Patents by Inventor Roberto Pantaleoni

Roberto Pantaleoni 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).

  • Patent number: 10759933
    Abstract: A nucleated propylene polymer composition made from or containing: A) a propylene homopolymer; B) a copolymer of propylene with ethylene derived units; the nucleated composition having a fraction soluble in xylene at 25° C. between 9.0 and 21.0 wt %, an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 1.0 and 1.9 dl/g, a total melt flow rate between 1.5 and 5 g/10 min and the value of the relation (I): 22.5+0.2*MFR?1.2*Xs+0.2*IV??(I) is higher than 5.9; wherein MFR is the melt flow rate of the nucleated composition; IV is the intrinsic viscosity of the fraction soluble in xylene at 25° C.; and Xs is the fraction soluble in xylene at 25° C., the amount of A+B is equal to 100 wt %, and the nucleating agent is selected from the group consisting of aromatic or aliphatic carboxylic acids, aromatic metal phosphates, sorbitol derivatives and talc.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: September 1, 2020
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Paola Massari, Andrea Felisati, Marco Izzi, Claudio Cavalieri, Marco Ciarafoni, Silvia Guerra, Roberto Pantaleoni, Federica Malizia
  • Publication number: 20200231723
    Abstract: A propylene 1-hexene copolymer containing from 5.7 to 7.7% by weight of 1-hexene derived units, based upon the total weight of the propylene 1-hexene copolymer, having: a) a solubility in xylene at 25° C. ranging from 7.0 wt % to 15.0 wt %, based upon the total weight of the propylene 1-hexene copolymer; b) a melting temperature, measured by DSC ranging from 143.0° C. to 148.0° C.; c) a Melt Flow Rate (MFR, measured according to ASTM D 1238, 230° C./2.16 kg) from 3.5 to 8.0 g/10 min.; and d) a content of 1-hexene derived units in the fraction soluble in xylene at 25° C. ranging from 13.5 wt % to 18.5 wt %, based upon the total weight of the soluble fraction.
    Type: Application
    Filed: July 3, 2018
    Publication date: July 23, 2020
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: PAOLA MASSARI, CAROLINE CATHELIN, CLAUDIO CAVALIERI, MARCO CIARAFONI, ROBERTO PANTALEONI, GIAMPIERO MORINI, GIANNI VITALE, FABRIZIO PIEMONTESI, GIANNI COLLINA, BENEDETTA GADDI
  • 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: 20200216588
    Abstract: A process for the polymerization of olefins in gas phase carried out in a reactor having two interconnected polymerization zones, a first zone (riser) and a second zone (downcomer), wherein growing polymer particles: a) flow through the riser under fast fluidization conditions established by feeding a mixture of gas and liquid; b) leave the riser and enter the downcomer, through which the growing polymer particles flow downward in a densified form; and c) leave the downcomer and are reintroduced into the riser, thereby establishing a circulation of polymer between the riser and the downcomer; the reactor is operated at a temperature between 0° C. and 5° C. above the dew point of the riser gas at the operating pressure, and in the riser, besides the growing polymer particles and gas flow, an amount of liquid is present.
    Type: Application
    Filed: September 13, 2018
    Publication date: July 9, 2020
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: ANTONIO MAZZUCCO, ENRICO BALESTRA, ROBERTO PANTALEONI, DAVIDE TARTARI, RICCARDO RINALDI
  • Patent number: 10604645
    Abstract: A process for the preparation of polyolefins carried out in the presence of an antistatic composition made from or containing: a) a compound of formula R—OH wherein R represents hydrogen or a linear or branched, saturated alkyl group having from 1 to 15 carbon atoms; and b) an oligomeric or polymeric organic compound having one or more terminal hydroxyl groups and a viscosity at 40° C. of at least about 20 mm2/sec (DIN 51562).
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: March 31, 2020
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Antonio Mazzucco, Gabriele Mei, Tiziana Caputo, Roberto Pantaleoni, Enrico Balestra, Maria Di Diego, Mara Destro, Riccardo Rinaldi
  • Publication number: 20200087499
    Abstract: A propylene polymer composition made from or containing: a) from 35 wt % to 65 wt %, based upon the total weight of the propylene polymer composition, of a propylene 1-hexene copolymer containing from 10.2 to 13.0% by weight, based upon the weight of the propylene 1-hexene copolymer, of 1-hexene derived units and having a Melt Flow Rate (MFR, measured according to ASTM D 1238, 230° C./2.16 kg, (at 230° C., with a load of 2.16 kg)) from 3.5 to 12.0 g/10 min; b) from 35 wt % to 65 wt %, based upon the total weight of the propylene polymer composition, of a propylene ethylene copolymer containing from 1.5 wt % to 6.5 wt %, based upon the weight of the propylene ethylene copolymer, of ethylene derived units and having a Melt Flow Rate (MFR, measured according to ASTM D 1238, 230° C./2.16 kg, (at 230° C., with a load of 2.16 kg)) from 3.5 to 12.0 g/10 min.
    Type: Application
    Filed: April 12, 2018
    Publication date: March 19, 2020
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: PAOLA MASSARI, CLAUDIO CAVALIERI, MARCO CIARAFONI, ROBERTO PANTALEONI
  • Patent number: 10577492
    Abstract: A polyolefin composition made from or containing: A) from 19 wt % to 50 wt % of a propylene ethylene copolymer having an ethylene derived units content ranging from 1.5 wt % to 6.0 wt; B) from 50 wt % to 81 wt % of a propylene ethylene 1-butene terpolymer having an ethylene derived units content ranging from 1.5 wt % and 6.0 wt % and 1-butene derived units content of between 4.8 wt % and 12.4 wt %; wherein the ratio C2 wt %/C4 wt % is between 0.22 and 3.0, where C2 wt % is the weight percent of ethylene derived units and C4 wt % is the weight percent of 1-butene derived units; the content of xylene soluble fraction at 25° C. is between 2 and 15 wt %; molecular weight distribution (MWD), expressed in terms of Mw/Mn, greater than 4.0; recoverable compliance at 200° C. having a maximum value between 800 and 1200 seconds, lower than 65×10?5 Pa?1.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: March 3, 2020
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Andrea Felisati, Angelo Ferraro, Paola Massari, Marco Ciarafoni, Claudio Cavalieri, Roberto Pantaleoni
  • Patent number: 10494517
    Abstract: A film made from or containing a polypropylene composition made from or containing: A) from 50 wt % to 90 wt %; of a propylene homopolymer; and B) from 10 wt % to 50 wt %; of a copolymer of propylene with from 30.0 wt % to 70.0 wt %, of ethylene derived units, based upon the weight of the copolymer; wherein 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 50 g/10 min; and iii) a xylene soluble fraction ranging from 20 wt % to 50 wt %, based upon the weight of the polypropylene composition; and the polypropylene composition being obtained by a polymerization process wherein the catalyst system contains bismuth.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: December 3, 2019
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Caroline Cathelin, Paola Massari, Claudio Cavalieri, Marco Ciarafoni, Roberto Pantaleoni
  • Patent number: 10494468
    Abstract: A propylene composition comprising: A) from 60 wt % to 75 wt %, of a propylene homopolymer having a Polydispersity Index (P.I.) value from 4.3 to 4.9, a fraction insoluble in xylene at 25° C., higher than 95%, based upon the weight of the propylene homopolymer, and MFR (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) ranging from 20 to 75 g/10 min; B) from 25 wt % to 40 wt %, of a copolymer of propylene with from 46.0 wt % to 49.0 wt %; of ethylene derived units, based upon the weight of the propylene copolymer; wherein the propylene polymer composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 2.2 to 2.9 dl/g; and the relation: 10.7+1.3×MFRa?17.7×P.I.?29.3×IV+4.9×Xs??(I) between about 40 to about 66; wherein the amount of A+B is equal to 100 wt %.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: December 3, 2019
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Paola Massari, Marco Ciarafoni, Nicoletta Martini, Davide Tartari, Roberto Pantaleoni
  • Publication number: 20190345317
    Abstract: A film made from or containing a polypropylene composition made from or containing: A) from 50 wt % to 90 wt %; of a propylene homopolymer; and B) from 10 wt % to 50 wt %; of a copolymer of propylene with from 30.0 wt % to 70.0 wt %, of ethylene derived units, based upon the weight of the copolymer; wherein 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 50 g/10 min; and iii) a xylene soluble fraction ranging from 20 wt % to 50 wt %, based upon the weight of the polypropylene composition; and the polypropylene composition being obtained by a polymerization process wherein the catalyst system contains bismuth.
    Type: Application
    Filed: November 27, 2017
    Publication date: November 14, 2019
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: CAROLINE CATHELIN, PAOLA MASSARI, CLAUDIO CAVALIERI, MARCO CIARAFONI, ROBERTO PANTALEONI
  • Publication number: 20190338065
    Abstract: The present disclosure provides a propylene composition made from or containing A) from 60 wt % to 75 wt %, of a propylene homopolymer having a Polydispersity Index (P.I.) value from 4.3 to 4.9, a fraction insoluble in xylene at 25° C., higher than 95%, based upon the weight of the propylene homopolymer, and MFR (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) ranging from 20 to 75 g/10 min; B) from 25 wt % to 40 wt %, of a copolymer of propylene with from 46.0 wt % to 49.0 wt %; of ethylene derived units, based upon the weight of the propylene copolymer; wherein the propylene polymer composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 2.2 to 2.9 dl/g; and the relation: 10.7+1.3×MFRa?17.7×P.I.?29.3×IV+4.9×Xs??(I) between about 40 to about 66; wherein MFRa is the melt flow rate of the component A); P.I. is the polydispersity index of component A); IV is the intrinsic viscosity of the fraction soluble in xylene at 25° C.
    Type: Application
    Filed: March 17, 2017
    Publication date: November 7, 2019
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: PAOLA MASSARI, MARCO CIARAFONI, NICOLETTA MARTINI, DAVIDE TARTARI, ROBERTO PANTALEONI
  • Publication number: 20190322850
    Abstract: A nucleated propylene polymer composition made from or containing: A) a propylene homopolymer; B) a copolymer of propylene with ethylene derived units; the nucleated composition having a fraction soluble in xylene at 25° C. between 9.0 and 21.0 wt %, an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 1.0 and 1.9 dl/g, a total melt flow rate between 1.5 and 5 g/10 min and the value of the relation (I): 22.5+0.2*MFR?1.2*Xs+0.2*IV??(I) is higher than 5.9; wherein MFR is the melt flow rate of the nucleated composition; IV is the intrinsic viscosity of the fraction soluble in xylene at 25° C.; and Xs is the fraction soluble in xylene at 25° C., the amount of A+B is equal to 100 wt %, and the nucleating agent is selected from the group consisting of aromatic or aliphatic carboxylic acids, aromatic metal phosphates, sorbitol derivatives and talc.
    Type: Application
    Filed: October 5, 2017
    Publication date: October 24, 2019
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: PAOLA MASSARI, ANDREA FELISATI, MARCO IZZI, CLAUDIO CAVALIERI, MARCO CIARAFONI, SILVIA GUERRA, ROBERTO PANTALEONI, FEDERICA MALIZIA
  • 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
  • Patent number: 10221261
    Abstract: A process for the preparation of high purity propylene polymers carried out in the presence of a catalyst comprising the product obtained by contacting: (a) a solid catalyst component comprising Mg, Ti and at least a first internal electron donor compound (1ID) selected among the succinates and a second internal electron donor compound (2ID) selected among the 1,3-diethers, wherein the molar ratio of first internal donor over second internal donor 1ID:2ID is comprised between 4:6 and 9:1, with (b) an organo-aluminum compound, and optionally with (c) an external electron donor compound, said process being carried out at a temperature equal or higher than 78° C. and by employing a molar ratio of organo-aluminum compound over solid catalyst component (b):(a) of lower than 5.
    Type: Grant
    Filed: September 17, 2012
    Date of Patent: March 5, 2019
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Monica Galvan, Roberto Pantaleoni, Ofelia Fusco, Benedetta Gaddi, Andreas Neumann, Antonio Mazzucco, Gianni Collina, Gabriella Sartori
  • 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: 20190023885
    Abstract: A process for the preparation of polyolefins carried out in the presence of an antistatic composition made from or containing: a) a compound of formula R—OH wherein R represents hydrogen or a linear or branched, saturated alkyl group having from 1 to 15 carbon atoms; and b) an oligomeric or polymeric organic compound having one or more terminal hydroxyl groups and a viscosity at 40° C. of at least about 20 mm2/sec (DIN 51562).
    Type: Application
    Filed: November 28, 2016
    Publication date: January 24, 2019
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: ANTONIO MAZZUCCO, GABRIELE MEI, TIZIANA CAPUTO, ROBERTO PANTALEONI, ENRICO BALESTRA, MARIA DI DIEGO, MARA DESTRO, RICCARDO RINALDI
  • Publication number: 20180362682
    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: Application
    Filed: November 22, 2016
    Publication date: December 20, 2018
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: CLAUDIO CAVALIERI, PAOLA MASSARI, MICHELE GRAZZI, GIAMPAOLO PELLEGATTI, ROBERTO PANTALEONI
  • Patent number: 10087317
    Abstract: Ethylene polymer composition having a fusion enthalpy ?Hfus, measured by Differential Scanning Calorimetry with a heating rate of 20° C. per minute, of 60 J/g or more, comprising, all percent amounts being by weight: A) 25-55% of an ethylene polymer containing 10% or less, referred to the weight of A), of a fraction XSA soluble in xylene at 25° C.; B) 45-75% of a copolymer of ethylene and propylene containing from 45% to 70%, of ethylene and 60% or more of a fraction XSB soluble in xylene at 25° C., both the ethylene of the copolymer and XSB amounts being referred to the weight of B); wherein the amounts of A) and B) are referred to the total weight of A)+B).
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: October 2, 2018
    Assignee: Basell Polyolefine GmbH
    Inventors: Claudio Cavalieri, Michele Grazzi, Roberto Pantaleoni
  • Patent number: 10087318
    Abstract: Ethylene polymer composition comprising, all percent amounts being by weight: A) 30-60% of an ethylene polymer containing 10% or less, referred to the weight of A), of a fraction XSA soluble in xylene at 25° C.; B) 40-70% of a copolymer of ethylene with at least one olefin of formula HC2?CHR, where R is a alkyl radical, linear or branched, having from 2 to 8 carbon atoms, containing 65-90% of ethylene and 55-15% of a fraction XSB soluble in xylene at 25° C., both the ethylene of the copolymer and XSB amounts being referred to the weight of B), the intrinsic viscosity [?] of the XSB fraction ranging from 0.8 to 3.2 dl/g; wherein the amounts of A) and B) are referred to the total weight of A)+B).
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: October 2, 2018
    Assignee: Basell Polyolefine GmbH
    Inventors: Claudio Cavalieri, Michele Grazzi, Roberto Pantaleoni