Patents by Inventor Maria Di Diego

Maria Di Diego 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: 11034781
    Abstract: A catalyst component made from or containing Ti, Mg, chlorine, an amount of a first internal donor selected from esters of aliphatic monocarboxylic acids (EAA), and an amount of a second internal donor selected from cyclic ethers (CE), wherein the EAA/CE molar ratio ranges from 0.02 to less than 20.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: June 15, 2021
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Gianni Collina, Maria Di Diego, Benedetta Gaddi, Piero Gessi, Lorella Marturano, Giampiero Morini
  • 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
  • Patent number: 10556972
    Abstract: A gas-phase process for the homopolymerization or copolymerization of olefins carried out in the presence of a catalyst system formed by a contacting, in a liquid hydrocarbon and in the presence of hydrogen, (a) a solid catalyst component comprising Ti, Mg, and Cl, and optionally an internal electron donor compound, (b) an aluminum alkyl compound and optionally (c) an external donor compound.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: February 11, 2020
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Pietro Baita, Massimo Covezzi, Maria Di Diego, Lorella Marturano, Antonio Mazzucco, Gabriele Mei, Roberta Pica
  • Patent number: 10435490
    Abstract: A Prepolymerized catalyst component for the polymerization of olefins comprising a solid catalyst component which comprises Mg, Ti, and chlorine atoms and an electron donor (ID) said prepolymerized catalyst component being characterized by the fact that: the electron donor (ID) is constituted by at least 80% mol of 1,3 diethers with respect to the total molar amount of electron donor compounds; the prepolymerized catalyst has a porosity due to pores with diameters up to 1 ?m of less than 0.2 cm3/g; it contains an amount of ethylene prepolymer of less than 45% with respect to the total weight of prepolymerized catalyst.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: October 8, 2019
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Giuseppina Maria Algozzini, Diego Brita, Massimo Cenci, Gianni Collina, Tiziano Dall'occo, Maria Di Diego, Benedetta Gaddi, Ofelia Fusco, Giampiero Morini, Lorella Pedriali
  • Publication number: 20190292281
    Abstract: A catalyst component made from or containing Ti, Mg, chlorine, an amount of a first internal donor selected from esters of aliphatic monocarboxylic acids (EAA), and an amount of a second internal donor selected from cyclic ethers (CE), wherein the EAA/CE molar ratio ranges from 0.02 to less than 20.
    Type: Application
    Filed: December 12, 2017
    Publication date: September 26, 2019
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: GIANNI COLLINA, MARIA DI DIEGO, BENEDETTA GADDI, PIERO GESSI, LORELLA MARTURANO, GIAMPIERO MORINI
  • Publication number: 20190276566
    Abstract: A gas-phase process for the homopolymerization or copolymerization of olefins carried out in the presence of a catalyst system formed by a contacting, in a liquid hydrocarbon and in the presence of hydrogen, (a) a solid catalyst component comprising Ti, Mg, and Cl, and optionally an internal electron donor compound, (b) an aluminum alkyl compound and optionally (c) an external donor compound.
    Type: Application
    Filed: November 2, 2017
    Publication date: September 12, 2019
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: PIETRO BAITA, MASSIMO COVEZZI, MARIA DI DIEGO, LORELLA MARTURANO, ANTONIO MAZZUCCO, GABRIELE MEI, ROBERTA PICA
  • Patent number: 10308731
    Abstract: A method for feeding an antistatic compound to a polymerization reactor comprising the steps of: a) dispersing, under mixing conditions, a catalyst powder and an antistatic compound in an oil, so as to form a suspension of catalyst powder and antistatic compound in said oil; b) successively adding, under mixing conditions, a molten thickening agent to said suspension from step a), while maintaining said suspension at a temperature such that said thickening agent solidifies on contact with said suspension; c) transferring the product obtained from b) to a polymerization reactor.
    Type: Grant
    Filed: September 26, 2011
    Date of Patent: June 4, 2019
    Assignee: Basell Polyolefine GmbH
    Inventors: Pietro Baita, Paolo Ferrari, Ines Mingozzi, Lorella Pedriali, Maria Di Diego, Roberta Pica
  • 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
  • Patent number: 10155888
    Abstract: The present technology relates to a method of introducing a supported antistatic compound that does not comprise a transition-metal-based catalyst component for use in an olefin polymerization reactor. In some embodiments, the methods disclosed herein avoid the formation of polymer agglomerates in the reactor and minimize potentially negative effects on catalyst yield.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: December 18, 2018
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Massimo Covezzi, Gabriele Mei, Maria Di Diego, Piero Gessi, Pietro Baita, Roberta Pica
  • Patent number: 10077322
    Abstract: The present disclosure provides a gas-phase polymerization process for preparing polyethylene, wherein halogenated alcohols in combination with a Ti based catalyst component and aluminum alkyls as co-catalyst suppress ethane formation or increase polymerization activity.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: September 18, 2018
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Pietro Baita, Tiziano Dall'Occo, Maria Di Diego, Dario Liguori, Lorella Marturano, Andreas Maus, Gabriele Mei, Gerhardus Meier, Giampiero Morini, Roberta Pica, Ulf Schueller
  • Publication number: 20180230253
    Abstract: A Prepolymerized catalyst component for the polymerization of olefins comprising a solid catalyst component which comprises Mg, Ti, and chlorine atoms and an electron donor (ID) said prepolymerized catalyst component being characterized by the fact that: the electron donor (ID) is constituted by at least 80% mol of 1,3 diethers with respect to the total molar amount of electron donor compounds; the prepolymerized catalyst has a porosity due to pores with diameters up to 1 ?m of less than 0.2 cm3/g; it contains an amount of ethylene prepolymer of less than 45% with respect to the total weight of prepolymerized catalyst.
    Type: Application
    Filed: July 14, 2016
    Publication date: August 16, 2018
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: GIUSEPPINA MARIA ALGOZZINI, DIEGO BRITA, MASSIMO CENCI, GIANNI COLLINA, TIZIANO DALL'OCCO, MARIA DI DIEGO, BENEDETTA GADDI, OFELIA FUSCO, GIAMPIERO MORINI, LORELLA PEDRIALI
  • Patent number: 10011666
    Abstract: The present disclosure provides a catalyst system made from or containing: (A) a solid catalyst component made from or containing (i) a titanium compound supported on a magnesium dichloride; (B) an aluminum alkyl compound; and (C) a halogenated organic ester of formula A-COOR, wherein R is a C1-C10 hydrocarbon group and A is a C1-C15 saturated or unsaturated hydrocarbon group in which at least one of the hydrogen atoms is replaced by a chlorine atom. The present disclosure also provides a process for preparing an olefinic polymer, including a polymerization step of polymerizing an olefin in the presence of the catalyst system. The present disclosure also provides an olefinic polymer made therefrom.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: July 3, 2018
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Pietro Baita, Tiziano Dall'Occo, Maria Di Diego, Dario Liguori, Lorella Marturano, Gabriele Mei, Giampiero Morini, Roberta Pica
  • Patent number: 9932465
    Abstract: A process for preparing a polyolefin, including polymerizing olefins in the presence of an antistatic agent made from or containing an alkylene oxide derived polymer made from or containing in average from about 10 to about 200 repeating units —(CH2—CHR—O)— with R being hydrogen or an alkyl group having from 1 to 6 carbon atoms, wherein the alkylene oxide derived polymer is a random copolymer of ethylene oxide and other alkylene oxides and a ratio of n:m is in the range of from 6:1 to 1:1, wherein (n) is the average number of repeating units —(CH2—CH2—O)— derived from ethylene oxide and (m) is the average number of repeating units —(CH2—CHR?—O)— derived from the other alkylene oxides with R? being an alkyl group having from 1 to 6 carbon atoms, and the end groups of the alkylene oxide derived polymer are —OH groups.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: April 3, 2018
    Assignee: Basell Polyolefine GmbH
    Inventors: Gerd Mannebach, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Shahram Mihan, Andreas Maus, Pietro Baita, Maria Di Diego, Lorella Marturano
  • Publication number: 20180072876
    Abstract: A process for preparing a polyolefin, including polymerizing olefins in the presence of an antistatic agent made from or containing an alkylene oxide derived polymer made from or containing in average from about 10 to about 200 repeating units —(CH2—CHR—O)— with R being hydrogen or an alkyl group having from 1 to 6 carbon atoms, wherein the alkylene oxide derived polymer is a random copolymer of ethylene oxide and other alkylene oxides and a ratio of n:m is in the range of from 6:1 to 1:1, wherein (n) is the average number of repeating units —(CH2—CH2—O)— derived from ethylene oxide and (m) is the average number of repeating units —(CH2—CHR?—O)— derived from the other alkylene oxides with R? being an alkyl group having from 1 to 6 carbon atoms, and the end groups of the alkylene oxide derived polymer are —OH groups.
    Type: Application
    Filed: March 23, 2016
    Publication date: March 15, 2018
    Applicant: Basell Polyolefine GmbH
    Inventors: Gerd Mannebach, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Shahram Mihan, Andreas Maus, Pietro Baita, Maria Di Diego, Lorella Marturano
  • Publication number: 20170327603
    Abstract: The present disclosure provides a gas-phase polymerization process for preparing polyethylene, wherein halogenated alcohols in combination with a Ti based catalyst component and aluminum alkyls as co-catalyst suppress ethane formation or increase polymerization activity.
    Type: Application
    Filed: December 1, 2015
    Publication date: November 16, 2017
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: PIETRO BAITA, TIZIANO DALL'OCCO, MARIA DI DIEGO, DARIO LIGUORI, LORELLA MARTURANO, ANDREAS MAUS, GABRIELE MEI, GERHARDUS MEIER, GIAMPIERO MORINI, ROBERTA PICA, ULF SCHUELLER
  • Publication number: 20170218100
    Abstract: The present disclosure provides a catalyst system made from or containing: (A) a solid catalyst component made from or containing (i) a titanium compound supported on a magnesium dichloride; (B) an aluminum alkyl compound; and (C) a halogenated organic ester of formula A-COOR, wherein R is a C1-C10 hydrocarbon group and A is a C1-C15 saturated or unsaturated hydrocarbon group in which at least one of the hydrogen atoms is replaced by a chlorine atom. The present disclosure also provides a process for preparing an olefinic polymer, including a polymerization step of polymerizing an olefin in the presence of the catalyst system. The present disclosure also provides an olefinic polymer made therefrom.
    Type: Application
    Filed: September 22, 2015
    Publication date: August 3, 2017
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: PEITRO BAITA, TIZIANO DALL'OCCO, MARIA DI DIEGO, DARIO LIGUORI, LORELLA MARTURANO, GABRIELE MEI, GIAMPIERO MORINI, ROBERTA PICA
  • Publication number: 20170114254
    Abstract: The present technology relates to a method of introducing a supported antistatic compound that does not comprise a transition-metal-based catalyst component for use in an olefin polymerization reactor. In some embodiments, the methods disclosed herein avoid the formation of polymer agglomerates in the reactor and minimize potentially negative effects on catalyst yield.
    Type: Application
    Filed: January 6, 2017
    Publication date: April 27, 2017
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: MASSIMO COVEZZI, GABRIELE MEI, MARIA DI DIEGO, PIERO GESSI, PIETRO BAITA, ROBERTA PICA
  • Patent number: 9574026
    Abstract: The present technology relates to a method of introducing a supported antistatic compound that does not comprise a transition-metal-based catalyst component for use in an olefin polymerization reactor. In some embodiments, the methods disclosed herein avoid the formation of polymer agglomerates in the reactor and minimize potentially negative effects on catalyst yield.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: February 21, 2017
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Massimo Covezzi, Gabriele Mei, Maria Di Diego, Piero Gessi, Pietro Baita, Roberta Pica
  • Publication number: 20170002108
    Abstract: The present disclosure relates to a process for preparing a MgCl2-alcohol adduct which comprises (a) forming a mixture of an MgCl2-alcohol adduct in molten form and a liquid which is immiscible with the adduct, (b) subjecting the mixture to a shear stress to obtain an emulsion, and (c) rapidly cooling the emulsion to solidify the disperse phase and collecting the solid adduct particles, the process being characterized by the fact that step (b) is carried out in a device comprising a first outer and second inner cylindrical members that define an annulus between them, wherein at least one of the cylindrical members rotate with respect to the other.
    Type: Application
    Filed: December 15, 2014
    Publication date: January 5, 2017
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: Giuseppina Maria ALGOZZINI, Nicolo ARICH DE FINETTI, Maria DI DIEGO, Anna FAIT, Luca RANZANI
  • Publication number: 20160208026
    Abstract: The present technology relates to a method of introducing a supported antistatic compound that does not comprise a transition-metal-based catalyst component for use in an olefin polymerization reactor. In some embodiments, the methods disclosed herein avoid the formation of polymer agglomerates in the reactor and minimize potentially negative effects on catalyst yield.
    Type: Application
    Filed: August 5, 2014
    Publication date: July 21, 2016
    Applicant: BASELL POLYOLEFINE ITALIA S.R.L.
    Inventors: MASSIMO COVEZZI, GABRIELE MEI, MARIA DI DIEGO, PIERO GESSI, PIETRO BAITA, ROBERTA PICA