Patents by Inventor Patrice Gaillard

Patrice Gaillard 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: 20200223102
    Abstract: A method of manufacturing an impregnated fibrous material including a fibrous material made of continuous fibers and at least one thermoplastic polymer matrix, the method including pre-impregnating the fibrous material while it is in the form of a roving or several parallel rovings with the thermoplastic material and heating the thermoplastic matrix for melting, or maintaining in the molten state, the thermoplastic polymer after pre-impregnation, the at least one heating step being carried out by means of at least one heat-conducting spreading part (E) and at least one heating system, with the exception of a heated calendar, the roving or the rovings being in contact with part or all of the surface of the at least one spreading part (E) and partially or wholly passing over the surface of the at least one spreading part (E) at the level of the heating system.
    Type: Application
    Filed: June 21, 2018
    Publication date: July 16, 2020
    Applicant: Arkema France
    Inventors: Gilles HOCHSTETTER, Mathieu CAPELOT, Thibaut SAVART, Arthur Pierre BABEAU, Denis HUZE, François TANGUY, Patrice GAILLARD
  • Publication number: 20200223101
    Abstract: The invention relates to a process for manufacturing a pre-impregnated fibrous material comprising a continuous fibre fibrous material and at least one thermoplastic polymer matrix, characterized in that said pre-impregnated fibrous material is made of a single unidirectional ribbon or a plurality of parallel ribbons unidirectional and in that said method comprises an impregnation step, in particular at the core, of said fibrous material being in the form of a roving or of several parallel rovings by said thermoplastic polymer being in powder form, said step of impregnation being carried out with said at least one thermoplastic polymer and said fibrous material the D90/D10 ratio of which by volume of the thermoplastic polymer particles ranges from 1.
    Type: Application
    Filed: December 20, 2017
    Publication date: July 16, 2020
    Applicant: Arkema France
    Inventors: Gilles Hochstetter, Arthur Pierre Babeau, Thibaut Savart, François Tanguy, Denis Huze, Mathieu Capelot, Patrice Gaillard
  • Publication number: 20200216627
    Abstract: The present invention relates to an impregnated fibrous material comprising a fibrous material made of continuous fibers and at least one reactive thermoplastic prepolymer, and optionally a chain extender, characterized in that the at least one reactive thermoplastic prepolymer is partially polymerized, optionally with the chain extender, and has a number-average molecular weight (Mn) ranging from 500 to 10,000, preferably from 4,000 to 8000, the proportion of fibers in the impregnated fibrous material being 45 to 65% by volume, preferably 50 to 60% by volume, and in particular 54 to 60%.
    Type: Application
    Filed: June 21, 2018
    Publication date: July 9, 2020
    Applicant: ARKEMA FRANCE
    Inventors: Gilles HOCHSTETTER, Mathieu CAPELOT, Thibaut SAVART, Arthur Pierre BABEAU, Denis HUZE, François TANGUY, Patrice GAILLARD
  • Patent number: 10675785
    Abstract: An impregnated fibrous material comprising a fibrous material made of continuous fiber and at least one thermoplastic polymer matrix, wherein the at least one thermoplastic polymer is an non-reactive amorphous polymer, the glass transition temperature of which is such that Tg?80° C., or a non-reactive semi-crystalline polymer, the melting temperature of which is Tf?150° C., the fiber volume ratio is constant in at least 70% of the volume of the tape or ribbon, the fiber ratio in the pre-impregnated fibrous material ranging from 45 to 65% by volume, the porosity rate in the pre-impregnated fibrous material being less than 10%.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: June 9, 2020
    Assignee: ARKEMA FRANCE
    Inventors: Gilles Hochstetter, Mathieu Capelot, Denis Huze, François Tanguy, Thibaut Savart, Arthur Pierre Babeau, Patrice Gaillard
  • Publication number: 20200139586
    Abstract: An impregnated fibrous material comprising a fibrous material made of continuous fiber and at least one thermoplastic polymer matrix, wherein the at least one thermoplastic polymer is an non-reactive amorphous polymer, the glass transition temperature of which is such that Tg?80° C., or a non-reactive semi-crystalline polymer, the melting temperature of which is Tf?150° C., the fiber volume ratio is constant in at least 70% of the volume of the tape or ribbon, the fiber ratio in the pre-impregnated fibrous material ranging from 45 to 65% by volume, the porosity rate in the pre-impregnated fibrous material being less than 10%.
    Type: Application
    Filed: June 21, 2018
    Publication date: May 7, 2020
    Applicant: Arkema France
    Inventors: Gilles HOCHSTETTER, Mathieu CAPELOT, Denis HUZE, François TANGUY, Thibaut SAVART, Arthur Pierre BABEAU, Patrice GAILLARD
  • Publication number: 20200130234
    Abstract: The invention relates to a process for manufacturing an impregnated fibrous material comprising continuous fibers and a thermoplastic matrix, said fibrous material is made from at least one unidirectional tape and said process comprises a step of pre-impregnating said fibrous material that is in the form of at least one roving with said matrix and a step of heating the matrix after pre-impregnation, said heating step being carried out by means of a non-heated and non-heat-conducting tension device and a heating system, with the exception of a heated calendar, said roving being in contact with the surface of said tension device and running over the surface of said tension device level with the heating system.
    Type: Application
    Filed: June 21, 2018
    Publication date: April 30, 2020
    Applicant: ARKEMA FRANCE
    Inventors: Gilles HOCHSTETTER, Mathieu CAPELOT, Thibaut SAVART, Arthur Pierre BABEAU, Denis HUZE, François TANGUY, Patrice GAILLARD
  • Publication number: 20200122359
    Abstract: Provided is a process for manufacturing a prepreg fibrous material comprising a continuous fibre fibrous material and at least one thermoplastic polymer matrix.
    Type: Application
    Filed: December 20, 2017
    Publication date: April 23, 2020
    Applicant: Arkema France
    Inventors: Gilles Hochstetter, Arthur Pierre Babeau, Thibaut Savart, François Tanguy, Denis Huze, Mathieu Capelot, Patrice Gaillard
  • Publication number: 20190084252
    Abstract: The invention relates to a process for manufacturing a preimpregnated fibrous material containing a fibrous material made of continuous fibers and at least one thermoplastic polymer matrix, wherein the preimpregnated fibrous material is produced as a single unidirectional tape or of a plurality of parallel unidirectional tapes and wherein the process includes a step of impregnating, in particular fully and homogeneously, the fibrous material that is in the form of a roving or of several parallel rovings with the at least one thermoplastic polymer matrix that is in powder form, the impregnating step being carried out by a dry route in a tank and the control of the amount of the at least one thermoplastic polymer matrix in said fibrous material being achieved by control of the residence time of said fibrous material in the powder, with the exclusion of any electrostatic process with intentional charging.
    Type: Application
    Filed: December 20, 2017
    Publication date: March 21, 2019
    Applicant: Arkema France
    Inventors: Gilles Hochstetter, Arthur Pierre Babeau, Thibaut Savart, Francois Tanguy, Denis Huze, Mathieu Capelot, Patrice Gaillard
  • Patent number: 9909235
    Abstract: A method for manufacturing a continuous carbon fiber from a precursor material. According to this method, a precursor material including a continuous natural fiber and carbon nanofillers is used, said natural fiber being obtained from at least one plant constituent such as a cellulose. A process for manufacturing a continuous carbon fiber from a precursor material, including a step of carbonization of said precursor material, in which the precursor material includes a continuous natural fiber and carbon nanofillers, said natural fiber being obtained from at least one plant constituent, wherein it also includes a step of sizing the precursor material before the carbonization step.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: March 6, 2018
    Assignee: ARKEMA FRANCE
    Inventors: Alexander Korzhenko, Patrice Gaillard, Andriy Tymoshenko, Anatolly Goryashkin, Dimitry Zakharov
  • Publication number: 20170165875
    Abstract: A method of producing a pre-impregnated fibrous material including a fibrous material of continuous fibres and a thermoplastic polymer matrix, wherein the pre-impregnated fibrous material is produced in a single unidirectional strip or in a plurality of parallel unidirectional strips, the method including the following steps: (i) impregnating the fibrous material in the form of a strand or a plurality of parallel strands with the thermoplastic polymer in the form of a powder in a fluid bed; and (ii) shaping the strand or parallel strands of the fibrous material impregnated as in step (i) by calendering by at least one heating calender in the form of a single unidirectional strip or of a plurality of parallel unidirectional strips, the heating calender, in the latter case, including a plurality of calendering grooves, and the pressure and/or a spacing between the rollers of the calender being regulated by an auxiliary system.
    Type: Application
    Filed: February 11, 2015
    Publication date: June 15, 2017
    Applicant: ARKEMA FRANCE
    Inventors: Patrice GAILLARD, Gilles HOCHSTETTER, Thibaut SAVART
  • Publication number: 20160346966
    Abstract: A method to produce a pre-impregnated fibrous material, in particular in ribbon form, including a fibrous reinforcement and thermoplastic polymer matrix, including a step of impregnating the fibrous material in the form of a single roving or several parallel rovings with the polymer in the molten state, the polymer in the molten state at the time of the impregnation containing a neutral gas in the supercritical state used as production aid by reducing viscosity in the molten state, preferably the gas being supercritical CO2.
    Type: Application
    Filed: February 11, 2015
    Publication date: December 1, 2016
    Applicant: ARKEMA FRANCE
    Inventors: Patrice GAILLARD, Gilles HOCHSTETTER, Thibaut SAVART
  • Publication number: 20160347009
    Abstract: A method of manufacturing a pre-impregnated fibrous material produced as a plurality of unidirectional parallel tapes, said method including the following steps: i) impregnation of the fibrous material while it is in the form of several parallel rovings, said impregnation step including: ia) immersion in a bath containing an aqueous dispersion of thermoplastic polymer, said immersion being followed by ib) drying, then ii) shaping by calendering, using at least one heated calender, into the form of a plurality of unidirectional parallel tapes using said calender including a plurality of calendering grooves according to the number of said tapes and with a pressure and/or separation between the rolls of said calender regulated by a control system.
    Type: Application
    Filed: February 11, 2015
    Publication date: December 1, 2016
    Applicant: ARKEMA FRANCE
    Inventors: Patrice GAILLARD, Gilles HOCHSTETTER, Thibaut SAVART
  • Patent number: 9415884
    Abstract: The invention relates to a method for filling a receptacle (200) with carbon nanotubes from another receptacle (106) whereby the CNTs are passed from one receptacle to the other by means of a coupling (300) comprising a double-valve device (30), each valve being coupled to one of the receptacles, the valves (31, 32) closing independently and tightly and being openable only when they are coupled to one another.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: August 16, 2016
    Assignee: ARKEMA FRANCE
    Inventors: Serge Bordere, Patrice Gaillard
  • Publication number: 20150336338
    Abstract: A process for manufacturing a pre-impregnated fibrous material, including a step of impregnation of said fibrous material with a matrix being of a thermoplastic polymer in the molten state. This process is characterized in that, prior to the impregnation step, an insertion step of incorporating, into said impregnating thermoplastic polymer, a lubricant including at least one oligomer chosen from oligomers of a cyclic ester, oligomers of a cyclic ether and oligomers of an organomineral compound. This oligomer makes it possible to lubricate the thermoplastic polymer, to promote wetting of the fibres of the fibrous material, and therefore to notably improve the impregnation of the fibrous material.
    Type: Application
    Filed: June 17, 2013
    Publication date: November 26, 2015
    Applicant: ARKEMA FRANCE
    Inventors: Serge BORDERE, Patrick DELPRAT, Patrice GAILLARD, Oleksadr KORZHENKO
  • Publication number: 20150322622
    Abstract: A fibrous substrate such as woven fabrics, felts, nonwoven fabrics that may be in the form of strips, laps or braids, said substrate being impregnated with an organic polymer or blend of organic polymers containing carbon nanotubes (CNTs). A process for manufacturing said substrate, and the various uses thereof for the manufacture of 3D mechanical components.
    Type: Application
    Filed: November 13, 2014
    Publication date: November 12, 2015
    Applicant: Arkema France
    Inventors: Patrice Gaillard, Alexander Korzhenko
  • Publication number: 20150292118
    Abstract: A method for manufacturing a continuous carbon fiber from a precursor material. According to this method, a precursor material including a continuous natural fiber and carbon nanofillers is used, said natural fiber being obtained from at least one plant constituent such as a cellulose. A process for manufacturing a continuous carbon fiber from a precursor material, including a step of carbonization of said precursor material, in which the precursor material includes a continuous natural fiber and carbon nanofillers, said natural fiber being obtained from at least one plant constituent, wherein it also includes a step of sizing the precursor material before the carbonization step.
    Type: Application
    Filed: October 18, 2013
    Publication date: October 15, 2015
    Applicant: ARKEMA FRANCE
    Inventors: Alexander Korzhenko, Patrice GaIllard, Andriy Tymoshenko, Anatolly Goryashkin, Dimitry Zakharov
  • Patent number: 8911701
    Abstract: An industrial process and an apparatus for fabricating carbon nanotubes (CNTs) is provided, comprising synthesis of the carbon nanotubes by decomposing a carbon source brought into contact, in a fluidized-bed reactor, whereby the carbon nanotubes synthesized in the reactor and fixed onto the grains of catalytic substrate in the form of an entangled three-dimensional network, forming agglomerates constituting the CNT powder, are recovered sequentially by discharging them while hot, that is to say at the reaction temperature for synthesizing the CNTs, at the foot of the reactor, the sequence in which the discharges are carried out corresponding to the frequency of filling of the reactor.
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: December 16, 2014
    Assignee: Arkema France
    Inventors: Patrice Gaillard, Serge Bordere
  • Patent number: 8771627
    Abstract: A subject of the present invention is a process for producing carbon nanotubes, the process comprising: a) the synthesis of alcohol(s) by fermentation of at least one vegetable matter and optionally the purification of the product obtained; b) the dehydration of the alcohol or alcohols obtained in a) in order to produce, in a first reactor, a mixture of alkene(s) and water and optionally the purification of the product obtained; c) the introduction, in particular the introduction into a fluidized bed, in a second reactor, of a powdery catalyst at a temperature ranging from 450 to 850° C.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: July 8, 2014
    Assignee: Arkema France
    Inventors: Serge Bordere, Daniel Cochard, Eric Dutilh, Patrice Gaillard, André Lozowski, Dominique Plee
  • Publication number: 20130333802
    Abstract: The invention relates to a method for filling a receptacle (200) with carbon nanotubes from another receptacle (106) whereby the CNTs are passed from one receptacle to the other by means of a coupling (300) comprising a double-valve device (30), each valve being coupled to one of the receptacles, the valves (31, 32) closing independently and tightly and being openable only when they are coupled to one another.
    Type: Application
    Filed: August 20, 2013
    Publication date: December 19, 2013
    Applicant: Arkema France
    Inventors: SERGE BORDERE, Patrice Gaillard
  • Publication number: 20130276674
    Abstract: Inorganic curable systems, such as cements, plasters, ceramics, or liquid silicates, which can be used, for example, in the fields of building, construction, or the oil-drilling industry. The use of carbon nanofillers for reinforcing the mechanical properties of such systems and for improving the latter. A method for inserting carbon nanofillers, such as carbon nanotubes, in the form of a binder master batch, into an inorganic curable system with a view to preparing composite materials having improved properties.
    Type: Application
    Filed: December 20, 2011
    Publication date: October 24, 2013
    Applicant: ARKEMA FRANCE
    Inventors: Alexander Korzhenko, Mickael Havel, Patrice Gaillard, Grigory Ivanovich Yakovlev, Grigory Nikolayevich Pervushin, Dimitri Vladimirovich Oreshkin