Patents by Inventor Tiziano Dall'Occo
Tiziano Dall'Occo 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: 20220298272Abstract: A solid catalyst component for the polymerization of olefins made from or containing a magnesium halide, a titanium compound having at least a Ti-halogen bond, a first electron donor compound selected from 1,3 diethers (DE), and a second electron donor compound selected from dicarbamates (DC), wherein the first and second electron donor compounds are present in a molar ratio DE:DC ranging from 4.5:1 to 20:1.Type: ApplicationFiled: August 27, 2020Publication date: September 22, 2022Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: FABRIZIO PIEMONTESI, ALESSANDRO MIGNOGNA, DARIO LIGUORI, GIAMPIERO MORINI, TIZIANO DALL'OCCO, GIANNI VITALE
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Patent number: 11021555Abstract: A catalyst component for the polymerization of olefins, comprising Ti, Mg, halogen, an electron donor (ID) selected from the group consisting of aliphatic cyclic ethers and alkyl esters of aliphatic monocarboxylic acids and a compound of a metal selected from the group consisting of Zn and Cu, wherein the catalyst component is devoid of Zn—C or Cu—C bonds and the Mg/Ti molar ratio ranges from 4.0 to 50.0.Type: GrantFiled: July 7, 2017Date of Patent: June 1, 2021Assignee: Basell Poliolefine Italia S.r.l.Inventors: Tiziano Dall'Occo, Simona Guidotti, Dario Liguori, Giampiero Morini
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Patent number: 10759882Abstract: A process for the preparation of a solid catalyst component for the homo or copolymerization of olefins, wherein the solid catalyst component is made from or contains Mg, Ti, halogen and an electron donor selected from cycloalkyl ethers, wherein the process includes the steps of (a) dissolving a Mg based compound and a TiCl3 based compound in a liquid medium further made from or containing a cycloalkyl ether and a compound of formula R2OH where R2 is a C1-C20 hydrocarbon group, in which the Ti/Mg molar ratio ranges from 0.1 to 0.5, the cycloalkyl ether/Mg ratio ranges from 1 to 4 and the ROH/Mg molar ratio ranges from 1 to 4; and (b) adding, to the solution coming from step (a), SiCl4 in an amount such that the R2OH/SiCl4 molar ratio ranges from 0.5 to 1.5 and maintaining the temperature in the range 50-150° C. thereby precipitating the solid catalyst component particles.Type: GrantFiled: September 25, 2017Date of Patent: September 1, 2020Assignee: Basell Poliolefine Italia S.r.l.Inventors: Simona Guidotti, Tiziano Dall'Occo, Dario Liguori, Giampiero Morini
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Patent number: 10730974Abstract: A gas-phase process for the homopolymerization or copolymerization of propylene with other olefins, including carrying out the polymerization in the presence of a catalyst system made from or containing: (a) a solid catalyst component made from or containing Mg, Ti, halogen, an electron donor selected from 1.3-diethers and an olefin polymer in a specific amount; (b) an aluminum alkyl compound and (c) an external electron donor (ED) compound, wherein components (b) and (c) being employed in amounts such that the Al/(ED) molar ratio ranges from about 2 to about 200.Type: GrantFiled: August 3, 2016Date of Patent: August 4, 2020Assignee: Basell Poliolefine Italia S.r.l.Inventors: Giampiero Morini, Massimo Covezzi, Tiziano Dall'occo, Dario Liguori, Fabrizio Piemontesi, Gianni Vitale
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Patent number: 10584192Abstract: The present disclosure provides a solid catalyst component obtainable by a process including: (a) a first step in which Ti(OEt)4, is reacted with a Mg based compound of formula MgCln(ORI)2-n, where n is from about 0.5 to about 1.5, RI is a C1-C10 alkyl groups, the Ti(OEt)4 and the Mg compound are used in amounts such that the Ti/Mg molar ratio is of about 0.2 to about 0.4, the reaction temperature is about 110 to about 130° C., and the reaction time is about 2 to about 5 hours; and (b) a subsequent step in which the product obtained in step (a) is reacted with a Ti compound of the formula Ti(ORI)4-yCly, where y is a number between 3 and 4.Type: GrantFiled: April 24, 2017Date of Patent: March 10, 2020Assignee: Basell Poliolefine Italia S.r.l.Inventors: Simona Guidotti, Tiziano Dall'Occo, Dario Liguori, Giampiero Morini
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Publication number: 20190338055Abstract: The present disclosure provides a solid catalyst component obtainable by a process including: (a) a first step in which Ti(OEt)4, is reacted with a Mg based compound of formula MgCln(ORI)2-n, where n is from about 0.5 to about 1.5, RI is a C1-C10 alkyl groups, the Ti(OEt)4 and the Mg compound are used in amounts such that the Ti/Mg molar ratio is of about 0.2 to about 0.4, the reaction temperature is about 110 to about 130° C., and the reaction time is about 2 to about 5 hours; and (b) a subsequent step in which the product obtained in step (a) is reacted with a Ti compound of the formula Ti(ORI)4-yCly, where y is a number between 3 and 4.Type: ApplicationFiled: April 24, 2017Publication date: November 7, 2019Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: SIMONA GUIDOTTI, TIZIANO DALL'OCCO, DARIO LIGUORI, GIAMPIERO MORINI
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Patent number: 10435490Abstract: 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: GrantFiled: July 14, 2016Date of Patent: October 8, 2019Assignee: 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
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Publication number: 20190284316Abstract: A catalyst component for the polymerization of olefins, comprising Ti, Mg, halogen, an electron donor (ID) selected from the group consisting of aliphatic cyclic ethers and alkyl esters of aliphatic monocarboxylic acids and a compound of a metal selected from the group consisting of Zn and Cu, wherein the catalyst component is devoid of Zn—C or Cu—C bonds and the Mg/Ti molar ratio ranges from 4.0 to 50.0.Type: ApplicationFiled: July 7, 2017Publication date: September 19, 2019Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: TIZIANO DALL'OCCO, SIMONA GUIDOTTI, DARIO LIGUORI, GIAMPIERO MORINI
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Publication number: 20190248930Abstract: A process for the preparation of a solid catalyst component for the homo or copolymerization of olefins, wherein the solid catalyst component is made from or contains Mg, Ti, halogen and an electron donor selected from cycloalkyl ethers, wherein the process includes the steps of (a) dissolving a Mg based compound and a TiCl3 based compound in a liquid medium further made from or containing a cycloalkyl ether and a compound of formula R2OH where R2 is a C1-C20 hydrocarbon group, in which the Ti/Mg molar ratio ranges from 0.1 to 0.5, the cycloalkyl ether/Mg ratio ranges from 1 to 4 and the ROH/Mg molar ratio ranges from 1 to 4; and (b) adding, to the solution coming from step (a), SiCl4 in an amount such that the R2OH/SiCl4 molar ratio ranges from 0.5 to 1.5 and maintaining the temperature in the range 50-150° C. thereby precipitating the solid catalyst component particles.Type: ApplicationFiled: September 25, 2017Publication date: August 15, 2019Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: SIMONA GUIDOTTI, TIZIANO DALL'OCCO, DARIO LIGUORI, GIAMPIERO MORINI
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Patent number: 10155825Abstract: A solid catalyst component for olefin polymerization, and in particular for the preparation of LLDPE, comprising Mg, Ti, halogen and an electron donor compound (ID) belonging to cyclic ethers having 3-6 carbon atoms, characterized by having the molar ratio Mg/Ti higher than 5, the molar ratio Mg/ID lower than 3, and by a specific X-ray diffraction spectrum.Type: GrantFiled: August 10, 2011Date of Patent: December 18, 2018Assignee: Basell Poliolefine Italia S.r.l.Inventors: Joachim T. M. Pater, Dario Liguori, Gianni Vitale, Gianni Collina, Diego Brita, Tiziano Dall'Occo, Giampiero Morini
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Patent number: 10113015Abstract: The present disclosure relates to catalyst systems for the polymerization of olefins of the general formula CH2?CHR that show improved polymerization activity, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising (A) a solid catalyst component comprising Ti, Mg, and halogen, (B) an aluminum alkyl compound, and (C) a halogenated cyclic ether compound.Type: GrantFiled: December 15, 2014Date of Patent: October 30, 2018Assignee: Basell Poliolefine Italia S.r.l.Inventors: Tiziano Dall'Occo, Dario Liguori, Giampiero Morini, Gianni Vitale
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Patent number: 10113012Abstract: The present disclosure relates to a solid catalyst component for the (co)polymerization of olefins CH2?CHR, in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, comprising Ti, Mg, and Cl, and optionally an electron donor compound selected from the group consisting of ethers, amines, silanes, carbamates ketones, esters of aliphatic acids, alkyl and aryl esters of optionally substituted aromatic polycarboxylic acids, diol derivatives chosen among monoesters monocarbamates and monoesters monocarbonates or mixtures thereof, comprising from 0.1 to 50% wt of Bi with respect to the total weight of the solid catalyst component.Type: GrantFiled: March 10, 2015Date of Patent: October 30, 2018Assignee: Basell Poliolefine Italia S.r.l.Inventors: Simona Guidotti, Tiziano Dall'Occo, Dario Liguori, Giampiero Morini, Fabrizio Piemontesi, Gianni Vitale
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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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Publication number: 20180230253Abstract: 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: ApplicationFiled: July 14, 2016Publication date: August 16, 2018Applicant: 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
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Publication number: 20180215845Abstract: A gas-phase process for the homopolymerization or copolymerization of propylene with other olefins, including carrying out the polymerization in the presence of a catalyst system made from or containing: (a) a solid catalyst component made from or containing Mg, Ti, halogen, an electron donor selected from 1.3-diethers and an olefin polymer in a specific amount; (b) an aluminum alkyl compound and (c) an external electron donor (ED) compound, wherein components (b) and (c) being employed in amounts such that the Al/(ED) molar ratio ranges from about 2 to about 200.Type: ApplicationFiled: August 3, 2016Publication date: August 2, 2018Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: GIAMPIERO MORINI, MASSIMO COVEZZI, TIZIANO DALL'OCCO, DARIO LIGUORI, FABRIZIO PIEMONTESI, GIANNI VITALE
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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: 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: 20170002114Abstract: The present disclosure relates to catalyst systems for the polymerization of olefins of the general formula CH2?CHR that show improved polymerization activity, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising (A) a solid catalyst component comprising Ti, Mg, and halogen, (B) an aluminum alkyl compound, and (C) a halogenated cyclic ether compound.Type: ApplicationFiled: December 15, 2014Publication date: January 5, 2017Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: TIZIANO DALL'OCCO, DARIO LIGUORI, GIAMPIERO MORINI, GIANNI VITALE
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Patent number: 9266979Abstract: Catalyst components for the polymerization of olefins CH2?CHR wherein R is hydrogen or a hydrocarbon radical having 1-12 carbon atoms, comprising Mg, Ti, Cl and a compound (L) or its derivatives, selected from condensed cyclic structures which are formed by at least an aromatic ring and which are substituted with at least two hydroxy groups, said Cl and Ti atoms being in an amount such as to have a molar ratio ranging from 5 to 50.Type: GrantFiled: June 16, 2010Date of Patent: February 23, 2016Assignee: Basell Poliolefine Italia S.r.l.Inventors: Dario Liguori, Tiziano Dall'Occo, Giampiero Morini, Joachim Pater, Gianni Vitale