Patents by Inventor Claude Dehennau
Claude Dehennau 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: 9327427Abstract: Process for manufacturing composite sheets based on PVC and a network of long fibers, said process comprising the following steps: dispersing PVC in powder form in said network; subjecting the dispersion to an alternating electric field with a sufficient intensity and for a sufficient time in order to distribute the powder in the network; and heating the dispersion under pressure until the powder forms a continuous matrix.Type: GrantFiled: November 26, 2007Date of Patent: May 3, 2016Assignee: SOLVAY (Societe Anonyme)Inventors: Claude Dehennau, Dominique Grandjean
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Publication number: 20140193596Abstract: Multilayer polymer structure comprising at least one couple of adjacent layers (L1-L2), characterized in that: layer (L1) comprises at least one polymer composition (C1) comprising at least one semi-crystalline polyphthalamide and at least one impact modifier (I1), and layer (L2) comprises at least one polymer composition (C2) comprising at least one functionalized polyolefin (FPO2), said functionalized polyolefin comprising functional groups chosen from carboxylic groups, their esters, their anhydrides and their salts. Process for manufacturing said multilayer structure, which comprises co-extruding polymer compositions (C1) and (C2) so as to obtain couple of adjacent layers (L1-L2). Shaped article comprising the invented multilayer structure and process for manufacturing the shaped article.Type: ApplicationFiled: February 12, 2014Publication date: July 10, 2014Applicant: SOLVAY ADVANCED POLYMER, L.L.C.Inventors: Corinne BUSHELMAN, James K. Doty, Jean De Canniere, Claude DEHENNAU, Marie-Paule COLLARD
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Patent number: 8696853Abstract: A process for manufacturing a plastic-based cellular structure, in which parallel lamellae are continuously extruded through a die having a plurality of parallel slots and upon exiting the die spaces lying between two adjacent lamellae are subjected, in successive alternations and between two sizing units whose length is short enough for the plastic composition to remain molten, to an injection of compressed gas and to a vacuum, the two sides of a given lamella being, in respect of one of them, subjected to the action of the compressed gas and, in respect of the other of them, subjected to the action of the vacuum, and vice versa during the next alternation, so as to deform the lamellae and weld them together in pairs, with formation, in a plane approximately parallel to the extrusion direction, of a cellular structure whose constituent cells extend perpendicular to the extrusion direction.Type: GrantFiled: August 17, 2006Date of Patent: April 15, 2014Assignee: Solvay SAInventors: Claude Dehennau, Dominique Grandjean, Paul Henrard
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Patent number: 8110137Abstract: Process for manufacturing a plastic-based cellular structure comprising: a step (a) during which parallel lamellae of a composition based on at least one thermoplastic polymer (P) chosen from amorphous and semi-crystalline polymers are continuously extruded through a die containing a plurality of parallel slots; a step (b) during which, on exiting the die and in successive alternations, the spaces between two adjacent lamellae are subjected to an injection of a fluid (f) and to a vacuum, the two sides of a same lamella being, for one side, subjected to the action of the fluid (f) and, for the other side, to the action of the vacuum, and inversely during the following alternation, in order to produce deformation of the lamellae and to weld them in pairs with formation, in a plane approximately parallel to the extrusion direction, of a cellular structure whose constituent cells extend perpendicular to the extrusion direction; a step (c) during which the cellular structure obtained in step (b) is drawn perpenType: GrantFiled: March 22, 2007Date of Patent: February 7, 2012Assignee: Solvay (Societe Anonyme)Inventors: Claude Dehennau, Dominique Grandjean, Philippe-Jacques Leng, Frederic Beullekens
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Patent number: 8088240Abstract: Process for assembling, by fusion bonding using IR laser radiation, plastic multilayer tapes that comprise an oriented layer that is transparent to the radiation and a layer that absorbs this radiation, the tapes being fusion-bonded using the same technique to a plastic preformed support. Composite tube resulting from the fusion bonding of these tapes to a plastic core.Type: GrantFiled: November 17, 2008Date of Patent: January 3, 2012Assignee: Egeplast Werner Strumann GmbH & Co. KGInventors: Pierre Matz, Frederic Beullekens, Claude Dehennau
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Patent number: 8057732Abstract: Method for making a hollow body comprising, as sole layer(s), at least one layer L1 consisting of a polyamide composition comprising an aromatic polyamide and an impact modifier, said method comprising extruding the polyamide composition through a die.Type: GrantFiled: August 3, 2010Date of Patent: November 15, 2011Assignee: Solvay Advanced Polymers, L.L.C.Inventors: Bruce H. Bersted, James K. Doty, Jean De Canniere, Claude Dehennau, Gregory Warkoski, Corinne Bushelman, Johan Billiet
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Publication number: 20110012281Abstract: Process for manufacturing a plastic-based cellular structure, in which: parallel lamellae of a composition based on at least one plastic are continuously extruded, in an approximately horizontal direction, through a die having a front face provided with a plurality of parallel slots and with an insulating material, at least on the surface; and upon exiting the die, the spaces lying between two adjacent lamellae are subjected, in successive alternations and between two sizing units whose length is short enough for the plastic composition to remain molten, to an injection of compressed gas and to a vacuum, the two sides of a given lamella being, in respect of one of them, subjected to the action of the compressed gas and, in respect of the other of them, subjected to the action of the vacuum, and vice versa during the next alternation, so as to deform the lamellae and weld them together in pairs, with formation, in a plane approximately parallel to the extrusion direction, of a cellular structure whose constituType: ApplicationFiled: August 17, 2006Publication date: January 20, 2011Applicant: Solvay(Societe Anonyme)Inventors: Claude Dehennau, Dominique Grandjean, Paul Henrard
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Publication number: 20110012284Abstract: Process for manufacturing a plastic-based perforated three-dimensional structure comprising: a step (1) during which a flat structure of a composition based on at least one thermoplastic polymer (P) chosen from amorphous and semi-crystalline polymers is continuously extruded; a step (2) during which the flat structure resulting from step (1) is fabricated in the form of a perforated three-dimensional structure; a step (3) during which the perforated three-dimensional structure is grasped using gripping means comprising two pairs of jaws that are applied to the two side ends of the structure on both sides of the latter, each pair having its jaws at a given distance from one another in order to apply a controlled compression ratio to the structure; and a step (4) during which the perforated three-dimensional structure is drawn by moving the two pairs of jaws relative to one another in a direction perpendicular to the extrusion direction and by keeping the distance between the jaws of one and the same pair constType: ApplicationFiled: February 10, 2009Publication date: January 20, 2011Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Claude Dehennau, Dominique Grandjean
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Publication number: 20100314793Abstract: Method for making a hollow body comprising, as sole layer(s), at least one layer L1 consisting of a polyamide composition comprising an aromatic polyamide and an impact modifier, said method comprising extruding the polyamide composition through a die.Type: ApplicationFiled: August 3, 2010Publication date: December 16, 2010Applicant: SOLVAY ADVANCED POLYMERS, L.L.C.Inventors: Bruce H. Bersted, James K. Doty, Jean De Canniere, Claude Dehennau, Gregory Warkoski, Corinne Bushelman, Johan Billiet
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Patent number: 7851042Abstract: Plane structure composed of a cohesive assembly of contiguous cellular cells having any cross section and essentially parallel walls from one cell to another, characterized in that the walls of the cells comprise at least two portions based on different polymeric compositions, the junction between said portions being substantially parallel to the plane of the structure.Type: GrantFiled: April 4, 2006Date of Patent: December 14, 2010Assignee: SOLVAY (Societe Anonyme)Inventors: Claude Dehennau, Dominique Grandjean, Philippe-Jacques Leng
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Patent number: 7807245Abstract: Hollow bodies made from impact-modified polyamide. Fuel line hoses for both liquid fuel delivery and fuel vapor recovery.Type: GrantFiled: August 17, 2004Date of Patent: October 5, 2010Assignee: Solvay Advanced Polymers, L.L.C.Inventors: Bruce Bersted, James Doty, Jean De Canniere, Claude Dehennau, Gregory Warkoski, Corinne Bushelman, Johan Billiet
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Patent number: 7780762Abstract: Cartridge for the treatment of a gas by reaction with a reactive substance, comprising a cohesive assembly of alveolate cells that are at least partly filled with the reactive substance, the alveolate cells possessing one part of their wall which is permeable to the gas and impermeable to the reactive substance, said wall part being intended to be in contact with the gas.Type: GrantFiled: September 11, 2006Date of Patent: August 24, 2010Assignee: Solvay (Societe Anonyme)Inventors: Jean-Marie Blondel, Dominique Grandjean, Claude Dehennau, Phillipe-Jacques Leng
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Publication number: 20100075104Abstract: Process for manufacturing composite sheets based on PVC and a network of long fibers, said process comprising the following steps: dispersing PVC in powder form in said network; subjecting the dispersion to an alternating electric field with a sufficient intensity and for a sufficient time in order to distribute the powder in the network; and heating the dispersion under pressure until the powder forms a continuous matrix.Type: ApplicationFiled: November 26, 2007Publication date: March 25, 2010Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Claude Dehennau, Dominique Grandjean
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Publication number: 20090134550Abstract: A die for producing wide, flat, plastic-based structures including a base and a cover. The die includes a plurality of ducts for feeding molten plastic, opening into a distribution channel, and a longitudinal outflow slot for outputting the molten plastic in a form of a substantially flat structure. The distribution channel and the outflow slot communicate via a plurality of distributors of generally triangular section having a downstream apex, near to which a feed duct emerges, and two upstream apexes forming intersections of the distribution channel and of the outflow slot, each feed duct being fed with molten plastic via an upstream orifice of the die that is specific thereto.Type: ApplicationFiled: May 29, 2006Publication date: May 28, 2009Applicant: Solvay (Societe Anonyme)Inventors: Claude Dehennau, Dominique Grandjean, Florentin Langouche
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Publication number: 20090107621Abstract: Process for manufacturing a plastic-based cellular structure comprising: a step (a) during which parallel lamellae of a composition based on at least one thermoplastic polymer (P) chosen from amorphous and semi-crystalline polymers are continuously extruded through a die containing a plurality of parallel slots; a step (b) during which, on exiting the die and in successive alternations, the spaces between two adjacent lamellae are subjected to an injection of a fluid (f) and to a vacuum, the two sides of a same lamella being, for one side, subjected to the action of the fluid (f) and, for the other side, to the action of the vacuum, and inversely during the following alternation, in order to produce deformation of the lamellae and to weld them in pairs with formation, in a plane approximately parallel to the extrusion direction, of a cellular structure whose constituent cells extend perpendicular to the extrusion direction; a step (c) during which the cellular structure obtained in step (b) is drawn perpenType: ApplicationFiled: March 22, 2007Publication date: April 30, 2009Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Claude Dehennau, Dominique Grandjean, Philippe-Jacques Leng, Frederic Beullekens
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Publication number: 20090071595Abstract: Process for assembling, by fusion bonding using IR laser radiation, plastic multilayer tapes that comprise an oriented layer that is transparent to the radiation and a layer that absorbs this radiation, the tapes being fusion-bonded using the same technique to a plastic preformed support. Composite tube resulting from the fusion bonding of these tapes to a plastic core.Type: ApplicationFiled: November 17, 2008Publication date: March 19, 2009Applicant: EGEPLAST WERNER STRUMANN GMBH & CO. KGInventors: Pierre Matz, Frederic Beullekens, Claude Dehennau
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Publication number: 20080268225Abstract: Method for manufacturing a multilayer insulating panel having a cellular core comprising a honeycomb structure based on plastic filled with foam and two external layers of nonexpanded material, the said method comprising the following steps: —one of the external layers (3) of the panel is introduced into a former; —the honeycomb structure (1) is placed on said layer (3) and the second external layer (3?) together with a composition (2) comprising a foaming agent that is poured are also introduced in the former; —the composition comprising the foaming agent is expanded; —the insulating panel is removed from the former. Panel obtained according to said method and uses thereof.Type: ApplicationFiled: October 19, 2005Publication date: October 30, 2008Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Claude Dehennau, Marc Gansemans
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Publication number: 20080254277Abstract: Process for manufacturing cellular structure based on a composition comprising an amorphous thermoplastic polymer and made up of sheets extruded in parallel and intermittently welded, according to which: an amorphous polymer composition is chosen which has a dynamic melt viscosity, measured at its processing temperature and at an angular velocity of 0.1 rad/s, of less than 2000 Pa.s; and the temperature of the coolant is regulated so that it is at least equal to Tg—20° C., where Tg is the glass transition temperature of the composition based on the amorphous polymer.Type: ApplicationFiled: December 12, 2006Publication date: October 16, 2008Applicant: Solvay (Societe Anonyme)Inventors: Claude Dehennau, Dominique Grandjean
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Publication number: 20080236388Abstract: Cartridge for the treatment of a gas by reaction with a reactive substance, comprising a cohesive assembly of alveolate cells that are at least partly filled with the reactive substance, the alveolate cells possessing one part of their wall which is permeable to the gas and impermeable to the reactive substance, said wall part being intended to be in contact with the gas.Type: ApplicationFiled: September 11, 2006Publication date: October 2, 2008Applicant: SOLVAY SAInventors: Jean-Marie Blondel, Dominique Grandjean, Claude Dehennau, Philippe-Jacques Leng
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Publication number: 20080237926Abstract: A process for the manufacture of an oriented strip comprising a semi-crystalline polymer according to which a film comprising said polymer is drawn in a longitudinal direction on a length L between 2 points at which the film moves at a respective linear velocity of V1 and V2 during its drawing, characterized in that V1, v3 and L answer the following criteria: (v2?V1)/L>0.22 s?1.Type: ApplicationFiled: August 9, 2006Publication date: October 2, 2008Applicant: EGEPLAST WERNER STRUMANN GMBH & CO. KGInventors: Pierre Matz, Frederic Beullekens, Claude Dehennau