Patents by Inventor Laurent Wendlinger

Laurent Wendlinger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20200223777
    Abstract: A process for preparing a compound of formula (I) HR1R2C—CF2—(C?O)—Y starting with a compound of formula (II) R1R2C?CX—(C?O)—Y or of formula (III) HR1R2C—CX1X2—(C?O)—Y placed in contact with hydrofluoric acid; R1 and R2 being independently selected from H, F, Cl, Br, I, C1-C20-alkyl, C6-C20-aryl and C2-C20-alkenyl, C3-C20-cycloalkenyl and C3-C20-cycloalkyl; X1 and X2 being independently selected from F, Cl, Br and I on condition that X1 and X2 are not simultaneously F; Y being selected from the group of H, C1-C20-alkyl, C1-C20-haloalkyl, C6-C20-aryl, —OH, —OR, —NH2, —NHR, —NR2, —SR, C3-C20-cycloalkyl, C3-C20-cycloalkenyl and C2-C20-alkenyl; R being independently selected from the group of C1-C20-alkyl, C6-C20-aryl and C2-C20-alkenyl, C3-C20-cycloalkenyl and C3-C20-cycloalkyl.
    Type: Application
    Filed: May 22, 2018
    Publication date: July 16, 2020
    Applicant: Arkema France
    Inventor: Laurent WENDLINGER
  • Publication number: 20200223774
    Abstract: A plant for the manufacture of tetrafluoropropene comprises three reactors for reaction in the gas phase comprising a catalyst bed. The first and second reactor are each configured in order to be fed in turn by a device for feeding with a reaction stream comprising a compound B and hydrofluoric acid; and a device for feeding with a regeneration stream configured in order to feed the reactor with a regeneration stream comprising an oxidizing agent. The third reactor is configured in order to be fed in turn by a device for feeding with a reaction stream comprising a compound A and hydrofluoric acid; said compound A being different from said compound B; and a device for feeding with a regeneration stream configured in order to feed the reactor with a regeneration stream comprising an oxidizing agent.
    Type: Application
    Filed: April 1, 2020
    Publication date: July 16, 2020
    Inventors: Dominique DEUR-BERT, Dominique GARRAIT, Anne PIGAMO, Laurent WENDLINGER
  • Publication number: 20200223773
    Abstract: A method for preparing tetrafluoropropene utilising three reactors is described. Each reactor comprises a catalytic bed containing a catalyst or a preliminary catalyst. The method comprises the implementation, separately in each of the reactors, of catalytic reactions or reactions regenerating the catalyst, the quantity of catalyst or preliminary catalyst in the catalytic bed of one of the reactors representing between 90% and 110% of the quantity of catalyst or preliminary catalyst contained in the catalytic bed of one of the other two reactors. A facility configured to implement the method is also described.
    Type: Application
    Filed: March 25, 2020
    Publication date: July 16, 2020
    Inventors: Dominique DEUR-BERT, Dominique GARRAIT, Anne PIGAMO, Laurent WENDLINGER
  • Publication number: 20200206720
    Abstract: The present invention relates to a catalyst comprising a) from 90% to 99.99% by weight of alumina in which said alumina is at least 90% by weight ?-alumina and b) from 0.01% to 10% by weight of at least one metal of valency 0 selected from the group consisting of Pd, Ru, Pt, Rh and Ir, characterized in that the chloride content of said catalyst is less than 500 ppm, based on the total weight of the catalyst.
    Type: Application
    Filed: June 19, 2018
    Publication date: July 2, 2020
    Inventors: Dominique DEUR-BERT, Dominique GARRAIT, Laurent WENDLINGER
  • Publication number: 20200165180
    Abstract: The invention relates to a method for producing and purifying 2,3,3,3-tetrafluoro-1-propene using a first composition comprising 2,3,3,3-tetrafluoro-1-propene, 3,3,3-trifluoropropene (1243zf), and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E), said method comprising the steps of: (a) bringing said first composition into contact with at least one organic extraction agent in order to form a second composition; (b) extractive distillation of said second composition in order to form (i) a third composition comprising said organic extraction agent, 3,3,3-trifluoropropene (1243zf), and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E), and (ii) a stream comprising the 2,3,3,3-tetrafluoro-1-propene; and (c) recovery and separation of said third composition in order to form a stream comprising said organic extraction agent and a stream comprising 3,3,3-trifluoropropene (1243zf) and trans-1,3,3,3-tetra-fluoro-1-propene (1234ze-E).
    Type: Application
    Filed: December 14, 2016
    Publication date: May 28, 2020
    Inventors: Abdelatif BABA-AHMED, Bertrand COLLIER, Dominique DEUR-BERT, Laurent WENDLINGER
  • Publication number: 20200166179
    Abstract: The invention relates to a container housing a composition comprising tetrafluoropropene. The container is made from metal and includes an inner surface, said inner surface being in contact with the composition and being at least partially covered with a polyether- or polyol-type resin. Advantageously, the aforementioned composition comprises at least 15 wt.-% tetrafluoropropene relative to the total weight of the composition.
    Type: Application
    Filed: March 17, 2017
    Publication date: May 28, 2020
    Applicant: Arkema France
    Inventors: Béatrice BOUSSAND, Wissam RACHED, Laurent WENDLINGER
  • Publication number: 20200165181
    Abstract: The invention relates to a method for purifying 1,1,1,2,2-pentafluoropropane (245cb) using a first composition comprising 1,1,1,2,2-pentafluoropropane and at least one of the compounds selected from the group consisting of 1,1-difluoroethane (152a), 1,1,1,2-tetrafluoroethane (134a), trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E), cis-1,3,3,3-tetrafluoro-1-propene (1234ze-Z), trans-1,2,3,3,3-pentafluoropropene (1225ye-E), cis-1,2,3,3,3-10 pentafluoropropene (1225ye-Z) and 3,3,3-trifluoropropene (1243zf), said method comprising the steps of: a) bringing said first composition into contact with at least one organic extraction agent in order to form a second composition; b) extractive distillation of said second composition in order to form i) a third composition comprising said organic extraction agent and said at least one of the compounds selected from the group consisting of 1,1-difluoroethane (152a), 1,1,1,2-tetrafluoroethane (134a), trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E), cis-1,3,3,3-tetrafluoro-1-p
    Type: Application
    Filed: December 14, 2016
    Publication date: May 28, 2020
    Inventors: Abdelatif BABA-AHMED, Bertrand COLLIER, Dominique DEUR-BERT, Laurent WENDLINGER
  • Publication number: 20200157024
    Abstract: The invention refers to a process for the production of 2,3,3,3-tetrafluoropropene carried out starting from a starting composition comprising the stages of bringing the starting composition into contact, in the presence of a catalyst, with HF in order to produce a composition A comprising 2,3,3,3-tetrafluoropropene (HFO-1234yf), intermediate products B consisting of 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), 1,1,1,2,2-pentafluoropropane (HFC-245cb), and byproducts C consisting of E-1-chloro-3,3,3-trifluoro-1-propene (HCFO-1233zdE), trans-1,3,3,3-tetrafluoro-1-propene (HFO-1234zeE) and 1,1,1,3,3-pentafluoropropane (HFC-245fa); recovery of said composition A and purification of the latter in order to form and recover a first gas stream G1 comprising HCl, 2,3,3,3-tetrafluoropropene (HFO-1234yf), a part of the unreacted HF, a part of the intermediate products B and a part of the byproducts C; and a stream, which is preferably liquid, L1 comprising a part of the unreacted HF, a part of the intermediate produc
    Type: Application
    Filed: April 20, 2018
    Publication date: May 21, 2020
    Inventors: Dominique DEUR-BERT, Anne PIGAMO, Laurent WENDLINGER
  • Publication number: 20200157027
    Abstract: The present invention relates to a method for producing high-purity 1,1,1,2,3,3-hexafluoropropane and a composition containing mainly 1,1,1,2,3,3-hexafluoropropane, suitable for use as a cleaning agent in the semiconductor industry.
    Type: Application
    Filed: May 30, 2018
    Publication date: May 21, 2020
    Inventors: Laurent WENDLINGER, Dominique DEUR-BERT
  • Publication number: 20200157029
    Abstract: The invention concerns a method for purifying 2-chloro-3,3,3-trifluoropropene (1233xf) from a first composition comprising 2-chloro-3,3,3-trifluoropropene and at least one of the compounds chosen from the group consisting of E-1-chloro-3,3,3-trifluoro-1-propene (1233zd E), 1,1,1,3,3-pentafluoropropane (245fa) and 1,1,1,3,3,3-hexafluoropropane (236fa), said method comprising the steps of bringing said first composition into contact with at least one organic extractant in order to form a second composition; extractive distillation of said second composition in order to form a third composition comprising at least one of the compounds chosen from the group consisting of E-1-chloro-3,3,3-trifluoro-1-propene (1233zd E), 1,1,1,3,3-pentafluoropropane (245fa) and 1,1,1,3,3,3-hexafluoropropane (236fa), and said organic extractant; and a stream comprising 2-chloro-3,3,3-trifluoropropene.
    Type: Application
    Filed: December 14, 2016
    Publication date: May 21, 2020
    Applicant: Arkema France
    Inventors: Abdelatif BABA-AHMED, Bertrand COLLIER, Dominique DEUR-BERT, Laurent WENDLINGER
  • Publication number: 20200157026
    Abstract: The present invention relates to a process for purifying a stream including 1,1,1,2,2-pentafluoropropane, comprising the steps of i) providing a stream A comprising 1,1,1,2,2-pentafluoropropane and at least one of the compounds selected from the group consisting of 2-chloro-1,1,1,3,3-pentafluoropropane, 1,2-dichloro-3,3,3-trifluoropropene, 2-chloro-1,3,3,3-tetrafluoropropene; ii) purification, preferably by distillation, of the stream A provided in i) in order to form a first stream A1 comprising 1,1,1,2,2-pentafluoropropane, preferably recovered at the top of the distillation column, and a second stream A2 comprising said at least one of the compounds selected from the group consisting of 2-chloro-1,1,1,3,3-pentafluoropropane, 1,2-dichloro-3,3,3-trifluoropropene, 2-chloro-1,3,3,3-tetrafluoropropene, preferably recovered at the bottom of the distillation column.
    Type: Application
    Filed: April 20, 2018
    Publication date: May 21, 2020
    Inventors: Dominique DEUR-BERT, Dominique GARRAIT, Anne PIGAMO, Laurent WENDLINGER
  • Publication number: 20200148612
    Abstract: A process for the fluorination of a chlorinated C3 alkane or alkene compound having at least one chlorine atom into a fluorinated C3 alkane or alkene compound having at least one fluorine atom includes the following steps: a) contacting, in a reactor, the chlorinated compound with hydrogen fluoride in gas phase in the presence of a fluorination catalyst to produce a fluorinated compound, and b) regenerating the fluorination catalyst used in step a). The step (b) of regenerating the fluorination catalyst comprises (c) the treatment of said fluorination catalyst with an oxidizing agent-containing gas flow to form an oxidized fluorination catalyst, and (d) the treatment of the oxidized fluorination catalyst obtained in step (c) with a gaseous mixture comprising a reducing agent and an inert gas. The catalyst regenerated in step b) is reused in step a) and the reducing agent is selected from C1-C10 hydrohalocarbons.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 14, 2020
    Inventors: David Andre, Dominique Deur-Bert, Dominique Garrait, Anne Pigamo, Laurent Wendlinger
  • Publication number: 20200140357
    Abstract: The present invention relates to a process for modifying the fluorine distribution in a hydrocarbon compound, comprising a step of placing in contact between a hydrocarbon compound and a catalytic composition comprising a chromium-based catalyst, said process being performed in a reactor made of a material comprising a base layer made of a material M1 and an inner layer made of a material M2, said base layer and said inner layer being laid against each other, characterized in that the material M2 comprises at least 80% by weight of nickel on the basis of the total weight of the material M2, advantageously at least 90% by weight, preferably at least 95% by weight, in particular at least 99% by weight of nickel on the basis of the total weight of the material M2.
    Type: Application
    Filed: June 5, 2018
    Publication date: May 7, 2020
    Inventors: Dominique DEUR-BERT, Anne PIGAMO, Laurent WENDLINGER
  • Patent number: 10640438
    Abstract: The present invention concerns a method for preparing tetrafluoropropene utilising three reactors and comprising the steps of (a) implementing, in the first and second reactors, at least one step of reacting, in the gas phase, a compound B in the presence of hydrofluoric acid and a catalyst, in alternation with a step of regenerating the catalyst by bringing it into contact with a regeneration flow comprising an oxidising agent, (b) implementing, in the third reactor, a preliminary step of producing the compound B, in alternation with a step of regenerating the preliminary catalyst with a regeneration flow comprising an oxidising agent. The step of regenerating the preliminary catalyst in the third reactor is implemented in the absence of a step of reacting the compound B in the presence of hydrofluoric acid in said first and second reactors. The present invention also concerns a facility configured to implement the present method.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: May 5, 2020
    Assignee: Arkema France
    Inventors: Dominique Deur-Bert, Dominique Garrait, Anne Pigamo, Laurent Wendlinger
  • Publication number: 20200131104
    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 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 stage i) is carried out at a temperature which is lower than or equal to the temperature at which stage ii) is carried out.
    Type: Application
    Filed: July 16, 2018
    Publication date: April 30, 2020
    Inventors: Bertrand COLLIER, Dominique DEUR-BERT, Anne PIGAMO, Laurent WENDLINGER
  • Patent number: 10633312
    Abstract: The invention concerns a method for purifying and drying a hydrofluoroolefin stream comprising a hydrofluoroolefin, water and impurities composed of halogenated carbon compounds, characterised in that said stream is brought into contact with an adsorbent and in that the purification and the drying processes are carried out simultaneously in one and the same step, said hydrofluoroolefin being a compound of formula (I): CX1X2?CX3CX4X5X6 in which each Xi (i ranging from 1 to 6) represents, independently of one another, a hydrogen atom or a chlorine or fluorine atom, it being understood that at least one of the Xi's represents a fluorine atom.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: April 28, 2020
    Assignee: Arkema France
    Inventors: Anne Pigamo, Dominique Deur-Bert, Laurent Wendlinger
  • Patent number: 10633309
    Abstract: The present invention concerns a method for preparing tetrafluoropropene utilising three reactors each comprising a catalytic bed containing a catalyst or a preliminary catalyst, and comprising the implementation, separately in each of the reactors, of catalytic reactions or reactions regenerating the catalyst, the quantity of catalyst or preliminary catalyst in the catalytic bed of one of the reactors representing between 90% and 110% of the quantity of catalyst or preliminary catalyst contained in the catalytic bed of one of the other two reactors. The present invention also concerns a facility configured to implement the present method.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: April 28, 2020
    Assignee: ARKEMA FRANCE
    Inventors: Dominique Deur-Bert, Dominique Garrait, Anne Pigamo, Laurent Wendlinger
  • Patent number: 10604690
    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.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: March 31, 2020
    Assignee: ARKEMA FRANCE
    Inventors: Bertrand Collier, Dominique Deur-Bert, Laurent Wendlinger
  • Patent number: 10596536
    Abstract: An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 3,3,3-trifluoro-2-chloropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also an azeotropic or quasi-azeotropic composition including hydrogen fluoride, 3,3,3-trifluoro-2-chloropropene, and one or more compounds selected from among 1,3,3,3-tetrafluoropropene, 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, E-3,3,3-trifluoro-1-chloropropene, trifluoropropyne, 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,1,1,1,2-1 tetrafluoropropane.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: March 24, 2020
    Assignee: ARKEMA FRANCE
    Inventors: Philippe Bonnet, Bertrand Collier, Dominique Deur-Bert, Laurent Wendlinger
  • Patent number: 10577294
    Abstract: The present invention relates to a method for fluorinating a chlorinated compound including the steps of (a) placing said chlorinated compound in contact with gaseous hydrogen fluoride within a reactor and in the presence of a fluorination catalyst to produce a fluorinated compound, and (b) regenerating the fluorination catalyst used in step a), the step of regenerating the fluorination catalyst including (c) treating said fluorination catalyst with an oxidizing agent to form an oxidized fluorination catalyst, and (d) treating the oxidized fluorination catalyst obtained in step (c) with a gas mixture including a reducing agent.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: March 3, 2020
    Assignee: Arkema France
    Inventors: David Andre, Dominique Deur-Bert, Dominique Garrait, Anne Pigamo, Laurent Wendlinger