Patents by Inventor Lorella Marturano
Lorella Marturano 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: 20230364574Abstract: An apparatus for polymerizing olefins including a polymerization reactor and a vessel system for pre-activating a solid catalyst component, wherein the vessel system is arranged upstream of the polymerization reactor. The vessel system includes a contacting vessel which includes a main portion, a base portion, a head portion, an inlet, an outlet, and a stirrer positioned within the contacting vessel, wherein the ratio (H/D) of the height (H) of the main portion to the diameter (D) of the main portion is 1.8 or greater. The stirrer is located at a position between the inlet and the outlet.Type: ApplicationFiled: September 21, 2021Publication date: November 16, 2023Applicant: Basell Polyolefine GmbHInventors: Tiziana Caputo, Pietro Baita, Maria Di Diego, Lorella Marturano, Antonio Mazzucco, Gabriele Mei, Giulia Mei, Roberta Pica
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Patent number: 11034781Abstract: 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: GrantFiled: December 12, 2017Date of Patent: June 15, 2021Assignee: Basell Poliolefine Italia S.r.l.Inventors: Gianni Collina, Maria Di Diego, Benedetta Gaddi, Piero Gessi, Lorella Marturano, Giampiero Morini
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Patent number: 10968291Abstract: A process for preparing an ethylene polymer including the step of homopolymerizing ethylene or copolymerizing ethylene with one or more comonomers in a gas-phase polymerization reactor including a riser unit wherein growing polymer particles flow upwards under fluidization, fast fluidization or transport conditions and a downcomer wherein growing polymer particles flow downward in a densified form, wherein the hold-up of polymer particles in the downcomer is from 55 wt. % to 80 wt. % of the total hold-up of polymer particles in the gas-phase polymerization reactor.Type: GrantFiled: November 9, 2017Date of Patent: April 6, 2021Assignee: Basell Polyolefine GmbHInventors: Gerhardus Meier, Ulf Schueller, Gabriele Mei, Massimo Covezzi, Pietro Baita, Lorella Marturano
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Patent number: 10556972Abstract: 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: GrantFiled: November 2, 2017Date of Patent: February 11, 2020Assignee: Basell Poliolefine Italia S.r.l.Inventors: Pietro Baita, Massimo Covezzi, Maria Di Diego, Lorella Marturano, Antonio Mazzucco, Gabriele Mei, Roberta Pica
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Patent number: 10471407Abstract: A process for starting a multizone circulating reactor containing no polyolefin particles, comprising the steps of conveying gas through the reactor and the gas recycle line, feeding a particulate material comprising a polymerization catalyst and optionally polyolefin into the reactor, controlling the gas flow in a vertical reactor zone equipped with a throttling valve at the bottom so that the upwards gas velocity in the bottom part of this reaction zone is lower than the terminal free-fall velocity of the particulate material fed into the reactor, and, after the weight of the particulate polyolefin in this reactor zone is higher than the drag force of the upward moving gas, controlling the circulation rate of the polymer particles within the multizone circulating reactor by adjusting the opening of the throttling valve and adjusting the flow rate of a dosing gas.Type: GrantFiled: December 22, 2017Date of Patent: November 12, 2019Assignee: Basell Polyolefine GmbHInventors: Gabriele Mei, Massimo Covezzi, Gerhardus Meier, Antonio Mazzucco, Pietro Baita, Ulf Schueller, Lorella Marturano, Enrico Balestra
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Publication number: 20190322775Abstract: A process for preparing an ethylene polymer including the step of homopolymerizing ethylene or copolymerizing ethylene with one or more comonomers in a gas-phase polymerization reactor including a riser unit wherein growing polymer particles flow upwards under fluidization, fast fluidization or transport conditions and a downcomer wherein growing polymer particles flow downward in a densified form, wherein the hold-up of polymer particles in the downcomer is from 55 wt. % to 80 wt. % of the total hold-up of polymer particles in the gas-phase polymerization reactor.Type: ApplicationFiled: November 9, 2017Publication date: October 24, 2019Applicant: Basell Polyolefine GmbHInventors: Gerhardus Meier, Ulf Schueller, Gabriele Mei, Massimo Covezzi, Pietro Baita, Lorella Marturano
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Publication number: 20190292281Abstract: 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: ApplicationFiled: December 12, 2017Publication date: September 26, 2019Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: GIANNI COLLINA, MARIA DI DIEGO, BENEDETTA GADDI, PIERO GESSI, LORELLA MARTURANO, GIAMPIERO MORINI
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Publication number: 20190276566Abstract: 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: ApplicationFiled: November 2, 2017Publication date: September 12, 2019Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: PIETRO BAITA, MASSIMO COVEZZI, MARIA DI DIEGO, LORELLA MARTURANO, ANTONIO MAZZUCCO, GABRIELE MEI, ROBERTA PICA
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Patent number: 10077322Abstract: 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: GrantFiled: December 1, 2015Date of Patent: September 18, 2018Assignee: 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
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Patent number: 10011666Abstract: 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: GrantFiled: September 22, 2015Date of Patent: July 3, 2018Assignee: 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
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Publication number: 20180178180Abstract: A process for starting a multizone circulating reactor containing no polyolefin particles, comprising the steps of conveying gas through the reactor and the gas recycle line, feeding a particulate material comprising a polymerization catalyst and optionally polyolefin into the reactor, controlling the gas flow in a vertical reactor zone equipped with a throttling valve at the bottom so that the upwards gas velocity in the bottom part of this reaction zone is lower than the terminal free-fall velocity of the particulate material fed into the reactor, and, after the weight of the particulate polyolefin in this reactor zone is higher than the drag force of the upward moving gas, controlling the circulation rate of the polymer particles within the multizone circulating reactor by adjusting the opening of the throttling valve and adjusting the flow rate of a dosing gas.Type: ApplicationFiled: December 22, 2017Publication date: June 28, 2018Applicant: Basell Polyolefine GmbHInventors: Gabriele Mei, Massimo Covezzi, Gerhardus Meier, Antonio Mazzucco, Pietro Baita, Ulf Schueller, Lorella Marturano, Enrico Balestra
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Patent number: 9938359Abstract: A process for the preparation of ethylene polymers comprising polymerizing ethylene, optionally with one or more ?-olefin comonomers, in the presence of: (i) a solid catalyst component comprising titanium, magnesium, halogen and optionally an internal electron-donor compound, (ii) an aluminum alkyl compound, and (iii) an antistatic compound selected among the hydroxyesters with at least two free hydroxyl groups, wherein the weight ratio of aluminum alkyl compound to solid catalyst component is higher than 0.80 and the weight ratio of antistatic compound to aluminum alkyl compound is higher than 0.10.Type: GrantFiled: December 18, 2013Date of Patent: April 10, 2018Assignee: Basell Poliolefine Italia S.r.l.Inventors: Massimo Covezzi, Gabriele Mei, Pietro Baita, Lorella Marturano
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Patent number: 9932465Abstract: 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: GrantFiled: March 23, 2016Date of Patent: April 3, 2018Assignee: Basell Polyolefine GmbHInventors: Gerd Mannebach, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Shahram Mihan, Andreas Maus, Pietro Baita, Maria Di Diego, Lorella Marturano
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Publication number: 20180072876Abstract: 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: ApplicationFiled: March 23, 2016Publication date: March 15, 2018Applicant: Basell Polyolefine GmbHInventors: Gerd Mannebach, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Shahram Mihan, Andreas Maus, Pietro Baita, Maria Di Diego, Lorella Marturano
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Patent number: 9873754Abstract: A process for the gas-phase polymerization of ethylene or a mixture of ethylene and one or more 1 olefins in the presence of a polymerization catalyst system comprising the steps a) feeding a solid catalyst component, which was obtained by contacting at least a magnesium compound and a titanium compound, to a continuously operated apparatus and contacting the solid catalyst component with an aluminum alkyl compound at a temperature of from 0° C. to 70° C. in a way that the mean residence time of the solid catalyst component in contact with the aluminum alkyl compound is from 5 to 300 minutes; b) transferring the catalyst component formed in step a) into another continuously operated apparatus and prepolymerizing it with ethylene or a mixture of ethylene and one or more 1 olefins in suspension at a temperature of from 10° C. to 80° forming polymer in an amount of from 0.Type: GrantFiled: May 13, 2014Date of Patent: January 23, 2018Assignee: Basell Polyolefine GmbHInventors: Gabriele Mei, Pietro Baita, Lorella Marturano, Antonio Mazzucco, Roberta Pica, Gerhardus Meier, Ulf Schueller
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Publication number: 20170327603Abstract: 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: ApplicationFiled: December 1, 2015Publication date: November 16, 2017Applicant: 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
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Publication number: 20170218100Abstract: 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: ApplicationFiled: September 22, 2015Publication date: August 3, 2017Applicant: 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
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Publication number: 20160108148Abstract: A process for the gas-phase polymerization of ethylene or a mixture of ethylene and one or more 1 olefins in the presence of a polymerization catalyst system comprising the steps a) feeding a solid catalyst component, which was obtained by contacting at least a magnesium compound and a titanium compound, to a continuously operated apparatus and contacting the solid catalyst component with an aluminum alkyl compound at a temperature of from 0° C. to 70° C. in a way that the mean residence time of the solid catalyst component in contact with the aluminum alkyl compound is from 5 to 300 minutes; b) transferring the catalyst component formed in step a) into another continuously operated apparatus and prepolymerizing it with ethylene or a mixture of ethylene and one or more 1 olefins in suspension at a temperature of from 10° C. to 80° forming polymer in an amount of from 0.Type: ApplicationFiled: May 13, 2014Publication date: April 21, 2016Applicant: Basell Polyolefine GmbHInventors: Gabriele Mei, Pietro Baita, Lorella Marturano, Antonio Mazzucco, Roberta Pica, Gerhardus Meier, Ulf Schueller
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Publication number: 20150376303Abstract: A process for the preparation of ethylene polymers comprising polymerizing ethylene, optionally with one or more ?-olefin comonomers, in the presence of: (i) a solid catalyst component comprising titanium, magnesium, halogen and optionally an internal electron-donor compound, (ii) an aluminum alkyl compound, and (iii) an antistatic compound selected among the hydroxyesters with at least two free hydroxyl groups, wherein the weight ratio of aluminum alkyl compound to solid catalyst component is higher than 0.80 and the weight ratio of antistatic compound to aluminum alkyl compound is higher than 0.10.Type: ApplicationFiled: December 18, 2013Publication date: December 31, 2015Applicant: Basell Poliolefine Italia S.r.l.Inventors: Massimo Covezzi, Gabriele Mei, Pietro Baita, Lorella Marturano
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Patent number: 9127095Abstract: Catalyst component comprising Mg, Ti, and halogen atoms, and is characterized in that (a) the Ti atoms are present in an amount higher than 4% based on the total weight of the said catalyst component, (b) the amount of Mg and Ti atoms is such that the Mg/Ti molar ratio is higher than 2 and (c) by a X-ray diffraction spectrum, in which, in the range of 2? diffraction angles between 47° and 52°, at least two diffraction lines are present at diffraction angles 2? of 48.3±0.2°, and 50.0±0.2°, the most intense diffraction lines being the one at 2? of 50.0±0.2°, the intensity of the other diffraction line being equal to or lower than the intensity of the most intense diffraction line.Type: GrantFiled: December 17, 2010Date of Patent: September 8, 2015Assignee: Basell Poliolefine Italia S.r.l.Inventors: Diego Brita, Gianni Collina, Daniele Evangelisti, Anna Fait, Benedetta Gaddi, Giampiero Morini, Pietro Baita, Lorella Marturano, Harry Mavridis