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: 20250059362
    Abstract: A polyolefin composition made from or containing (I) 75-95 wt % of a thermoplastic polyolefin made from or containing (A) 18-30 wt % of a propylene copolymer with 1.0-6.0 wt. % of CH2?CHR comonomer, having a melt flow rate (MFR) ranging from 30 to 60 g/10 min; and (B) 70-82 wt % of a propylene copolymer with 20-35 wt. % of CH2?CHR comonomer, and optionally a diene, wherein the thermoplastic polyolefin has i) a xylene soluble fraction equal to or greater than 70 wt. %; and ii) a MFR from 0.2 to 15.0 g/10 min, and (II) 5-25 wt % of a polybutene component, having a flexural modulus equal to or lower than 60 MPa and made from or containing a butene-1 copolymer with ethylene and optionally a comonomer of formula CH2?CHR1, wherein the copolymer having i) up to and including 20 wt % of ethylene-or comonomer-derived units; and ii) Mw/Mn equal to or lower than 3.
    Type: Application
    Filed: December 12, 2022
    Publication date: February 20, 2025
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Michele Grazzi, Monica Galvan
  • Publication number: 20250051546
    Abstract: A process for producing a polybutene-1 composition including the step of: blending A) from 99.5 to 99.9% by weight, with respect to the total weight of A)+B), of a butene-1 polymer which is brought to a molten state or maintained in a molten state during the blending step; and B) from 0.1 to 0.5% by weight, with respect to the total weight of A)+B), of an alkanoyl hydrazine; wherein the resulting polybutene-1 composition, having a crystallization temperature TcC satisfying the following relation: T c C ? T c A + 5 where TcA is the crystallization temperature of the butene-1 polymer A).
    Type: Application
    Filed: December 12, 2022
    Publication date: February 13, 2025
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Michele Grazzi, Roberta Marchini
  • Publication number: 20250043121
    Abstract: A propylene polymer composition made from or containing a) from 20 wt % to 44 wt % of a propylene 1-hexene copolymer, containing from 5.0 wt % to 8.3 wt % of 1-hexene derived units, b) from 25 wt % to 45 wt % of a propylene 1-hexene ethylene terpolymer, and c) from 25 wt % to 50 wt % of a propylene ethylene copolymer, wherein the Melt Flow Rate of components a)+b)+c) is from 3.5 to 12.0 g/10 min.
    Type: Application
    Filed: November 29, 2022
    Publication date: February 6, 2025
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Monica Galvan, Michele Grazzi, Marco Ciarafoni, Alessia Di Capua, Lelio Basile
  • Publication number: 20240309189
    Abstract: A filled polyolefin composition made from or containing 20-50 wt. % of an heterophasic polypropylene (a), 10-25 wt. % of a propylene polymer (b) having a MFR (ISO1133 230° C./2.16 Kg) higher than 800 g/10 min., 5-35 wt. % of a propylene polymer (c) having MFR (ISO1133 230° C./2.16 Kg) of 0.5-20 g/10 min. and a tensile modulus (ISO 527-1,-2) equal to or higher than 1000 MPa, 5-35 wt. % of glass fibers (d), and 0-5 wt. % of a compatibilizer (e).
    Type: Application
    Filed: June 27, 2022
    Publication date: September 19, 2024
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Rainer Köhler, Mikhail Dureev, Michele Grazzi
  • Publication number: 20240279450
    Abstract: A filled polyolefin composition made from or containing a blend of a 30-70 wt. % of a first heterophasic polypropylene (HECO1) and 70-30 wt. % of a second heterophasic polypropylene (HECO2), wherein the heterophasic copolymers differ in MFR and type of comonomers, in combination with glass fibers and optionally a compatibilizer.
    Type: Application
    Filed: June 3, 2022
    Publication date: August 22, 2024
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Rainer Köhler, Mikhail Dureev, Michele Grazzi
  • Patent number: 12012505
    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: Grant
    Filed: January 7, 2020
    Date of Patent: June 18, 2024
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Monica Galvan, Michele Grazzi, Marco Ciarafoni, Claudio Cavalieri
  • Patent number: 11981803
    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: Grant
    Filed: January 7, 2020
    Date of Patent: May 14, 2024
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Monica Galvan, Michele Grazzi, Marco Ciarafoni, Claudio Cavalieri
  • Publication number: 20240141153
    Abstract: A polymer composition made from or containing: A) from 70 wt % to 95 wt % of a propylene-based polymer composition made from or containing: a) from 15 wt % to 35 wt % of a copolymer of propylene and 1-hexene containing from 6.2 to 8.5% by weight, of 1-hexene derived units; b) from 15 wt % to 35 wt % of a copolymer of propylene and 1-hexene containing from 10.4 wt % to 14.5 wt %, of 1-hexene derived units; and c) from 38 wt % to 68 wt % of a propylene ethylene copolymer, wherein the sum of the amount of a), b), and c) being 100; 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; wherein the sum of the amounts of A) and B) being 100 wt %.
    Type: Application
    Filed: March 3, 2022
    Publication date: May 2, 2024
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Monica Galvan, Roberta Marchini, Michele Grazzi, Claudio Cavalieri
  • Publication number: 20240124693
    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 19 wt % to 50 wt % of a propylene ethylene copolymer; A2) from 50 wt % to 81 wt % of a propylene ethylene 1-butene terpolymer; wherein the sum of the amount of component A1) and A2) being 100 and the propylene polymer composition A) having a xylene soluble fraction at 25° C. between 2 wt % and 15 wt %; 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.
    Type: Application
    Filed: November 25, 2021
    Publication date: April 18, 2024
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Paola Massari, Andrea Felisati, Claudio Cavalieri, Monica Galvan, Michele Grazzi
  • 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