Patents by Inventor Dominique Jousset
Dominique Jousset 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: 10829637Abstract: The present invention relates to a composition that comprises a mixture of polymers, which comprises: a first polymer comprising polyphenylene sulphide, making up 55 wt % to 95 wt % of the mixture; a thermoplastic modifier, making up 5 wt % to 45 wt % of the mixture; optionally one or more functional additives, making up at most 10 wt % of the mixture, preferably at most 5 wt % of the mixture, characterised in that the thermoplastic modifier includes a second polymer which comprises a polyolefin backbone containing a group of at least one unsaturated monomer (X) and a plurality of polyamide grafts. The invention also relates to a multilayer structure including a plurality of adjacent layers, at least one of which consists of the aforementioned composition.Type: GrantFiled: November 24, 2015Date of Patent: November 10, 2020Assignee: ARKEMA FRANCEInventors: Fumi Ariura, Mathieu Sabard, Dominique Jousset
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Publication number: 20190367714Abstract: The present invention relates to compositions comprising a copolymer comprising at least one segment of a polyolefin and at least one segment of a polyamide, said composition additionally comprising piperazine pyrophosphate and, if appropriate, a coloring additive. The present invention also relates to a method for the manufacture of these compositions and to the use of the latter in the manufacture of jacket for metal cables, of electrical parts, such as electrical connectors or electrical engineering housings, of thermal protection jackets or sleeves, of injection-molded parts for electronic equipment, such as computers and telephones, of monolayer or multilayer tubes or of bellow tubes, preferably in the manufacture of jacket for metal cables. Finally, it also relates to the electronic, electrical or thermal protection components comprising said composition.Type: ApplicationFiled: January 26, 2018Publication date: December 5, 2019Applicant: Arkema FranceInventors: Jean-Jacques FLAT, Mathieu SABARD, Dominique JOUSSET, David MESLET, Regis CIPRIANI
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Patent number: 10435498Abstract: A polyamide-grafted polyolefin composition in which the grafting rate of the composition is between 41% and 70% by weight. Also, a thermoplastic composition including a polyolefin backbone comprising a residue of at least one unsaturated monomer (X) and a plurality of polyamide grafts, in which: the polyamide grafts are attached to the polyolefin backbone by the residue of the unsaturated monomer (X) comprising a functional group capable of reacting by a condensation reaction with a polyamide having at least one amine end and/or at least one carboxylic acid end, the residue of the unsaturated monomer (X) is attached to the backbone by grafting or copolymerization, wherein the polyamide grafts represent from 41% to 70%, preferably from 45% to 70%, by mass of said polyamide-grafted polymer. Also, a thermoplastic film for encapsulating and/or protecting the back (“backsheet”) of a photovoltaic module that includes said polyamide-grafted polyolefin composition.Type: GrantFiled: April 25, 2013Date of Patent: October 8, 2019Assignee: ARKEMA FRANCEInventors: Dominique Jousset, Jean-Jacques Flat, Samuel Devisme, Thomas Fine, Stéphane Bizet
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Patent number: 10280295Abstract: A composition of a blend of polypropylene, which may be present at between 10% and 90% by weight of the blend, and a polymer having a polyolefin core and polyamide grafts, optionally with an EPDM and/or a functional additive, which may be present at between 10% and 90% by weight of the blend. Also, a multilayer structure including a plurality of adjacent layers, at least one of which is the aforementioned composition.Type: GrantFiled: December 15, 2014Date of Patent: May 7, 2019Assignee: ARKEMA FRANCEInventors: Dominique Jousset, Grégoire Aussedat, Stéphane Bizet
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Patent number: 9978897Abstract: A thermoplastic composition including a mixture of three particular and different polyolefins, including one of a polyamide-grafted polyolefin having particular polyamide grafts (type and quantity), for example, a polyamide-grafted polymer having a polyolefin trunk containing a residue of at least one unsaturated monomer and a plurality of polyamide grafts. Also, a thermoplastic film and, more specifically, a film for encapsulating a photovoltaic module incorporating the polyamide-grafted polyolefin composition.Type: GrantFiled: September 17, 2014Date of Patent: May 22, 2018Assignee: ARKEMA FRANCEInventors: Grégoire Aussedat, Dominique Jousset, Stéphane Bizet, Jean-Jacques Flat, Samuel Devisme
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Publication number: 20170342270Abstract: The present invention relates to a composition that comprises a mixture of polymers, which comprises: a first polymer comprising polyphenylene sulphide, making up 55 wt % to 95 wt % of the mixture; a thermoplastic modifier, making up 5 wt % to 45 wt % of the mixture; optionally one or more functional additives, making up at most 10 wt % of the mixture, preferably at most 5 wt % of the mixture, characterised in that the thermoplastic modifier includes a second polymer which comprises a polyolefin backbone containing a group of at least one unsaturated monomer (X) and a plurality of polyamide grafts. The invention also relates to a multilayer structure including a plurality of adjacent layers, at least one of which consists of the aforementioned composition.Type: ApplicationFiled: November 24, 2015Publication date: November 30, 2017Applicant: ARKEMA FRANCEInventors: Fumi ARIURA, Mathieu SABARD, Dominique JOUSSET
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Patent number: 9624331Abstract: The mixture of the invention contains, for 100 parts by weight: (A) 10 to 90 parts in weight of at least one copolymer grafted to polyamide blocks, said copolymer comprising a polyolefin trunk and at least 1.Type: GrantFiled: July 1, 2008Date of Patent: April 18, 2017Assignee: ARKEMA FRANCEInventors: Marius Hert, Dominique Jousset
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Publication number: 20160333173Abstract: A composition of a blend of polypropylene, which may be present at between 10% and 90% by weight of the blend, and a polymer having a polyolefin core and polyamide grafts, optionally with an EPDM and/or a functional additive, which may be present at between 10% and 90% by weight of the blend. Also, a multilayer structure including a plurality of adjacent layers, at least one of which is the aforementioned composition.Type: ApplicationFiled: December 15, 2014Publication date: November 17, 2016Applicant: Arkema FranceInventors: Dominique JOUSSET, Grégoire AUSSEDAT, Stéphane BIZET
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Publication number: 20160247953Abstract: A thermoplastic composition including a mixture of three particular and different polyolefins, including one of a polyamide-grafted polyolefin having particular polyamide grafts (type and quantity), for example, a polyamide-grafted polymer having a polyolefin trunk containing a residue of at least one unsaturated monomer and a plurality of polyamide grafts. Also, a thermoplastic film and, more specifically, a film for encapsulating a photovoltaic module incorporating the polyamide-grafted polyolefin composition.Type: ApplicationFiled: September 17, 2014Publication date: August 25, 2016Applicant: ARKEMA FRANCEInventors: Grégoire AUSSEDAT, Dominique JOUSSET, Stéphane BIZET, Jean-Jacques FLAT, Samuel DEVISME
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Patent number: 9331215Abstract: A transparent, fireproof thermoplastic composition which is free from halogen compounds and includes a polyamide-block graft copolymer formed by a polyolefin backbone and, on average, at least one polyamide graft. The grafts are attached to the backbone by the radicals of an unsaturated monomer (X) that has a function capable of reacting with a polyamide, and the radicals of the unsaturated monomer (X) are attached to the backbone by grafting or co-polymerisation from the double bond thereof. The composition includes, as a weight percentage of the total composition: 90 to 99 wt % of the polyamide-block graft copolymer, and 1 to 10 wt % of metal salts of phosphoric acid.Type: GrantFiled: October 18, 2011Date of Patent: May 3, 2016Assignee: ARKEMA FRANCEInventors: Dominique Jousset, Jean-Jacques Flat, Pierre Georlette
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Patent number: 9315646Abstract: A polyolefin graft polyamide composition incorporating lamellar nanofillers. Also, a tube, pipe or analogous formed from a multilayer at least one of the layers of which contains this composition. A thermoplastic composition having a polyolefin backbone containing a residue of at least one unsaturated monomer and a plurality of polyamide grafts, and also another component, wherein: the polyamide grafts are attached to the polyolefin backbone by the residue of the unsaturated monomer comprising a function capable of reacting via a condensation reaction with a polyamide having at least one amine end group and/or at least one carboxylic acid end group, the residue of the unsaturated monomer is attached to the backbone by grafting or copolymerization, wherein the other component consists of platy nanofillers, said nanofillers being phyllosilicates and representing from 1% to 6.5% by weight of the composition.Type: GrantFiled: May 3, 2013Date of Patent: April 19, 2016Assignee: ARKEMA FRANCEInventors: Mathieu Sabard, Dominique Jousset, Jean-Jacques Flat, Bernard Pees, Maliha Khusrawy
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Publication number: 20150333205Abstract: A polyamide-grafted polyolefin composition in which the grafting rate of the composition is between 41% and 70% by weight. Also, a thermoplastic composition including a polyolefin backbone comprising a residue of at least one unsaturated monomer (X) and a plurality of polyamide grafts, in which: the polyamide grafts are attached to the polyolefin backbone by the residue of the unsaturated monomer (X) comprising a functional group capable of reacting by a condensation reaction with a polyamide having at least one amine end and/or at least one carboxylic acid end, the residue of the unsaturated monomer (X) is attached to the backbone by grafting or copolymerization, wherein the polyamide grafts represent from 41% to 70%, preferably from 45% to 70%, by mass of said polyamide-grafted polymer. Also, a thermoplastic film for encapsulating and/or protecting the back (“backsheet”) of a photovoltaic module that includes said polyamide-grafted polyolefin composition.Type: ApplicationFiled: April 25, 2013Publication date: November 19, 2015Inventors: Dominique JOUSSET, Jean-Jacques FLAT, Samuel DEVISME, Thomas FINE, Stéphane BIZET
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Publication number: 20150105510Abstract: A polyolefin graft polyamide composition incorporating lamellar nanofillers. Also, a tube, pipe or analogous formed from a multilayer at least one of the layers of which contains this composition. A thermoplastic composition having a polyolefin backbone containing a residue of at least one unsaturated monomer and a plurality of polyamide grafts, and also another component, wherein: the polyamide grafts are attached to the polyolefin backbone by the residue of the unsaturated monomer comprising a function capable of reacting via a condensation reaction with a polyamide having at least one amine end group and/or at least one carboxylic acid end group, the residue of the unsaturated monomer is attached to the backbone by grafting or copolymerization, wherein the other component consists of platy nanofillers, said nanofillers being phyllosilicates and representing from 1% to 6.5% by weight of the composition.Type: ApplicationFiled: May 3, 2013Publication date: April 16, 2015Applicant: Arkema FranceInventors: Mathieu Sabard, Dominique Jousset, Jean-Jacques Flat, Bernard Pees, Maliha Khusrawy
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Patent number: 8883899Abstract: A flame-retarded thermoplastic composition including a graft copolymer containing polyamide blocks and composed of a polyolefin backbone and on average at least one polyamide graft, in which the grafts are attached to the backbone by the residues of an unsaturated monomer (X) having a function capable of reacting with a polyamide, the residues of the unsaturated monomer (X) are attached to the backbone by grafting or copolymerization from its double bond, wherein the composition includes: —between 60% and 70% by weight of the graft copolymer containing polyamide blocks, —between 22% and 28% by weight of poly(pentabromobenzyl acrylate), —between 4% and 8% by weight of a synergistic flame retardant chosen from antimony trioxide, derivatives of tin, of molybdenum and/or bismuth and also boron and zinc oxides, calcium borates, calcium sulphate and/or zinc stannate, between 0.5% and 5% by weight of organophilic treated clay.Type: GrantFiled: October 18, 2011Date of Patent: November 11, 2014Assignee: Arkema FranceInventors: Dominique Jousset, Jean-Jacques Flat, Pierre Georlette
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Patent number: 8841542Abstract: The present invention relates to a photovoltaic module comprising as an encapsulant a composition comprising at least one polyacrylate- or polymethacrylate-type block copolymer with the general formula B-(A)n, n being a natural integer no lower than one, preferably 1 to 8, the block A being selected from among methacrylates having a Tg higher than 0° C., the block B being a polyacrylate or a polymethacrylate having a Tg lower than 0° C., the block B being at least 50 wt % of the total weight of the block copolymer.Type: GrantFiled: October 7, 2010Date of Patent: September 23, 2014Assignee: Arkema FranceInventors: Pierre Gerard, Stephane Bizet, Dominique Jousset
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Patent number: 8779060Abstract: The mixture of the invention contains, for 100 parts in weight of (A)+(B): (A) 10 to 90 parts in weight of at least one non-nanostructured olefinic thermoplastic polymer; (B) 90 to 10 parts in weight of a formulation of at least one elastomer having unsaturated double bonds and capable of reacting with a cross-linking or vulcanization agent, said formulation containing a crosslinking or vulcanization system of said elastomer(s), at least one plasticizer, and the standard additives present in elastomer formulations; (C) up to 100 parts in weight, relative to (A)+(B), of at least one copolymer grafted with polyamide blocks, said copolymer comprising a polyolefin trunk and at least 1.Type: GrantFiled: July 1, 2008Date of Patent: July 15, 2014Assignee: Arkema FranceInventors: Marius Hert, Dominique Jousset
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Publication number: 20140026960Abstract: An encapsulant for a photovoltaic module, intended to coat a photovoltaic cell, including at least two adjacent thermoplastic layers together forming a core-skin assembly: the skin layer is a polyamide graft polymer including a polyolefin backbone representing 50 wt % to 95 wt % of the polyamide graft polymer, containing a residue of at least one unsaturated monomer (X) and at least one polyamide graft, representing 5 wt % to 50 wt % of said polyamide graft polymer; the polyolefin backbone and the polyamide graft of the skin layer are chosen so that the polyamide graft polymer has a flow temperature greater than or equal to 75° C. and less than or equal to 160° C., this flow temperature being defined as the highest temperature out of the melting temperature and the glass transition temperature of the polyamide graft and of the polyolefin backbone.Type: ApplicationFiled: January 12, 2012Publication date: January 30, 2014Applicant: ARKEMA FRANCEInventors: Stéphane Bizet, Samuel Devisme, Thomas Fine, Dominique Jousset
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Publication number: 20140014180Abstract: An encapsulant for a photovoltaic module, intended to coat a photovoltaic cell, including at least two adjacent thermoplastic layers forming a core-skin assembly, wherein the skin layer consists of a polyamide-grafted polymer including a polyolefin backbone, representing from 50% to 95% by weight of the polyamide-grafted polymer, containing a residue of at least one unsaturated monomer (X) and at least one polyamide graft, representing from 5% to 50% by weight of polyamide-grafted polymer, the core layer including a polyethylene chosen from a homopolymer of ethylene or a copolymer including at least 50 mol % of ethylene and one or more comonomers. Also, a photovoltaic module incorporating such an encapsulant.Type: ApplicationFiled: November 17, 2011Publication date: January 16, 2014Applicant: ARKEMA FRANCEInventors: Stéphane Bizet, Samuel Devisme, Thomas Fine, Dominique Jousset
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Publication number: 20140000707Abstract: A double-layer thermoplastic film of a photovoltaic module, including two layers, one forms the encapsulator and the other forms the backsheet, wherein: a) the encapsulator is a layer including at least one polyolefin containing a polyethylene selected from a homopolymer of ethylene or a copolymer comprising at least 50 mol % of ethylene and at least one comonomer and between 0% and 100% of a polyamide grafted polymer comprising a polyolefin trunk that represents between 50 mass % and 95 mass % of the polyamide grafted polymer containing a radical of at least one unsaturated monomer (X) and at least one polyamide graft that represents between 5 mass % and 50 mass % of said polyamide grafted polymer; and b) the backsheet comprises a layer formed from a polyamide grafted polymer that is identical to that of the encapsulator except that it has a flow temperature higher than 160° C.Type: ApplicationFiled: January 12, 2012Publication date: January 2, 2014Applicant: ARKEMA FRANCEInventors: Stephane Bizet, Samuel Devisme, Thomas Fine, Dominique Jousset, Gregory O'Brien, Amy Lefebvre
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Publication number: 20130261244Abstract: A flame-retarded thermoplastic composition including a graft copolymer containing polyamide blocks and composed of a polyolefin backbone and on average at least one polyamide graft, in which the grafts are attached to the backbone by the residues of an unsaturated monomer (X) having a function capable of reacting with a polyamide, the residues of the unsaturated monomer (X) are attached to the backbone by grafting or copolymerization from its double bond, wherein the composition includes: —between 60% and 70% by weight of the graft copolymer containing polyamide blocks, —between 22% and 28% by weight of poly(pentabromobenzyl acrylate), —between 4% and 8% by weight of a synergistic flame retardant chosen from antimony trioxide, derivatives of tin, of molybdenum and/or bismuth and also boron and zinc oxides, calcium borates, calcium sulphate and/or zinc stannate, between 0.5% and 5% by weight of organophilic treated clay.Type: ApplicationFiled: October 18, 2011Publication date: October 3, 2013Applicant: ARKEMA FRANCEInventors: Dominique Jousset, Jean-Jacques Flat, Pierre Georlette