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).

  • Catalytic gas phase fluorination
    Patent number: 10011544
    Abstract: The present invention relates to a fluorination process, comprising: an activation stage comprising contacting a fluorination catalyst with an oxidizing agent-containing gas flow for at least one hour; and at least one reaction stage comprising reacting a chlorinated compound with hydrogen fluoride in gas phase in the presence of the fluorination catalyst, so as to produce a fluorinated compound.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: July 3, 2018
    Assignee: Arkema France
    Inventors: Anne Pigamo, Nicolas Doucet, Laurent Wendlinger
  • METHOD FOR PRODUCING FLUORINATED COMPOUNDS
    Publication number: 20180141885
    Abstract: The invention relates to a method for producing a fluorinated compound, comprising: the provision of a gaseous flow comprising hydrofluoric acid; the provision of at least one liquid flow of a chlorinated compound and the vapourisation thereof by mixing with said gaseous flow, the resulting mixture being a gaseous mixture; and the catalytic reaction of the chlorinated compound with hydrofluoric acid in a gaseous phase and the collection of a product flow. The invention also relates to a facility for carrying out said method.
    Type: Application
    Filed: January 4, 2018
    Publication date: May 24, 2018
    Inventors: Philippe BONNET, Bertrand COLLIER, Dominique DEUR-BERT, Dominique GARRAIT, Anne PIGAMO, Laurent WENDLINGER
  • Azeotropic or quasi-azeotropic composition of chloromethane
    Patent number: 9969918
    Abstract: Quasi-azeotropic or azeotropic compositions containing chloromethane and at least one or more compound(s) selected from 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 1,1,1,2-tetrafluoroethane, 1,1,1,2,2-pentafluoropropane, E/Z-1,1,3,3,3-pentafluoropropene, E/Z-1,2,3,3,3-pentafluoropropene, 1,1-difluoroethane and E-1,3,3,3-tetrafluoropropene. The composition may include either from 0.5 to 70 mol % of chloromethane and at least from 99.5 to 30 mol % of a compound selected from 2,3,3,3-tetrafluoropropene, 1,1-difluoroethane, 3,3,3-trifluoropropene and 1,1,1,2-tetrafluoroethane, or from 55 to 95 mol % of chloromethane and at least from 45 to 5 mol % of one or more compound(s) selected from 1,1,1,2,2-pentafluoropropane, E/Z-1,1,3,3,3-pentafluoropropene, E/Z-1,2,3,3,3-pentafluoropropene and E-1,3,3,3-tetrafluoropropene.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: May 15, 2018
    Assignee: ARKEMA FRANCE
    Inventors: Dominique Deur-Bert, Laurent Wendlinger
  • Catalytic gas phase fluorination
    Patent number: 9969663
    Abstract: The invention relates to a fluorination process, alternately comprising reaction stages and regeneration stages, wherein the reaction stages comprise reacting a chlorinated compound with hydrogen fluoride in gas phase in the presence of a fluorination catalyst to produce a fluorinated compound, and the regeneration stages comprise contacting the fluorination catalyst with an oxidizing agent-containing gas flow.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: May 15, 2018
    Assignee: Arkema France
    Inventors: Anne Pigamo, Laurent Wendlinger, Nicolas Doucet
  • COMPOSITION COMPRISING HF AND 3,3,3-TRIFLUORO-2-CHLOROPROPENE
    Publication number: 20180126348
    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: Application
    Filed: December 29, 2017
    Publication date: May 10, 2018
    Applicant: ARKEMA FRANCE
    Inventors: Philippe BONNET, Bertrand COLLIER, Dominique DEUR-BERT, Laurent WENDLINGER
  • Method for producing fluorinated compounds
    Patent number: 9938210
    Abstract: The invention relates to a method for producing a fluorinated compound, comprising: the provision of a gaseous flow comprising hydrofluoric acid; the provision of at least one liquid flow of a chlorinated compound and the vaporization thereof by mixing with said gaseous flow, the resulting mixture being a gaseous mixture; and the catalytic reaction of the chlorinated compound with hydrofluoric acid in a gaseous phase and the collection of a product flow. The invention also relates to a facility for carrying out said method.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: April 10, 2018
    Assignee: Arkema France
    Inventors: Philippe Bonnet, Bertrand Collier, Dominique Deur-Bert, Dominique Garrait, Anne Pigamo, Laurent Wendlinger
  • Composition comprising HF, 3,3,3-trifluoro-2-chloropropene, and E-3,3,3-trifluoro-1-chloropropene
    Patent number: 9889416
    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: February 24, 2014
    Date of Patent: February 13, 2018
    Assignee: Arkema France
    Inventors: Philippe Bonnet, Bertrand Collier, Dominique Deur-Bert, Laurent Wendlinger
  • Process for the preparation of 1-chloro-2,2-difluoroethane
    Patent number: 9884797
    Abstract: The present invention provides a process for the preparation of 1-chloro-2,2-difluoroethane comprising the following stages: (i) dehydrofluorinating 1,1,1-trifluoro-2-chloroethane to form a product stream comprising 1-chloro-2,2-difluoroethylene, optionally separation of 1-chloro-2,2-difluoroethylene from the product stream and (ii) hydrogenating 1-chloro-2,2-difluoroethylene obtained in stage (i) to give 1-chloro-2,2-difluoroethane.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: February 6, 2018
    Assignee: Arkema France
    Inventor: Laurent Wendlinger
  • Process for the manufacture of 2,3,3,3-tetrafluoropropene by gas phase fluorination of pentachloropropane
    Patent number: 9828315
    Abstract: The present invention provides a process of catalytic fluorination in gas phase of product 1,1,1,2,3-pentachloropropane or/and 1,1,2,2,3-pentachloropropane into product 2,3,3,3-tetrafluoropropene in presence of a catalyst.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: November 28, 2017
    Assignee: Arkema France
    Inventors: Dominique Deur-Bert, Anne Pigamo, Nicolas Doucet, Laurent Wendlinger
  • PROCESS FOR THE PREPARATION OF 1-CHLORO-2,2-DIFLUOROETHANE
    Publication number: 20170327442
    Abstract: The present invention provides a process for the preparation of 1-chloro-2,2-difluoroethane comprising the following stages: (i) dehydrofluorinating 1,1,1-trifluoro-2-chloroethane to form a product stream comprising 1-chloro-2,2-difluoroethylene, optionally separation of 1-chloro-2,2-difluoroethylene from the product stream and (ii) hydrogenating 1-chloro-2,2-difluoroethylene obtained in stage (i) to give 1-chloro-2,2-difluoroethane.
    Type: Application
    Filed: December 11, 2014
    Publication date: November 16, 2017
    Inventor: Laurent WENDLINGER
  • CATALYTIC GAS PHASE FLUORINATION
    Publication number: 20170313638
    Abstract: The invention relates to a fluorination process, alternately comprising reaction stages and regeneration stages, wherein the reaction stages comprise reacting a chlorinated compound with hydrogen fluoride in gas phase in the presence of a fluorination catalyst to produce a fluorinated compound, and the regeneration stages comprise contacting the fluorination catalyst with an oxidizing agent-containing gas flow.
    Type: Application
    Filed: July 10, 2017
    Publication date: November 2, 2017
    Inventors: Anne PIGAMO, Laurent WENDLINGER, Nicolas DOUCET
  • Method of fluorination in the gaseous phase
    Patent number: 9783471
    Abstract: The present invention concerns a method of producing at least one compound of formula (II): CF3—CX(Z)n-CHX(Z)n in which X represents, independently, a hydrogen, fluorine or chlorine atom, Z represents, independently, a hydrogen or fluorine atom, and n=0 or 1, from at least one compound of formula (I): CX(Y)2-CX(Y)m-CHmXY in which X and Y represent, independently, a hydrogen, fluorine or chlorine atom and m=0 or 1. The method comprises at least one step during which at least one compound of formula (I) reacts with HF in the gaseous phase in the presence of a fluorination catalyst in order to give at least one compound of formula (II), characterized in that the catalyst is made from chromium oxyfluoride containing at least nickel as the co-metal and at least one rare earth metal.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: October 10, 2017
    Assignee: Arkema France
    Inventor: Laurent Wendlinger
  • Plant for producing 2,3,3,3-tetrafluoropropene
    Patent number: 9776938
    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.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: October 3, 2017
    Assignee: Arkema France
    Inventors: Dominique Deur-Bert, Bertrand Collier, Laurent Wendlinger
  • Process for the preparation of fluorinated compounds
    Patent number: 9758451
    Abstract: A subject-matter of the invention is a process for the preparation of 2,3,3,3-tetrafluoro-1-propene which comprises the following stages: (i) hydrogenation of hexafluoropropylene to give 1,1,1,2,3,3-hexafluoropropane; (ii) dehydrofluorination of the 1,1,1,2,3,3-hexafluoropropane obtained in the preceding stage to give 1,2,3,3,3-pentafluoro-1-propene; (iii) hydrogenation of the 1,2,3,3,3-pentafluoro-1-propene obtained in the preceding stage to give 1,1,1,2,3-pentafluoropropane; and (iv) dehydrofluorination of the 1,1,1,2,3-pentafluoropropane obtained in the preceding stage to give 2,3,3,3-tetrafluoro-1-propene. Stages (ii) and (iv) are carried out using a water and potassium hydroxide mixture with the potassium hydroxide representing between 58 and 86% by weight of the mixture and at a temperature of between 110 and 180° C.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: September 12, 2017
    Assignee: Arkema France
    Inventors: Anne Pigamo, Michel Devic, Laurent Wendlinger
  • Catalytic gas phase fluorination
    Patent number: 9758449
    Abstract: The invention relates to a fluorination process, alternately comprising reaction stages and regeneration stages, wherein the reaction stages comprise reacting a chlorinated compound with hydrogen fluoride in gas phase in the presence of a fluorination catalyst to produce a fluorinated compound, and the regeneration stages comprise contacting the fluorination catalyst with an oxidizing agent-containing gas flow.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: September 12, 2017
    Assignee: Arkema France
    Inventors: Anne Pigamo, Laurent Wendlinger, Nicolas Doucet
  • COMPOSITIONS CONTAINING 1,1,1,3,3-PENTACHLOROPROPANE
    Publication number: 20170226032
    Abstract: The invention first relates to a composition comprising at least 99 wt. % of 1,1,1,3,3-pentachloropropane and at least one compound selected from a list of additional compounds consisting of dichloropropanes, trichloropropanes, tetrachloropropanes, pentachloropropanes different from 1,1,1,3,3-pentachloropropane, hexachloropropanes, heptachloropropanes, chloropropenes, dichloropropenes, trichloropropenes, tetrachloropropenes, pentachloropropenes and hexachloropropene, the weight content of said compound in the composition being lower than or equal to 500 ppm.
    Type: Application
    Filed: October 7, 2015
    Publication date: August 10, 2017
    Inventors: Anne PIGAMO, Dominique DEUR-BERT, Laurent WENDLINGER, Bertrand COLLIER
  • COMPOSITIONS COMPRISING 1,1,1,2,3 PENTACHLOROPROPANE
    Publication number: 20170226035
    Abstract: The invention relates to a composition comprising at least 99% by weight of 1,1,1,2,3-pentachloropropane, and comprising at least one compound chosen from a list of additional compounds consisting of trichloropropanes, tetrachloropropanes, pentachloropropanes other than 1,1,1,2,3-pentachloropropane, hexachloropropanes, heptachloropropanes, dichloropropenes, trichloropropenes, tetrachloropropenes, pentachloropropenes and hexachloropropene, said compound being present in the composition in a weight content of less than or equal to 500 ppm. The invention also relates to the use of this composition for manufacturing 2,3,3,3-tetrafluoropropene.
    Type: Application
    Filed: October 7, 2015
    Publication date: August 10, 2017
    Inventors: Dominique DEUR-BERT, Laurent WENDLINGER, Bertrand COLLIER
  • COMPOSITION CONTAINING 2,3,3,3-TETRAFLUOROPROPENE AND 1,2-DIFLUOROETHYLENE
    Publication number: 20170218241
    Abstract: Compositions containing 2,3,3,3-tetrafluoropropene and 1,2-difluoroethylene, that can be used in multiple fields of application. The composition can include from 45 to 90 mol % of 2,3,3,3-tetrafluoropropene and from 55 to 10 mol % of, 1,2-difluoroethylene. The composition can include from 55 to 80 mol % of 2,3,3,3-tetrafluoropropene and from 45 to 20 mol % of 1,2-difluoroethylene. The composition can include from 62 to 69 mol % of 2,3,3,3-tetrafluoropropene and from 38 to 31 mol % of 1,2-difluoroethylene at a temperature of between ?30° C. and 55° C. and a pressure of between 1 and 15 bar.
    Type: Application
    Filed: April 18, 2017
    Publication date: August 3, 2017
    Applicant: ARKEMA FRANCE
    Inventors: Dominique DEUR-BERT, Laurent WENDLINGER
  • COMPOSITION INCLUDING 2,3,3,3-TETRAFLUOROPROPENE
    Publication number: 20170210962
    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: Application
    Filed: April 7, 2017
    Publication date: July 27, 2017
    Applicant: ARKEMA FRANCE
    Inventors: Bertrand COLLIER, Dominique DEUR-BERT, Laurent WENDLINGER
  • PROCESS FOR MANUFACTURING TETRAFLUOROPROPENE
    Publication number: 20170210686
    Abstract: A process for manufacturing tetrafluoropropene, including, alternately: at least one step of reacting a chlorinated compound with hydrofluoric acid in the gas phase, in the presence of a fluorination catalyst, the proportion of oxygen optionally present being less than 0.05 mol. % relative to the chlorinated compound; a step of regenerating the fluorination catalyst by bringing the fluorination catalyst into contact with a regeneration stream including an oxidizing agent. Also, equipment suitable for carrying out this process.
    Type: Application
    Filed: June 22, 2015
    Publication date: July 27, 2017
    Applicant: ARKEMA FRANCE
    Inventors: Anne PIGAMO, Laurent WENDLINGER, Dominique DEUR-BERT