO2017178857A1 (fr) | 2016-04-13 | 2017-10-19 | Arkema France | Procédé de fabrication du 2,3,3,3-tétrafluoropropène |
| WO2018178552A1 (fr) | 2017-03-28 | 2018-10-04 | Arkema France | Procédé de production du 2,3,3,3-tetrafluoropropène |
| WO2018178551A1 (fr) | 2017-03-28 | 2018-10-04 | Arkema France | Procede de production du 2,3,3,3-tetrafluoropropene. |
| WO2018197787A1 (fr) | 2017-04-28 | 2018-11-01 | Arkema France | Procédé de purification du 1,1,1,2,2-pentafluoropropane |
| EP3511311A1 (fr) | 2013-03-12 | 2019-07-17 | Honeywell International Inc. | Procédé d'atténuation de la formation de hfc-245cb pendant l'hydrofluoration de hcfo-1233xf en hcfc-244bb |
| WO2019170990A1 (fr) | 2018-03-07 | 2019-09-12 | Arkema France | Procédé de production du 2-chloro-3,3,3-trifluoropropène |
| US10427998B2 (en) | 2015-05-22 | 2019-10-01 | Arkema France | Compositions based on 1,1,3,3-tetrachloropropene |
| US10532965B2 (en) | 2014-01-13 | 2020-01-14 | Arkema France | E-1-chloro-3,3,3-trifluoropropene production process from 1,1,3,3-tetrachloropropene |
| US11034635B2 (en) | 2018-03-07 | 2021-06-15 | Arkema France | Process for the production of 2,3,3,3-tetrafluoropropene |
| US11084768B2 (en) | 2018-03-07 | 2021-08-10 | Arkema France | Process for the production of 2,3,3,3-tetrafluoropropene |
| US11242304B2 (en) | 2018-05-16 | 2022-02-08 | Arkema France | Method for producing 1-chloro-3,3,3- trifluoropropene |
| US11286221B2 (en) | 2018-06-27 | 2022-03-29 | Arkema France | Method for producing 1-chloro-3,3,3-trifluoropropene |
| US11459285B2 (en) | 2014-07-02 | 2022-10-04 | Arkema France | Process for manufacturing tetrafluoropropene |
| US11952322B2 (en) | 2018-09-26 | 2024-04-09 | Arkema France | Stabilization of 1-chloro-3,3,3-trifluoropropene |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8008243B2 (en) * | 2008-10-31 | 2011-08-30 | Honeywell International Inc. | Azeotrope-like compositions of 1,1,2,3-tetrachloropropene and hydrogen fluoride |
| US8889925B2 (en) * | 2010-03-10 | 2014-11-18 | Arkema France | Process of fluorination in liquid phase |
| US9000240B2 (en) | 2011-05-19 | 2015-04-07 | Honeywell International Inc. | Integrated process for the production of 1-chloro-3,3,3-trifluoropropene |
| WO2015104517A1 (fr) | 2014-01-13 | 2015-07-16 | Arkema France | Procede de production du e-1-chloro-3,3,3-trifluoropropene a partir du 1,1,3,3-tetrachloropropene |
| CN103965011B (zh) * | 2014-05-06 | 2016-04-27 | 西安近代化学研究所 | 一种3,3,3-三氟丙烯的制备方法 |
| CN104030884B (zh) * | 2014-06-19 | 2015-12-02 | 临海市利民化工有限公司 | 一种2,3,3,3-四氟丙烯的制备方法 |
| CN104140354A (zh) * | 2014-08-07 | 2014-11-12 | 西安近代化学研究所 | 一种2-氯-1,1,1,2-四氟丙烷的制备方法 |
| CN105439804B (zh) * | 2015-11-11 | 2017-08-08 | 西安近代化学研究所 | 一种1,1,1,2,2‑五氟丙烷的制备方法 |
| CN114262255B (zh) * | 2021-12-01 | 2023-10-20 | 西安近代化学研究所 | 一种合成反式-1,1,1,4,4,4-六氟-2-丁烯的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2558080B2 (ja) * | 1994-11-02 | 1996-11-27 | 株式会社奈和精機製作所 | 搬送装置 |
| US5710352A (en) * | 1996-09-19 | 1998-01-20 | Alliedsignal Inc. | Vapor phase process for making 1,1,1,3,3-pentafluoropropane and 1-chloro-3,3,3-trifluoropropene |
| US5986151A (en) * | 1997-02-05 | 1999-11-16 | Alliedsignal Inc. | Fluorinated propenes from pentafluoropropane |
| FR2808268B1 (fr) * | 2000-04-26 | 2002-08-30 | Atofina | Liquides ioniques derives d'acides de lewis a base de titane, niobium, tantale, etain ou antimoine, et leurs applications |
| US7091388B2 (en) * | 2003-09-26 | 2006-08-15 | Honeywell International Inc. | Method of making 1,1,3,3,3-pentafluoropropene |
| US8084653B2 (en) * | 2004-04-29 | 2011-12-27 | Honeywell International, Inc. | Method for producing fluorinated organic compounds |
-
2007
- 2007-05-31 FR FR0755357A patent/FR2916755B1/fr not_active Expired - Fee Related
-
2008
- 2008-05-13 CN CN200880016545A patent/CN101679151A/zh active Pending
- 2008-05-13 EP EP08805769A patent/EP2148849A2/fr not_active Withdrawn
- 2008-05-13 WO PCT/FR2008/050821 patent/WO2008149011A2/fr not_active Ceased
- 2008-05-13 US US12/601,365 patent/US20100191025A1/en not_active Abandoned
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011130108A1 (fr) * | 2010-04-14 | 2011-10-20 | Arkema Inc. | Procédé de fabrication de tétrafluorooléfines |
| WO2011135416A1 (fr) | 2010-04-26 | 2011-11-03 | Arkema France | Procédé de fabrication de 2-chloro-3, 3, 3-trifluoropropène (hcfo 1233xf) par fluoration en phase liquide de pentachloropropane |
| US20130267740A1 (en) * | 2010-10-22 | 2013-10-10 | Arkema France | Process for the preparation of 2,3,3,3 tetrafluoropropene |
| WO2012052797A1 (fr) | 2010-10-22 | 2012-04-26 | Arkema France | Procédé de synthèse de 2,3,3,3-tétrafluoropropène |
| EP3363776A1 (fr) | 2010-10-22 | 2018-08-22 | Arkema France | Procédé de préparation de 2,3,3-tétrafluoropropène |
| US9120716B2 (en) * | 2010-10-22 | 2015-09-01 | Arkema France | Process for the preparation of 2,3,3,3 tetrafluoropropene |
| RU2552531C2 (ru) * | 2010-10-25 | 2015-06-10 | Аркема Франс | Способ получения 2-хлор-1,1,1,2-тетрафторпропана фторированием 2-хлор-3,3,3-трифторпропена в жидкой фазе |
| WO2012056263A1 (fr) | 2010-10-25 | 2012-05-03 | Arkema France | Procédé de fabrication de 2-chloro-1,1,1,2-tétrafluoropropane par fluoration en phase liquide de 2-chloro-3,3,3-trifluoropropane |
| JP2014501703A (ja) * | 2010-10-25 | 2014-01-23 | アルケマ フランス | 2−クロロ−3,3,3−トリフルオロプロペンの液相フッ素化で2−クロロ−1,1,1,2−テトラフルオロプロペンを製造する方法 |
| EP2632881B1 (fr) | 2010-10-25 | 2017-07-26 | Arkema France | Procédé de fabrication de 2-chloro-1,1,1,2-tétrafluoropropane par fluoration en phase liquide de 2-chloro-3,3,3-trifluoropropène |
| US9567274B2 (en) | 2010-10-25 | 2017-02-14 | Arkema France | Process for the manufacture of 2-chloro-1,1,1,2-tetrafluoropropane by liquid phase fluorination of 2-chloro-3,3,3-trifluoropropene |
| US20130245341A1 (en) * | 2010-10-25 | 2013-09-19 | Anne Pigamo | Process for the manufacture of 2-chloro-1,1,1,2-tetrafluoropropane by liquid phase fluorination of 2-chloro-3,3,3-trifluoropropane |
| US9255044B2 (en) * | 2010-10-25 | 2016-02-09 | Arkema France | Process for the manufacture of 2-chloro-1,1,1,2-tetrafluoropropane by liquid phase fluorination of 2-chloro-3,3,3-trifluoropropene |
| US20160107957A1 (en) * | 2010-10-25 | 2016-04-21 | Arkema France | Process for the manufacture of 2-chloro-1,1,1,2-tetrafluoropropane by liquid phase fluorination of 2-chloro-3,3,3-trifluoropropene |
| WO2012066375A1 (fr) | 2010-11-15 | 2012-05-24 | Arkema France | Procédé de fabrication de 2-chloro-3,3,3-trifluoropropène (hcfo 1233xf) par fluoration en phase liquide du pentachloropropane |
| US20140155659A1 (en) * | 2010-11-15 | 2014-06-05 | Arkema France | PROCESS FOR THE MANUFACTURE OF 2-CHLORO-3,3,3-TRIFLUOROPROPENE (HCFO 1233xf) BY LIQUID PHASE FLUORINATION OF PENTACHLOROPROPANE |
| EP3511311A1 (fr) | 2013-03-12 | 2019-07-17 | Honeywell International Inc. | Procédé d'atténuation de la formation de hfc-245cb pendant l'hydrofluoration de hcfo-1233xf en hcfc-244bb |
| US9272967B2 (en) * | 2013-10-15 | 2016-03-01 | Honeywell International Inc. | Process for producing 1-chloro-3,3,3-trifluoropropene in an ionic liquid |
| US20150105596A1 (en) * | 2013-10-15 | 2015-04-16 | Honeywell International Inc. | Process for producing 1-chloro-3,3,3-trifluoropropene in an ionic liquid |
| US10532965B2 (en) | 2014-01-13 | 2020-01-14 | Arkema France | E-1-chloro-3,3,3-trifluoropropene production process from 1,1,3,3-tetrachloropropene |
| US11459285B2 (en) | 2014-07-02 | 2022-10-04 | Arkema France | Process for manufacturing tetrafluoropropene |
| US10427998B2 (en) | 2015-05-22 | 2019-10-01 | Arkema France | Compositions based on 1,1,3,3-tetrachloropropene |
| JP2016104789A (ja) * | 2016-01-14 | 2016-06-09 | アルケマ フランス | 2−クロロ−3,3,3−トリフルオロプロペンの液相フッ素化で2−クロロ−1,1,1,2−テトラフルオロプロペンを製造する方法 |
| WO2017178857A1 (fr) | 2016-04-13 | 2017-10-19 | Arkema France | Procédé de fabrication du 2,3,3,3-tétrafluoropropène |
| WO2018178551A1 (fr) | 2017-03-28 | 2018-10-04 | Arkema France | Procede de production du 2,3,3,3-tetrafluoropropene. |
| WO2018178552A1 (fr) | 2017-03-28 | 2018-10-04 | Arkema France | Procédé de production du 2,3,3,3-tetrafluoropropène |
| WO2018197787A1 (fr) | 2017-04-28 | 2018-11-01 | Arkema France | Procédé de purification du 1,1,1,2,2-pentafluoropropane |
| US10947173B2 (en) | 2017-04-28 | 2021-03-16 | Arkema France | Method for purifying 1,1,1,2,2-pentafluoropropane |
| WO2019170990A1 (fr) | 2018-03-07 | 2019-09-12 | Arkema France | Procédé de production du 2-chloro-3,3,3-trifluoropropène |
| US11028027B2 (en) | 2018-03-07 | 2021-06-08 | Arkema France | Process for producing 2-chloro-3,3,3-trifluoropropene |
| US11034635B2 (en) | 2018-03-07 | 2021-06-15 | Arkema France | Process for the production of 2,3,3,3-tetrafluoropropene |
| US11084768B2 (en) | 2018-03-07 | 2021-08-10 | Arkema France | Process for the production of 2,3,3,3-tetrafluoropropene |
| US11242304B2 (en) | 2018-05-16 | 2022-02-08 | Arkema France | Method for producing 1-chloro-3,3,3- trifluoropropene |
| US12391634B2 (en) | 2018-05-16 | 2025-08-19 | Arkema France | Method for producing 1-chloro-3,3,3-trifluoropropene |
| US11286221B2 (en) | 2018-06-27 | 2022-03-29 | Arkema France | Method for producing 1-chloro-3,3,3-trifluoropropene |
| US11952322B2 (en) | 2018-09-26 | 2024-04-09 | Arkema France | Stabilization of 1-chloro-3,3,3-trifluoropropene |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008149011A3 (fr) | 2009-04-16 |
| FR2916755A1 (fr) | 2008-12-05 |
| US20100191025A1 (en) | 2010-07-29 |
| FR2916755B1 (fr) | 2009-08-21 |
| CN101679151A (zh) | 2010-03-24 |
| EP2148849A2 (fr) | 2010-02-03 |
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