Patents by Inventor Gaelle Bellet
Gaelle Bellet 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).
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Patent number: 9964240Abstract: The present invention relates to a multilayer hose for compressed air comprising, in this order: an outer layer (1) made of polyamide, optionally an intermediate layer (2) of a polymer having a flexural modulus of less than 500 MPa, an inner layer (3) of a polymer having a flexural modulus of greater than 1100 MPa, the inner layer (3) being in contact with the compressed air.Type: GrantFiled: March 23, 2017Date of Patent: May 8, 2018Assignee: ARKEMA FRANCEInventors: Gaelle Bellet, Nicolas Amouroux, Thibaut Montanari
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Publication number: 20170241575Abstract: The present invention relates to a multilayer hose for compressed air comprising, in this order: an outer layer (1) made of polyamide, optionally an intermediate layer (2) of a polymer having a flexural modulus of less than 500 MPa, an inner layer (3) of a polymer having a flexural modulus of greater than 1100 MPa, the inner layer (3) being in contact with the compressed air.Type: ApplicationFiled: March 23, 2017Publication date: August 24, 2017Applicant: ARKEMA FRANCEInventors: Gaelle BELLET, Nicolas AMOUROUX, Thibaut MONTANARI
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Patent number: 9664312Abstract: The present invention relates to a multilayer hose for compressed air comprising, in this order: an outer layer (1) made of polyamide, optionally an intermediate layer (2) of a polymer having a flexural modulus of less than 500 MPa, an inner layer (3) of a polymer having a flexural modulus of greater than 1100 MPa, the inner layer (3) being in contact with the compressed air.Type: GrantFiled: January 22, 2007Date of Patent: May 30, 2017Assignee: ARKEMA FRANCEInventors: Gaelle Bellet, Nicolas Amouroux, Thibaut Montanari
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Publication number: 20090314375Abstract: The present invention relates to a multilayer tube comprising, in succession in its radial direction from the outside inwards: a nylon-11 or nylon-12 polyamide outer layer (1); a tie layer (2); an optional EVOH layer (3); an optional layer (4) made of PA-6 or a PA-6/polyolefin blend having a PA-6 matrix and polyolefin dispersed phase; an inner layer (5) based on PA-6 in contact with the transported fluid, comprising by weight, the total being 100%: 40 to 65% (advantageously 45 to 60%) of PA-6, 1 to 20% (advantageously 5 to 15%) of HDPE, 10 to 30% (advantageously 15 to 25%) of at least one polymer P1 chosen from impact modifiers and polyethylenes, either or both of the HDPE and the P1 being completely or partly functionalized and 5 to 30% (advantageously 15 to 30% and preferably 17 to 24%) of an electrically conductive material.Type: ApplicationFiled: October 17, 2006Publication date: December 24, 2009Inventors: Jean-Jacques Flat, Gaelle Bellet, Nicolas Amouroux, Benoit Brule
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Publication number: 20090297750Abstract: The present invention relates to a multilayer tube comprising, in its radial direction from the outside inwards: an outer layer (1) made of a polyamide, a tie layer (2) comprising, by weight: 1 to 50% of an impact modifier chosen from elastomers and very low density polyethylene, the said impact modifier being completely or partly functionalized, per 99 to 50% of at least one copolyamide 6/12 respectively, an optional EVOH layer (3), optionally a tie layer, an inner layer (4) made of PA 12, PA 6 or a PA 6-polyolefin compound with a PA 6 matrix and a dispersed polyolefin phase, the layers being successive and adhering to one another in their respective contact zones. The inner layer is the layer in contact with the fluid being transferred. According to one embodiment of the invention, the inner layer (4) contains an electrically conducting material, producing a surface resistivity of less than 106?.Type: ApplicationFiled: December 19, 2005Publication date: December 3, 2009Applicant: ARKEMA FRANCEInventors: Gaelle Bellet, Nicolas Amouroux, Frederique Pery
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Publication number: 20090188578Abstract: The present invention relates to a multilayer tube comprising, in its radial direction from the outside inwards: a polyamide outer layer (1); an inner layer (2) of a composition comprising, the total being 100%, 5 to 30% by weight of a blend (A) comprising: a polyethylene carrying epoxy functional groups, an impact modifier chosen from elastomers and very low-density polyethylenes, the said impact modifier being completely or partly functionalized; 95 to 70% by weight of a blend (B) comprising: a fluoropolymer (B1), a functionalized fluoropolymer (B2), the proportion of (B2) being between 1 and 80% by weight of (A)+(B), the layers being successive and adhering to one another in their respective contact region. The inner layer is the layer in contact with the fluid being transported. The layer (2) may be conductive. It is also possible to place a polyamide layer (3) beside the layer (2), which layer becomes the inner layer.Type: ApplicationFiled: October 18, 2005Publication date: July 30, 2009Applicant: Arkema FranceInventors: Anthony Bonnet, Nicolas Amouroux, Gaelle Bellet
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Publication number: 20090017247Abstract: The present invention relates to a multilayer hose for compressed air comprising, in this order: an outer layer (1) made of polyamide, optionally an intermediate layer (2) of a polymer having a flexural modulus of less than 500 MPa, an inner layer (3) of a polymer having a flexural modulus of greater than 1100 MPa, the inner layer (3) being in contact with the compressed air.Type: ApplicationFiled: January 22, 2007Publication date: January 15, 2009Applicant: ARKEMA FRANCEInventors: Gaelle Bellet, Nicolas Amouroux, Thibaut Montanari
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Patent number: 7063873Abstract: A multiplayer tube comprising: an outer layer formed from a polyamide, a layer formed from a copolyamide, a layer formed from an EVOH, a layer formed from a copolyamide, and an inner layer formed from a polyamide, the layers being successive and adhering to one another in their respective contact region. Advantageously, the inner layer is formed by a compound based on a polyamide and electrically conducting carbon black, producing a surface resistivity of less than 106 ?. The tubes have a very low permeability to petrol, particularly to hydrocarbons and their additives, and in particular to alcohols, such as methanol and ethanol, or to ethers, such as MTBE or ETBE. These tubes also have good resistance to engine lubricating oils as well as fuels.Type: GrantFiled: March 25, 2002Date of Patent: June 20, 2006Assignee: ArkemaInventors: Gaëlle Bellet, Anthony Bonnet, Joachim Merziger
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Publication number: 20060057391Abstract: The present invention relates to a structure successively comprising: a layer of barrier polymer, a tie layer comprising, the total being 100%: 1 to 80% of at least one polyethylene carrying epoxy functional groups, 99 to 20% of at least one viscous polymer compatible with the polyethylene carrying epoxy functional groups, a polyethylene layer, and optionally another tie layer and a layer of barrier polymer, the layers adhering in their respective contact zones. This structure is of use in preparing devices for the storage or transfer of fluids, in particular in motor vehicles. The invention also relates to these devices. These devices can be pipes, tanks, bottles or containers in which the layer of barrier polymer is in contact with the stored or transported fluid. These structures can comprise other layers composed of other materials.Type: ApplicationFiled: September 14, 2005Publication date: March 16, 2006Inventors: Anthony Bonnet, Fabrice Chopinez, Gaelle Bellet, David Silagy
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Publication number: 20060008604Abstract: The present invention relates to a structure successively comprising: a first layer of high density polyethylene (HDPE), a tie layer, a second layer of EVOH or of a blend based on EVOH, optionally a tie layer, a third layer of a blend comprising, by weight, the total being 100%: 50 to 90% of polyamide (A) having a conversion temperature of at most 230° C., 1 to 30% of high density polyethylene (HDPE), 5 to 30% of an impact modifier chosen from elastomers and very low density polyethylenes, at least one of the HDPE and of the impact modifier being functionalized, in all or part, the layers being coextrudable.Type: ApplicationFiled: June 16, 2005Publication date: January 12, 2006Inventors: Jean-Jacques Flat, Gaelle Bellet, Benoit Brule, Philippe Blondel
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Publication number: 20050058845Abstract: The present invention relates to a multilayer structure comprising the following successive layers: a polyamide or HDPE (high-density polyethylene) layer; a tie layer; an impact-modified EVOH layer; optionally, a tie layer; and a polyamide or polyamide/polyolefin blend or polyolefin layer, the latter layer possibly containing fillers in order to make it antistatic; and such that the impact-modified EVOH layer is a blend based on EVOH and at least one modifier chosen from: a) functionalized ethylene/alkyl (meth)acrylate copolymers; b) products resulting from the reaction of (i) a copolymer of ethylene and of an unsaturated monomer X grafted or copolymerized with (ii) a polyamide; c) blends of a) and b); d) polyamides, preferably PA-6; e) blends of a) and d); f) elastomers, preferably EPR, EPDM and NBR, these elastomers possibly being functionalized; g) S-B-M triblocks; h) triblocks formed from a poly(butyl acrylate) block between two PMMA blocks; and i) linear or star S-B-S block copolymers, these optionally bType: ApplicationFiled: August 2, 2004Publication date: March 17, 2005Inventors: Gaelle Bellet, Nicolas Amouroux, Thibaut Montanari, Benoit Brule, Anthony Bonnet, Fabrice Chopinez
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Publication number: 20050037170Abstract: The present invention relates to a multilayer tube comprising, in its radial direction from the outside inwards: an outer layer formed from a polyamide, a layer formed from a copolyamide, a layer formed from an EVOH, a layer formed from a copolyamide, an inner layer formed from a polyamide, the layers being successive and adhering to one another in their respective contact region. Advantageously, the inner layer is formed by a compound based on a polyamide and electrically conducting carbon black, producing a surface resistivity of less than 106 ?/?. The outside diameter of these tubes may range from 6 to 110 mm and the wall thickness may be from 0.5 to 5 mm. Advantageously, the petrol tube according to the invention has an outside diameter ranging from 6 to 12 mm and a total wall thickness of 0.36 mm to 1.Type: ApplicationFiled: September 28, 2004Publication date: February 17, 2005Inventors: Gaelle Bellet, Anthony Bonnet, Joachim Merziger
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Publication number: 20040071913Abstract: The present invention relates to a multilayer hose for compressed air, comprising:Type: ApplicationFiled: July 1, 2003Publication date: April 15, 2004Applicant: ATOFINAInventor: Gaelle Bellet
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Publication number: 20020155242Abstract: The present invention relates to a multilayer tube comprising, in its radial direction from the outside inwards:Type: ApplicationFiled: March 25, 2002Publication date: October 24, 2002Applicant: ATOFINAInventors: Gaelle Bellet, Anthony Bonnet, Joachim Merziger