Patents by Inventor Renaud Lemaire
Renaud Lemaire 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: 11814759Abstract: A skin-core fiber having a skin of a propylene ethylene copolymer having: i) xylene soluble fraction from 14 wt % to 27 wt %; ii) intrinsic viscosity of the fraction soluble in xylene at 25° C. from 1.0 to 2.4 dl/g; iii) melt flow rate, MFR, from 12 g/10 min to 60 g/10 min; iv) an ethylene derived units content from 5.0 wt % to 12.0 wt %; v) the ethylene derived units content of the fraction insoluble in xylene from 2.5 wt % to 6.0 wt %; vi) the ethylene derived units content of the fraction soluble in xylene ranging from 15.2. wt % to 30.2 wt %; vii) C13 NMR sequences PEP on the fraction insoluble in xylene from 3.5 mol % to 5.5 mol %; and viii) C13 NMR sequences PEP on the fraction soluble in xylene from 11.0 mol % to 14.2 mol %; and a core of a polyethylene having a density between 0.940 g/cm3 to 0.975 g/cm3.Type: GrantFiled: May 26, 2020Date of Patent: November 14, 2023Assignee: Basell Poliolefine Italia S.r.l.Inventors: Roberto De Palo, Renaud Lemaire, Jaume Marti Porqueres
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Publication number: 20220306848Abstract: A process for preparing fibers made from or containing propylene homopolymer having: a melting point ranging from 150° C. to 164° C.; a fraction soluble in xylene at 25° C. between 6.0 wt % and 2.0 wt %; a fraction soluble in acetone 25° C. between 0.5 wt % and 2.0 wt %; a ratio fraction soluble in xylene at 25° C./fraction soluble in acetone 25° C. between 0.30 and 0.60; a polydispersity index ranging from 2.8 to 4.5; and a melt flow rate (ISO 1133, 230° C./2.16 kg) between 2 to 40 g/10 min.Type: ApplicationFiled: May 18, 2020Publication date: September 29, 2022Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: ROBERTO DE PALO, JAUME MARTI PORQUERES, RENAUD LEMAIRE, CLAUDIO CAVALIERI
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Publication number: 20220251745Abstract: A skin-core fiber having a skin of a propylene ethylene copolymer having: i) xylene soluble fraction from 14 wt % to 27 wt %; ii) intrinsic viscosity of the fraction soluble in xylene at 25° C. from 1.0 to 2.4 dl/g; iii) melt flow rate, MFR, from 12 g/10 min to 60 g/10 min; iv) an ethylene derived units content from 5.0 wt % to 12.0 wt %; v) the ethylene derived units content of the fraction insoluble in xylene from 2.5 wt % to 6.0 wt %; vi) the ethylene derived units content of the fraction soluble in xylene ranging from 15.2. wt % to 30.2 wt %; vii) C13 NMR sequences PEP on the fraction insoluble in xylene from 3.5 mol % to 5.5 mol %; and viii) C13 NMR sequences PEP on the fraction soluble in xylene from 11.0 mol % to 14.2 mol %; and a core of a polyethylene having a density between 0.940 g/cm3 to 0.975 g/cm3.Type: ApplicationFiled: May 26, 2020Publication date: August 11, 2022Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: ROBERTO DE PALO, RENAUD LEMAIRE, JAUME MARTI PORQUERES
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Publication number: 20220106717Abstract: A polyolefin composition for preparing fibers, made from or containing: A) 60-95% by weight of a propylene homo- or copolymer; and B) 5-40% by weight of a copolymer of butene-1 or a butene-1 polymer composition having: a Melt Flow Rate value of from 5 to 100 g/10 min., measured according to ISO 1133 at 190° C. with a load of 2.16 kg; a copolymerized comonomer content from 4% to 15% by mole, referred to the total weight of B); a Mw/Mn value equal to or lower than 4; and flexural modulus of 80 MPa or higher.Type: ApplicationFiled: December 17, 2019Publication date: April 7, 2022Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: ROBERTO DE PALO, GIANLUCA MUSACCHI, RENAUD LEMAIRE, JAUME MARTI PORQUERES
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Patent number: 10767036Abstract: A polyolefinic fiber made from or containing from 2 wt % to 20 wt % relative to the total weight of the fiber of a polyolefin composition made from or containing: A) 5-35% by weight of a propylene homopolymer or a propylene ethylene copolymer; B) 20-50% by weight of a copolymer of ethylene and a C3-C8 alpha-olefin containing from 0.1% to 20% by weight of alpha-olefin units and containing 25% by weight or less of a fraction soluble in xylene at 25° C.; and C) 30-60% by weight of a copolymer of ethylene and propylene containing from 25% to 75% by weight of ethylene units and containing from 40% to 95% by weight of a fraction soluble in xylene at 25° C.; the amounts of (A), (B) and (C) being referred to the total weight of (A)+(B)+(C), the sum of the amount of (A)+(B)+(C) being 100.Type: GrantFiled: June 20, 2018Date of Patent: September 8, 2020Assignee: Basell Poliolefine Italia S.r.l.Inventors: Monica Galvan, Claudio Cavalieri, Jaume Marti Porqueres, Renaud Lemaire, Roberto De Palo
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Publication number: 20200165424Abstract: A polyolefinic fiber made from or containing from 2 wt % to 20 wt % relative to the total weight of the fiber of a polyolefin composition made from or containing: A) 5-35% by weight of a propylene homopolymer or a propylene ethylene copolymer; B) 20-50% by weight of a copolymer of ethylene and a C3-C8 alpha-olefin containing from 0.1% to 20% by weight of alpha-olefin units and containing 25% by weight or less of a fraction soluble in xylene at 25° C.; and C) 30-60% by weight of a copolymer of ethylene and propylene containing from 25% to 75% by weight of ethylene units and containing from 40% to 95% by weight of a fraction soluble in xylene at 25° C.; the amounts of (A), (B) and (C) being referred to the total weight of (A)+(B)+(C), the sum of the amount of (A)+(B)+(C) being 100.Type: ApplicationFiled: June 20, 2018Publication date: May 28, 2020Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: MONICA GALVAN, CLAUDIO CAVALIERI, JAUME MARTI PORQUERES, RENAUD LEMAIRE, ROBERTO DE PALO
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Patent number: 9035007Abstract: A strap comprising a propylene and 1-hexene copolymer containing from 0.3 wt % to less than 5 wt % of 1-hexene derived units said copolymer having a melt flow rate (MFR) determined according to ISO method 1133 (230° C., 2.16 kg ranging from 0.3 to less than 11 g/10 min.Type: GrantFiled: July 13, 2012Date of Patent: May 19, 2015Assignee: Basell Poliolefine Italia S.r.l.Inventors: Gianni Perdomi, Monica Galvan, Renaud Lemaire, Roberta Marzolla
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Publication number: 20140171610Abstract: A strap comprising a propylene and 1-hexene copolymer containing from 0.3 wt % to less than 5 wt % of 1-hexene derived units said copolymer having a melt flow rate (MFR) determined according to ISO method 1133 (230° C., 2.16 kg ranging from 0.3 to less than 11 g/10 min.Type: ApplicationFiled: July 13, 2012Publication date: June 19, 2014Applicant: Basell Poliolefine Italia S.r.l.Inventors: Gianni Perdomi, Monica Galvan, Renaud Lemaire, Roberta Marzolla
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Publication number: 20090029621Abstract: Soft filaments and spunbonded non-woven fabrics obtained therefrom, said filaments comprising a blend of a propylene copolymer or a propylene copolymer composition and an heterophasic propylene polymer composition.Type: ApplicationFiled: November 8, 2006Publication date: January 29, 2009Applicant: Basell Poliolefine Italia s.r.l.Inventors: Gabriella Sartori, Franco Sartori, Renaud Lemaire