Patents by Inventor Frederic Malet
Frederic Malet 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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Publication number: 20220298350Abstract: A transparent antistatic composition based on polymethyl methacrylate (PMMA), including: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) comprising polyethylene glycol (PEG), with respect to the total composition weight, the copolymer includes in the range 50% to 80% by weight of PEG with respect to the total weight of copolymer.Type: ApplicationFiled: November 4, 2021Publication date: September 22, 2022Applicant: Arkema FranceInventors: Laure Berdin, Damien RAULINE, Karine Loyen, Frédéric Malet
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Patent number: 11352467Abstract: The present invention relates to the use of thermoplastic starch in the manufacture of an adhesive and ultrathin waterproof-breathable film, said thermoplastic starch being provided in the form of an alloy with hydrophilic TPE comprising at least 10% by weight, preferably at least 20% by weight, preferably at least 30% by weight, preferably at least 40% by weight, preferably at least 50% by weight, of polyethylene glycol (PEG), with regard to the weight of the TPE. This film can be used in a textile product in the medical field, hygiene, luggage, the clothing industry, the garment industry, domestic or household equipment, furniture, fitted carpets, the automobile industry, industry, in particular industrial filtration, agriculture and/or the construction industry.Type: GrantFiled: June 7, 2013Date of Patent: June 7, 2022Assignee: ARKEMA FRANCEInventors: Benoît Brule, Guillaume Le, Perrine Babin, Laurent B. Cartier, Frédéric Malet
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Patent number: 11344654Abstract: The present invention relates to the use of a copolymer containing polyether blocks and polyamide blocks for manufacturing an inflatable catheter element, such as a catheter balloon, with improved bursting strength, in which said copolymer has the following characteristics: a number-average molecular mass of the PE blocks greater than 500 g/mol, and a number-average molecular mass of the PA blocks greater than 10,000 g/mol.Type: GrantFiled: May 8, 2020Date of Patent: May 31, 2022Assignee: ARKEMA FRANCEInventors: Rene-Paul Eustache, Frederic Malet, Eric Gamache, Alejandra Reyna-Valencia, Damien Rauline
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Patent number: 11332576Abstract: The invention relates to a block copolymer derived from at least one ethylene oxide and/or propylene oxide monomer containing 14C. The present invention also relates to a method for preparing such a block copolymer.Type: GrantFiled: April 5, 2011Date of Patent: May 17, 2022Assignee: ARKEMA FRANCEInventors: Frederic Malet, Guillaume Le, Julien Jouanneau
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Patent number: 11299588Abstract: The invention concerns a method for producing polyamide from an amino ester of formula NH2—(CH2)n—COOR, in which R represents an alkyl group and n represents an integer ranging from 5 to 14, comprising: a first reaction step in the presence of water, at a first temperature; followed by a second reaction step at a second temperature higher than the first temperature.Type: GrantFiled: November 14, 2014Date of Patent: April 12, 2022Assignee: ARKEMA FRANCEInventors: Thierry Briffaud, Pierre Nogues, Guillaume Le, Frédéric Malet
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Publication number: 20210371653Abstract: A polyamide-based polymer composition including: a) 50% to 98% by weight of a transparent amorphous polyamide; b) 1% to 15% by weight of a polymer in the form of core-shell particles; and c) 1% to 15% by weight of a polyether block and polyamide block copolymer, wherein the polyether block and polyamide block copolymer has: as a 2 mm layer, a transmittance at 560 nm of 90% or more; and a refractive index that does not differ by more than 0.01 from that of the transparent amorphous polyamide and wherein the polymer in the form of core-shell particles has a refractive index that does not differ by more than 0.01 from that of the transparent amorphous polyamide. Also, a process for the manufacture of the composition, and the composition capable of being obtained by said process.Type: ApplicationFiled: October 17, 2019Publication date: December 2, 2021Applicant: Arkema FranceInventors: Mathieu SABARD, Philippe BLONDEL, Benjamin SAILLARD, Frédéric MALET
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Patent number: 11142641Abstract: The invention relates to a composition comprising: (A) an amorphous or quasi-amorphous copolymer containing polyamide blocks and containing polyether blocks, the polyamide blocks comprising cycloaliphatic units; (B) a semicrystalline polymer or copolymer comprising amide units; (C) another polymer or copolymer comprising amide units; and (D) a multilayer polymer comprising at least a layer (D1) and a layer (D2). This composition has advantageous properties of transparency and impact strength, especially for the manufacture of sports articles.Type: GrantFiled: May 17, 2017Date of Patent: October 12, 2021Assignee: ARKEMA FRANCEInventors: Frédéric Malet, Mathieu Sabard, Philippe Blondel, Yves Deyrail
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Publication number: 20200283581Abstract: The present invention relates to elastomeric thermoplastic polymers (ETP) and especially technical polymers with high added value used in varied sectors, such as electronics, motor vehicles or sport. The present invention more particularly relates to copolymers containing polyether blocks and polyamide blocks, abbreviated as “PEBA”, which have good antistatic properties. Even more particularly, the invention relates to a copolymer containing at least one polyamide (PA) block, at least one polyethylene glycol (PEG) block and at least one block that is more hydrophobic than the PEG block. A subject of the invention is also a process for synthesizing such thermoplastic elastomers which have good antistatic properties and the use thereof in any type of thermoplastic polymer matrix in order to afford this matrix antistatic properties.Type: ApplicationFiled: May 7, 2020Publication date: September 10, 2020Applicant: Arkema FranceInventors: Alejandra Reyna-Valencia, Frédéric Malet, Quentin PINEAU
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Patent number: 10759939Abstract: The present invention relates to an impact modified polyamide composition. In particular, the present invention relates to impact modified transparent polyamide compositions comprising a multistage polymer. More particularly, the present invention relates to the use of multistage polymer as impact modifier in a transparent polyamide composition.Type: GrantFiled: November 4, 2015Date of Patent: September 1, 2020Assignee: Arkema FranceInventor: Frederic Malet
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Publication number: 20200261627Abstract: The present invention relates to the use of a copolymer containing polyether blocks and polyamide blocks for manufacturing an inflatable catheter element, such as a catheter balloon, with improved bursting strength, in which said copolymer has the following characteristics: a number-average molecular mass of the PE blocks greater than 500 g/mol, and a number-average molecular mass of the PA blocks greater than 10,000 g/mol.Type: ApplicationFiled: May 8, 2020Publication date: August 20, 2020Inventors: Rene-Paul EUSTACHE, Frederic MALET, Eric GAMACHE, Alejandra REYNA-VALENCIA, Damien RAULINE
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Patent number: 10646620Abstract: A copolymer containing polyether blocks and polyamide blocks for manufacturing an inflatable catheter element, such as a catheter balloon, with improved bursting strength, in which said copolymer has the following characteristics: number-average molecular mass of the PE blocks greater than 500 g/mol, and number-average molecular mass of the PA blocks greater than 10 000 g/mol.Type: GrantFiled: April 13, 2015Date of Patent: May 12, 2020Assignee: ARKEMA FRANCEInventors: René-Paul Eustache, Frédéric Malet, Eric Gamache, Alejandra Reyna-Valencia, Damien Rauline
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Publication number: 20190300707Abstract: The invention relates to a composition comprising: (A) an amorphous or quasi-amorphous copolymer containing polyamide blocks and containing polyether blocks, the polyamide blocks comprising cycloaliphatic units; (B) a semicrystalline polymer or copolymer comprising amide units; (C) another polymer or copolymer comprising amide units; and (D) a multilayer polymer comprising at least a layer (D1) and a layer (D2). This composition has advantageous properties of transparency and impact strength, especially for the manufacture of sports articles.Type: ApplicationFiled: May 17, 2017Publication date: October 3, 2019Applicant: Arkema FranceInventors: Frédéric Malet, Mathieu Sabard, Philippe Blondel, Yves Deyrail
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Patent number: 10316127Abstract: The present invention relates to a multistage polymer, its composition, its process of preparation, and its use as impact modifier in thermoplastic compositions. More particularly the present invention relates to a process for manufacturing a polymer composition comprising a multistage polymer and its use as impact modifier in thermoplastic compositions.Type: GrantFiled: November 24, 2015Date of Patent: June 11, 2019Assignee: Arkema FranceInventors: Christophe Navarro, Aline O. Couffin, Rosangela Pirri, Frederic Malet
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Publication number: 20190062545Abstract: A transparent antistatic composition based on polymethyl methacrylate (PMMA), including: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) inlcuding polyethylene glycol (PEG), with respect to the total composition weight, said copolymer being characterized in that it includes in the range 50% to 80% by weight of PEG with respect to the total weight of copolymer.Type: ApplicationFiled: August 27, 2018Publication date: February 28, 2019Applicant: ARKEMA FRANCEInventors: Laure BERDIN, Damien Rauline, Karine LOYEN, Frederic Malet
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Patent number: 10105310Abstract: The present invention relates to a composition comprising from 0.1 to 30% by weight of copolymer comprising polyether blocks and polyamide blocks (PEBA), and from 70 to 99.9% by weight of a medium which is acceptable in the cosmetics industry, in the perfumery industry and/or in the pharmaceutical industry. The present invention also relates in particular to a process for incorporating a copolymer comprising polyether blocks and polyamide blocks into a cosmetic, perfumery and/or pharmaceutical medium. The subject matter of the present invention is also the use of a copolymer comprising polyether blocks and polyamide blocks (PEBA) for producing a cosmetic, pharmaceutical or perfumery product, said PEBA being incorporated in the form of a composition in accordance with the invention.Type: GrantFiled: June 29, 2011Date of Patent: October 23, 2018Assignee: ARKEMA FRANCEInventor: Frédéric Malet
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Patent number: 9914804Abstract: The invention relates to a method for synthesising a block copolymer alloy including at least one rigid polyamide block PA, including the steps of: a) producing said block copolymer; b) adding, during step a) and to at least a portion of said block copolymer, 0.1 to 30 wt % of at least one organic salt in the molten state relative to the total weight of the alloy, so that the alloy thus obtained has improved antistatic properties and identical mechanical properties when compared to the same polymer produced without adding an organic salt. The invention also relates to a block copolymer alloy having improved antistatic properties and obtained by said method, to the use thereof in a polymer matrix, and to a composition containing same.Type: GrantFiled: February 2, 2010Date of Patent: March 13, 2018Assignee: ARKEMA FRANCEInventors: Frederic Malet, Eric Gamache, Perrine Babin, Benoit Andre, Michael Werth
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Publication number: 20180037701Abstract: The present invention relates to elastomeric thermoplastic polymers (ETP) and especially technical polymers with high added value used in varied sectors, such as electronics, motor vehicles or sport. The present invention more particularly relates to copolymers containing polyether blocks and polyamide blocks, abbreviated as “PEBA”, which have good antistatic properties. Even more particularly, the invention relates to a copolymer containing at least one polyamide (PA) block, at least one polyethylene glycol (PEG) block and at least one block that is more hydrophobic than the PEG block. A subject of the invention is also a process for synthesizing such thermoplastic elastomers which have good antistatic properties and the use thereof in any type of thermoplastic polymer matrix in order to afford this matrix antistatic properties.Type: ApplicationFiled: December 18, 2015Publication date: February 8, 2018Applicant: Arkema FranceInventors: Alejandra REYNA-VALENCIA, Frederic MALET, Quentin PINEAU
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Publication number: 20170355802Abstract: The present invention relates to a multistage polymer, its composition, its process of preparation, and its use as impact modifier in thermoplastic compositions. More particularly the present invention relates to a process for manufacturing a polymer composition comprising a multistage polymer and its use as impact modifier in thermoplastic compositions.Type: ApplicationFiled: November 24, 2015Publication date: December 14, 2017Inventors: Christophe NAVARRO, Aline O. COUFFIN, Rosangela PIRRI, Frederic MALET
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Publication number: 20170355801Abstract: The present invention relates to a multistage polymer, its composition, its process of preparation, and its use as impact modifier in thermoplastic compositions. More particularly the present invention relates a process for manufacturing a multistage polymer, a multistage polymer in thermoplastic compositions, which provides the composition having satisfying thermal stability.Type: ApplicationFiled: November 24, 2015Publication date: December 14, 2017Inventors: Aline O. COUFFIN, Rosangela PIRRI, Frederic MALET
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Patent number: 9809683Abstract: The invention relates to a copolymer comprising at least two distinct polyamide blocks and at least one polyether block, and a method for preparation of said copolymer comprising the following steps: —in a first step, the polyamide block PA1 is prepared by polycondensation of chosen monomers: amino acids, lactames or diamines and dicarboxylic acids, in the presence of an appropriate chain limiter; —then, in a second optional step, the polyamide PA1 block obtained is reacted with all or part of the polyether PE blocks, in the presence or absence of a catalyst; —in a third step, the polyamide PA2 block is prepared by polycondensation of the chosen isomers: amino acids, lactams or diamines and dicarboxylic acids, in the presence of an appropriate chain limiter; —in a fourth optional step, the polyamide PA2 block obtained is reacted with all or part of the polyether PE blocks, in the presence or absence of a catalyst; —in a fifth step, PA1 or the reaction medium from step 2 is reacted with PA2 or the reaction medType: GrantFiled: October 6, 2014Date of Patent: November 7, 2017Assignee: Arkema FranceInventor: Frederic Malet