Patents by Inventor Michele Grazzi
Michele Grazzi 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: 20240093014Abstract: A polymer composition made from or containing: A) from 70 wt % to 95 wt % of a propylene polymer composition made from or containing: A1) from 15 wt % to 35 wt % of a propylene 1-butene copolymer; and A2) from 65 wt % to 85 wt % of a propylene ethylene 1-butene terpolymer; and B) from 5.0 wt % to 30.0 wt % of a copolymer of 1-butene and ethylene containing from 3.0 wt % to 4.2 wt % of ethylene derived units, based upon the total weight of the copolymer of 1-butene and ethylene, wherein the sum of the amounts of A) and B) being 100 wt %.Type: ApplicationFiled: December 2, 2021Publication date: March 21, 2024Applicant: Basell Poliolefine Italia S.r.l.Inventors: Paola Massari, Andrea Felisati, Claudio Cavalieri, Monica Galvan, Michele Grazzi
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Publication number: 20240059885Abstract: A polyolefin composition made from or containing: (I) 50-95% by weight of a heterophasic polyolefin composition made from or containing: (A) 10-40% by weight of a propylene polymer selected from the group consisting of propylene homopolymers and copolymers of propylene with an alpha-olefin, having 1.0-6.0% by weight of units deriving from the alpha-olefin, wherein the propylene polymer (A) having a melt flow rate (MFRA) ranging from 20 to 60 g/10 min.; and (B) 60-90% by weight of a copolymer of propylene with an alpha-olefin, having 20-35% by weight of units deriving from the alpha-olefin, wherein the fraction of the heterophasic polyolefin composition (I) soluble in xylene at 25° C. (XS(I)) is equal to or higher than 60% by weight; and (II) 5-50% by weight of a propylene-ethylene copolymer having 12-25% by weight of units deriving from ethylene.Type: ApplicationFiled: November 25, 2021Publication date: February 22, 2024Applicant: Basell Poliolefine Italia S.r.l.Inventors: Michele Grazzi, Monica Galvan, Gisella Biondini, Marco Ciarafoni
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Publication number: 20230279209Abstract: A polyolefin composition made from or containing: (A) 10-40% by weight of a copolymer of propylene with hexene-1, is made from or containing 1.0-6.0% by weight, based on the weight of (A), of units deriving from hexene-1 and has a melt flow rate (MFRA) measured according to ISO 1133, 230° C., 2.16 kg ranging from 20 to 60 g/10 min.; and (B) 60-90% by weight of a copolymer of propylene with an alpha-olefin of formula CH2?CHR, and optionally a diene, wherein R is H or a linear or branched C2-C8 alkyl and wherein the copolymer is made from or containing 20-35% by weight, based on the total weight of (B), of alpha-olefin, wherein the polyolefin composition has an amount of fraction soluble in xylene (XS(tot)) at 25° C. equal to or higher than 65% by weight, and the amounts of (A), (B), and XS(tot) being based on the total weight of (A)+(B).Type: ApplicationFiled: July 1, 2021Publication date: September 7, 2023Applicant: Basell Poliolefine Italia S.r.l.Inventors: Michele Grazzi, Claudio Cavalieri
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Publication number: 20230265273Abstract: A polyolefin composition made from or containing: (A) 18-35% by weight of a copolymer of propylene with an alpha-olefin, wherein the copolymer contains 2.0-4.0% by weight of the alpha-olefin and has a melt flow rate (MFRA) ranging from 30 to 60 g/10 min; and (B) 65-82% by weight of a copolymer of propylene with an alpha-olefin, and optionally a diene, wherein the copolymer is made from or containing 20-35% by weight of the alpha-olefin, wherein the polyolefin composition is made from or containing a fraction that is soluble in xylene at 25° C. (XS(tot)) in an amount higher than 70% by weight; the amounts of (A), (B), and the fraction soluble in xylene at 25° C. (XS(tot)) are based on the total weight of the polyolefin composition; and the melt flow rate (MFR) of the polyolefin composition ranges from 0.2 to 2.0 g/10 min.Type: ApplicationFiled: July 1, 2021Publication date: August 24, 2023Applicant: Basell Poliolefine Italia S.r.l.Inventors: Michele Grazzi, Claudio Cavalieri
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Publication number: 20230265272Abstract: Heterophasic copolymers of propylene having a MFR2 (230° C./2.16 Kg) of from 3.0 to 12.0 g/10 min made from or containing: (a) from 55 to 75 wt. % of a component (A) being a copolymer of propylene with ethylene or a C4-C10 alpha-olefin, made from or containing from 0.5 to 2.0 wt. % of ethylene and/or C4-C10 alpha-olefin units and having a MFR2 (230° C./2.16 K g) ranging from 60 to 140 g/10 min; and (b) from 25 to 45 wt. % of a component (B) being a propylene-ethylene copolymer made from or containing from 25 to 45 wt. % of ethylene units and having a value of the intrinsic viscosity of the fraction soluble in xylene at room temperature (XS-IV) ranging from 5 to 9 dl/g.Type: ApplicationFiled: July 1, 2021Publication date: August 24, 2023Applicant: Basell Poliolefine Italia S.r.l.Inventors: Claudio Cavalieri, Mikhail Dureev, Michele Grazzi
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Patent number: 11613637Abstract: A multilayer film made from or containing at least one core layer made from or containing a polypropylene composition made from or containing: A) from 95 wt % to 60 wt %; of a propylene homopolymer having a fraction insoluble in xylene at 25° C. greater than 90 wt %, based upon the total weight of the propylene homopolymer; and B) from 5 wt % to 40 wt %; of an heterophasic propylene ethylene copolymer, the sum of the amounts of A) and B) being 100.Type: GrantFiled: August 30, 2018Date of Patent: March 28, 2023Assignee: Basell Poliolefine Italia S.r.l.Inventors: Paola Massari, Andrea Felisati, Marco Izzi, Paolo Bassi, Caroline Cathelin, Michele Grazzi, Claudio Cavalieri
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Publication number: 20220348751Abstract: An injection molded article made from or containing a propylene-based composition made from or containing: T1) from 90 wt % to 50 wt % of a propylene homopolymer; and T2) from 10 wt % to 50 wt % of a polymer 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 C) 30-60% by weight of a copolymer of ethylene and propylene containing from 25% to 75% by weight of ethylene units.Type: ApplicationFiled: August 28, 2020Publication date: November 3, 2022Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: MONICA GALVAN, MICHELE GRAZZI, CLAUDIO CAVALIERI, MIKHAIL SERGEEVICH DUREEV
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Patent number: 11466144Abstract: Polyethylene composition with improved balance of mechanical and optical properties, comprising (all percentages being by weight): A) from 90 to 99.7% of a LLDPE having a density from 0.91 to 0.94 g/cm3 and a ratio MIF/MIE equal to or higher than 20, where MIF is the melt flow index at 190° C. with a load of 21.60 kg, and MIE is the melt flow index at 190° C. with a load of 2.16 kg, both determined according to ISO 1133; B) from 0.3 to 10% of a LDPE having MIE from 0.1 to 0.6 g/10 min.Type: GrantFiled: November 25, 2013Date of Patent: October 11, 2022Assignee: Basell Polyolefine GmbHInventors: Michele Grazzi, Fabiana Fantinel, Giampaolo Pellegatti, Letizia Baraldi
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Publication number: 20220106474Abstract: A polyolefin composition made from or containing: A) 5-35% by weight of a propylene homopolymer; B) 20-50% by weight of an ethylene homopolymer; and C) 30-60% by weight of a terpolymer of ethylene, propylene and 1-butene derived units.Type: ApplicationFiled: January 7, 2020Publication date: April 7, 2022Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: MONICA GALVAN, MICHELE GRAZZI, MARCO CIARAFONI, CLAUDIO CAVALIERI
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Publication number: 20220064420Abstract: A polyolefin composition made from or containing: A) 5-35% by weight of a propylene ethylene copolymer; B) 20-50% by weight of an ethylene homopolymer; and C) 30-60% by weight of a terpolymer of ethylene, propylene and 1-butene derived units.Type: ApplicationFiled: January 7, 2020Publication date: March 3, 2022Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: MONICA GALVAN, MICHELE GRAZZI, MARCO CIARAFONI, CLAUDIO CAVALIERI
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Patent number: 10814588Abstract: Multilayer film (BOPP) structure containing at least: A) a skin (outer) layer substantially consisting of a crystalline low seal Initiation temperature propylene copolymer; B) a tie layer substantially consisting of a butene-1 copolymer having flexural modulus (MEF) of 75 MPa or less; C) a core layer substantially consisting of one or more polypropylene homopolymers designed for BOPP.Type: GrantFiled: May 6, 2014Date of Patent: October 27, 2020Assignee: Basell Poliolefine Italia S.r.l.Inventors: Michele Grazzi, Roberta Marchini, Giampaolo Pellegatti, Stefano Spataro
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Publication number: 20200308381Abstract: A polypropylene composition made from or containing: A) from 50 wt % to 90 wt %, based upon the total weight of the polypropylene composition, of a propylene homopolymer; and B) from 10 wt % to 50 wt %, based upon the total weight of the polypropylene composition, of a copolymer of propylene and ethylene having from 30.0 wt % to 70.0 wt %, based upon the total weight of the copolymer, of ethylene derived units; the polypropylene composition having: i) an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 2.2 and 4.0 dl/g; ii) a MFR L from 0.5 to 100 g/10 min; and iii) a xylene soluble fraction ranging from 10 wt % to 50 wt %, based upon the total weight of the polypropylene composition.Type: ApplicationFiled: May 3, 2018Publication date: October 1, 2020Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: GIANNI VITALE, FABRIZIO PIEMONTESI, BENEDETTA GADDI, GIANNI COLLINA, GIAMPIERO MORINI, CAROLINE CATHELIN, MARCO CIARAFONI, GIANPIERO FERRARO, CLAUDIO CAVALIERI, PAOLA MASSARI, MICHELE GRAZZI
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Publication number: 20200277478Abstract: A multilayer film made from or containing at least one core layer made from or containing a polypropylene composition made from or containing: A) from 95 wt % to 60 wt %; of a propylene homopolymer having a fraction insoluble in xylene at 25° C. greater than 90 wt %, based upon the total weight of the propylene homopolymer; and B) from 5 wt % to 40 wt %; of an heterophasic propylene ethylene copolymer, the sum of the amounts of A) and B) being 100.Type: ApplicationFiled: August 30, 2018Publication date: September 3, 2020Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: PAOLA MASSARI, ANDREA FELISATI, MARCO IZZI, PAOLA BASSI, CAROLINE CATHELIN, MICHELE GRAZZI, CLAUDIO CAVALIERI
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Patent number: 10711080Abstract: A propylene 1-hexene copolymer containing from about 5.5 to about 9.0% by weight, based upon the total weight of the copolymer, of 1-hexene derived units having: a) two melting temperature peaks in the DSC plot having a difference in height ranging from 0 to 5 mW; b) the higher melting temperature, measured by DSC, ranging from about 141.0° C. to about 151.0° C.; and c) Melt Flow Rate (MFR, measured according to ASTM D 1238, 230° C./2.16 kg) from about 3.5 to about 8.0 g/10 min.Type: GrantFiled: November 22, 2016Date of Patent: July 14, 2020Assignee: Basell Poliolefine Italia S.r.l.Inventors: Claudio Cavalieri, Paola Massari, Michele Grazzi, Giampaolo Pellegatti, Roberto Pantaleoni
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Publication number: 20200190302Abstract: A polypropylene composition containing glass fiber fillers, having a high Melt Flow Rate (MFR) and a good balance of mechanical properties. The compositions show excellent mechanical (high stiffness and ductility) and thermal properties (low shrinkage) while displaying a boost of the final MFR, notwithstanding the presence of glass fibers.Type: ApplicationFiled: October 31, 2017Publication date: June 18, 2020Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: CLAUDIO CAVALIERI, MICHELE GRAZZI, RAINER KOEHLER, JURGEN ROHRMANN
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Patent number: 10544271Abstract: A copolymer of propylene with hexene-1 containing from 5 to 9% by weight of recurring units derived from hexene-1, having a melting temperature from 125 to 140° C. and Melt Flow Rate (ASTM D1238, 230/2.16 Kg) from 0.1 to 3 g/10 min., is used to produce blown films having valuable mechanical and optical properties.Type: GrantFiled: February 16, 2017Date of Patent: January 28, 2020Assignee: Basell Poliolefine Italia S.r.l.Inventors: Giampaolo Pellegatti, Michele Grazzi, Nicolas Kokel, Antonella Angelini
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Patent number: 10385199Abstract: Polyolefin compositions made from or containing: (A) about 5 to about 35% by weight of a propylene-based polymer containing about 90% by weight or more of propylene units and containing about 10% by weight or less of a fraction soluble in xylene at 25° C. (XSA); (B) about 25 to about 50% by weight, of a copolymer of ethylene and a C3-C8 alpha-olefin containing from about 0.1% to about 15% by weight of alpha-olefin units and containing about 75% by weight or less of a fraction soluble in xylene at 25° C. (XSB); and (C) about 30 to about 60% by weight, of a copolymer of ethylene and propylene containing from about 45% to about 75% by weight of ethylene units and containing from about 55% to about 95% by weight, of a fraction soluble in xylene at 25° C. (XSC).Type: GrantFiled: June 22, 2016Date of Patent: August 20, 2019Assignee: Basell Poliolefine Italia S.r.l.Inventors: Claudio Cavalieri, Michele Grazzi, Roberto Pantaleoni
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Patent number: 10316122Abstract: A polypropylene composition made from or containing: A) from 50 wt % to 90 wt %; of a propylene homopolymer; B) from 10 wt % to 50 wt %; of a copolymer of propylene having from 30.0 wt % to 70.0 wt %, of ethylene derived units, based upon the total weight of the copolymer; the sum of the amount of component A) and B) being 100; the polypropylene composition having: i) an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 2.2 to 4.0 dl/g; ii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) from 0.5 to 100 g/10 min; iii) a xylene soluble fraction ranging from 20 wt % to 50 wt %, based upon the total weight of the polypropylene composition; wherein the polypropylene composition being obtained by a polymerization process wherein the catalyst system contains bismuth.Type: GrantFiled: October 25, 2016Date of Patent: June 11, 2019Assignee: Basell Poliolefine Italia S.r.l.Inventors: Paola Massari, Caroline Cathelin, Giampiero Morini, Fabrizio Piemontesi, Gianni Vitale, Marco Ciarafoni, Claudio Cavalieri, Roberto Pantaleoni, Michele Grazzi
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Publication number: 20190055333Abstract: A polypropylene composition made from or containing: A) from 50 wt % to 90 wt %; of a propylene homopolymer; B) from 10 wt % to 50 wt %; of a copolymer of propylene having from 30.0 wt % to 70.0 wt %, of ethylene derived units, based upon the total weight of the copolymer; the sum of the amount of component A) and B) being 100; the polypropylene composition having: i) an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 2.2 to 4.0 dl/g; ii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) from 0.5 to 100 g/10 min; iii) a xylene soluble fraction ranging from 20 wt % to 50 wt %, based upon the total weight of the polypropylene composition; wherein the polypropylene composition being obtained by a polymerization process wherein the catalyst system contains bismuth.Type: ApplicationFiled: October 22, 2016Publication date: February 21, 2019Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: PAOLA MASSARI, CAROLINE CATHELIN, GIAMPIERO MORINI, FABRIZIO PIEMONTESI, GIANNI VITALE, MARCO CIARAFONI, CLAUDIO CAVALIERI, ROBERTO PANTALEONI, MICHELE GRAZZI
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Publication number: 20180371219Abstract: A blown film made from or containing a polyolefin composition (I) made from or containing: A) from about 40 to about 75 wt. %, based upon the total weight of the polyolefin composition, of a polyethylene having a density of about 0.920 to about 0.940 g/cm3 and a fraction soluble in xylene (XSA) of less than about 10% wt. %; and B) from about 25 to about 60 wt. %, based upon the total weight of the polyolefin composition, of a copolymer of ethylene with one or more comonomers selected from ?-olefins having formula HC2?CHRI, where RI is an alkyl radical, linear or branched, having from 1 to 8 carbon atoms, made from or containing from about 50 to about 70 wt. % of ethylene and having a fraction soluble in xylene (XSB) of at least 50 wt. %.Type: ApplicationFiled: November 8, 2016Publication date: December 27, 2018Applicant: BASELL POLYOLEFINE GmbHInventors: MICHELE GRAZZI, CLAUDIO CAVALIERI