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).

  • Publication number: 20240093014
    Abstract: 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: Application
    Filed: December 2, 2021
    Publication date: March 21, 2024
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Paola Massari, Andrea Felisati, Claudio Cavalieri, Monica Galvan, Michele Grazzi
  • Publication number: 20240059885
    Abstract: 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: Application
    Filed: November 25, 2021
    Publication date: February 22, 2024
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Michele Grazzi, Monica Galvan, Gisella Biondini, Marco Ciarafoni
  • Publication number: 20230279209
    Abstract: 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: Application
    Filed: July 1, 2021
    Publication date: September 7, 2023
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Michele Grazzi, Claudio Cavalieri
  • Publication number: 20230265273
    Abstract: 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: Application
    Filed: July 1, 2021
    Publication date: August 24, 2023
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Michele Grazzi, Claudio Cavalieri
  • Publication number: 20230265272
    Abstract: 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: Application
    Filed: July 1, 2021
    Publication date: August 24, 2023
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Claudio Cavalieri, Mikhail Dureev, Michele Grazzi
  • Patent number: 11613637
    Abstract: 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: Grant
    Filed: August 30, 2018
    Date of Patent: March 28, 2023
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Paola Massari, Andrea Felisati, Marco Izzi, Paolo Bassi, Caroline Cathelin, Michele Grazzi, Claudio Cavalieri
  • Publication number: 20220348751
    Abstract: 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: Application
    Filed: August 28, 2020
    Publication date: November 3, 2022
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: MONICA GALVAN, MICHELE GRAZZI, CLAUDIO CAVALIERI, MIKHAIL SERGEEVICH DUREEV
  • Patent number: 11466144
    Abstract: 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: Grant
    Filed: November 25, 2013
    Date of Patent: October 11, 2022
    Assignee: Basell Polyolefine GmbH
    Inventors: Michele Grazzi, Fabiana Fantinel, Giampaolo Pellegatti, Letizia Baraldi
  • Publication number: 20220106474
    Abstract: 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: Application
    Filed: January 7, 2020
    Publication date: April 7, 2022
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: MONICA GALVAN, MICHELE GRAZZI, MARCO CIARAFONI, CLAUDIO CAVALIERI
  • Publication number: 20220064420
    Abstract: 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: Application
    Filed: January 7, 2020
    Publication date: March 3, 2022
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: MONICA GALVAN, MICHELE GRAZZI, MARCO CIARAFONI, CLAUDIO CAVALIERI
  • Patent number: 10814588
    Abstract: 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: Grant
    Filed: May 6, 2014
    Date of Patent: October 27, 2020
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Michele Grazzi, Roberta Marchini, Giampaolo Pellegatti, Stefano Spataro
  • Publication number: 20200308381
    Abstract: 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: Application
    Filed: May 3, 2018
    Publication date: October 1, 2020
    Applicant: 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
  • Publication number: 20200277478
    Abstract: 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: Application
    Filed: August 30, 2018
    Publication date: September 3, 2020
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: PAOLA MASSARI, ANDREA FELISATI, MARCO IZZI, PAOLA BASSI, CAROLINE CATHELIN, MICHELE GRAZZI, CLAUDIO CAVALIERI
  • Patent number: 10711080
    Abstract: 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: Grant
    Filed: November 22, 2016
    Date of Patent: July 14, 2020
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Claudio Cavalieri, Paola Massari, Michele Grazzi, Giampaolo Pellegatti, Roberto Pantaleoni
  • Publication number: 20200190302
    Abstract: 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: Application
    Filed: October 31, 2017
    Publication date: June 18, 2020
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: CLAUDIO CAVALIERI, MICHELE GRAZZI, RAINER KOEHLER, JURGEN ROHRMANN
  • Patent number: 10544271
    Abstract: 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: Grant
    Filed: February 16, 2017
    Date of Patent: January 28, 2020
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Giampaolo Pellegatti, Michele Grazzi, Nicolas Kokel, Antonella Angelini
  • Patent number: 10385199
    Abstract: 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: Grant
    Filed: June 22, 2016
    Date of Patent: August 20, 2019
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Claudio Cavalieri, Michele Grazzi, Roberto Pantaleoni
  • Patent number: 10316122
    Abstract: 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: Grant
    Filed: October 25, 2016
    Date of Patent: June 11, 2019
    Assignee: 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
  • Publication number: 20190055333
    Abstract: 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: Application
    Filed: October 22, 2016
    Publication date: February 21, 2019
    Applicant: 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
  • Publication number: 20180371219
    Abstract: 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: Application
    Filed: November 8, 2016
    Publication date: December 27, 2018
    Applicant: BASELL POLYOLEFINE GmbH
    Inventors: MICHELE GRAZZI, CLAUDIO CAVALIERI